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Manufacturer Part Number Manufacturer Series Packaging Type Features Memory Size Interface Voltage Supply Operating Temperature Mounting Type Package Case Supplier Device Package Time Format Date Format Voltage Supply Battery Current Timekeeping Max Lifecycle
Lifecycle
1552496 BQ4802YDSH Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets 28-SOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Obsolete
1552497 BQ4802LYDSH Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets 28-SOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Obsolete
1552812 BQ4802LYPWR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553039 BQ3285S-SB2 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Not For New Designs
1553040 BQ3285ES Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Not For New Designs
1553041 BQ4802LYDW Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553045 BQ4802YPW Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Active
1553046 BQ4802YDWR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Not For New Designs
1553049 BQ4845S-A4N Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553050 BQ4845YS-A4N Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553087 DP8573AV/NOPB Texas Instruments - Tube Clock/Calendar Alarm, Leap Year - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Active
1553107 DP8570AV/NOPB Texas Instruments - Tube Timer Clock Peripheral (TCP) Alarm, Leap Year 44B Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Active
1553137 BQ32000D Texas Instruments - Tube Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger - I²C, 2-Wire Serial 3 V ~ 3.6 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (24 hr) YY-MM-DD-dd 1.4 V ~ 3.6 V 100µA @ 3.3V Active
1553179 BQ32002DR Texas Instruments - Tape & Reel (TR) Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger - I²C, 2-Wire Serial 3 V ~ 3.6 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (24 hr) YY-MM-DD-dd 1.4 V ~ 3.6 V 65µA @ 3.3V Active
1553198 BQ3285ESS Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Last Time Buy
1553199 BQ4845P-A4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP (0.600", 15.24mm) 28-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553202 BQ4285S-SB2 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Last Time Buy
1553237 DP8570AV Texas Instruments - Tube Timer Clock Peripheral (TCP) Alarm, Leap Year 44B Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Last Time Buy
1553372 BQ3285S-SB2TR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Obsolete
1553373 BQ4802YPWR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Obsolete
1553374 BQ4802YPWRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Obsolete
1553375 BQ4845YP-A4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP (0.600", 15.24mm) 28-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Obsolete
1553400 BQ3285S-SB2TRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Obsolete
1553401 BQ4845YP-A4E3 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP (0.600", 15.24mm) 28-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Obsolete
1553402 BQ4850YMA-85N Texas Instruments - Tube Clock/Calendar Alarm - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Through Hole 32-DIP Module (0.61", 15.49mm) 32-DIP Module (18.42x52.96) HH:MM:SS (24 hr) YY-MM-DD-dd - 1mA @ 4.5V ~ 5.5V Obsolete
1553758 BQ32002D Texas Instruments * Tube - - - - - - Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC - - - - Active
1553891 BQ4802LYDWR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553892 BQ4802LYDWRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553905 BQ3285ESSTR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Last Time Buy
1553906 BQ3285ESSTRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Last Time Buy
1553907 BQ3285ESTR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Last Time Buy
1553908 BQ3285LDSSTR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553909 BQ3285LDSSTRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553910 BQ3285LFSS-A1TR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553911 BQ3285LFSS-A1TRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553934 BQ4845S-A4TR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Not For New Designs
1553935 BQ4845YS-A4TR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553937 BQ4845S-A4NTR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553938 BQ4845S-A4NTRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553939 BQ4845YS-A4NTR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553944 BQ4285S-SB2TR Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Last Time Buy
1553951 BQ4802YDWRG4 Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Not For New Designs
1553957 BQ3285EP Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Last Time Buy
1553958 BQ3285P-SB2 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Last Time Buy
1553959 BQ3285P-SB2E3 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Last Time Buy
1553961 BQ3285LDSSG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Active
1553965 BQ3285LDSS Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, NVSRAM 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553966 BQ3285LFSS-A1 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553967 BQ3285LFSS-A1G4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 2.7 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SSOP (0.154", 3.90mm Width) 24-SSOP/QSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 100µA @ 3V Last Time Buy
1553969 BQ4802LYDWG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553970 BQ4802LYPWG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active
1553988 BQ4802YPWG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Active
1553989 BQ4845S-A4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553990 BQ4845YS-A4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553995 BQ4845S-A4G4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553996 BQ4845YS-A4G4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1553997 BQ4802YDW Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Active
1553998 BQ4802YDWG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Active
1553999 BQ4845S-A4NG4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-SOIC (0.295", 7.50mm Width) 28-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V 1.5mA (Typ) @ 4.5 V ~ 5.5 V Last Time Buy
1554000 BQ4285S-SB2G4 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Surface Mount 24-SOIC (0.295", 7.50mm Width) 24-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Last Time Buy
1554017 DP8573AVX/NOPB Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Active
1554019 DP8573AVX Texas Instruments - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Last Time Buy
1554024 DP8570AVX/NOPB Texas Instruments - Tape & Reel (TR) Timer Clock Peripheral (TCP) Alarm, Leap Year 44B Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Active
1554026 DP8573AV Texas Instruments - Tube Clock/Calendar Alarm, Leap Year - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Last Time Buy
1554027 DP8570AVX Texas Instruments - Tape & Reel (TR) Timer Clock Peripheral (TCP) Alarm, Leap Year 44B Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 28-LCC (J-Lead) 28-PLCC (11.51x11.51) HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Last Time Buy
1554057 DP8573AN Texas Instruments - Tube Clock/Calendar Alarm, Leap Year - Parallel 4.5 V ~ 5.5 V -40°C ~ 85°C Through Hole 24-DIP (0.300", 7.62mm) 24-DIP HH:MM:SS:hh (12/24 hr) YY-MM-DD-dd 2.2 V ~ 5.1 V 1µA @ 5V Obsolete
1554066 BQ3287EAMT Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP Module (0.61", 15.49mm) 24-DIP Module (18.42x18.72) HH:MM:SS (12/24 hr) YY-MM-DD-dd - - Obsolete
1554067 BQ3287EMT Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 242B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP Module (0.61", 15.49mm) 24-DIP Module (18.42x18.72) HH:MM:SS (12/24 hr) YY-MM-DD-dd - - Obsolete
1554068 BQ4285EP Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V 300µA @ 5V Obsolete
1554069 BQ4285P-SB2 Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output 114B Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 24-DIP (0.600", 15.24mm) 24-PDIP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.5 V ~ 4 V - Obsolete
1554070 BQ4822YMA-70 Texas Instruments - Tray Clock/Calendar Alarm, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP Module (0.61", 15.49mm) 28-DIP Module (18.42x37.72) HH:MM:SS:hh (24 hr) YY-MM-DD-dd - 6mA @ 2.2 V ~ 5.8 V Obsolete
1554071 BQ4832YMA-85 Texas Instruments - Tray Clock/Calendar Alarm, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 32-DIP Module (0.61", 15.49mm) 32-DIP Module (18.42x42.8) HH:MM:SS:hh (24 hr) YY-MM-DD-dd - 4mA @ 4.5 V ~ 5.5 V Obsolete
1554072 BQ4842YMA-85 Texas Instruments - Tray Clock/Calendar Alarm, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 32-DIP Module (0.61", 15.49mm) 32-DIP Module (18.42x42.8) HH:MM:SS:hh (24 hr) YY-MM-DD-dd - 4mA @ 4.5 V ~ 5.5 V Obsolete
1554073 BQ4847MT Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.75 V ~ 5.25 V 0°C ~ 70°C Through Hole 28-DIP Module (0.61", 15.49mm) 28-DIP Module (18.42x38.8) HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V - Obsolete
1554074 BQ4847YMT Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 28-DIP Module (0.61", 15.49mm) 28-DIP Module (18.42x38.8) HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.3 V ~ 4 V - Obsolete
1554075 BQ4850YMA-85 Texas Instruments - Tray Clock/Calendar Alarm - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 32-DIP Module (0.61", 15.49mm) 32-DIP Module (18.42x42.8) HH:MM:SS (24 hr) YY-MM-DD-dd - 1mA @ 4.5V ~ 5.5V Obsolete
1554076 BQ4852YMC-85 Texas Instruments - Tray Clock/Calendar Alarm, Supervisor, Watchdog Timer - Parallel 4.5 V ~ 5.5 V 0°C ~ 70°C Through Hole 36-DIP Module (0.610", 15.49mm) 36-DIP Module (18.42x52.96) HH:MM:SS:hh (24 hr) YY-MM-DD-dd - 1mA @ 4.5V ~ 5.5V Obsolete
1554173 BQ32000DR Texas Instruments - Tape & Reel (TR) Clock/Calendar Leap Year, Square Wave Output, Trickle-Charger - I²C, 2-Wire Serial 3 V ~ 3.6 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (24 hr) YY-MM-DD-dd 1.4 V ~ 3.6 V 100µA @ 3.3V Active
1554616 BQ4802LYPW Texas Instruments - Tube Clock/Calendar Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer - Parallel 2.7 V ~ 3.6 V 0°C ~ 70°C Surface Mount 28-TSSOP (0.173", 4.40mm Width) 28-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 2.4 V ~ 4 V 1.5mA (Typ) @ 2.7 V ~ 3.6 V Active

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