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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
1552823 PT7C4337ACSE Pericom - Tube Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 16-SOIC (0.295", 7.50mm Width) 16-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1552856 PT7C4337WEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Discontinued
1552859 PT7C4302WEX Pericom - Tape & Reel (TR) Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 3-Wire Serial 1.2 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5 V ~ 5.5 V 25.3µA ~ 81µA @ 2V ~ 5V Active
1553136 PT7C4337AWE Pericom - Tube Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1553168 PT7C4307WEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output 56B I²C, 2-Wire Serial 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2 V ~ 3.5 V 1.5mA @ 4.5V ~ 5.5V Active
1553174 PT7C4311WEX Pericom - Tape & Reel (TR) Clock/Calendar Leap Year, Square Wave Output, Y2K 56B I²C, 2-Wire Serial 1.2 V ~ 5.5 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 2 V ~ 5.5 V 70µA @ 1.5V ~ 5.5V Active
1553241 PT7C433833UE Pericom - Tube Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B I²C, 2-Wire Serial 2.7 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5 V ~ 3.7 V 125µA @ 2.7V ~ 5.5V Active
1553635 PT7C43390AWEX Pericom * - - - - - - - - - - - - - - Active
1553640 PT7C4563UEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.7 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP HH:MM:SS (24 hr) YY-MM-DD-dd - 0.65µA ~ 0.7µA @ 3V ~ 5V Active
1553641 PT7C4337AWEX Pericom * - - - - - - - - - - - - - - Active
1553642 PT7C4563LEX Pericom * - - - - - - - - - - - - - - Active
1553648 PT7C4337UEX Pericom - - Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1553649 PT7C4337ZEEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-WFDFN Exposed Pad 8-TDFN (2x3) HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1553650 PT7C43390LEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.3 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.65µA ~ 0.7µA @ 3V ~ 5V Active
1553651 PT7C4372ALEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year - I²C, 2-Wire Serial 1.8 V ~ 6 V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 3V Active
1553652 PT7C43190LEX Pericom * - - - - - - - - - - - - - - Last Time Buy
1553653 PT7C43190WEX Pericom * - - - - - - - - - - - - - - Active
1553654 PT7C4372AWEX Pericom * - - - - - - - - - - - - - - Active
1553655 PT7C43190AWEX Pericom * - - - - - - - - - - - - - - Active
1553656 PT7C4337LEX Pericom * - - - - - - - - - - - - - - Last Time Buy
1553657 PT7C4363WEX Pericom * - - - - - - - - - - - - - - Active
1553658 PT7C4311AWEX Pericom * - - - - - - - - - - - - - - Active
1553664 PT7C4563WEX Pericom * - - - - - - - - - - - - - - Active
1553665 PT7C4339WEX Pericom * - - - - - - - - - - - - - - Active
1553666 PT7C4339UEX Pericom * - - - - - - - - - - - - - - Active
1553667 PT7C433833UEX Pericom - - Clock/Calendar Leap Year, NVSRAM, Square Wave Output 56B I²C, 2-Wire Serial 2.7 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5 V ~ 3.7 V 125µA @ 2.7V ~ 5.5V Active
1553668 PT7C433833WEX Pericom * - - - - - - - - - - - - - - Active
1553672 PT7C4337UE Pericom - Tube Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-MSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1553673 PT7C4337WE Pericom - Tube Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.8 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 1.3V ~ 1.8V Active
1553674 PT7C43390LE Pericom - Tube Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.3 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) 8-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.65µA ~ 0.7µA @ 3V ~ 5V Active
1553675 PT7C4372ALE Pericom - Tube Clock/Calendar Alarm, Leap Year - I²C, 2-Wire Serial 1.8 V ~ 6 V -40°C ~ 85°C Surface Mount 8-TSSOP (0.173", 4.40mm Width) 8-TSSOP HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.8µA @ 3V Active
1553676 PT7C43390WE Pericom * - - - - - - - - - - - - - - Active
1553677 PT7C4372AWE Pericom * - - - - - - - - - - - - - - Active
1553678 PT7C4337LE Pericom * - - - - - - - - - - - - - - Last Time Buy
1553679 PT7C43190LE Pericom * - - - - - - - - - - - - - - Last Time Buy
1553680 PT7C43190WE Pericom * - - - - - - - - - - - - - - Active
1553681 PT7C4363WE Pericom * - - - - - - - - - - - - - - Active
1553684 PT7C4311WE Pericom - Tube Clock/Calendar Leap Year, Square Wave Output, Y2K 56B I²C, 2-Wire Serial 1.2 V ~ 5.5 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 2 V ~ 5.5 V 70µA @ 1.5V ~ 5.5V Active
1553685 PT7C4563UE Pericom * - - - - - - - - - - - - - - Active
1553686 PT7C4563WE Pericom * - - - - - - - - - - - - - - Active
1553687 PT7C4311AWE Pericom * - - - - - - - - - - - - - - Active
1553688 PT7C4563LE Pericom * - - - - - - - - - - - - - - Active
1553703 PT7C4302WE Pericom - Tube Clock/Calendar Leap Year, NVSRAM, Square Wave Output, Trickle-Charger 31B 3-Wire Serial 1.2 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 1.5 V ~ 5.5 V 25.3µA ~ 81µA @ 2V ~ 5V Active
1553704 PT7C4307WE Pericom - Tube Clock/Calendar Alarm, Leap Year, NVSRAM, Square Wave Output 56B I²C, 2-Wire Serial 4.5 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd 2 V ~ 3.5 V 1.5mA @ 4.5V ~ 5.5V Active
1553705 PT7C433833WE Pericom * - - - - - - - - - - - - - - Active
1553720 PT7C4311ZEEX Pericom * - - - - - - - - - - - - - - Active
1553868 PT7C4337ACSEX Pericom * - - - - - - - - - - - - - - Active
1554564 PT7C43390WEX Pericom - Tape & Reel (TR) Clock/Calendar Alarm, Leap Year, Square Wave Output - I²C, 2-Wire Serial 1.3 V ~ 5.5 V -40°C ~ 85°C Surface Mount 8-SOIC (0.154", 3.90mm Width) 8-SOIC HH:MM:SS (12/24 hr) YY-MM-DD-dd - 0.65µA ~ 0.7µA @ 3V ~ 5V Active

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