- Series :
- Part Status :
- Operating Temperature :
- Features :
-
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (4)
- Alarm, Leap Year, NVSRAM, Square Wave Output (3)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (6)
- Alarm, Leap Year, Watchdog Timer (4)
- Leap Year (14)
- Leap Year, NVSRAM (7)
- Leap Year, Supervisor (3)
- Leap Year, Watchdog Timer (2)
- Interface :
- Voltage - Supply :
- Voltage - Supply, Battery :
43 products
| IMAGE | PART NO. | PRICE | QUANTITY | STOCK | MANUFACTURE | DESCRIPTION | Series | Part Status | Packaging | Operating Temperature | Mounting Type | Features | Package / Case | Type | Interface | Supplier Device Package | Voltage - Supply | Memory Size | Time Format | Date Format | Voltage - Supply, Battery | Current - Timekeeping (Max) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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1,667
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 4.5 V ~ 5.5 V | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA (Typ) @ 4.5V ~ 5.5V | |||
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3,935
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 4.5 V ~ 5.5 V | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA (Typ) @ 4.5V ~ 5.5V | |||
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3,536
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28-SOIC | - | Obsolete | Cut Tape (CT) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 15mA @ 4.5V ~ 5.5V | |||
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2,115
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28-SOIC | - | Obsolete | Tape & Reel (TR) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 15mA @ 4.5V ~ 5.5V | |||
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3,280
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Cut Tape (CT) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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1,162
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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3,954
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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1,520
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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3,283
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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2,498
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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758
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28-SOIC | - | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | - | 15mA @ 4.5V ~ 5.5V | |||
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3,619
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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1,617
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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666
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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1,939
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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2,810
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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2,704
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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2,676
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Leap Year, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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735
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | SPI | 28-SOH | 2.7 V ~ 5.5 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1.4mA @ 2.7V ~ 5.5V | |||
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829
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 4.5 V ~ 5.5 V | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA (Typ) @ 4.5V ~ 5.5V | |||
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3,974
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC PHANTOM SER 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Leap Year, Supervisor | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Phantom Time Chip | Serial | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.7 V | 2mA @ 2.7V ~ 3.6V | |||
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2,928
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 2 V ~ 5.5 V | 56B | HH:MM:SS | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 70µA @ 2V ~ 5.5V | |||
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1,408
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 4.5 V ~ 5.5 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1mA @ 4.5V ~ 5.5V | |||
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1,886
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | I²C, 2-Wire Serial | 28-SOH | 2.7 V ~ 3.6 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 0.5mA @ 2.7V ~ 3.6V | |||
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3,667
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Active | Digi-Reel® | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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926
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Active | Cut Tape (CT) | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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682
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Active | Tape & Reel (TR) | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 4.75V ~ 5.5V | |||
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1,000
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC PHANTOM SER 28-SOIC | - | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Leap Year, Supervisor | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Phantom Time Chip | Serial | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.7 V | 2mA @ 2.7V ~ 3.6V | |||
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3,805
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC PHANTOM SER 28-SOIC | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Leap Year, Supervisor | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Phantom Time Chip | Serial | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.7 V | 2mA @ 2.7V ~ 3.6V | |||
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3,479
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Active | Digi-Reel® | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Clock/Calendar | Parallel | 28-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V |
