- Series :
- Part Status :
- Operating Temperature :
- Mounting Type :
- Features :
-
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (8)
- Alarm, Leap Year, NVSRAM, Square Wave Output (4)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (27)
- Alarm, Leap Year, Square Wave Output (5)
- Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer (42)
- Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K (7)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (25)
- Alarm, Leap Year, SRAM, Watchdog Timer (12)
- Alarm, Leap Year, Watchdog Timer (24)
- Alarm, Leap Year, Watchdog Timer, Y2K (3)
- Audio, Leap Year, Trickle-Charger (3)
- EEPROM, Leap Year (4)
- EEPROM, Leap Year, NVSRAM (4)
- Leap Year (48)
- Leap Year, NVSRAM (21)
- Leap Year, Supervisor (3)
- Leap Year, Watchdog Timer (6)
- Package / Case :
-
- 16-SOIC (0.154", 3.90mm Width) (9)
- 16-VFDFN Exposed Pad (3)
- 16-VFQFN Exposed Pad (16)
- 16-VQFN Exposed Pad (18)
- 168-PBGA Module (1)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (36)
- 20-SSOP (0.209", 5.30mm Width) (3)
- 24-DIP (0.600", 15.24mm) (1)
- 24-DIP Module (0.600", 15.24mm) (7)
- 28-DIP Module (0.600", 15.24mm) (10)
- 28-SOIC (0.295", 7.50mm Width) (13)
- 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets (4)
- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets (43)
- 32-DIP Module (0.600", 15.24mm) (7)
- 44-BSOP (0.337", 8.56mm Width) (3)
- 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT (27)
- 8-LCC (3)
- 8-SOIC (0.154", 3.90mm Width) (46)
- 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) (2)
- Interface :
- Current - Timekeeping (Max) :
-
- 0.5mA @ 2.7V ~ 3.6V (20)
- 0.7µA @ 1.7V ~ 3.6V (1)
- 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V (12)
- 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V (3)
- 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V (3)
- 1.2µA ~ 31µA @ 3V ~ 5.5V (6)
- 1.4mA @ 2.7V ~ 3.6V (2)
- 1.4mA @ 2.7V ~ 5.5V (8)
- 100µA (Typ) @ 2.7V ~ 5.5V (4)
- 100µA (Typ) @ 4.5V ~ 5.5V (11)
- 100µA @ 2.7V ~ 5.5V (8)
- 100µA @ 2V ~ 5.5V (5)
- 10µA @ 5.5V (54)
- 14.3mA @ 3V ~ 3.6V (3)
- 15mA @ 4.5V ~ 5.5V (4)
- 1mA @ 4.5V ~ 5.5V (5)
- 2.4µA ~ 31µA @ 2V ~ 5.5V (4)
- 2.5mA @ 4.5V ~ 5.5V (6)
- 2mA @ 2.7V ~ 3.6V (3)
- 2mA @ 3V ~ 3.6V (21)
- 2mA @ 4.75V ~ 5.5V (9)
- 3mA @ 3V ~ 3.6V (3)
- 3mA @ 4.5V ~ 5.5V (28)
- 3mA @ 4.75V ~ 5.5V (1)
- 3mA @ 4.7V ~ 5.5V (5)
- 4mA @ 4.5V ~ 5.5V (3)
- 5mA @ 4.5V ~ 5.5V (2)
- 70µA @ 2.7V ~ 5.5V (5)
- 70µA @ 2V ~ 5.5V (13)
- Applied Filters :
252 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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3,111
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC | - | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 16-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 16-SO | 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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3,290
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOP | Timekeeper® | Obsolete | Cut Tape (CT) | -25°C ~ 70°C | Surface Mount | Leap Year, NVSRAM | 44-BSOP (0.337", 8.56mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 44-SOH | 4.5 V ~ 5.5 V | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 2.5mA @ 4.5V ~ 5.5V | |||
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846
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOP | Timekeeper® | Obsolete | Tape & Reel (TR) | -25°C ~ 70°C | Surface Mount | Leap Year, NVSRAM | 44-BSOP (0.337", 8.56mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 44-SOH | 4.5 V ~ 5.5 V | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 2.5mA @ 4.5V ~ 5.5V | |||
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1,247
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOH | Timekeeper® | Obsolete | Cut Tape (CT) | -25°C ~ 70°C | Surface Mount | Leap Year, NVSRAM | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | I²C, 2-Wire Serial | 44-SOH | 4.5 V ~ 5.5 V | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 2.5mA @ 4.5V ~ 5.5V | |||
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2,729
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | -25°C ~ 70°C | Surface Mount | Leap Year, NVSRAM | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | I²C, 2-Wire Serial | 44-SOH | 4.5 V ~ 5.5 V | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 2.5mA @ 4.5V ~ 5.5V | |||
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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
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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
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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
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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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1,777
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-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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3,508
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-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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2,787
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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1,010
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 2mA @ 3V ~ 3.6V | |||
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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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1,736
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Cut Tape (CT) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Watchdog Timer, Y2K | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3V | 2mA @ 3V ~ 3.6V | |||
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1,861
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Obsolete | Tape & Reel (TR) | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Watchdog Timer, Y2K | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Clock/Calendar | Parallel | 44-SOH | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3V | 2mA @ 3V ~ 3.6V | |||
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1,269
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 16QFN | Timekeeper® | Obsolete | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output | 16-VFQFN Exposed Pad | Clock/Calendar | I²C, 2-Wire Serial | 16-QFN (3x3) | 1.7 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 0.7µA @ 1.7V ~ 3.6V | |||
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3,545
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 16-SOIC (0.154", 3.90mm Width) | Clock/Calendar | SPI | 16-SO | 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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2,662
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 24-DIP | - | Obsolete | Tube | 0°C ~ 70°C | Through Hole | Alarm, Leap Year, NVSRAM, Square Wave Output | 24-DIP Module (0.600", 15.24mm) | Clock/Calendar | Parallel | 24-PCDIP, CAPHAT® | 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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758
Ships today + free overnight shipping
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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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2,443
Ships today + free overnight shipping
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 28DIP | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Through Hole | Alarm, Leap Year, Watchdog Timer | 28-DIP Module (0.600", 15.24mm) | Clock/Calendar | Parallel | 28-PCDIP, CAPHAT® | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 3mA @ 4.5V ~ 5.5V | |||
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3,619
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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3,555
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Surface Mount | Leap Year | 28-SOIC (0.337", 8.56mm 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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2,920
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 32-DIP | Timekeeper® | Obsolete | Tube | 0°C ~ 70°C | Through Hole | Leap Year | 32-DIP Module (0.600", 15.24mm) | Clock/Calendar | Parallel | 32-PMDIP Module | 4.5 V ~ 5.5 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | - | 4mA @ 4.5V ~ 5.5V |
