- Part Status :
- Operating Temperature :
- Mounting Type :
- Features :
-
- Alarm, Leap Year (2)
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (8)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (27)
- Alarm, Leap Year, Square Wave Output (4)
- Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer (42)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (25)
- Alarm, Leap Year, SRAM, Watchdog Timer (12)
- Alarm, Leap Year, Supervisor, Watchdog Timer (1)
- Alarm, Leap Year, Watchdog Timer (6)
- Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer (3)
- Alarm, Supervisor, Watchdog Timer (3)
- Leap Year, NVSRAM (6)
- Package / Case :
-
- 16-SOIC (0.154", 3.90mm Width) (9)
- 16-VFQFN Exposed Pad (12)
- 16-VQFN Exposed Pad (18)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (28)
- 20-SSOP (0.209", 5.30mm Width) (3)
- 28-DIP Module (0.61", 15.49mm) (1)
- 28-SOIC (0.295", 7.50mm Width) (13)
- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets (10)
- 32-DIP Module (0.61", 15.49mm) (2)
- 36-DIP Module (0.610", 15.49mm) (1)
- 44-BSOP (0.337", 8.56mm Width) (3)
- 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT (3)
- 8-LCC (3)
- 8-SOIC (0.154", 3.90mm Width) (27)
- 8-WCDFN (3)
- Module (6)
- Interface :
- Voltage - Supply, Battery :
- Current - Timekeeping (Max) :
-
- 0.29µA ~ 0.33µA @ 1.8V ~ 3V (3)
- 0.4µA ~ 0.95µA @ 1V ~ 4.4V (3)
- 0.5mA @ 2.7V ~ 3.6V (20)
- 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V (12)
- 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V (3)
- 1.4mA @ 2.7V ~ 3.6V (2)
- 1.4mA @ 2.7V ~ 5.5V (8)
- 100µA @ 2.7V ~ 5.5V (8)
- 100µA @ 2V ~ 5.5V (5)
- 10µA @ 5.5V (54)
- 1mA @ 4.5V ~ 5.5V (6)
- 2.4µA ~ 31µA @ 2V ~ 5.5V (4)
- 2.5mA @ 4.5V ~ 5.5V (6)
- 4mA @ 4.5 V ~ 5.5 V (2)
- 4µA ~ 6µA @ 3V ~ 5V (2)
- 6mA @ 2.2 V ~ 5.8 V (1)
- Applied Filters :
139 products
| IMAGE | PART NO. | PRICE (reference only) | 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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GET PRICE |
3,111
Ships today + free overnight shipping
|
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 | ||
|
|
GET PRICE |
3,290
Ships today + free overnight shipping
|
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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|
|
GET PRICE |
846
Ships today + free overnight shipping
|
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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|
|
GET PRICE |
1,247
Ships today + free overnight shipping
|
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 | ||
|
|
|
GET PRICE |
2,729
Ships today + free overnight shipping
|
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 | ||
|
|
|
GET PRICE |
3,545
Ships today + free overnight shipping
|
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 | ||
|
|
GET PRICE |
735
Ships today + free overnight shipping
|
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 | ||
|
|
GET PRICE |
660
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 2 V ~ 5.5 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA @ 2V ~ 5.5V | ||
|
|
|
GET PRICE |
1,789
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Discontinued at Digi-Key | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 2 V ~ 5.5 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA @ 2V ~ 5.5V | ||
|
|
|
GET PRICE |
3,695
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 2 V ~ 5.5 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | - | 2.4µA ~ 31µA @ 2V ~ 5.5V | ||
|
|
|
GET PRICE |
774
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOP | Timekeeper® | Obsolete | Tube | -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 | ||
|
|
|
GET PRICE |
2,031
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 44-SOH | Timekeeper® | Obsolete | Tube | -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 | ||
|
|
GET PRICE |
811
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Obsolete | Tube | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 28-SOIC (0.295", 7.50mm Width) | Clock/Calendar | SPI | 28-SOX | 2.7 V ~ 3.6 V | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 1.4mA @ 2.7V ~ 3.6V | ||
|
|
|
GET PRICE |
978
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-SOIC (0.295", 7.50mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 28-SOX | 4.5 V ~ 5.5 V | 128B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 5.5 V | 1mA @ 4.5V ~ 5.5V | ||
|
|
|
GET PRICE |
1,160
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-SOIC (0.295", 7.50mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 28-SOX | 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 | ||
|
|
|
GET PRICE |
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 | ||
|
|
|
GET PRICE |
2,893
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-SOIC (0.295", 7.50mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 28-SOX | 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 | ||
|
|
|
GET PRICE |
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 | ||
|
|
|
GET PRICE |
845
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC | - | Obsolete | Tube | -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 | 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 | ||
|
|
|
GET PRICE |
3,980
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC | - | Obsolete | Tube | -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 | ||
|
|
GET PRICE |
3,425
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||
|
|
|
3,733
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
1,489
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
GET PRICE |
2,884
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 2.38 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||
|
|
|
3,812
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 2.38 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
1,649
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 2.38 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
GET PRICE |
2,062
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||
|
|
|
1,866
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
1,529
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | - | Active | Tape & Reel (TR) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | |||
|
|
|
GET PRICE |
3,979
Ships today + free overnight shipping
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | SPI | 18-SOX | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V |
