- Manufacture :
- Part Status :
- Operating Temperature :
- Features :
-
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (2)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (5)
- Alarm, Leap Year, Square Wave Output (1)
- Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer (12)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (7)
- Alarm, Leap Year, SRAM, Watchdog Timer (3)
- Alarm, Leap Year, Watchdog Timer (2)
- Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer (1)
- Leap Year, NVSRAM (2)
- Package / Case :
-
- 16-SOIC (0.154", 3.90mm Width) (2)
- 16-VFQFN Exposed Pad (4)
- 16-VQFN Exposed Pad (6)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (7)
- 20-SSOP (0.209", 5.30mm Width) (1)
- 28-SOIC (0.295", 7.50mm Width) (2)
- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets (2)
- 44-BSOP (0.337", 8.56mm Width) (1)
- 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT (1)
- 8-LCC (1)
- 8-SOIC (0.154", 3.90mm Width) (6)
- 8-WCDFN (1)
- Module (2)
- Interface :
- Supplier Device Package :
- Voltage - Supply, Battery :
- Current - Timekeeping (Max) :
- Applied Filters :
35 results
| Picture | Mfr Part # | QUANTITY | Inventory | MANUFACTURE | Description | Package | 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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GLOBAL STOCKS | |||||||||||||||||||||||
|
RFQ |
3,290
In-stock
|
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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|
RFQ |
1,247
In-stock
|
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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3,733
In-stock
|
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 | ||||
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|
3,812
In-stock
|
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 | ||||
|
|
1,866
In-stock
|
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 | ||||
|
|
902
In-stock
|
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 | 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 | ||||
|
3,487
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -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 | ||||
|
2,787
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOIC | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 2.7 V ~ 5.5 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 3.5 V | 100µA @ 2.7V ~ 5.5V | ||||
|
1,038
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | I²C, 2-Wire Serial | 16-QFN (4x4) | 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 | ||||
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1,730
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 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 | ||||
|
3,356
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 20-SSOP | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 20-SSOP (0.209", 5.30mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 20-SSOP | 2.7 V ~ 3.6 V | 128B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.6 V | 0.5mA @ 2.7V ~ 3.6V | ||||
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2,810
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Cut Tape (CT) | -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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1,264
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 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 | ||||
|
RFQ |
1,179
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC | - | Obsolete | Cut Tape (CT) | -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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3,737
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Cut Tape (CT) | -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 | 128B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2.5 V ~ 3.6 V | 0.5mA @ 2.7V ~ 3.6V | ||||
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1,518
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Cut Tape (CT) | -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 | ||||
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3,819
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Active | Cut Tape (CT) | -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 | ||||
|
3,032
In-stock
|
Abracon LLC | IC RTC CLK/CALENDAR I2C 8-CLCC | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Watchdog Timer | 8-WCDFN | Clock/Calendar | I²C, 2-Wire Serial | 8-CLCC (3.2x1.5) | 1 V ~ 4.4 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | - | 0.4µA ~ 0.95µA @ 1V ~ 4.4V | ||||
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3,450
In-stock
|
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 | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||||
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2,110
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8LCC | Timekeeper® | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 8-LCC | Clock/Calendar | I²C, 2-Wire Serial | 8-LCC (1.5x3.2) | 1.3 V ~ 4.4 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | ||||
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2,720
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-SOIC | - | Active | Cut Tape (CT) | -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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1,883
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | I²C, 2-Wire Serial | 16-QFN (4x4) | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||||
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3,424
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 16-VQFN Exposed Pad | Clock/Calendar | SPI | 16-QFN (4x4) | 2.38 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.8 V ~ 5.5 V | 10µA @ 5.5V | ||||
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2,496
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -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 | 2.7 V ~ 5.5 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 3.5 V | 100µA @ 2.7V ~ 5.5V | ||||
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2,044
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, SRAM, Watchdog Timer | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 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 | ||||
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1,868
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, SRAM, Watchdog Timer | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 3 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||||
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2,088
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, SRAM, Watchdog Timer | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 2.7 V ~ 5.5 V | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 2 V ~ 5.5 V | 10µA @ 5.5V | ||||
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1,567
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Cut Tape (CT) | -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 | ||||
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1,292
In-stock
|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | Timekeeper® | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 16-VFQFN Exposed Pad | Clock/Calendar | I²C, 2-Wire Serial | 16-QFN (3x3) | 1.3 V ~ 4.4 V | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | ||||
|
3,843
In-stock
|
Abracon LLC | IC RTC CLK/CALEND I2C 10CLCC ULP | - | Active | Cut Tape (CT) | -40°C ~ 85°C | Surface Mount | Alarm, Square Wave Output, SRAM, Trickle Charge, Watchdog Timer | Module | Clock/Calendar | I²C, 2-Wire Serial | Module | 1.5 V ~ 3.6 V | 512B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | 1.4 V ~ 3.6 V | 0.29µA ~ 0.33µA @ 1.8V ~ 3V | ||||
