- 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, Supervisor, Watchdog Timer, Y2K (1)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (7)
- Alarm, Leap Year, SRAM, Watchdog Timer (3)
- Alarm, Leap Year, Watchdog Timer (3)
- Audio, Leap Year, Trickle-Charger (1)
- EEPROM, Leap Year (1)
- EEPROM, Leap Year, NVSRAM (1)
- Leap Year (6)
- Leap Year, NVSRAM (3)
- Package / Case :
-
- 16-SOIC (0.154", 3.90mm Width) (2)
- 16-VFDFN Exposed Pad (1)
- 16-VFQFN Exposed Pad (5)
- 16-VQFN Exposed Pad (6)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (9)
- 20-SSOP (0.209", 5.30mm Width) (1)
- 28-SOIC (0.295", 7.50mm Width) (2)
- 28-SOIC (0.337", 8.56mm Width) with SNAPHAT Sockets (1)
- 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets (5)
- 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT (3)
- 8-LCC (1)
- 8-SOIC (0.154", 3.90mm Width) (11)
- Interface :
- Supplier Device Package :
- Time Format :
- Voltage - Supply, Battery :
- Current - Timekeeping (Max) :
-
- 0.5mA @ 2.7V ~ 3.6V (5)
- 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V (4)
- 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V (1)
- 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V (1)
- 1.2µA ~ 31µA @ 3V ~ 5.5V (1)
- 1.4mA @ 2.7V ~ 5.5V (2)
- 100µA (Typ) @ 2.7V ~ 5.5V (1)
- 100µA (Typ) @ 4.5V ~ 5.5V (2)
- 100µA @ 2.7V ~ 5.5V (2)
- 100µA @ 2V ~ 5.5V (1)
- 10µA @ 5.5V (15)
- 14.3mA @ 3V ~ 3.6V (1)
- 2.4µA ~ 31µA @ 2V ~ 5.5V (1)
- 2mA @ 3V ~ 3.6V (2)
- 2mA @ 4.75V ~ 5.5V (1)
- 3mA @ 4.5V ~ 5.5V (3)
- 70µA @ 2.7V ~ 5.5V (1)
- 70µA @ 2V ~ 5.5V (3)
47 products
| IMAGE | PART NO. | PRICE (reference only) | QUANTITY | STOCK | Mfr. | 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) | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|
GET PRICE |
73,340
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|
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 | ||
|
|
GET PRICE |
68,500
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|
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 | ||
|
|
|
GET PRICE |
57,680
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|
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 | ||
|
|
|
GET PRICE |
41,240
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|
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 | ||
|
|
|
GET PRICE |
79,580
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|
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 | ||
|
|
GET PRICE |
70,240
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 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 | ||
|
|
|
GET PRICE |
47,300
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Digi-Reel® | -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 |
69,660
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOIC | - | Active | Digi-Reel® | -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 | ||
|
|
GET PRICE |
67,920
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | - | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
65,500
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|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Digi-Reel® | -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 | ||
|
|
GET PRICE |
35,400
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|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Active | Digi-Reel® | 0°C ~ 70°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 | ||
|
|
|
GET PRICE |
69,580
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|
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 | ||
|
|
|
GET PRICE |
75,240
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|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Active | Digi-Reel® | 0°C ~ 70°C | Surface Mount | Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K | 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 | 3V | 3mA @ 4.5V ~ 5.5V | ||
|
|
|
GET PRICE |
31,580
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|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 28-SOH | Timekeeper® | Active | Digi-Reel® | 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 | ||
|
|
GET PRICE |
78,460
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 20-SSOP | - | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
50,760
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
69,360
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOIC | - | Obsolete | Digi-Reel® | -40°C ~ 85°C | Surface Mount | EEPROM, Leap Year | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 2.7 V ~ 5.5 V | 8KB | HH:MM:SS | YY-MM-DD-dd | 2.5 V ~ 35 V | 100µA (Typ) @ 2.7V ~ 5.5V | ||
|
|
|
GET PRICE |
28,860
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|
STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Timekeeper® | Discontinued at Digi-Key | Digi-Reel® | 0°C ~ 70°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 | ||
|
|
|
GET PRICE |
72,360
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Digi-Reel® | -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 |
73,960
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|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | - | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
67,100
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOIC | - | Obsolete | Digi-Reel® | -40°C ~ 85°C | Surface Mount | EEPROM, Leap Year, NVSRAM | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 18-SOX | 4.5 V ~ 5.5 V | 56B, 8KB | HH:MM:SS | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 100µA (Typ) @ 4.5V ~ 5.5V | ||
|
|
GET PRICE |
22,300
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC | - | Obsolete | Digi-Reel® | -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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|
|
GET PRICE |
37,460
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-DFN | - | Discontinued at Digi-Key | Digi-Reel® | 0°C ~ 70°C | Surface Mount | Audio, Leap Year, Trickle-Charger | 16-VFDFN Exposed Pad | Clock/Calendar | I²C, 2-Wire Serial | 16-DFN (5x4) | 3 V ~ 3.6 V | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 1.7 V ~ 3.6 V | 14.3mA @ 3V ~ 3.6V | ||
|
|
GET PRICE |
52,820
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
33,180
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | - | Active | Digi-Reel® | -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 |
67,640
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|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 28-SOIC | - | Active | Digi-Reel® | -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 |
66,720
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|
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 | 2.7 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 |
73,360
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8LCC | Timekeeper® | Active | Digi-Reel® | -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 | ||
|
|
|
GET PRICE |
46,280
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|
STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-SOIC | - | Active | Digi-Reel® | -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 |
15,760
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|
STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | - | Active | Digi-Reel® | -40°C ~ 85°C | Surface Mount | Leap Year, NVSRAM | 8-SOIC (0.154", 3.90mm Width) | Clock/Calendar | I²C, 2-Wire Serial | 8-SO | 2 V ~ 5.5 V | 56B | HH:MM:SS | YY-MM-DD-dd | 2.5 V ~ 3.5 V | 70µA @ 2V ~ 5.5V |
