- Mounting Style :
- Package / Case :
-
- 16-SOIC (0.154", 3.90mm Width) (1)
- 16-VFDFN Exposed Pad (1)
- 16-VFQFN Exposed Pad (5)
- 16-VQFN Exposed Pad (6)
- 18-SOX, 18-SOIC with Crystal (7.5mm Width) (6)
- 20-SSOP (0.209", 5.30mm Width) (1)
- 24-DIP (0.600", 15.24mm) (1)
- 24-DIP Module (0.600", 15.24mm) (4)
- 28-DIP Module (0.600", 15.24mm) (9)
- 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 (6)
- 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT (5)
- 8-LCC (1)
- 8-SOIC (0.154", 3.90mm Width) (11)
- CLCC-8 (1)
- DFN-16 (1)
- PCDIP-24 (4)
- PDIP-28 (8)
- QFN (1)
- QFN-16 (9)
- SO-16 (1)
- SO-28 (4)
- SO-8 (3)
- SOH-28 (1)
- SOIC-18 (3)
- SOIC-28 (3)
- SOIC-44 (2)
- SOIC-8 (9)
- SOX (1)
- SOX-18 (3)
- SSOP-20 (1)
- VFQFPN (1)
- Minimum Operating Temperature :
- Maximum Operating Temperature :
- Series :
- Packaging :
- Supply Voltage - Max :
- Supply Voltage - Min :
- Battery Backup Switching :
- RTC Bus Interface :
- Date Format :
- Features :
-
- Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer (2)
- Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer (4)
- Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer (11)
- Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K (2)
- Alarm, Leap Year, Square Wave Output, Watchdog Timer (7)
- Alarm, Leap Year, SRAM, Watchdog Timer (3)
- Alarm, Leap Year, Watchdog Timer (4)
- Audio, Leap Year, Trickle-Charger (1)
- Leap Year (17)
- Leap Year, NVSRAM (2)
- Leap Year, Supervisor (1)
- Leap Year, Watchdog Timer (5)
- Operating Temperature :
- Part Status :
- Interface :
- Voltage - Supply, Battery :
- Current - Timekeeping (Max) :
-
- 0.5mA @ 2.7V ~ 3.6V (4)
- 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) @ 4.5V ~ 5.5V (1)
- 100µA @ 2.7V ~ 5.5V (2)
- 100µA @ 2V ~ 5.5V (1)
- 10µA @ 5.5V (14)
- 14.3mA @ 3V ~ 3.6V (1)
- 2mA @ 2.7V ~ 3.6V (1)
- 2mA @ 3V ~ 3.6V (4)
- 2mA @ 4.75V ~ 5.5V (3)
- 3mA @ 4.5V ~ 5.5V (10)
- 3mA @ 4.75V ~ 5.5V (1)
- 3mA @ 4.7V ~ 5.5V (4)
- 70µA @ 2.7V ~ 5.5V (2)
- 70µA @ 2V ~ 5.5V (3)
- Applied Filters :
117 products
| IMAGE | PART NO. | PRICE | QUANTITY | STOCK | MANUFACTURE | DESCRIPTION | Type | Mounting Style | Package / Case | Minimum Operating Temperature | Maximum Operating Temperature | Series | Packaging | Memory Size | Supply Voltage - Max | Supply Voltage - Min | Battery Backup Switching | RTC Bus Interface | Date Format | Time Format | RTC Memory Size | Mounting Type | Features | Operating Temperature | Part Status | Voltage - Supply | Supplier Device Package | Interface | Voltage - Supply, Battery | Current - Timekeeping (Max) | |
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Clock/Calendar | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Leap Year, Watchdog Timer | 0°C ~ 70°C | Active | 4.5 V ~ 5.5 V | 28-SOH | Parallel | - | 3mA @ 4.5V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Clock/Calendar | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Alarm, Leap Year, Watchdog Timer | 0°C ~ 70°C | Obsolete | 4.5 V ~ 5.5 V | 44-SOH | Parallel | - | 3mA @ 4.5V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Clock/Calendar | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Alarm, Leap Year, Watchdog Timer | 0°C ~ 70°C | Active | 4.5 V ~ 5.5 V | 44-SOH | Parallel | - | 3mA @ 4.5V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-DFN | Clock/Calendar | 16-VFDFN Exposed Pad | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Audio, Leap Year, Trickle-Charger | 0°C ~ 70°C | Active | 3 V ~ 3.6 V | 16-DFN (5x4) | I²C, 2-Wire Serial | 1.7 V ~ 3.6 V | 14.3mA @ 3V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | Clock/Calendar | 8-SOIC (0.154", 3.90mm Width) | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS | Surface Mount | Leap Year | -40°C ~ 85°C | Active | 2 V ~ 5.5 V | 8-SO | I²C, 2-Wire Serial | 2.5 V ~ 3.5 V | 70µA @ 2V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 24DIP | Clock/Calendar | 24-DIP Module (0.600", 15.24mm) | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 4.5 V ~ 5.5 V | 24-PCDIP, CAPHAT® | Parallel | - | 3mA @ 4.5V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR SPI 18-SOX | Clock/Calendar | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 3 V ~ 5.5 V | 18-SOX | SPI | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 28-DIP | Clock/Calendar | 28-DIP Module (0.600", 15.24mm) | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 4.5 V ~ 5.5 V | 28-PCDIP, CAPHAT® | Parallel | - | 3mA @ 4.5V ~ 5.5V | |||||||||||
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2,500
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Clock/Calendar | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Leap Year | 0°C ~ 70°C | Active | 4.5 V ~ 5.5 V | 28-SOH | Parallel | - | 2mA @ 4.75V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 28SOH | Clock/Calendar | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Leap Year | 0°C ~ 70°C | Active | 3 V ~ 3.6 V | 28-SOH | Parallel | - | 2mA @ 3V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 20-SSOP | Clock/Calendar | 20-SSOP (0.209", 5.30mm Width) | - | Tape & Reel (TR) | 128B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 3.6 V | 20-SSOP | I²C, 2-Wire Serial | 2.5 V ~ 3.6 V | 0.5mA @ 2.7V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOIC | Clock/Calendar | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 5.5 V | 18-SOX | I²C, 2-Wire Serial | 2 V ~ 3.5 V | 100µA @ 2.7V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | Clock/Calendar | 16-VQFN Exposed Pad | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.38 V ~ 5.5 V | 16-QFN (4x4) | SPI | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | Clock/Calendar | 8-SOIC (0.154", 3.90mm Width) | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | -40°C ~ 85°C | Active | 2 V ~ 5.5 V | 8-SO | I²C, 2-Wire Serial | 2.5 V ~ 3.5 V | 100µA @ 2V ~ 5.5V | |||||||||||
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GET PRICE |
18,720
In-stock
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STMicroelectronics | IC RTC PHANTOM SER 28-SOIC | Phantom Time Chip | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (12/24 hr) | Surface Mount | Leap Year, Supervisor | -40°C ~ 85°C | Obsolete | 3 V ~ 3.6 V | 28-SOH | Serial | 2.5 V ~ 3.7 V | 2mA @ 2.7V ~ 3.6V | ||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | Clock/Calendar | 16-VQFN Exposed Pad | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.38 V ~ 5.5 V | 16-QFN (4x4) | I²C, 2-Wire Serial | 2 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | Clock/Calendar | 8-SOIC (0.154", 3.90mm Width) | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.38 V ~ 5.5 V | 8-SO | I²C, 2-Wire Serial | 2 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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92
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 28DIP | Clock/Calendar | 28-DIP Module (0.600", 15.24mm) | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 4.75 V ~ 5.5 V | 28-PCDIP, CAPHAT® | Parallel | - | 3mA @ 4.75V ~ 5.5V | |||||||||||
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35
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 24DIP | Clock/Calendar | 24-DIP Module (0.600", 15.24mm) | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 4.75 V ~ 5.5 V | 24-PCDIP, CAPHAT® | Parallel | - | 3mA @ 4.7V ~ 5.5V | |||||||||||
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119
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR PAR 28DIP | Clock/Calendar | 28-DIP Module (0.600", 15.24mm) | Timekeeper® | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 3 V ~ 3.6 V | 28-PCDIP, CAPHAT® | Parallel | - | 2mA @ 3V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR PAR 44-SOH | Clock/Calendar | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K | 0°C ~ 70°C | Active | 3 V ~ 3.6 V | 44-SOH | Parallel | 3V | 2mA @ 3V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 28-SOIC | Clock/Calendar | 28-SOP (0.350", 8.89mm Width) with SNAPHAT Sockets | - | Tape & Reel (TR) | 44B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 3.6 V | 28-SOH | I²C, 2-Wire Serial | 2.5 V ~ 3.5 V | 0.5mA @ 2.7V ~ 3.6V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 18-SOX | Clock/Calendar | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 5.5 V | 18-SOX | I²C, 2-Wire Serial | 2 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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12,000
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | Clock/Calendar | 8-SOIC (0.154", 3.90mm Width) | - | Tape & Reel (TR) | 56B | YY-MM-DD-dd | HH:MM:SS | Surface Mount | Leap Year, NVSRAM | -40°C ~ 85°C | Active | 2 V ~ 5.5 V | 8-SO | I²C, 2-Wire Serial | 2.5 V ~ 3.5 V | 70µA @ 2V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 8-SOIC | Clock/Calendar | 8-SOIC (0.154", 3.90mm Width) | - | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Surface Mount | Leap Year | -40°C ~ 85°C | Active | 2.7 V ~ 5.5 V | 8-SO | I²C, 2-Wire Serial | 2 V ~ 3.5 V | 70µA @ 2.7V ~ 5.5V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | Clock/Calendar | 16-VFQFN Exposed Pad | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | -40°C ~ 85°C | Active | 1.5 V ~ 4.4 V | 16-QFN (3x3) | I²C, 2-Wire Serial | - | 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V | |||||||||||
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VIEW | STMicroelectronics | IC RTC CLK/CALENDAR I2C 16-QFN | Clock/Calendar | 16-VFQFN Exposed Pad | Timekeeper® | Tape & Reel (TR) | - | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, Watchdog Timer | -40°C ~ 85°C | Active | 1.3 V ~ 4.4 V | 16-QFN (3x3) | I²C, 2-Wire Serial | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | |||||||||||
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1,000
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR SPI 16-QFN | Clock/Calendar | 16-VQFN Exposed Pad | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 5.5 V | 16-QFN (4x4) | SPI | 1.8 V ~ 5.5 V | 10µA @ 5.5V | |||||||||||
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151
In-stock
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STMicroelectronics | IC RTC CLK/CALENDAR I2C 24-DIP | Clock/Calendar | 24-DIP (0.600", 15.24mm) | Timekeeper®, CAPHAT™ | Tube | - | YY-MM-DD-dd | HH:MM:SS (24 hr) | Through Hole | Leap Year | 0°C ~ 70°C | Active | 2.7 V ~ 5.5 V | 24-PCDIP, CAPHAT® | I²C, 2-Wire Serial | Integrated | 70µA @ 2.7V ~ 5.5V | |||||||||||
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1,000
In-stock
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STMicroelectronics | IC RTC CLK/CAL I2C 16-VFQFPN | Clock/Calendar | 16-VQFN Exposed Pad | - | Tape & Reel (TR) | 7B | YY-MM-DD-dd | HH:MM:SS:hh (24 hr) | Surface Mount | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | -40°C ~ 85°C | Active | 2.7 V ~ 5.5 V | 16-QFN (4x4) | I²C, 2-Wire Serial | 2 V ~ 5.5 V | 10µA @ 5.5V |
