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Real Time Clocks
| Photo | Mfr. Part # | Availability | Quantity | Datasheet | Series | Package/Case | Packaging | Product Status | Programmable | Type | Features | Memory Size | Time Format | Date Format | Interface | Voltage - Supply | Voltage - Supply, Battery | Current - Timekeeping (Max) | Operating Temperature | Mounting Type | Grade | Qualification | Supplier Device Package |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS12885NIC RTC CLK/CALENDAR PAR 24DIP |
8,082 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Through Hole | - | - | 24-PDIP |
|
DS1670E/T&RIC RTC SYST CTRLR SER 20TSSOP |
9,550 |
|
Datasheet |
- | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Portable System Controller | Alarm, Leap Year, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.97V ~ 3.63V | 2.5V ~ 3.7V | 100µA @ 3.3V | 0°C ~ 70°C | Surface Mount | - | - | 20-TSSOP |
|
M41ST84WMQ6FIC RTC CLOCK/CALENDAR I2C 16SO |
5,498 |
|
Datasheet |
- | 16-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.6V | 2.5V ~ 3.5V | 0.5mA @ 2.7V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 16-SO |
|
RX-4035SA:B PURE SNIC RTC TIME EVENT REC SPI 14SOP |
4,846 |
|
Datasheet |
RX-4035SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Active | Not Verified | Time Event Recorder | Alarm | - | - | - | SPI | 2.4V ~ 5.5V | 1V ~ 5.5V | 2.5µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
BQ3285ESIC RTC CLK/CALENDAR PAR 24SOIC |
5,734 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 300µA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 24-SOIC |
|
RX-8731LC:B3 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
4,134 |
|
Datasheet |
- | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Unique ID | 80b | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.7V ~ 5.5V | - | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
|
DS1689S-TRLIC RTC CLK/CALENDAR PAR 28SOIC |
9,472 |
|
Datasheet |
- | 28-SOIC (0.337", 8.56mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.5V ~ 3.7V | 2mA @ 3V, 3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOIC |
|
|
DS1689S+T&RIC RTC CLK/CALENDAR PAR 28SOIC |
8,954 |
|
Datasheet |
- | 28-SOIC (0.337", 8.56mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | NVSRAM | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.3V, 4.5V ~ 5.5V | 2.5V ~ 3.7V | 2mA @ 3V, 3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 28-SOIC |
|
RTC-72423B:3IC RTC CLK/CALENDAR PAR 24SOP |
6,358 |
|
Datasheet |
- | 24-SOIC (0.311", 7.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 5µA ~ 10µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOP |
|
RX8900CEUC3IC RTC CLK/CALENDAR I2C 10SMD |
2,928 |
|
Datasheet |
RX8900CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 2.5V ~ 5.5V | 1.6V ~ 5.5V | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SMD |
|
ISL12020MIRZ-TIC RTC CLK/CALENDAR I2C 20DFN |
9,568 |
|
Datasheet |
- | 20-PowerLFDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, SRAM | 128B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 14µA ~ 15µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 20-DFN (5.5x4) |
|
DS12885QNIC RTC CLK/CALENDAR PAR 28PLCC |
5,060 |
|
Datasheet |
- | 28-LCC (J-Lead) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
|
X1227S8I-2.7AT1IC RTC CLK/CALENDAR I2C 8SOIC |
2,598 |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
X1227S8I-2.7AT2IC RTC CLK/CALENDAR I2C 8SOIC |
3,804 |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
X1227S8I-2.7T1IC RTC CLK/CALENDAR I2C 8SOIC |
9,232 |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
X1227S8I-2.7T2IC RTC CLK/CALENDAR I2C 8SOIC |
8,750 |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
X1227S8IZ-2.7AT1IC RTC CLK/CALENDAR I2C 8SOIC |
6,056 |
|
- |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
X1228S14-2.7T1IC RTC CLK/CALENDAR I2C 14SOIC |
2,026 |
|
Datasheet |
- | 14-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 14-SOIC |
|
RX-4045SA:AA3IC RTC CLK/CALENDAR SPI 14SOP |
5,968 |
|
Datasheet |
RX-4045SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
|
DS17285-3IC RTC CLK/CALENDAR PAR 24DIP |
5,760 |
|
Datasheet |
- | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 2KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.7V | 2.5V ~ 3.7V | 2mA @ 2.7V ~ 3.7V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
