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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS1394U-33+IC RTC CLK/CALENDAR SPI 10UMAX |
2,613 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 175µA @ 2.97V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-uMAX/uSOP |
|
RX8900SA:UC3 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
2,680 |
|
Datasheet |
RX8900SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 2.5V ~ 5.5V | 1.6V ~ 5.5V | 1.4µA ~ 1.5µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
M41ST87WSS6FIC RTC CLK/CALENDAR I2C 20SSOP |
1,182 |
|
Datasheet |
- | 20-SSOP (0.209", 5.30mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 128B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.6V | 2.5V ~ 3.6V | 0.5mA @ 2.7V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 20-SSOP |
|
DS1340U-33+IC RTC CLOCK/CALENDAR I2C 8UMAX |
1,079 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, Trickle-Charger | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 150µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
|
DS1343D-33+T&RIC RTC CLK/CALENDAR SPI 14TDFN |
261 |
|
Datasheet |
- | 14-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3V ~ 5.5V | 1.3V ~ 5.5V | 120µA ~ 160µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-TDFN (3x3) |
|
M41ST85WMX6TRIC RTC CLOCK/CALENDAR I2C 28SO |
4,270 |
|
Datasheet |
- | 28-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Active | 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 | - | - | 28-SO |
|
AB-RTCMC-32.768KHZ-ZIZE-S2-TIC RTC CLK/CALENDAR SPI MODULE |
848 |
|
Datasheet |
- | 10-SMD Module | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.1V ~ 5.5V | - | 0.35µA ~ 0.4µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | Module |
|
DS12R885S-33+IC RTC CLK/CALENDAR PAR 24SOIC |
664 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 2V ~ 3.05V | 2mA @ 2.97V ~ 3.63V | -40°C ~ 85°C | Surface Mount | - | - | 24-SOIC |
|
|
DS1344D-33+T&RIC RTC CLK/CALENDAR SPI 14TDFN |
7,053 |
|
Datasheet |
- | 14-WFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3V ~ 5.5V | 1.3V ~ 5.5V | 120µA ~ 160µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-TDFN (3x3) |
|
RX-8571SA:B3 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
183 |
|
Datasheet |
RX-8571SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 16B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.6V ~ 5.5V | - | 0.55µA ~ 0.6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
DS1340C-18#IC RTC CLK/CALENDAR I2C 16SOIC |
829 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, Trickle-Charger | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.71V ~ 5.5V | 1.3V ~ 3.7V | 100µA @ 1.89V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
|
RX-4571LC:B3 PURE SNIC RTC CLK/CALENDAR SER 12VSOJ |
1,849 |
|
Datasheet |
RX-4571LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.95µA ~ 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
|
DS1388Z-3+IC RTC CLK/CALENDAR I2C 8SOIC |
117 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer | 512B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 5.5V | 140µA @ 2.7V ~ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
ISL12022MIBZ-TIC RTC CLK/CALENDAR I2C 20SOIC |
9,560 |
|
Datasheet |
- | 20-SOIC (0.295", 7.50mm Width) | 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-SOIC |
|
DS1306+IC RTC CLK/CALENDAR SPI 16DIP |
80 |
|
Datasheet |
- | 16-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2V ~ 5.5V | 2V ~ 5.5V | 25.3µA ~ 81µA @ 2V ~ 5V | 0°C ~ 70°C | Through Hole | - | - | 16-PDIP |
|
|
RX-8803LC:UB3 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
2,487 |
|
Datasheet |
RX-8803LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | - | YY-MM-DD | I2C, 2-Wire Serial | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
|
RTC-8564NB:B3 ROHSIC RTC CLK/CALENDAR I2C 22SON |
909 |
|
Datasheet |
RTC-8564NB | 22-SMD, 20 Leads, Flat Leads | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Y2K | - | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.7µA ~ 0.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON |
|
|
DS1338C-3#IC RTC CLK/CALENDAR I2C 16SOIC |
171 |
|
Datasheet |
- | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Square Wave Output | 56B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
|
|
RX-4045NB:AA3IC RTC CLK/CALENDAR SPI 22SON |
500 |
|
Datasheet |
RX-4045NB | 22-LFDFN | Tape & Reel (TR) | Active | 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 | - | - | 22-SON (6.3x4.8) |
|
RX8804CE XA3IC RTC CLK/CALENDAR I2C 10SMD |
2,449 |
|
Datasheet |
RX8804CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | - | - | I2C | 1.6V ~ 5.5V | - | 1.5µA ~ 1.6µA @ 3V ~ 5V | -40°C ~ 105°C | Surface Mount | - | - | 10-SMD |
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