Real Time Clocks
Browse available Real Time Clocks components by manufacturer and part number. Review stock status, datasheets and key technical parameters to compare suitable options for design, maintenance, replacement or purchasing.
If you already have a target MPN or BOM, send it to EGOO with the required quantity. Our sourcing team can check availability, lead time and quotation options, including hard-to-find and obsolete parts.
| Photo | Mfr. Part # | Availability | Price | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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DS1339U-33+T&RIC RTC CLOCK/CALENDAR I2C 8UMAX |
8,681 | - |
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Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
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DS1302+IC RTC CLK/CALENDAR SER 8DIP |
1,350 | - |
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Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Trickle-Charger | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2V ~ 5.5V | 2V ~ 5.5V | 0.3µA ~ 1µA @ 2V ~ 5V | 0°C ~ 70°C | Through Hole | - | - | 8-PDIP |
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DS1302Z+IC RTC CLK/CALENDAR SER 8SOIC |
2,283 | - |
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Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Trickle-Charger | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2V ~ 5.5V | 2V ~ 5.5V | 0.3µA ~ 1µA @ 2V ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
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MAX31343ETAY+TACCURATE/ROBUST RTC WITH INTEGRA |
434 | - |
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Datasheet | - | 8-VFBGA, WLBGA | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, SRAM, Trickle Charger | 64B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 1.2µA ~ 2µA @ 1.6V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-WLP (2.07x2.27) |
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DS1374U-18+IC RTC BINARY COUNTER I2C 10UMAX |
3,996 | - |
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Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Binary Counter | Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer | - | Binary | Binary | I2C, 2-Wire Serial | 1.71V ~ 1.89V | 1.3V ~ 3.7V | 100µA @ 1.71V ~ 1.89V | -40°C ~ 85°C | Surface Mount | - | - | 10-uMAX/uSOP |
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DS1391U-33+IC RTC CLK/CALENDAR SPI 10UMAX |
1,534 | - |
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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 |
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DS1338Z-33+IC RTC CLK/CALENDAR I2C 8SOIC |
1,307 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm 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 | 3V ~ 5.5V | 1.3V ~ 3.7V | 125µA ~ 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1307+IC RTC CLOCK/CALENDAR I2C 8DIP |
3,574 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | 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 | 4.5V ~ 5.5V | 2V ~ 3.5V | 200µA @ 5V | 0°C ~ 70°C | Through Hole | - | - | 8-PDIP |
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RX8901CE XS A06IC RTC CLK/CALENDAR I2C 10SMD |
670 | - |
|
Datasheet | RX8901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD |
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DS1307ZN+IC RTC CLK/CALENDAR I2C 8SOIC |
2,053 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm 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 | 4.5V ~ 5.5V | 2V ~ 3.5V | 200µA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1338Z-18+IC RTC CLK/CALENDAR I2C 8SOIC |
2,429 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm 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 | 1.71V ~ 5.5V | 1.3V ~ 3.7V | 100µA @ 1.89V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1340Z-33+IC RTC CLK/CALENDAR I2C 8SOIC |
789 | - |
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Datasheet | - | 8-SOIC (0.154", 3.90mm 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-SOIC |
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DS1374U-33+IC RTC BINARY COUNTER I2C 10UMAX |
3,517 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Binary Counter | Alarm, Square Wave Output, Trickle-Charger, Watchdog Timer | - | Binary | Binary | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 175µA @ 2.97V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-uMAX/uSOP |
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DS1390U-33+IC RTC CLK/CALENDAR SPI 10UMAX |
2,498 | - |
|
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 |
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DS1302ZN+IC RTC CLK/CALENDAR SER 8SOIC |
2,770 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM, Trickle-Charger | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2V ~ 5.5V | 2V ~ 5.5V | 0.3µA ~ 1µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1339U-33+IC RTC CLOCK/CALENDAR I2C 8UMAX |
1,866 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
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DS1683S+T&RIC RTC ELAPSED CNT I2C 8SOIC |
6,268 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Verified | Elapsed Time Counter | Alarm, EEPROM | 16B | Binary | Binary | I2C, 2-Wire Serial | 2.5V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1683S+IC RTC ELAPSED CNT I2C 8SOIC |
1,747 | - |
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Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Verified | Elapsed Time Counter | Alarm, EEPROM | 16B | Binary | Binary | I2C, 2-Wire Serial | 2.5V ~ 5.5V | - | - | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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RX-8025SA:AA3IC RTC CLK/CALENDAR I2C 14SOP |
18,649 | - |
|
Datasheet | RX-8025SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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AB-RTCMC-32.768KHZ-EOA9-S3-DBTIC RTC CLK/CALENDAR SPI MODULE |
1,205 | - |
|
Datasheet | - | 10-SMD Module | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Trickle-Charger | 8B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.4V ~ 5.5V | 1.4V ~ 5.5V | 1.5µA ~ 2.2µA @ 1.4V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | Module |
Real Time Clocks FAQ
What Real Time Clocks components can I source from EGOO?
You can browse available Real Time Clocks product families, manufacturers and part numbers on this page, then review stock, datasheets and technical information for suitable options.
Can EGOO help with hard-to-source or obsolete Real Time Clocks parts?
Yes. EGOO provides sourcing support for shortage, obsolete and hard-to-find electronic components. Send us the target manufacturer part number and quantity for checking.
Does EGOO support BOM and small-batch sourcing?
Yes. We support BOM sourcing, prototype requirements and small-batch supply, together with stock, lead-time and quotation assistance.
How do I request pricing and availability?
Submit the manufacturer part number, required quantity and any package, date-code or delivery requirements through the RFQ form, and our team will review available sourcing options.
