Real Time Clocks
Explore Real Time Clocks parts from multiple manufacturers, with model information, availability, datasheets and technical specifications for engineering and purchasing.
For parts that are not shown in the list, send the manufacturer part number, quantity or BOM to JIEXIN Electronics. Our team can assist with availability checks and quotation support.
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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RX-8803LC:UB6 PURE SNIC RTC CLK/CALENDAR I2C 12VSOJ |
3,044 |
|
Datasheet | RX-8803LC | 12-TFSOJ (0.094", 2.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 2.1µA ~ 3.4µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 12-VSOJ |
|
RX-8803SAUA0 PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
1,408 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
DS1685S-5/T&RIC RTC CLK/CALENDAR PAR 24SOIC |
4,907 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, NVSRAM, Square Wave Output, Y2K | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 24-SOIC |
|
|
DS1685S-3/T&RIC RTC MULTIPLEXED 24SOIC |
3,313 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Real Time Clock (RTC) | - | 242B | HH:MM:SS | YYYY-MM-DD | Multiplexed | 3V | - | - | 0°C ~ 70°C | Surface Mount | - | - | 24-SOIC |
|
DS1685E-5/T&RIC RTC TIME CLK MULTI 24TSSOP |
4,846 |
|
Datasheet | - | 24-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Real Time Clock (RTC) | - | 242B | HH:MM:SS | YYYY-MM-DD | Multiplexed | 5V | - | - | 0°C ~ 70°C | Surface Mount | - | - | 24-TSSOP |
|
DS1602SIC RTC ELAPSED CTR SER 8SOIC |
1,288 |
|
Datasheet | - | 8-SOIC (0.209", 5.30mm Width) | Tube | Obsolete | Not Verified | Elapsed Time Counter | - | - | Binary | Binary | 3-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.5V | 50µA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
RX8901CE XS B00IC RTC CLK/CALENDAR I2C 10SMD |
2,906 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
RX8901CE XS A00IC RTC CLK/CALENDAR I2C 10SMD |
1,664 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
RX4901CE XS D00IC RTC CLK/CALENDAR SPI 10SMD |
2,604 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
RX4901CE XS A00IC RTC CLK/CALENDAR SPI 10SMD |
3,027 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
RX4901CE XS B00IC RTC CLK/CALENDAR SPI 10SMD |
2,324 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
RX4901CE XS C00IC RTC CLK/CALENDAR SPI 10SMD |
1,538 |
|
Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
M41T00SC64MY6EIC RTC CLK/CALENDAR I2C 18SOX |
3,721 |
|
Datasheet | - | 18-SOX, 18-SOIC with Crystal (7.5mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | EEPROM, Leap Year | 8KB | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 2.5V ~ 35V | 100µA (Typ) @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 18-SOX |
|
RX-4571SA:B PURE SNIC RTC CLK/CALENDAR SER 14SOP |
4,991 |
|
Datasheet | RX-4571SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | - | - | 3-Wire Serial | 1.6V ~ 5.5V | - | 0.95µA ~ 1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
RX-8571SA:B PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
4,793 |
|
Datasheet | RX-8571SA | 14-SOIC (0.197", 5.00mm Width) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, SRAM | 16B | - | - | I2C | 1.6V ~ 5.5V | - | 0.4µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
RV-1805-C3-32.768KHZ-2PPM-TA-QAIC RTC CLK/CALENDAR I2C 10SON |
3,991 |
|
Datasheet | - | 10-VCDFN | Tape & Reel (TR) | Not For New Designs | Not Verified | Clock/Calendar | Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer | 256B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.5V ~ 3.6V | - | 0.08µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | Automotive | AEC-Q200 | 10-SON (3.7x2.5) |
|
DS1302SN-16/T&RIC RTC CLK/CALENDAR SER 16SOIC |
4,575 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | Obsolete | 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 | - | - | 16-SOIC |
|
DS1685Q-3/T&RIC RTC MULTIPLEXED 28PLCC |
1,905 |
|
Datasheet | - | 28-LCC (J-Lead) | Tape & Reel (TR) | Obsolete | Not Verified | Real Time Clock (RTC) | - | 242B | HH:MM:SS | YYYY-MM-DD | Multiplexed | 3V | - | - | 0°C ~ 70°C | Surface Mount | - | - | 28-PLCC (11.51x11.51) |
|
DS1685-5-INDIC RTC CLK/CALENDAR PAR 24DIP |
2,801 |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, NVSRAM, Square Wave Output, Y2K | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 5V | -40°C ~ 85°C | Through Hole | - | - | 24-PDIP |
|
DS1343E-18+IC RTC CLK/CALENDAR SPI 20TSSOP |
3,288 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tube | Obsolete | 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 | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | - | - | 20-TSSOP |
Frequently Asked Questions
What are Real Time Clocks components used for?
Real Time Clocks components are used in a wide range of electronic equipment and systems. Their exact function depends on the device, circuit design and technical requirements of the application.
How do I choose the right Real Time Clocks part?
Compare the manufacturer part number, key specifications, package type, operating conditions, availability and datasheet information. For replacement projects, always verify the critical electrical and mechanical parameters before selecting an alternative.
Can JIEXIN Electronics help source obsolete or hard-to-find Real Time Clocks parts?
Yes. Send us the required manufacturer part number, quantity or BOM. Our sourcing team can help check stock availability, lead time, alternative sourcing options and quotation details.
How can I request pricing and availability?
Submit the part number, manufacturer and required quantity through our RFQ form. JIEXIN Electronics will review your request and provide available stock, pricing and sourcing information.
