Real Time Clocks
Browse available Real Time Clocks part numbers with manufacturer references, stock information, pricing, datasheets and key specifications. Use the table below to compare options for your project.
For BOM, shortage or hard-to-find requirements, send your part number and quantity to Winsun (HK) Electronics for availability, lead-time and quotation support.
| 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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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 |
Real Time Clocks FAQ
Common questions about selecting, comparing and sourcing Real Time Clocks components through Winsun (HK) Electronics.
What should I check when selecting Real Time Clocks components?
Compare the manufacturer part number, electrical specifications, package, operating conditions and application requirements. The product datasheet should be used to confirm technical suitability.
Can Winsun help source specific Real Time Clocks part numbers?
Yes. Send the exact part number, manufacturer and required quantity. Winsun (HK) Electronics can assist with availability checks, quotation support and sourcing options based on your requirement.
Do you support shortage, obsolete or hard-to-find Real Time Clocks parts?
Yes. Our sourcing team can review shortage and obsolete-part requirements and help check available supply channels or possible alternatives when appropriate.
How do I request a quote for Real Time Clocks components?
Submit an RFQ with the part number, manufacturer, quantity and target delivery requirement. Our sales team will review your request and follow up with current sourcing information.
