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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M41T60Q6FIC RTC CLK/CALENDAR I2C 16QFN |
1,715 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 4.4V | - | 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) |
|
DS1682S/T&RIC RTC ELAPSED CNT I2C 8SOIC |
2,765 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Elapsed Time Counter | Alarm, EEPROM | 10B | Binary | Binary | I2C, 2-Wire Serial | 2.5V ~ 5.5V | - | 4µA ~ 15µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
RX-8035SAAA0 PURE SNIC RTC TIME EVENT REC I2C 14SOP |
3,680 |
|
Datasheet | RX-8035SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.4V ~ 5.5V | 1V ~ 5.5V | 2.5µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
AB0811-T3IC RTC CLK/CALENDAR SPI 16QFN |
1,104 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) |
|
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AB0801-T3IC RTC CLK/CALENDAR I2C 16QFN |
1,484 |
|
Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | HH:MM:SS:hh | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) |
|
RTC-4543SA:B3 ROHSIC RTC CLK/CALENDAR SER 14SOP |
3,105 |
|
Datasheet | RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
RV-8523-C3-32.768KHZ-10PPM-TA-QCIC RTC CLK/CALENDAR I2C 10SON |
2,074 |
|
Datasheet | C3 | 10-VCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.2V ~ 5.5V | - | 0.18µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) |
|
|
RX-8025SA:AA0:ROHSIC RTC CLK/CALENDAR I2C 14SOP |
4,054 |
|
Datasheet | RX-8025SA | 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 | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
M41T94MQ6EIC RTC CLK/CALENDAR SPI 16SO |
1,051 |
|
Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | SPI | 2.7V ~ 5.5V | 2.5V ~ 3.5V | 1.4mA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-SO |
|
1337GDCGIIC RTC CLK/CALENDAR I2C 8SOIC |
4,094 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
M41T64Q6FIC RTC CLK/CALENDAR I2C 16QFN |
4,317 |
|
Datasheet | Timekeeper® | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 4.4V | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) |
|
|
M41T66Q6FIC RTC CLK/CALENDAR I2C 16QFN |
4,303 |
|
Datasheet | Timekeeper® | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.5V ~ 4.4V | - | 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) |
|
DS1306EN/T&RIC RTC CLK/CALENDAR SPI 20TSSOP |
3,563 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | 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 | -40°C ~ 85°C | Surface Mount | - | - | 20-TSSOP |
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RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3TIMING REAL TIME CLOCK |
3,910 |
|
Datasheet | C3 | 10-VCDFN | Bulk | Active | - | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 8B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) |
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PT7C4363BZEEXIC RTC CLK/CALENDAR I2C 8TDFN |
3,859 |
|
Datasheet | - | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.85µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) |
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RX6110SA:BB PURE SNIC RTC CLK/CALENDAR I2C 14SOP |
2,564 |
|
Datasheet | RX6110SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, SRAM | 16B | - | - | I2C, SPI | 1.6V ~ 5.5V | - | 0.25µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
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RV-1805-C3-32.768KHZ-2PPM-TA-QCIC RTC CLK/CALENDAR I2C 10SON |
4,246 |
|
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 | - | - | 10-SON (3.7x2.5) |
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RX8111CE BBIC RTC CLK/CALENDAR I2C 10SMD |
4,538 |
|
Datasheet | RX8111CE | 10-SMD, No Lead | Bulk | Active | Not Verified | Clock/Calendar | Alarm, RAM | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 3µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SMD |
|
RX-4045SA:AA0IC RTC CLK/CALENDAR SPI 14SOP |
4,952 |
|
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 |
|
V3020XSO8B+V3020XSO8B+ |
0 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Last Time Buy | - | Clock/Calendar | Leap Year, RAM | 1B | HH:MM:SS | YY-MM-DD-dd | 3-Wire Serial | 1.2V ~ 5.5V | - | 0.49µA ~ 0.6µA @ 3V ~ 5V | -40°C ~ 125°C (TA) | Surface Mount | - | - | 8-SOIC |
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.
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