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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS1337UIC RTC CLOCK/CALENDAR I2C 8UMAX |
3,952 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm 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-uMAX/uSOP |
|
BQ4285LSIC RTC W/114X8 NVSRAM 24-SOP |
976 | - |
|
Datasheet | * | 24-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 3.6V | 2.4V ~ 4V | - | - | Surface Mount | - | - | 24-SOIC |
|
ISL1208IU8-TKIC RTC CLK/CALENDAR I2C 8MSOP |
5,823 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM | 2B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 4µA ~ 6µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-MSOP |
|
DS1672-3IC RTC BINARY COUNTER I2C 8DIP |
2,651 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Tube | Obsolete | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 3.63V | 500µA @ 3.3V | -40°C ~ 85°C | Through Hole | - | - | 8-PDIP |
|
PT7C4563BQ1WEXIC RTC CLK/CALENDAR I2C 8SOIC |
925 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD-dd | I2C, SMBus | 1.3V ~ 5.5V | 3V | 1.5µA @ 5V | -40°C ~ 125°C | Surface Mount | Automotive | AEC-Q100 | 8-SOIC |
|
ISL12030IBZIC RTC CLK/CALENDAR I2C 8SOIC |
970 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, SRAM | 128B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | - | 18µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
DS1672-3+IC RTC BINARY COUNTER I2C 8DIP |
4,402 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 3.63V | 500µA @ 3.3V | -40°C ~ 85°C | Through Hole | - | - | 8-PDIP |
|
|
DS1672-2+IC RTC BINARY CNT I2C 8-DIP |
1,057 | - |
|
Datasheet | - | 8-DIP (0.300", 7.62mm) | Bulk | Obsolete | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 1.8V ~ 2.2V | 1.3V ~ 3.63V | 500µA @ 2.2V | -40°C ~ 85°C | Through Hole | - | - | 8-PDIP |
|
ISL12058IRTZIC RTC CLK/CALENDAR I2C 8TDFN |
2,997 | - |
|
Datasheet | - | 8-WDFN Exposed Pad | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-TDFN (3x3) |
|
ISL12058IRUZ-TIC RTC CLK/CALENDAR I2C 8UTDFN |
21,000 | - |
|
Datasheet | - | 8-UFDFN | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-µTDFN (2x2) |
|
ISL12059IBZ-TIC RTC CLK/CALENDAR I2C 8SOIC |
10,000 |
133+：$2.26000 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
ISL12057IRUZ-TIC RTC CLK/CALENDAR I2C 8UTDFN |
4,823 | - |
|
Datasheet | - | 8-UFDFN | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-µTDFN (2x2) |
|
ISL12059IBZIC RTC CLK/CALENDAR I2C 8SOIC |
4,187 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
ISL12058IRUZ-TIC RTC CLK/CALENDAR I2C 8UTDFN |
2,817 | - |
|
Datasheet | - | 8-UFDFN | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-µTDFN (2x2) |
|
DS1393U-3IC BATT CHG SPI RTC W/TRICKLE |
6,313 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Active | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 3.7V | 125µA @ 2.7V ~ 3.3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-uMAX |
|
|
DS1338U-33IC RTC CLOCK/CALENDAR I2C 8UMAX |
3,078 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | 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-uMAX/uSOP |
|
DS1672S-3IC RTC BINARY COUNTER I2C 8SOIC |
3,221 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 2.7V ~ 3.3V | 1.3V ~ 3.63V | 500µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
|
DS1672U-33IC RTC BINARY COUNTER I2C 8UMAX |
1,871 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Not Verified | Binary Counter | Trickle-Charger | - | Binary | Binary | I2C, 2-Wire Serial | 2.97V ~ 3.63V | 1.3V ~ 3.63V | 500µA @ 3.63V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
|
|
DS1392U-33IC BATT CHG SPI RTC W/TRICKLE |
7,697 | - |
|
Datasheet | - | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Active | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 175µA @ 2.97V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-uMAX |
|
|
DS1338U-33/T&RIC RTC CLOCK/CALENDAR I2C 8UMAX |
2,691 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | 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-uMAX/uSOP |
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.
