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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DS1678S+IC RTC TIME EVENT REC I2C 8SOIC |
2,513 | - |
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Datasheet | - | 8-SOIC (0.209", 5.30mm Width) | Tube | Active | Not Verified | Time Event Recorder | Alarm, Leap Year, NVSRAM, Y2K | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 2.6V ~ 3.5V | - | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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DS1306N+IC RTC CLK/CALENDAR SPI 16DIP |
214 | - |
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Datasheet | - | 16-DIP (0.300", 7.62mm) | Tube | Active | 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 | Through Hole | - | - | 16-PDIP |
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DS12885+IC RTC CLK/CALENDAR PAR 24DIP |
3,722 | - |
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Datasheet | - | 24-DIP (0.600", 15.24mm) | Tube | Active | 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 | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
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DS3232MZ/V+IC RTC CLK/CALENDAR I2C 8SOIC |
182 | - |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Not For New Designs | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM | 236B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.3V ~ 4.5V | 2.3V ~ 4.5V | 175µA @ 2.3V ~ 4.5V | -40°C ~ 85°C | Surface Mount | Automotive | AEC-Q100 | 8-SOIC |
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DS3234S#IC RTC CLK/CALENDAR SPI 20SOIC |
909 | - |
|
Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal | 256B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2V ~ 5.5V | 2V ~ 3.8V | 120µA ~ 160µA @ 3.63V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 20-SOIC |
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DS3232S#IC RTC CLK/CALENDAR I2C 20SOIC |
1,008 | - |
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Datasheet | - | 20-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal | 236B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 120µA ~ 160µA @ 3.3V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 20-SOIC |
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M48T201Y-70MH1FIC RTC CLK/CALENDAR PAR 44SOH |
3,558 | - |
|
Datasheet | Timekeeper® | 44-BSOP (0.337", 8.56mm Width) requires SNAPHAT | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Supervisor, Watchdog Timer, Y2K | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 3V | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Surface Mount | - | - | 44-SOH |
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DS12C887A+IC RTC CLK/CALENDAR PAR 24EDIP |
916 | - |
|
Datasheet | - | 24-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 113B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 15mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-EDIP |
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DS12CR887-5+IC RTC CLK/CALENDAR PAR 24EDIP |
4,730 | - |
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Datasheet | - | 24-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2V ~ 3.05V | 2mA @ 4.5V ~ 5.5V | -40°C ~ 85°C | Through Hole | - | - | 24-EDIP |
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DS12CR887-33+IC RTC CLK/CALENDAR PAR 24EDIP |
2,378 | - |
|
Datasheet | - | 24-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 114B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 2V ~ 3.05V | 2mA @ 2.97V ~ 3.63V | -40°C ~ 85°C | Through Hole | - | - | 24-EDIP |
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M48T12-70PC1IC RTC CLK/CALENDAR PAR 24DIP |
488 | - |
|
Datasheet | Timekeeper® | 24-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-PCDIP, CAPHAT® |
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DS1315S-5+IC RTC PHANTOM CHIP PAR 16SOIC |
446 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 1.3mA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 16-SOIC |
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CDP68HC68T1M2ZIC RTC CLK/CALENDAR SPI 16SOIC |
540 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 3V ~ 6V | 2.2V ~ 6V | 20µA ~ 500µA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
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DS17487-5+IC RTC CLK/CALENDAR PAR 24EDIP |
2,106 | - |
|
Datasheet | - | 24-DIP Module (0.600", 15.24mm) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 4KB | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 3mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 24-EDIP |
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DS1315SN-5+IC RTC PHANTOM CHIP PAR 16SOIC |
382 | - |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Tube | Active | Not Verified | Phantom Time Chip | Leap Year | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 3.7V | 1.3mA @ 5V | -40°C ~ 85°C | Surface Mount | - | - | 16-SOIC |
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DS1554WP-120IND+IC RTC CLK/CALENDAR PAR 34PCM |
259 | - |
|
Datasheet | - | 34-PowerCap™ Module | Tray | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Watchdog Timer, Y2K | 32KB | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 2.97V ~ 3.63V | 3V | 4mA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 34-PowerCap Module |
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MCP7940MT-I/STIC RTC CLK/CALENDAR I2C 8TSSOP |
1,374 | - |
|
Datasheet | - | 8-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | - | 1µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP |
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PCF85063BTL/1,118IC RTC CLK/CALENDAR SPI 10DFN |
19,731 | - |
|
Datasheet | - | 10-XFDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 0.9V ~ 5.5V | - | 0.6µA @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 10-DFN (2.6x2.6) |
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MCP79402-I/STIC RTC CLK/CALENDAR I2C 8TSSOP |
339 | - |
|
Datasheet | - | 8-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | 1.3V ~ 5.5V | 1.2µA (Typ) @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP |
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MCP79401-I/MSIC RTC CLK/CALENDAR I2C 8MSOP |
218 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Unique ID | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 5.5V | 1.3V ~ 5.5V | 1.2µA (Typ) @ 3.3V | -40°C ~ 85°C | Surface Mount | - | - | 8-MSOP |
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.
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