Real Time Clocks
Use the filters and product table below to compare Real Time Clocks components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.
If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.
| 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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DS1315N-5+IC RTC PHANTOM CHIP PAR 16DIP |
4,818 | - |
|
Datasheet | - | 16-DIP (0.300", 7.62mm) | 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 | Through Hole | - | - | 16-PDIP |
|
MAX31342EWA+TIC RTC CLK/CALENDAR I2C 8WLP |
4,911 | - |
|
Datasheet | - | 8-WFBGA, WLBGA | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 3.6V | - | 0.33µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 8-WLP (.97x1.97) |
|
MAX31331TETB+ULTRA-LOW POWER 12C REAL TIME CL |
1,103 | - |
|
Datasheet | - | 10-WFDFN Exposed Pad | Tray | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger | 32B | HH:MM:SS (12/24 hr) | YY-MM-DD | I2C | 1.1V ~ 5.5V | 1.1V ~ 5.5V | 0.65µA ~ 0.7µA @ 1.1V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-TDFN (3x3) |
|
MAX31329NELB+INTEGRATED RC17 W/ NDK CRYSTAL |
1,784 | - |
|
Datasheet | - | 10-LLGA | Tray | Active | - | Clock/Calendar | Alarm, Leap Year, RAM, Square Wave Output, Trickle Charger | 64B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 1.6V ~ 5.5V | 1.6V ~ 5.5V | 0.5µA ~ 0.7µA @ 1.6V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 10-LGA (5x5) |
|
MAX31328NELB+TINTEGRATED DS3231SN W/ NDK CRYST |
4,608 | - |
|
Datasheet | - | 10-LLGA | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 3µA ~ 3.5µA @ 3V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-LGA (5x5) |
|
DS1685Q-5+IC RTC CLK/CALENDAR PAR 28PLCC |
4,691 | - |
|
Datasheet | - | 28-LCC (J-Lead) | Tube | Active | 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 | - | - | 28-PLCC (11.51x11.51) |
|
|
DS2417X/T&RIC RTC BINARY CNT 1-WIRE 6FLIP |
3,677 | - |
|
Datasheet | - | 6-VBGA, FCBGA | Tape & Reel (TR) | Obsolete | Not Verified | Binary Counter | Unique ID | - | Binary | Binary | 1-Wire® Serial | 2.5V ~ 5.5V | - | 0.45µA @ 2.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 6-FlipChip (2.82x2.54) |
|
|
MAX31341EWC+TIC REAL TIME CLK LO CURRENT W/I2 |
2,533 | - |
|
Datasheet | - | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
DS1371U+C01IC RTC BINARY COUNTER I2C 8UMAX |
4,882 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Not Verified | Binary Counter | Alarm, Square Wave Output, Watchdog Timer | - | Binary | Binary | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 1.3µA @ 1.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
|
|
DS1340U-33/T&RIC RTC CLOCK/CALENDAR I2C 8UMAX |
3,425 | - |
|
Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year, Trickle-Charger | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 5.5V | 150µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
Real Time Clocks FAQ
Common questions about filtering, comparing and sourcing Real Time Clocks components.
How can I narrow the Real Time Clocks selection?
Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.
Should I confirm the datasheet before selecting a part?
Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.
Can Winsun (HK) Electronics help source a specific Real Time Clocks part number?
Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.
Do you support BOM, shortage or alternative-part requirements?
Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.
