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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BQ3287EAMTIC RTC CLOCK/CALENDAR PAR 24DIP |
3,562 | - |
|
Datasheet | - | 24-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | - | 0°C ~ 70°C | Through Hole | - | - | 24-DIP Module |
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BQ3287EMTIC RTC CLOCK/CALENDAR PAR 24DIP |
4,935 | - |
|
Datasheet | - | 24-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | - | 0°C ~ 70°C | Through Hole | - | - | 24-DIP Module |
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BQ4822YMA-70IC RTC CLK/CALENDAR PAR 28-DIP |
4,991 | - |
|
Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 6mA @ 2.2 V ~ 5.8 V | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module (18.42x37.72) |
|
BQ4842YMA-85IC RTC CLK/CALENDAR PAR 32DIP |
1,151 | - |
|
Datasheet | - | 32-DIP Module (0.610", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Supervisor, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 4mA @ 4.5 V ~ 5.5 V | 0°C ~ 70°C | Through Hole | - | - | 32-DIP Module (18.42x42.8) |
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BQ4845S-A4NIC RTC CLK/CALENDAR PAR 28SOIC |
1,781 | - |
|
Datasheet | - | 28-SOIC (0.295", 7.50mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.5V | 2.3V ~ 4V | 1.5mA (Typ) @ 4.5 V ~ 5.5 V | -40°C ~ 85°C | Surface Mount | - | - | 28-SOIC |
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BQ4847MTIC RTC CLK/CALENDAR PAR 28-DIP |
4,453 | - |
|
Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.75V ~ 5.25V | 2.3V ~ 4V | - | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module |
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BQ4847YMTIC RTC CLK/CALENDAR PAR 28-DIP |
3,920 | - |
|
Datasheet | - | 28-DIP Module (0.61", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.3V ~ 4V | - | 0°C ~ 70°C | Through Hole | - | - | 28-DIP Module |
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BQ4850YMA-85IC RTC CLK/CALENDAR PAR 32DIP |
1,244 | - |
|
Datasheet | - | 32-DIP Module (0.610", 15.49mm) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | - | 1mA @ 4.5V ~ 5.5V | 0°C ~ 70°C | Through Hole | - | - | 32-DIP Module (18.42x42.8) |
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BQ3285ESSTRG4IC RTC CLK/CALENDAR PAR 24SSOP |
3,001 | - |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, Leap Year, NVSRAM, Square Wave Output | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 4.5V ~ 5.5V | 2.5V ~ 4V | 300µA @ 5V | 0°C ~ 70°C | Surface Mount | - | - | 24-SSOP |
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BQ3285LDSSTRG4IC RTC CLK/CALENDAR PAR 24SSOP |
4,545 | - |
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Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Daylight Savings, NVSRAM | 242B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | Parallel | 2.7V ~ 5.5V | 2.4V ~ 4V | 100µA @ 3V | 0°C ~ 70°C | Surface Mount | - | - | 24-SSOP |
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.
