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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CBC92132C-Q3-TR3IC RTC CLK/CALENDAR I2C 16MLPQ |
3,467 |
|
Datasheet | - | 16-UFQFN Exposed Pad | Tape & Reel (TR) | Discontinued at Digi-Key | Not Verified | Clock/Calendar | Alarm, Backup Supply Charger, Leap Year, RAM | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C | 2.5V ~ 5.5V | 3.2V | 0.05µA @ 2.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-MLPQ (3x3) |
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BQ3285LCSTIMER OR RTC, VOLATILE, CMOS |
2,170 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | Bulk | Active | 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 | - | - | Surface Mount | - | - | 24-SSOP |
|
X1288V14IZIC RTC CLK/CALENDAR I2C 14TSSOP |
186 |
|
Datasheet | 2-Wire™ | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, SRAM, Supervisor, Watchdog Timer, Y2K | 32KB | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 14-TSSOP |
|
BQ3285ESS-NREAL TIME CLOCK, 1 TIMER(S) |
2,318 |
|
Datasheet | * | - | Bulk | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
DS1344D-18+TRLOW-CURRENT SPI/3-WIRE RTC |
2,316 |
|
Datasheet | - | 14-WFDFN Exposed Pad | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle-Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial, SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | 120µA ~ 200µA @ 1.89V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 14-TDFN-EP (3x3) |
|
DS1388Z-3IC BATT CHG I2C RTC W/TRICKLE |
1,449 |
|
Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Bulk | Active | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Supervisor, Trickle-Charger, Watchdog Timer | 512B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C | 2.7V ~ 3.3V | 1.3V ~ 5.5V | 140µA @ 2.7V ~ 3.3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-SOIC |
|
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BQ3285LSSIC RTC CLK/CALENDAR PAR 24SSOP |
230 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | 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 | 2.7V ~ 3.6V | 2.4V ~ 4V | - | - | Surface Mount | - | - | 24-SSOP |
|
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BQ3285LSSIC REAL TIME CLOCK 24-QSOP |
148 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | 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 | 2.7V ~ 3.6V | 2.4V ~ 4V | - | - | Surface Mount | - | - | 24-SSOP |
|
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ISL12032IVZ-TIC RTC EVENT REC I2C 14TSSOP |
2,500 |
|
Datasheet | - | 14-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | Time Event Recorder | Alarm, SRAM, Trickle-Charger | 128B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 18µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-TSSOP |
|
BQ3285LDSSTRIC RTC CLK/CALENDAR PAR 24SSOP |
3,206 |
|
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 |
|
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BQ3285ESSTRIC RTC CLK/CALENDAR PAR 24SSOP |
2,696 |
|
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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BQ3285LFSS-A1TRIC RTC CLK/CALENDAR PAR 24SSOP |
2,860 |
|
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 | 2.7V ~ 5.5V | 2.4V ~ 4V | 100µA @ 3V | 0°C ~ 70°C | Surface Mount | - | - | 24-SSOP |
|
BQ3285ESTRIC RTC CLK/CALENDAR PAR 24SOIC |
1,214 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm 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-SOIC |
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DS1344E-18+IC RTC CLK/CALENDAR SPI 20TSSOP |
4,489 |
|
Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Bulk | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Trickle Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 5.5V | 1.3V ~ 5.5V | - | -40°C ~ 85°C | Surface Mount | - | - | 20-TSSOP |
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BQ3285S-SB2TRIC RTC CLK/CALENDAR PAR 24SOIC |
1,805 |
|
Datasheet | - | 24-SOIC (0.295", 7.50mm Width) | Tape & Reel (TR) | 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 | 4.5V ~ 5.5V | 2.5V ~ 4V | - | 0°C ~ 70°C | Surface Mount | - | - | 24-SOIC |
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DS3231N/DIPEXTREMELY ACCURATE I2C-INTEGRATE |
813 |
|
Datasheet | - | 16-SOIC (0.295", 7.50mm Width) | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, TCXO/Crystal | - | HH:MM:SS (12/24 hr) | YY-MM-DD | I2C | 2.3V ~ 5.5V | 2.3V ~ 5.5V | 110µA ~ 170µA @ 3.63V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 16-SOIC |
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MAX6901ETA-TMAX6901 3-WIRE SERIAL RTC |
4,675 |
|
Datasheet | - | 8-WDFN Exposed Pad | Bulk | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 31B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2V ~ 5.5V | - | 0.7µA ~ 2.2µA @ 2V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN-EP (3x3) |
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BQ3285P-SB2IC RTC CLK/CALENDAR PAR 24DIP |
2,560 |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | Bulk | 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 | 4.5V ~ 5.5V | 2.5V ~ 4V | - | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
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BQ3285EPIC RTC CLK/CALENDAR PAR 24DIP |
2,383 |
|
Datasheet | - | 24-DIP (0.600", 15.24mm) | 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 | 2.5V ~ 4V | 300µA @ 5V | 0°C ~ 70°C | Through Hole | - | - | 24-PDIP |
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BQ3285LFSS-A1IC RTC CLK/CALENDAR PAR 24SSOP |
3,236 |
|
Datasheet | - | 24-SSOP (0.154", 3.90mm Width) | 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 | 2.7V ~ 5.5V | 2.4V ~ 4V | 100µA @ 3V | 0°C ~ 70°C | Surface Mount | - | - | 24-SSOP |
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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