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Real Time Clocks
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
DS1672S-33IC RTC BINARY COUNTER I2C 8SOIC |
2,843 | 1.88 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm 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-SOIC |
|
PT7C4339WEXIC RTC CLK/CALENDAR I2C 8SOIC |
12,460 | 1.41 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (12/24 hr) | YY-MM-DD | I2C, 2-Wire Serial | 3V ~ 5.5V | 1.3V ~ 3.7V | 250µA @ 3V ~ 5.5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-SOIC |
|
DS2415PIC RTC BINARY CNTR 1-WIRE 6TSOC |
1,142 | 1.91 |
|
Datasheet |
- | 6-SMD, J-Lead | Tube | Obsolete | Not Verified | Binary Counter | Unique ID | - | Binary | Binary | 1-Wire® Serial | 2.5V ~ 5.5V | 2.5V ~ 5.5V | 0.25µA ~ 0.45µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 6-TSOC |
|
MAX6900ETTAEQI2C-BUS-COMPATIBLE REAL-TIME CLO |
2,150 | 1.93 |
|
Datasheet |
* | - | Bulk | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
DS1392U-18IC BATT CHG SPI RTC W/TRICKLE |
9,810 | 1.97 |
|
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 | 1.71V ~ 1.89V | 1.3V ~ 3.7V | 100µA @ 1.71V ~ 1.89V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-uMAX |
|
|
PT7C4311WEXIC RTC CLK/CALENDAR I2C 8SOIC |
2,634 | 1.50 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year, Square Wave Output, Y2K | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.2V ~ 5.5V | 2V ~ 5.5V | 70µA @ 1.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
DS1339U-33IC RTC CLOCK/CALENDAR I2C 8UMAX |
4,182 | 1.00 |
|
- |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.97V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-uMAX/uSOP |
|
DS1374U-18IC RTC BINARY COUNTER I2C 10UMAX |
8,906 | 2.08 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Active | Not Verified | Binary Counter | Alarm, NVRAM, Square Wave Output, Trickle-Charger, Watchdog Timer | 3B | Binary | Binary | I2C, 2-Wire Serial | 1.71V ~ 1.89V | 1.3V ~ 3.7V | 100µA @ 1.71V ~ 1.89V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-uMAX |
|
|
DS1391U-18IC BATT CHG SPI RTC W/TRICKLE |
7,875 | 2.08 |
|
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 | SPI, 4-Wire Serial | 1.71V ~ 1.89V | 1.3V ~ 3.7V | 100µA @ 1.71V ~ 1.89V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-uMAX |
|
|
DS1393U-33IC BATT CHG SPI RTC W/TRICKLE |
6,569 | 2.08 |
|
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 |
|
DS1672-33IC RTC BINARY COUNTER I2C 8DIP |
4,483 | 1.70 |
|
Datasheet |
- | 8-DIP (0.300", 7.62mm) | 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 | Through Hole | - | - | 8-PDIP |
|
DS1393U-18+IC RTC CLK/CALENDAR SER 10-USOP |
4,870 | 2.97 |
|
Datasheet |
* | - | Bulk | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
|
DS1392U-18+IC RTC CLK/CALENDAR SER 10-USOP |
1,901 | 2.97 |
|
Datasheet |
* | - | Bulk | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - |
|
PT7C433833AZEEXIC RTC CLK/CALENDAR I2C 8TDFN |
4,816 | 1.70 |
|
Datasheet |
- | 8-WFDFN Exposed Pad | 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 | 2.7V ~ 5.5V | 1.5V ~ 3.7V | 125µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TDFN (2x3) |
|
|
DS1392U-3+IC RTC CLK/CALENDAR SER 10-USOP |
1,896 | 3.82 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Bulk | Obsolete | Not Verified | 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 | Surface Mount | - | - | 10-uMAX/uSOP |
|
PT7C43390WEXIC RTC CLK/CALENDAR I2C 8SOIC |
3,380 | 1.72 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | 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 | 1.3V ~ 5.5V | - | 0.65µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
DS12R885S-33IC BATT CHG RTC W/TRICKLE |
2,006 | 2.20 |
|
Datasheet |
- | 24-SOIC (0.295", 7.50mm Width) | Bulk | Active | - | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 114B | HH:MM:SS | YY-MM-DD-dd | - | 2.97V ~ 3.63V | 2V ~ 3.05V | 2mA @ 2.97V ~ 3.63V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 24-SOIC |
|
|
DS1672U-2+IC RTC BINARY CNT I2C 8-USOP |
2,779 | 4.03 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 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 | Surface Mount | - | - | 8-uMAX/uSOP |
|
X1227S8Z-2.7AIC RTC CLK/CALENDAR I2C 8SOIC |
10,454 | 2.25 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Supervisor, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 1.8V ~ 5.5V | 10µA ~ 20µA @ 2.7V ~ 5V | 0°C ~ 70°C | Surface Mount | - | - | 8-SOIC |
|
CBC92141C-Q3-TR3IC RTC CLK/CALENDAR I2C 16MLPQ |
3,580 | 1.67 |
|
- |
- | 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 | 4.1V | 0.06µA @ 2.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-MLPQ (3x3) |
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