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Real Time Clocks
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
ISL12058IBZIC RTC CLK/CALENDAR I2C 8SOIC |
1,950 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.8V ~ 3.6V | - | 0.65µA @ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
|
MCP79521T-I/MSIC RTC CLK/CALENDAR SPI 10MSOP |
2,294 |
|
- |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Unique ID | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8V ~ 3.6V | 1.3V ~ 3.6V | 1µA @ 1.8V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 10-MSOP |
|
S-35190A-J8T1UIC RTC CLK/CALENDAR SER 8SOP |
10,540 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.3V ~ 5.5V | - | 8µA ~ 14µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOP-J |
|
R2051L02-E2IC RTC CLK/CALENDAR I2C 16QFN |
8,475 |
|
Datasheet |
- | 16-XFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.34V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | QFN023023-16 |
|
S-35190A-I8T1UIC RTC CLK/CALENDAR SER SNT8A |
2,105 |
|
Datasheet |
- | 8-SMD, Flat Leads | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.3V ~ 5.5V | - | 0.93µA ~ 1.1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | SNT-8A |
|
RV5C348A-E2-FIC RTC CLK/CALENDAR SER 10SSOP |
5,609 |
|
Datasheet |
- | 10-LFSOP, 10-MSOP (0.110", 2.80mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | 4-Wire Serial | 2V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 10-SSOP-G |
|
MCP795W20-I/STIC RTC CLK/CALENDAR SPI 14TSSOP |
186 |
|
Datasheet |
- | 14-TSSOP (0.173", 4.40mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 64B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.8V ~ 3.6V | 1.3V ~ 3.6V | 1µA @ 1.8V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 14-TSSOP |
|
PT7C4337UEXIC RTC CLK/CALENDAR I2C 8MSOP |
1,226 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 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, 2-Wire Serial | 1.8V ~ 5.5V | - | 0.8µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-MSOP |
|
|
PT7C43390LEXIC RTC CLK/CALENDAR I2C 8MSOP |
1,943 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 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, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.65µA ~ 0.7µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-MSOP |
|
|
S-35399A03-J8T1UIC RTC CLOCK/CALENDAR I2C 8SOP |
3,852 |
|
Datasheet |
S-35399A03 | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 14µA ~ 30µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-SOP-J |
|
1339-31DVGI8IC RTC CLK/CALENDAR I2C 8TSSOP |
7,815 |
|
Datasheet |
- | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | Tape & Reel (TR) | Active | 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 | 3.3V ~ 5.5V | 1.3V ~ 3.7V | 200µA @ 3.63V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP |
|
DS1391U-18+IC RTC CLK/CALENDAR SPI 10UMAX |
0 |
|
Datasheet |
- | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Trickle-Charger | - | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | SPI | 1.71V ~ 1.89V | 1.3V ~ 3.7V | 100µA @ 1.71V ~ 1.89V | -40°C ~ 85°C | Surface Mount | - | - | 10-uMAX/uSOP |
|
DS1375T+T&RIC RTC CLK/CALENDAR I2C 6TDFN |
274 |
|
Datasheet |
- | 6-WDFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | 16B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 0.5µA @ 1.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 6-TDFN (3x3) |
|
ISL12026AIVZ-TIC RTC CLK/CALENDAR I2C 8TSSOP |
2,275 |
|
Datasheet |
- | 8-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | 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 ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP |
|
R2025D-E2-FIC RTC CLK/CALENDAR I2C 22SON |
887 |
|
Datasheet |
- | 22-SMD Module Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 120µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 22-SON (6.1x4.7) |
|
RX4901CE XB B06IC RTC CLK/CALENDAR SPI 10SMD |
1,995 |
|
Datasheet |
RX4901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | SPI, 3-Wire Serial | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD |
|
|
RX4901CE XB A06IC RTC CLK/CALENDAR SPI 10SMD |
1,989 |
|
Datasheet |
RX4901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | SPI, 3-Wire Serial | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD |
|
|
RX4901CE XB D06IC RTC CLK/CALENDAR SPI 10SMD |
1,965 |
|
Datasheet |
RX4901CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | SPI, 4-Wire Serial | 1.6V ~ 5.5V | - | 1.5µA @ 3V | -40°C ~ 105°C (TA) | Surface Mount | - | - | 10-SMD |
|
RX-8025SA:AC0IC RTC CLK/CALENDAR I2C 14SOP |
2,829 |
|
Datasheet |
RX-8025SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP |
|
|
ISL12026AIBZIC RTC CLK/CALENDAR I2C 8SOIC |
950 |
|
Datasheet |
- | 8-SOIC (0.154", 3.90mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, Leap Year | - | 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 ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC |
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