| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | S-35390A-T8T1GIC RTC CLK/CALENDAR I2C 8TSSOP | 15,960 |  |  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 | 1.3V ~ 5.5V | - | 0.93µA ~ 1.1µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-TSSOP | 
|   | RV-8263-C7-32.768KHZ-20PPM-TA-QCIC RTC CLK/CALENDAR I2C 8SON | 23,857 |  |  Datasheet | C7 | 8-WCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Programmable Clock Output, RAM, Timer | 1B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 0.9V ~ 5.5V | - | 0.24µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-SON (3.2x1.5) | 
|   | M41T0M6FIC RTC CLK/CALENDAR I2C 8SOIC | 4,895 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | - | - | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 2V ~ 5.5V | - | 1.2µA ~ 31µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T81SM6FIC RTC CLK/CALENDAR I2C 8SOIC | 9,089 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 2V ~ 3.5V | 100µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T81M6FIC RTC CLK/CALENDAR I2C 8SOIC | 10,812 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2V ~ 5.5V | 2.5V ~ 3.5V | 100µA @ 2V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | AB0815-T3IC RTC CLK/CALENDAR SPI 16QFN | 113,424 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | 256B | HH:MM:SS:hh | YY-MM-DD-dd | SPI | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | AB0805-T3IC RTC CLK/CALENDAR I2C 16QFN | 3,531 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | 256B | HH:MM:SS:hh | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | AB1805-T3IC RTC CLK/CALENDAR I2C 16QFN | 65,900 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger, Watchdog Timer | 256B | HH:MM:SS:hh | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 3.6V | 1.5V ~ 3.6V | 0.17µA ~ 0.22µA @ 1.8V ~ 3V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | M41T82RM6FIC RTC CLK/CALENDAR I2C 8SOIC | 3,840 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T56M6FIC RTC CLK/CALENDAR I2C 8SOIC | 8,886 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM | 56B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 4.5V ~ 5.5V | 2.5V ~ 3.5V | 100µA (Typ) @ 4.5V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T82ZM6FIC RTC CLK/CALENDAR I2C 8SOIC | 4,737 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.38V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T82SM6FIC RTC CLK/CALENDAR I2C 8SOIC | 4,424 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 3V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T00SM6FIC RTC CLK/CALENDAR I2C 8SOIC | 3,398 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 2V ~ 3.5V | 70µA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | RV-4162-C7-32.768KHZ-20PPM-TA-QCIC RTC CLK/CALENDAR I2C 8SON | 16,890 |  |  Datasheet | C7 | 8-WCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Programmable Clock Output, Watchdog Timer | - | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1V ~ 4.4V | - | 0.5µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-SON (3.2x1.5) | 
|   | M41T00M6FIC RTC CLK/CALENDAR I2C 8SOIC | 16,304 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 2V ~ 5.5V | 2.5V ~ 3.5V | 70µA @ 2V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | PCF8593T/1,118IC RTC CLOCK/CALENDAR I2C 8SO | 2,005 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, NVSRAM | 8B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.5V ~ 6V | - | 8µA ~ 15µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SO | 
|   | MAX31331EWC+TIC RTC CLK/CALENDAR I2C 12WLP | 4,044 |  |  Datasheet | - | 12-WFBGA, WLBGA | Tape & Reel (TR) | Active | Not Verified | 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 | - | - | 12-WLP (1.63x1.23) | 
|   | M41T11M6FIC RTC CLK/CALENDAR I2C 8SOIC | 6,676 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Leap Year, NVSRAM | 56B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 2V ~ 5.5V | 2.5V ~ 3.5V | 70µA @ 2V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
| .jpg)  | M41T83RQA6FIC RTC CLK/CALENDAR I2C 16QFN | 4,217 |  |  Datasheet | - | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (4x4) | 
|   | M41T83SQA6FIC RTC CLK/CALENDAR I2C 16QFN | 1,849 |  |  Datasheet | - | 16-VQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output, SRAM, Watchdog Timer | 7B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 3V ~ 5.5V | 2V ~ 5.5V | 10µA @ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (4x4) |