| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | M41T60Q6FIC RTC CLK/CALENDAR I2C 16QFN | 0 |  | - | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 4.4V | - | 0.7µA ~ 0.95µA @ 3.6V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|  | DS1682S/T&RIC RTC ELAPSED CNT I2C 8SOIC | 0 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Elapsed Time Counter | Alarm, EEPROM | 10B | Binary | Binary | I2C, 2-Wire Serial | 2.5V ~ 5.5V | - | 4µA ~ 15µA @ 3V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | RX-8035SAAA0 PURE SNIC RTC TIME EVENT REC I2C 14SOP | 0 |  |  Datasheet | RX-8035SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Active | - | Clock/Calendar | Alarm | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C | 2.4V ~ 5.5V | 1V ~ 5.5V | 2.5µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
|   | AB0811-T3IC RTC CLK/CALENDAR SPI 16QFN | 0 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | 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) | 
|   | AB0801-T3IC RTC CLK/CALENDAR I2C 16QFN | 0 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Trickle-Charger | - | 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) | 
|   | RTC-4543SA:B3 ROHSIC RTC CLK/CALENDAR SER 14SOP | 0 |  |  Datasheet | RTC-4543SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Leap Year | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | 3-Wire Serial | 2.5V ~ 5.5V | - | 1µA ~ 3µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
|   | RV-8523-C3-32.768KHZ-10PPM-TA-QCIC RTC CLK/CALENDAR I2C 10SON | 0 |  |  Datasheet | C3 | 10-VCDFN | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Battery Switch, Leap Year, Programmable Clock Output, Timer, Watchdog Timer | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.2V ~ 5.5V | - | 0.18µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) | 
|   | RX-8025SA:AA0:ROHSIC RTC CLK/CALENDAR I2C 14SOP | 0 |  |  Datasheet | RX-8025SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | 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 | 
|   | M41T94MQ6EIC RTC CLK/CALENDAR SPI 16SO | 0 |  |  Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVRAM, Square Wave Output, Watchdog Timer | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | SPI | 2.7V ~ 5.5V | 2.5V ~ 3.5V | 1.4mA @ 2.7V ~ 5.5V | -40°C ~ 85°C | Surface Mount | - | - | 16-SO | 
|   | 1337GDCGIIC RTC CLK/CALENDAR I2C 8SOIC | 0 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tube | 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 | 1.8V ~ 5.5V | - | 0.6µA @ 1.3V ~ 1.8V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOIC | 
|   | M41T64Q6FIC RTC CLK/CALENDAR I2C 16QFN | 0 |  |  Datasheet | Timekeeper® | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | 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 | 1.3V ~ 4.4V | - | 0.7µA ~ 0.95µA @ 1.3V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | M41T66Q6FIC RTC CLK/CALENDAR I2C 16QFN | 0 |  | - | Timekeeper® | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | 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 | 1.5V ~ 4.4V | - | 0.9µA ~ 1.1µA @ 1.5V ~ 4.4V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | DS1306EN/T&RIC RTC CLK/CALENDAR SPI 20TSSOP | 0 |  |  Datasheet | - | 20-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Trickle-Charger | 96B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 2V ~ 5.5V | 2V ~ 5.5V | 25.3µA ~ 81µA @ 2V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 20-TSSOP | 
|   | RV-3129-C3-32.768KHZ-OPTION-A-TA-QC-T3TIMING REAL TIME CLOCK | 0 |  |  Datasheet | C3 | 10-VCDFN | Bulk | Active | - | Clock/Calendar | Alarm, EEPROM, RAM, Trickle Charger | 8B | HH:MM:SS | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V, 2.1V ~ 5.5V | - | 1µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) | 
|  | PT7C4363BZEEXIC RTC CLK/CALENDAR I2C 8TDFN | 0 |  |  Datasheet | - | 8-WFDFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, Square Wave Output | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.3V ~ 5.5V | - | 0.85µA ~ 0.9µA @ 3V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 8-TDFN (2x3) | 
|   | RX6110SA:BB PURE SNIC RTC CLK/CALENDAR I2C 14SOP | 0 |  |  Datasheet | RX6110SA | 14-SOIC (0.197", 5.00mm Width) | Tube | Active | Not Verified | Clock/Calendar | Alarm, SRAM | 16B | - | - | I2C, SPI | 1.6V ~ 5.5V | - | 0.25µA @ 3V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
|   | RV-1805-C3-32.768KHZ-2PPM-TA-QCIC RTC CLK/CALENDAR I2C 10SON | 0 |  |  Datasheet | - | 10-VCDFN | Tape & Reel (TR) | Not For New Designs | Not Verified | Clock/Calendar | Alarm, Programmable Clock Output, RAM, Timer, Trickle Charger, Watchdog Timer | 256B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.5V ~ 3.6V | - | 0.08µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SON (3.7x2.5) | 
|   | RX8111CE BBIC RTC CLK/CALENDAR I2C 10SMD | 0 |  |  Datasheet | RX8111CE | 10-SMD, No Lead | Bulk | Active | Not Verified | Clock/Calendar | Alarm, RAM | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | - | 3µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SMD | 
|  | RX-4045SA:AA0IC RTC CLK/CALENDAR SPI 14SOP | 0 |  |  Datasheet | RX-4045SA | 14-SOIC (0.197", 5.00mm Width) | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year | - | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | SPI | 1.7V ~ 5.5V | - | 1.2µA ~ 1.8µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 14-SOP | 
|   | V3020XSO8B+LINEAR IC | 0 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Last Time Buy | - | Clock/Calendar | Leap Year, RAM | 1B | HH:MM:SS | YY-MM-DD-dd | 3-Wire Serial | 1.2V ~ 5.5V | - | 0.49µA ~ 0.6µA @ 3V ~ 5V | -40°C ~ 125°C (TA) | Surface Mount | - | - | 8-SOIC |