| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | RX4901CE XB C00IC RTC CLK/CALENDAR SPI 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX4901CE XB B00IC RTC CLK/CALENDAR SPI 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX4901CE XB A00IC RTC CLK/CALENDAR SPI 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX8901CE XB A00IC RTC CLK/CALENDAR I2C 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX8901CE XB B00IC RTC CLK/CALENDAR I2C 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX4901CE XB D00IC RTC CLK/CALENDAR SPI 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | AB0803-T3IC RTC CLK/CALENDAR I2C 16QFN | 0 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | 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) | 
|   | AB0813-T3IC RTC CLK/CALENDAR SPI 16QFN | 0 |  |  Datasheet | - | 16-VFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, SRAM, Trickle-Charger | 64B | 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) | 
|   | AB1811-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) | 
|   | AB1801-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) | 
|   | RX8900CEUA6IC RTC CLK/CALENDAR I2C 10SMD | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | M41T62Q6FIC 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) | 
|   | RX-4035SAAA0 PURE SNIC RTC TIME EVENT REC SPI 14SOP | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX-4035SAAC0 PURE SNIC RTC TIME EVENT REC SPI 14SOP | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | M41ST84WMQ6EIC RTC CLOCK/CALENDAR I2C 16SO | 0 |  |  Datasheet | - | 16-SOIC (0.154", 3.90mm Width) | Tube | Obsolete | Not Verified | Clock/Calendar | Alarm, Leap Year, NVSRAM, Square Wave Output, Supervisor, Watchdog Timer | 44B | HH:MM:SS:hh (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 2.7V ~ 3.6V | 2.5V ~ 3.5V | 0.5mA @ 2.7V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 16-SO | 
|   | RX8010SJ:B3 PURE SNIC RTC CLOCK/CALENDAR I2C 8SOP | 0 |  |  Datasheet | RX8010SJ | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 16B | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.6V ~ 5.5V | - | 0.32µA ~ 0.35µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOP | 
|  | V3020XSO8A+IC RTC CLK/CALENDAR SER 8SOIC | 0 |  | - | - | 8-SOIC (0.154", 3.90mm Width) | Tube | Last Time Buy | Not Verified | Clock/Calendar | Alarm, Leap Year, RAM | 1B | HH:MM:SS:hh (12/24 hr) | YY-MM-DD-dd | 3-Wire Serial | 1.2V ~ 5.5V | - | 7µA @ 5V | -40°C ~ 125°C (TA) | Surface Mount | - | - | 8-SOIC | 
|   | M41T81MX6IC 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, 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 | 
|   | RX-8025NBAC0 PURE SNIC RTC CLK/CALENDAR I2C 22SON | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX-8025NBAA0IC RTC CLK/CALENDAR I2C 22SON | 0 |  |  Datasheet | - | - | Tape & Reel (TR) | Active | - | - | - | - | - | - | - | - | - | - | - | - | - | - | - |