| 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 | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|   | PT7C433833UEXIC RTC CLK/CALENDAR I2C 8MSOP | 0 |  |  Datasheet | - | 8-TSSOP, 8-MSOP (0.118", 3.00mm Width) | 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-MSOP | 
|   | M41T50Q6FIC 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 | - | HH:MM:SS (24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.7V ~ 3.6V | - | 0.7µA @ 1.7V ~ 3.6V | -40°C ~ 85°C | Surface Mount | - | - | 16-QFN (3x3) | 
|   | S-35190A-T8T1GIC RTC CLK/CALENDAR SER 8TSSOP | 0 |  |  Datasheet | - | 8-TSSOP (0.173", 4.40mm Width) | Tape & Reel (TR) | Not For New Designs | 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 | - | - | 8-TSSOP | 
|   | S-35190A-J8T1GIC RTC CLK/CALENDAR SER 8SOP | 0 |  |  Datasheet | - | 8-SOIC (0.154", 3.90mm Width) | Tape & Reel (TR) | Not For New Designs | 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 | - | - | 8-SOP-J | 
|   | EM3028V3TP14ALINEAR IC | 0 |  |  Datasheet | - | 14-TSSOP (0.173", 4.40mm Width) | Tube | Active | - | Clock/Calendar | Alarm, EEPROM, Leap Year, Square Wave Output, Trickle-Charger | 43B | HH:MM:SS (12/24 hr) | YY-MM-DD-dd | I2C, 2-Wire Serial | 1.1V ~ 5.5V | 1.1V ~ 5.5V | 0.3µA ~ 0.4µA @ 1.1V ~ 5V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 14-TSSOP | 
|   | R2023T-E2-F2-WIRE SERIAL INTERFACE REAL TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2033T-E2-F3 WIRE INTERFACE REAL-TIME CLOCK | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2023L-E22-WIRE SERIAL INTERFACE REAL TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2043L-E24-WIRE SERIAL INTERFACE REAL TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2033L-E23 WIRE INTERFACE REAL-TIME CLOCK | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX8010SJ B0 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, RAM | 16B | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | 1.1V ~ 5.5V | 0.32µA ~ 0.35µA @ 3V ~ 5V | -40°C ~ 85°C | Surface Mount | - | - | 8-SOP | 
|   | R2061L03-E2IC RTC 3-WIRE 16QFN | 0 |  |  Datasheet | * | 16-XFQFN Exposed Pad | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | - | QFN023023-16 | 
|   | R2062L02-E23 WIRE INTERFACE REAL-TIME CLOCK | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Obsolete | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2051L01-E2IC RTC 2-WIRE 16QFN | 0 |  |  Datasheet | * | 16-XFQFN Exposed Pad | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | Surface Mount | - | - | QFN023023-16 | 
|   | R2051T01-E2-F2 WIRE INTERFACE REAL-TIME CLOCK | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | R2221L-E22-WIRE SERIAL INTERFACE REAL TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RS5C338A-E2-F3-WIRE SERIAL INTERFACE REAL-TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RV5C338A-E2-F3-WIRE SERIAL INTERFACE REAL-TIM | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RV5C386A-E2-FI2C BUS SERIAL INTERFACE REAL-TI | 0 |  |  Datasheet | * | - | Tape & Reel (TR) | Active | Not Verified | - | - | - | - | - | - | - | - | - | - | - | - | - | - | 
|   | RX8111CE B6IC RTC CLK/CALENDAR I2C 10SMD | 0 |  |  Datasheet | RX8111CE | 10-SMD, No Lead | Tape & Reel (TR) | Active | Not Verified | Clock/Calendar | Alarm | - | HH:MM:SS | YY-MM-DD | I2C | 1.6V ~ 5.5V | 1.1V ~ 5.5V | 3µA @ 3V | -40°C ~ 85°C (TA) | Surface Mount | - | - | 10-SMD |