| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1343E-18+ | Maxim | Real Time Clock Low-Current SPI/3-Wire RTC |
 | ISL1208IU8Z-T7A | Renesas | I2C® Real Time Clock/Calendar, Low Power RTC with Battery Backed SRAM |
 | DS1343D-18+T&R | Maxim | Real Time Clock Low-Current SPI/3-Wire RTC |
 | DS3232MZ+ | Maxim | RTC IC, I2C, 2.3-4.5V, -40 to 85C, SOIC, Clock/Calendar |
 | DS1371U+C01 | Maxim | IC RTC BINARY CNT I2C 8-USOP |
 | ISL12058IUZ-T | Intersil | Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS |
 | IP82C54-10Z | Renesas | 16-Bit Timer IC, 8-Bit External Data Bus, 10 MHz Clock, Industrial Temperature, 24-Pin PDIP |
 | DS17885-5+ | Maxim | 8KB Real-Time Clock IC, 5V, DIP Package, Through Hole Mount, 0-70°C |
 | DS1672S-3+ | Maxim | Real Time Clock, Binary Date/Time, I2C/Ser, 2-Wire, SOIC-8 |
 | IP82C54Z | Renesas | 24-Bit Dual Timer IC, 5V, 8MHz, 24-Pin PDIP |
No Image | BQ4802LYDWRG4 | Texas Instruments | Y2K-Compliant Parallel RTC with CPU Supervisor and External NVSRAM Control, 3V Vcc 28-SOIC 0 to 70 |
No Image | CS82C54-10Z96 | Renesas | CMOS Programmable Timer IC, 10MHz, 28-Pin PQCC |
 | DS1672S-2+ | Maxim | IC RTC BINARY CNT I2C 8-SOIC |
 | ISL12022MAIBZ-T | Renesas | Low Power RTC Module with Battery Backed SRAM, Integrated ±5ppm Temp Compensation and Crystal |
 | DS1390U-3+ | Maxim | SPI RTC IC, 3.3V, MSOP, Clock/Calendar |
 | RV-8564-C2 | Micro Crystal | MICRO CRYSTAL - RV-8564-C2 - REAL-TIME-CLOCK MODULE SMD 32.768KHZ |
 | ISL12058IRTZ-T | Intersil | Real Time Clock REAL TIME CLK W/ ALARM & TIMR FUNCTNS |
 | DS1339BU+ | Maxim | Real Time Clock I2C/SPI, 2-Wire, 3.3V/2.7V, Surface Mount UMAX |
 | PCF8583PN | NXP | PCF8583PN Real Time Clock IC, 240B Memory, 6V 10mA PDIP |
No Image | CS82C54Z96 | Renesas | CMOS Programmable Timer IC, 8-Bit, 28-Pin PQCC |