| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | PCF85063BTL/1,118 | NXP | Real Time Clock Serial Clock/Calendar/Alarm/Timer/Interrupt 10-Pin DFN EP T/R |
 | DS1646-120+ | Maxim | IC RTC CLK/CALENDAR PAR 32-EDIP |
 | DS1307N+ | Maxim | 56-Bit Real-Time Clock IC, I2C/SPI Interface, 5V, PDIP Package |
 | MCP795W10-I/ST | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm/Interrupt/Watchdog Timer/Battery Backup Automotive 14-Pin TSSOP Tube |
 | DS1251WP-120IND+ | Maxim | Clock IC Real-Time 512KB Surface Mount 3.3V 85°C |
 | M41T94MQ6F | Stmicroelectronics | SPI Real Time Clock (RTC) IC, 44B, SOIC, 2.7-5.5V, Industrial |
 | DS1742W-120+ | Maxim | RTC IC, Parallel Interface, 120ns Access, 2KB RAM, 3.3V |
 | M41T83ZMY6F | Stmicroelectronics | Industrial Real-Time Clock IC, 7B Memory, I2C/Series, 2.38V to 5.5V, -40°C to 85°C |
 | DS1685EN-3+ | Maxim | Real Time Clock, 242B Memory, 3V Operating Supply, TSSOP Package |
 | DS1338Z-3+ | Maxim | RTC IC, I2C, SOIC-8, 2.7-5.5V, YY-MM-DD, HH:MM:SS |
 | DS3234S# | Maxim | RTC IC SPI 32.8kHz 256B 5.5V SOIC |
 | RTC-72421B:ROHS | Epson | Real Time Clock DIP 5V 4.5-5.5V -10°C to 70°C Through Hole |
 | DS1558W+ | Maxim | IC RTC CLK/CALENDAR PAR 48-LQFP |
 | DS1340U-33+ | Maxim | I2C RTC, 3.3V, 32.768kHz, UMAX, SMT |
 | DS1678+ | Maxim | IC RTC EVENT REC I2C 8-DIP |
 | DS1685Q-5+T&R | Maxim | IC RTC CLK/CALENDAR PAR 28-PLCC |
 | DS1306N+ | Maxim | IC RTC CLK/CALENDAR SPI 16-DIP |
 | DS1248WP-120+ | Maxim | IC RTC PHANTOM PAR 34-PCM |
No Image | RV-3149-C3-32.768KHZ-OPTION-A-TB-QA | MICRO CRYSTAL AG | Micro Crystal RV-3149-C3 Real-Time Clock Module, 32.768kHz, SPI, ±6ppm Accuracy, Automotive AEC-Q200 |
No Image | RV-8063-C7-32.768KHZ-20PPM-TA-QC | MICRO CRYSTAL AG | Micro Crystal RV-8063-C7 32.768kHz RTC Module with SPI Interface |