| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1486-120 | Maxim | 128KB Real-Time Clock IC, 5V, 5.5V, 0°C to 70°C, Through Hole, DIP |
 | BQ4845YP-A4E3 | Texas Instruments | Clock IC Real Time 5V 4.5V 5.5V PDIP Through Hole -40°C 70°C |
No Image | R2025D | Ricoh | Real Time Clock, CMOS, 6.10 X 5 MM, 1.30 MM HEIGHT, SON-22/20 |
 | DS1685EN-5 | Maxim | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO24, 0.173 INCH, TSSOP-24 |
 | DS1302SN-16 | Maxim | Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDSO16, 0.300 INCH, SOIC-16 |
 | DS12885Q+ | Maxim | Real-Time Clock IC, 114B, 5V, Surface Mount, PLCC |
 | DS1486P-120 | Maxim | Real Time Clock 128KB 5V Surface Mount Module |
 | ISL12025IVZ-T | Intersil | TSSOP8 Surface Mount Clock IC, 3.3V, -40°C to 85°C, I2C/Serial |
 | STK17T88-RF45 | Cypress | 256Kb NVSRAM IC, 8b Parallel Interface, 45ns Access Time, SSOP-48 |
No Image | RV5C348B | Ricoh | Industrial 10-Pin Real-Time Clock Timer IC, 2.8x2.9mm LSSOP Package |
No Image | HS9-82C54RH-8 | Renesas | 24-Bit Timer IC, 16-Bit Programmable, 5V, 24-Pin DFP Package, MIL-PRF-38535 Class Q |
No Image | ISL12022MAIBZ | Renesas | 20-Pin Industrial-Grade Real-Time Clock IC, 2.7V to 5.5V, 20-Pin SOP |
 | DS1284 | Maxim | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDIP28, 0.600 INCH, PLASTIC, DIP-28 |
No Image | M41T00M6TR | Stmicroelectronics | 0 TIMER(S), REAL TIME CLOCK, PDSO8, 0.150 INCH, PLASTIC, SOIC-8 |
No Image | ISL12026AIVZ | Intersil | Real Time Clock REAL TIME CLK/CLNDR W/EEPROM IN 8LD |
 | M41T81MX6 | Stmicroelectronics | Real Time Clock I2C/Series 20B 2V 5.5V SOIC Surface Mount |
 | DP8570AVX | Texas Instruments | Clock IC Real-Time 44B 5V 4.5V -40°C 85°C Surface Mount PLCC |
 | DS1248WP-120IND | Maxim | Real Time Clock, Non-Volatile, CMOS, POWERCAP, MODULE-34 |
No Image | HS1-82C54RH-Q | Renesas | CMOS Programmable Interval Timer |
No Image | MCP7940N-E/SN | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm/Battery Backup Automotive 8-Pin SOIC N Tube |