| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | M48T212V-85MH1E | Stmicroelectronics | 28-Pin SOIC Real Time Clock, 85ns Access Time, 3.3V, 10mA |
 | ISL12032IVZ-T | Intersil | Real Time Clock, 128B, I2C/Series, 2.7V to 5.5V, TSSOP-8 |
 | M48T59Y-70MH1E | Stmicroelectronics | 70ns Clock IC, 64000B, 4.5-5.5V, 0-70°C, SOIC-28 |
 | DS1557WP-120 | Maxim | 512KB Parallel RTC IC, 3.3V, 0°C to 70°C, Surface Mount |
 | M41ST95WMX6 | Stmicroelectronics | 28-Pin Surface Mount Clock IC, 3.3V, 44B, SOIC-28 Package |
No Image | IS82C54Z96 | Renesas | CMOS Programmable Interval Timer |
No Image | RV5C386A | Ricoh | Real Time Clock, 0 Timer(s), CMOS, PDSO10, 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |
 | ISL12032IVZ | Intersil | Low Power RTC with Battery Backed SRAM and 50/60 Cycle AC Input and Xtal Back-up; TSSOP14; Temp Range: -40° to 85°C |
 | ISL12029IV27Z | Intersil | IC RTC CLK/CALENDAR I2C 14-TSSOP |
 | UPD4991AGS-A | Renesas | RTC IC, 32kHz, 5.5V, SOP20, CMOS, Industrial |
No Image | S-35390A-T8T1U | Ablic | Real Time Clock, 1 Timer(s), CMOS, PDSO8, HALOGEN FREE AND LEAD FREE, TSSOP-8 |
 | BQ4845YP-A4 | Texas Instruments | 1 TIMER(S), REAL TIME CLOCK, PDIP28, 0.600 INCH, ROHS COMPLIANT, PLASTIC, DIP-28 |
No Image | RV5C338A | Ricoh | Real Time Clock, Volatile, CMOS, PDSO10, 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |
No Image | 8406501JA | Renesas | CMOS Programmable Interval Timer |
 | DS1747W-120IND | Maxim | Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, EDIP MODULE-32 |
No Image | CS82C54-12Z96 | Renesas | CMOS Programmable Interval Timer |
 | M48T35Y-70MH6F | Stmicroelectronics | 5 V, 256 Kbit (32 Kb x 8) TIMEKEEPER® SRAM |
No Image | RV5C348A | Ricoh | Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO10, 4 X 2.90 MM, 1.20 MM HEIGHT, 0.50 MM PITCH, SSOP-10 |
 | M41T256YMH7F | Stmicroelectronics | 0 TIMER(S), REAL TIME CLOCK, PDSO44, 0.330 INCH, LEAD FREE, PLASTIC, SOH-44 |
No Image | RV5C387A | Ricoh | Real Time Clock, Volatile, 0 Timer(s), CMOS, PDSO10, 4 X 2.90 MM, 1.20 MM HEIGHT, SSOP-10 |