| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1244WP-120IND | Maxim | 32KB Parallel RTC IC, 120ns Access Time, 85°C Max Temp, Surface Mount |
 | DS1554P-70 | Maxim | Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, POWERCAP MODULE-34 |
 | ISL1208IB8Z-T7A | Renesas | 8-Pin Industrial-Grade Real-Time Clock Timer IC, 3.3V, 0.032MHz, R-PDSO-G8 |
 | RX-8581SA:B3:ROHS | Epson | SOP Clock IC, I2C/Serial Interface, 1.8V to 5.5V, -40°C to 85°C |
 | DS1747WP-120 | Maxim | 512KB Parallel RTC IC, 0°C to 70°C, 2.97V to 3.63V |
No Image | RX8900CE:UA3 | Seiko | CMOS Real Time Clock (RTC) IC |
 | DS2415P+ | Maxim | IC RTC BINARY CNT SER 6-TSOC |
 | DS1251WP-120IND | Maxim | 120ns 120GHz Parallel Interface Clock IC, 512KB, -40°C to 85°C, Surface Mount |
 | DS12885SN | Maxim | Real Time Clock IC, 114B Memory, 4.5V to 5.5V, -40°C to 85°C |
 | DS1302Z+T&R/C07 | Maxim | Real Time Clock IC 3.3V 1.2mA 31B 0°C to 70°C SO Package |
 | ISL1208IU8-TK | Intersil | I2C/SPI Bridge, 2B Memory, MSOP-8, -40°C to 85°C |
No Image | PCF2123U/12HA/1,00 | NXP | Real Time Clock, 1.1V to 5.5V, -40°C to 85°C, Die Form |
 | DS1302 | Maxim | Real Time Clock Timer IC 0.032 MHz 3.3V 5.5V DIP-8 |
 | DS1307Z | Maxim | 8-Pin SOIC-8 Real Time Clock IC, 5V, 32 kHz, Commercial Temperature |
 | TS3004ITD1033T | Silicon Labs | 10-Pin DFN-10 Industrial Timer IC, 1.55V to 5.25V, 0.3 MHz |
 | RTC72423B | Epson | Real Time Clock RTC, Parallel Interface, -40°C to 85°C, 4.5V to 5.5V |
 | DS17887-3-IND | Maxim | IC RTC CLK/CALENDAR PAR 24-EDIP |
No Image | PT7C4337ZEEX | Diodes | Real Time Clock, Volatile, 1 Timer(s), CMOS, PDSO8, GREEN, MO-229, TDFN-8 |
 | DS1341T+ | Maxim | Real Time Clock I2C RTC |
 | DS1500YEN | Maxim | Real Time Clock, Non-Volatile, 1 Timer(s), CMOS, PDSO32, 8 X 20 MM, TSOP-32 |