| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1248W-120IND | Maxim | 128KB Real-Time Clock IC, 120ns Access Time, Through Hole Mount, -40°C to 85°C |
 | DS1687 | Maxim | 3V/5V REAL-TIME CLOCKS |
 | DS1244W-120IND | Maxim | 28-Pin DIP Real-Time Clock IC, 32KB Memory, 120ns Access Time |
No Image | ISL12027IBAZ | Intersil | Clock IC I2C/Ser 3.3V 2.7V 5.5V -40°C 85°C SOIC |
 | M41T11MH6E | Stmicroelectronics | 28-Pin Industrial Grade Real Time Clock IC, 3.3V to 5.5V, SOH-28 Package |
 | DS2415P | Maxim | Real Time Clock IC, Binary Date/Time, 1-WIRE Serial Interface, Surface Mount |
 | DS1672S-3 | Maxim | Real Time Clock I2C/SPI Counter, 3V, SOIC, -40°C to 85°C |
 | DS1673E-5 | Maxim | TSSOP-20 0°C to 70°C Serial 3-Wire Clock IC |
 | BQ3287MT-I | Texas Instruments | Real Time Clock IC, 114B Memory, 5V Supply, Through Hole Mount, DIP Package |
No Image | M41T82SM6E | Stmicroelectronics | Real Time Clock I2C/SPI, 7B Memory, 3V-5.5V, SOIC-8 |
 | DS1743P-85IND+ | Maxim | 8KB Parallel Clock IC, 5V, 85°C, Surface Mount, RoHS Compliant |
 | DS1670E/T&R | Maxim | Real-Time Clock IC, 3.3V, TSSOP, 0°C to 70°C |
 | DS1302S/T&R | Maxim | Real Time Clock IC 0°C to 70°C, 2V to 5.5V, 31B SOIC |
 | DS1340Z-18+ | Maxim | RTC IC, I2C, 1.8V, SOIC, Clock/Calendar |
No Image | DS1339AD+T | Maxim | Real Time Clock 1.8-3.3V Serial RTC |
 | DS1558W | Maxim | IC RTC CLK/CALENDAR PAR 48-LQFP |
No Image | DS32B35-33IND# | Maxim | MAXIM INTEGRATED PRODUCTS DS32B35-33IND# IC, RTC, ACCURATE I2C, SMD, SOIC20 |
 | DS1342T+T&R | Maxim | IC RTC I2C W/ALARM 6TDFN |
 | DS1248WP-120 | Maxim | REAL TIME CLOCK, DMA34, POWERCAP, MODULE-34 |
No Image | ISL12082IB8Z | Intersil | IC RTC CLK/CALENDAR I2C 8-SOIC |