| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1744W-120 | Maxim | 32KB Real Time Clock IC, Parallel Interface, Through Hole Mount, 0°C to 70°C |
No Image | DS1339AD+ | Maxim | Real Time Clock I2C/Series/Surface Mount 50-Piece Rail/Tube |
No Image | DS32C35-33IND# | Maxim | Real Time Clock DS32C35-33IND# 32.8kHz I2C/Surface Mount SOIC |
 | S-35192A-I8T1G | Ablic | 8-Pin Lead-Frame SMT RTC IC, Small Outline No Lead Thin Package |
 | DS1685QN-5/T&R | Maxim | IC RTC CLK/CALENDAR PAR 28-PLCC |
 | DS1340Z-33/T&R | Maxim | IC RTC CLK/CALENDAR I2C 8-SOIC |
 | M41ST84YMQ6E | Stmicroelectronics | IC RTC CLK/CALENDAR I2C 16-SOIC |
 | DS1315S-5/T&R | Maxim | IC RTC PHANTOM PAR 16-SOIC |
 | ISL1208IB8 | Intersil | 1 TIMER(S), REAL TIME CLOCK, PDSO8, SOIC-8 |
 | ISL12026IBZ | Intersil | Real Time Clock/Calendar with I<sup>2</sup>C Bus™ and EEPROM; SOIC8, TSSOP8; Temp Range: -40° to 85°C |
 | PCA8565BS/1,118 | NXP | Real Time Clock Serial 10-Pin HVSON EP T/R |
No Image | ISL12028IB27Z-T | Intersil | Real Time Clock/Calendar with I<sup>2</sup>C Bus™ and EEPROM; SOIC14, TSSOP14; Temp Range: -40° to 85°C |
No Image | M41T83SMY6E | Stmicroelectronics | Serial I²C bus real-time clock (RTC) with battery switchover |
 | ISL1209IU10-TK | Intersil | 2B I2C/SPI Bridge, MSOP, -40°C to 85°C, Surface Mount |
 | PCF8563P/F4 | NXP | IC 1 TIMER(S), REAL TIME CLOCK, PDIP8, 0.300 INCH, PLASTIC, MO-001, SOT97-1, DIP-8, Timer or RTC |
 | PCF8583U/5/F5,015 | NXP | Real Time Clock Serial 240byte Clock/Calendar/Alarm/Timer/Interrupt Die Wafer |
 | ISL1208IB8Z-TKR5291 | Intersil | IC RTC CLK/CALENDAR I2C 8-SOIC |
No Image | M41ST84WMQ6F | Stmicroelectronics | 1 TIMER(S), REAL TIME CLOCK, PDSO16, ROHS COMPLIANT, PLASTIC, SOP-16 |
 | DP8573AN | Texas Instruments | REAL TIME CLOCK |
 | RTC-7301SF | Epson | 32.768kHz Parallel Interface Real Time Clock IC, 7 Outputs, -40°C to 85°C |