| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS1501WN+ | Maxim | 256B Parallel RTC Clock IC 3.3V 3V 85°C PDIP Through Hole |
No Image | MD82C54/B | Renesas | 16-Bit Real-Time Clock IC, 8-Bit External Data Bus, 5V, DIP-24 |
 | ISL12028IBAZ-T | Intersil | Clock IC, Real Time, I2C/Series, 3.3V, SOIC-14 |
 | M41T50Q6F | Stmicroelectronics | Real Time Clock 16B I2C/SPI, 1.7V/3.6V, -40°C/85°C, QFN |
No Image | ISL12022MIBZR5421 | Intersil | ISL12022MIBZR5421 Real Time Clock, 5.5V 2.7V, -40°C 85°C, Rail/Tube 38 |
 | DS1672U-33 | Maxim | Real Time Clock, Non-Volatile, 0 Timer(s), CMOS, PDSO8, 3 MM, MICRO, SOP-8 |
 | DS1251W-120+ | Maxim | 120ns Clock IC, 0°C to 70°C, 3.3V to 5V, Through Hole, Lead Free |
 | DS17285E-3+ | Maxim | Real Time Clock, 2KB, 3V, 0°C to 70°C, Surface Mount, RoHS Compliant |
No Image | DS17487-3IND+ | Maxim | Real Time Clock 4KB 3V 2.7V -40°C 85°C Through Hole |
No Image | PCF85063AT/AAZ | NXP | 8-Pin Industrial Real-Time Clock Timer IC, 3.3V to 5.5V, -40°C to 85°C |
 | M48T12-200PC1 | Stmicroelectronics | Real Time Clock, 16000B, 0-70°C, 4.5-5.5V, Through Hole, DIP-24 |
 | DS1393U-18+ | Maxim | Real Time Clock, 1.8V, 50-Pin UMAX, -40°C to 85°C, RoHS Compliant |
No Image | ISL12022IBZ-T7A | Intersil | Industrial Grade Real-Time Clock IC, 128B Memory, 5.5V Supply, SOIC Package |
 | DS1500YE+ | Maxim | 5V 256B TSOP Surface Mount Real Time Clock IC |
No Image | HS9-82C54RH-Q | Renesas | 16-Bit Timer IC, 5V, 5MHz, 24-Pin DFP, Military Temperature Grade |
 | ISL12029IBZ-T | Intersil | Real Time Clock I2C/SPI, 512B Memory, 3.3V, SOIC-8 |
No Image | DS1554 | Maxim | 32-Pin DIP Real-Time Clock Timer IC, 0-70°C, 4.5-5.5V |
 | DS1251WP-120 | Maxim | 512KB Parallel RTC IC, 120ns Access Time, 0°C to 70°C, Surface Mount |
 | BQ3285S-SB2TRG4 | Texas Instruments | Clock IC Real-Time 114B 0°C-70°C 4.5V-5.5V Surface Mount SOIC |
No Image | HS1-82C54RH-8 | Renesas | 24-Pin DIP Programmable Timer IC, 16-Bit, 8-Bit External Bus, MIL-PRF-38535 Class Q |