| Image | Part Number | Manufacturer | Description |
|---|---|---|---|
 | DS12C887+ | Maxim | RTC IC, DIP, Parallel Interface, 5V, 113B Memory |
 | MCP79400T-I/ST | Microchip | REAL TIME CLOCK, PDSO8, 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8 |
 | DS1372U+ | Maxim | Real Time Clock I2C 32 bit Binary Counter w/64 Bit ID |
 | MCP79520T-I/MN | Microchip | Microchip MCP79520T-I/MN, Real Time Clock, 64B RAM Serial-SPI, 10-Pin TDFN |
 | MCP79401T-I/ST | Microchip | REAL TIME CLOCK, PDSO8, 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8 |
 | MCP79402T-I/SN | Microchip | Real Time Clock I2C/SPI Bridge, 64B FIFO, 5.5V, SOIC-8 |
 | M41T83ZQA6F | Stmicroelectronics | Real Time Clock 7B, I2C/Series, Surface Mount QFN |
 | MCP79521T-I/MN | Microchip | Microchip MCP79521T-I/MN, Real Time Clock, 64B RAM Serial-SPI, 10-Pin TDFN |
 | DS1305N+ | Maxim | IC RTC CLK/CALENDAR SPI 16-DIP |
 | MCP79402-I/ST | Microchip | REAL TIME CLOCK, PDSO8, 4.40 MM, ROHS COMPLIANT, PLASTIC, TSSOP-8 |
 | MCP795W12-I/ST | Microchip | REAL TIME CLOCK, PDSO14, 4.4 MM, LEAD FREE, PLASTIC, TSSOP-14 |
 | MCP79521-I/MS | Microchip | Real Time Clock 64B MSOP-10 1.8V 3.6V -40°C 85°C |
 | DS1244WP-120+ | Maxim | 32KB Parallel Clock IC, 120ns Access Time, 3.3V, Surface Mount, 0-70°C |
 | DS1340U-3+ | Maxim | Real Time Clock I2C/SPI 2-Wire 3V 85°C Surface Mount |
 | M41T00SM6E | Stmicroelectronics | I2C Real-Time Clock (RTC) SOIC 32.768kHz 5.5V |
No Image | M41T82ZM6F | Stmicroelectronics | RTC IC | I2C | 32B RAM | SOIC | 5.5V |
 | DS1553WP-120+ | Maxim | 8KB Real Time Clock IC, 3.3V, 3.6V, 0°C to 70°C, Surface Mount |
 | DS1248W-120+ | Maxim | 128KB Real Time Clock IC, 3.3V, Through Hole, 0°C to 70°C, RoHS Compliant |
 | DS1343E-18+T&R | Maxim | IC RTC CLK/CALENDAR SPI 20-TSSOP |
 | MCP79400-I/ST | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm/Battery Backup Automotive 8-Pin TSSOP Tube |