 | DS1742-100+ | Maxim | IC RTC CLK/CALENDAR PAR 24-EDIP |
 | DS3234S# | Maxim | RTC IC SPI 32.8kHz 256B 5.5V SOIC |
 | DS1388Z-33+ | Maxim | I2C RTC, 3.3V, SOIC-8, 512B Mem, 32.8kHz |
 | M41T80M6F | Stmicroelectronics | Real Time Clock Serial 20byte Clock/Calendar/Alarm/Timer/Interrupt 8-Pin SO N T/R |
 | DS1338Z-3+ | Maxim | RTC IC, I2C, SOIC-8, 2.7-5.5V, YY-MM-DD, HH:MM:SS |
 | MCP7940M-I/P | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm Automotive 8-Pin PDIP Tube |
 | DS1501WEN+ | Maxim | IC RTC CLK/CALENDAR PAR 28-TSOP |
 | M41T93RMY6F | Stmicroelectronics | SPI RTC IC, 2.7-5.5V, SOIC, Industrial |
 | M41T93RMY6E | Stmicroelectronics | Serial SPI bus real-time clock (RTC) with battery switchover |
 | M41T81SM6F | Stmicroelectronics | RTC IC, I2C Serial, 20B Memory, SOIC, 2.7-5.5V |
 | BQ4845YS-A4N | Texas Instruments | RTC IC W NVSRAM Control, Watchdog Timer, uP Reset, Interrupts and Battery Low Warning 28-SOIC -40 to 85 |
 | M41T80M6E | Stmicroelectronics | Serial real-time clock (RTC) with alarm |
 | M48T37V-10MH1F | Stmicroelectronics | Parallel RTC IC, 3.3V, 100ns Access, SOIC, 250KB NV RAM |
 | MCP7940M-I/ST | Microchip | Real Time Clock Serial 64byte Clock/Calendar/Alarm Automotive 8-Pin TSSOP Tube |
 | BQ4802YDW | Texas Instruments | IC, REAL TIME CLOCK |
 | DS1216B | Maxim | MAXIM INTEGRATED PRODUCTS DS1216B SMART WATCH, 1216, DIL SOCKET-28 |
 | M48T35Y-70MH1F | Stmicroelectronics | RTC IC, 70ns, Parallel, 256KB, 5V, SOIC |
 | PCF8563T/F4,112 | NXP | PCF8563 - Real-time clock/calendar SOIC 8-Pin |
 | DS1340U-33+ | Maxim | I2C RTC, 3.3V, 32.768kHz, UMAX, SMT |
 | DS12885QN+ | Maxim | MAXIM INTEGRATED PRODUCTS DS12885QN+. RTC, BINARY OR BCD TIME, 12885, PLCC28 |
