 | M48T37V-10MH1F | Stmicroelectronics | Parallel RTC IC, 3.3V, 100ns Access, SOIC, 250KB NV RAM |
 | MCP79510-I/MS | Microchip | SPI RTC IC, 1.8-3.6V, 64B Mem, -40-85°C, MSOP |
 | DS1685S-5+ | Maxim | RTC IC, 5V, Parallel Interface, 242B Memory, SOIC |
 | M41ST87WMX6TR | Stmicroelectronics | RTC IC | I2C/Serial | 160B NVRAM | SOIC | Industrial |
 | MCP7940N-I/MS | Microchip | I2C RTC IC, 64B Mem, Auto, -40C to 85C, 1.8-5.5V, MSOP |
 | DS12887A+ | Maxim | RTC IC, 5V, 128B RAM, Parallel Interface, DIP |
 | DS1339U-33+ | Maxim | RTC IC, 3.3V, I2C/Serial, 32.8kHz, MSOP |
 | DS1302ZN+T&R | Maxim | 3-Wire Serial RTC IC, 3.3V, 8SOIC, -40°C to 85°C |
 | DS1511W+ | Maxim | RTC IC, 3.3V, Parallel Interface, 256B Memory, DIP |
 | PCF8523TK/1,118 | NXP | I2C RTC IC, Clock/Calendar/Alarm, 1.2-5.5V, HVSON, Industrial |
 | DS1683S+ | Maxim | 8-Pin SOIC N RTC: Clock/Calendar/Time/Temp/Alarm, 16B RAM, 2.5-5.5V |
 | DS1305EN+T&R | Maxim | RTC IC SPI 5V 96B TSSOP Tape & Reel |
 | DS1339AU+T | Maxim | 8-Pin uMAX RTC: Clock/Calendar/Alarm/Trickle Charger, 1.71-5.5V |
 | DS1337S+T&R | Maxim | RTC IC, I2C, 1.8-5.5V, 8-SOIC, Real Time Clock |
 | DS1305+ | Maxim | RTC IC, SPI, 32.8kHz, 5.5V, DIP |
 | M48T35Y-70MH1F | Stmicroelectronics | RTC IC, 70ns, Parallel, 256KB, 5V, SOIC |
 | DS1339U-33+T&R | Maxim | RTC IC, I2C, 3.3V, UMAX, Tape & Reel |
 | DS1682S+ | Maxim | RTC IC, I2C/Serial, Binary, 2.5-5.5V, 8-SOIC, Surface Mount |
 | DS1340Z-3+ | Maxim | RTC IC, I2C, 3V, 8-SOIC, Clock/Calendar |
 | DS1339C-33# | Maxim | RTC IC, I2C, 3.3V, SOIC, Clock/Calendar |
