 | DS1244Y-70+ | Maxim | RTC IC, 70ns Access, 32KB, Parallel, 5V, 28-DIP |
 | M48T08Y-10MH1E | Stmicroelectronics | 5V RTC SRAM, 64Kbit, Parallel Interface, SOIC, 100ns Access |
 | M48T18-100PC1 | Stmicroelectronics | RTC IC, Parallel, 8KB NV RAM, 5V, 100ns Access |
 | M41T00M6F | Stmicroelectronics | RTC IC, Serial I2C, 8B Clock/Calendar, 5.5V, SOIC, 100kHz |
 | M48T37Y-70MH1E | Stmicroelectronics | RTC IC, 256Kb SRAM, 70ns, 5V, SOIC, Parallel Interface |
 | DS3232S# | Maxim | RTC I2C/Serial SOIC 32.768kHz 5.5V 70°C |
 | M48T58Y-70PC1 | Stmicroelectronics | RTC IC, Parallel, 8KB, 70ns, 5V, PDIP |
 | M48T35AV-10MH1F | Stmicroelectronics | 3.3V 256Kb 8b Parallel RTC SRAM, 100ns Access |
 | DS1302Z+ | Maxim | RTC IC, 3-Wire Serial, SOIC, 32.768MHz, 5.5V |
 | DS1216C | Maxim | RTC IC, Serial, 5V, 65ns Access, DIP-28 |
 | M48T35-70PC1 | Stmicroelectronics | 5V RTC SRAM, 32Kb, 70ns Access, Parallel Interface, PDIP |
 | ISL1220IUZ | Intersil | Low Power RTC IC, 8B SRAM, I2C, MSOP, Industrial |
 | M41T00SM6F | Stmicroelectronics | I2C Real Time Clock (RTC) SOIC 8B 400kHz 2.7-5.5V |
 | M41T56M6F | Stmicroelectronics | RTC IC, Serial I2C, 56B RAM, 5V, SOIC, Industrial |
 | ISL12027IB27AZ | Intersil | RTC IC, I2C, EEPROM, SOIC8, 2.7-5.5V, -40-85C |
 | DS1243Y-120+ | Maxim | RTC IC, 120ns, 64Kb SRAM, Parallel, 5V, DIP |
 | M41T83SQA6F | Stmicroelectronics | I2C Real Time Clock (RTC) - QFN, 3-5.5V, Industrial |
 | M41T94MQ6E | Stmicroelectronics | SPI/I2C Real-Time Clock (RTC) w/ 44B NVRAM, SOIC, Industrial |
 | DS3231SN# | Maxim | RTC IC, I2C, 32.768kHz, SOIC, 2.3-5.5V, 85°C |
 | M4T28-BR12SH1 | Stmicroelectronics | RTC IC, 32.768kHz, 2.8V, 48mAh, SOIC |
