 | DS1339AU+ | Maxim | 8-Pin uMAX RTC IC: Clock/Calendar/Alarm/Trickle Charger, 1.71-5.5V |
 | M41T93RMY6F | Stmicroelectronics | SPI RTC IC, 2.7-5.5V, SOIC, Industrial |
 | DS1338C-33# | Maxim | RTC IC, 3.3V, I2C/Serial, SOIC, 56B RAM, 85°C |
 | PCF2129AT/2,518 | NXP | RTC IC | Serial, I2C, SPI | 1.8-4.2V | SOP | Industrial |
 | PCF2129T/2,518 | NXP | RTC IC, Serial I2C SPI, 1.8-4.2V, -40-85C, SOP |
 | DS1315S-5+ | Maxim | SOIC-16 RTC IC, 5V, Parallel Interface, YY-MM-DD |
 | DS1744-70IND+ | Maxim | RTC IC, Parallel Interface, 32KB, 5V, -40°C to 85°C |
 | PCF8523T/1,118 | NXP | I2C RTC IC, 1MHz, SOIC, 1.2-5.5V, Industrial |
 | AB1815-T3 | Abracon | SPI RTC IC, 256B NVRAM, 1.7-3.6V, QFN, Industrial |
 | DS1305E+ | Maxim | RTC IC, SPI, 32.8kHz, 96B RAM, TSSOP, 2-5.5V |
 | M41ST85WMH6F | Stmicroelectronics | RTC IC, I2C/Serial, 64B NVRAM, 3.6V, SO, Industrial |
 | DS1672S-33+ | Maxim | 32-Bit Binary RTC IC, I2C/Serial, 3.3V, SOIC |
 | DS1687-5IND+ | Maxim | RTC IC, 5V, Parallel Interface, Clock/Calendar, Through Hole |
 | MCP79412-I/SN | Microchip | RTC IC, I2C, 64B Mem, 1.8-5.5V, SOIC, -40 to 85C |
 | MCP7940NT-I/SN | Microchip | RTC IC | I2C Serial | 1.8-5.5V | 64B Mem | SOIC | -40-85C |
 | DS1683S+T&R | Maxim | RTC IC: 8-Pin SOIC N, 2.5-5.5V, -40-85C, 16B RAM |
 | M41T93ZQA6F | Stmicroelectronics | SPI Real Time Clock (RTC) IC, 2.38-5.5V, QFN, Industrial |
 | DS1746W-120+ | Maxim | RTC IC, 128KB, Parallel Interface, 3.3V, Through Hole |
 | MCP7940NT-I/MNY | Microchip | I2C Real Time Clock (RTC) IC, 64B Memory, 1.8-5.5V, -40-85°C, DFN |
 | PCF8563TS/4,118 | NXP | I2C RTC IC, Clock/Calendar/Alarm/Timer, 1.8-5.5V, TSSOP |
