| Компонент | Описание | Производитель | PDF | Buy |
| DS1338U-33 | I2C RTC with 56-Byte NV RAM | Maxim Integrated Products |  |  |
| DS1339U-33 | Serial Real-Time Clock | Dallas Semiconductor | | |
| DS1339U-33 | I2C Serial Real-Time Clock | Dallas Semiconductor | | |
| DS1339U-33 | I2C Serial Real-Time Clock | Maxim Integrated Products | | |
| DS1340U-33 | I2C RTC with Trickle Charger | Maxim Integrated Products | | |
| DS1340U-33 | I2C RTC with Trickle Charger | Maxim Integrated Products | | |
| DS1374U-33 | I2C, 32-Bit Binary Counter Watchdog RTC with Trickle Charger and Reset Input/Output | Maxim Integrated Products | | |
| DS1390U-33 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger | Maxim Integrated Products | | |
| DS1391U-33 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger | Maxim Integrated Products | | |
| DS1392U-33 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger | Maxim Integrated Products | | |
| DS1393U-33 | Low-Voltage SPI/3-Wire RTCs with Trickle Charger | Maxim Integrated Products | | |
| DS1672U-33 | Low Voltage Serial Timekeeping Chip | Dallas Semiconductor | | |
| DS1672U-33 | I2C 32-Bit Binary Counter RTC | Maxim Integrated Products | | |
| DS1338U-33 | I2C RTC with 56-Byte NV RAM | Maxim Integrated Products | | |
| DS1338U-33+ | I2C RTC with 56-Byte NV RAM | Maxim Integrated Products | | |
| DS1338U-33+ | I2C RTC with 56-Byte NV RAM | Maxim Integrated Products | | |
| DS1339U-33+ | I2C Serial Real-Time Clock Trickle-Charge Capability | Maxim Integrated Products | | |
| DS1339U-33+ | I2C Serial Real-Time Clock | Dallas Semiconductor | | |
| DS1339U-33+ | I2C Serial Real-Time Clock | Maxim Integrated Products | | |
| DS1340U-33+ | I2C RTC with Trickle Charger | Maxim Integrated Products | | |
