| 457201 | DS1337S | Serial real-time clock | Dallas Semiconductor |
| 457202 | DS1337S | Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457203 | DS1337S+ | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457204 | DS1337S+T&R | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457205 | DS1337S/T&R | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457206 | DS1337U | Serial real-time clock | Dallas Semiconductor |
| 457207 | DS1337U | Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457208 | DS1337U+ | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457209 | DS1337U+T&R | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457210 | DS1337U/T&R | I²C Serial Real-Time Clock | MAXIM - Dallas Semiconductor |
| 457211 | DS1338 | 2-Wire RTC with 56-Byte NV SRAM | MAXIM - Dallas Semiconductor |
| 457212 | DS1338C | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457213 | DS1338C-18 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457214 | DS1338C-18# | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457215 | DS1338C-3 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457216 | DS1338C-3# | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457217 | DS1338C-33 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457218 | DS1338C-33# | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457219 | DS1338C-33#-W | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
|
| 457220 | DS1338C-33#T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457221 | DS1338U | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457222 | DS1338U-18 | 1.8 V, I2C RTC with 56-byte NV RAM | MAXIM - Dallas Semiconductor |
| 457223 | DS1338U-18+ | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457224 | DS1338U-18+T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457225 | DS1338U-3 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457226 | DS1338U-3+ | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457227 | DS1338U-3+T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457228 | DS1338U-33 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457229 | DS1338U-33+ | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457230 | DS1338U-33+T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457231 | DS1338U-33+T&R/C01 | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457232 | DS1338U-33/T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457233 | DS1338Z | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457234 | DS1338Z-18 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457235 | DS1338Z-18+ | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457236 | DS1338Z-18+T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457237 | DS1338Z-3 | I2C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457238 | DS1338Z-3+ | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457239 | DS1338Z-3+T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
| 457240 | DS1338Z-3/T&R | I²C RTC with 56-Byte NV RAM | MAXIM - Dallas Semiconductor |
