| Part Number | M74HC251B1R | M74HC257B1R |
|---|---|---|
| Manufacturer | STMicroelectronics | STMicroelectronics |
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders |
|
|
|
| Product Status | Obsolete | Obsolete |
| Type | Multiplexer | Multiplexer |
| Circuit | 1 x 8:1 | 4 x 2:1 |
| Independent Circuits | 1 | 1 |
| Current - Output High, Low | 5.2mA, 5.2mA | 7.8mA, 7.8mA |
| Voltage Supply Source | Single Supply | Single Supply |
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) |
| Supplier Device Package | 16-DIP | 16-DIP |