| Part Number | MM74HC157M | MM74HC257M |
|---|---|---|
| Manufacturer | Fairchild Semiconductor | National Semiconductor |
| Category | Logic - Signal Switches, Multiplexers, Decoders | Logic - Signal Switches, Multiplexers, Decoders |
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| Product Status | Obsolete | Active |
| Type | Multiplexer | Multiplexer |
| Circuit | 4 x 2:1 | 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 | -40°C ~ 85°C | -55°C ~ 125°C |
| Mounting Type | Surface Mount | Surface Mount |
| Package / Case | 16-SOIC (0.154", 3.90mm Width) | 16-SOIC (0.154", 3.90mm Width) |
| Supplier Device Package | 16-SOIC | 16-SOIC |