The MM74HC257N is a 16-channel dual multiplexer from National Semiconductor, designed for industrial temperature operation. It features a 5V supply voltage and a propagation delay of 25ns. The device is packaged in a plastic DIP-16 package and has a load capacitance of 50pF. The multiplexer operates within a temperature range of -40°C to 85°C.
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| Max Operating Temperature | 85 |
| Number of Terminals | 16 |
| Min Operating Temperature | -40 |
| Terminal Position | DUAL |
| JEDEC Package Code | R-PDIP-T16 |
| Width | 7.62 |
| Length | 19.305 |
| Number of Functions | 4 |
| Temperature Grade | INDUSTRIAL |
| Supply Voltage-Nom (Vsup) | 5 |
| Supply Voltage-Max (Vsup) | 6 |
| Supply Voltage-Min (Vsup) | 2 |
| Logic IC Type | MULTIPLEXER |
| Family | HC/UH |
| Propagation Delay (tpd) | 25 |
| Max I(ol) | 0.006 |
| Prop. Delay@Nom-Sup | 29 |
| Load Capacitance | 50 |
| Output Polarity | TRUE |
| Number of Outputs | 1 |
| Number of Inputs | 2 |
| RoHS | No |
| HTS Code | 8542.39.00.01 |
| REACH | unknown |
| Military Spec | False |
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