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| PartNumber | 74F257AD | 74F257AD SOP3.9 | 74F257ADJ |
| Description | Multiplexer, F/FAST Series, 4-Func, 2 Line Input, 1 Line Output, True Output, TTL, CDIP16 | ||
| Manufacturer | PHILIPS | PHILIPS | - |
| Product Category | Logic - Signal Switches, Multiplexers, Decoders | IC Chips | - |