Features: • Multiplexer Expansion by Tying Outputs Together• Non-Inverting 3-State Outputs• Input Clamp Diodes Limit High-Speed Termination Effects• AC Enhanced Version of the F257PinoutDescriptionThe MC74F257 is a quad 2-input multiplexer with 3-state outputs. Four bits of...
MC74F257A: Features: • Multiplexer Expansion by Tying Outputs Together• Non-Inverting 3-State Outputs• Input Clamp Diodes Limit High-Speed Termination Effects• AC Enhanced Version of th...
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Features: Operating range: 38 to 47 Gb/s (min.) (note)Signal regeneration with full-rate clock sig...
The MC74F257 is a quad 2-input multiplexer with 3-state outputs. Four bits of data of MC74F257A from two sources can be selected using a common Data Select input. The four outputs present the selected data in true (non-inverted) form. The outputs may be switched to a high impedance state with a HIGH on the common Output Enable (OE ) input, allowing the outputs to interface directly with bus oriented systems.