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Beskrivning
The 74HCT257 are high-speed Si-gate CMOS devices and are pin compatible with Low-power Schottky TTL (LSTTL).
The 74HCT257 have four identical 2-input multiplexers with 3-state outputs, which select 4 bits of data from two sources and are controlled by a common data select input (S).
The data inputs from source 0 (1I0 to 4I0) are selected when input S is LOW and the data inputs from source 1 (1I1 to 4I1) are selected when S is HIGH. Data appears at the outputs (1Y to 4Y) in true (non-inverting) form from the selected inputs.
Features:
Non-inverting data path
3-state outputs interface directly with system bus
Mer information
Kapsel | DIP-16 |
---|---|
Kanaler | 4 |
Familj | 74HCT |
Funktion | Multiplexer |
Montering | Hålmonterad |