| Description | The MC74AC258/74ACT258 is a quad 2-input multiplexer with 3-state outputs. It selects four bits of data from two sources under control of a common Select input (S). When the Select input is LOW, the I0x inputs are selected and when Select is HIGH, the I1x inputs are selected. The data on the selected inputs appears at the outputs in inverted form. The MC74AC258/74ACT258 is the logic implementation... |
| Features |
a
3 I1a
4 Za
5 I0b
6 I1b
7 Zb
8 GND
TRUTH TABLE
Output Enable OE H L L L L
H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial Z = High Impedance
LOGIC SYMBOL
Select Input S X H H L L Data Inputs I0 X X X L H I1 X L H X X Outputs Z Z H L H L S Za Zb Zc Zd OE I0a I1a I0b I1b I0c I1c I0d I1d
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| Datasheet |
 MC74AC258 Datasheet - 138.27KB |
