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HD74AC538 Datasheet, PDF (3/10 Pages) Hitachi Semiconductor – 1-of-8 Decoder with 3-State Output
Pin Names
A0 to A2 Address Inputs
E1, E2 Enable Inputs (Active LOW)
E3, E4 Enable Inputs (Active HIGH)
P
Polarity Control Input
OE1, OE2 Output Enable Inputs (Active LOW)
O0 to O7 3-State Outputs
Logic Diagram
A2
A1
A0
E1
E2
E3
E4
P
HD74AC538
OE1
OE2
O0
O1
O2
O3
O4
O5
O6
O7
3