Description
The HD74AC240/HD74ACT240 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter or receiver which provides improved PC board density.
Features
- 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers.
- Outputs Source/Sink 24 mA.
- HD74ACT240 has TTL-Compatible Inputs
Pin Arrangement
OE1 1 2 3 4 5 6 7 8 9 GND 10 (Top view)
20 VCC 19 OE2 18 17 16 15 14 13 12 11
HD74AC240/HD74ACT240
Truth Tables
Inputs OE1 L L H D L H X Outputs (Pins 12, 14, 16, 18) H L Z
Inputs OE2 L L H H L X Z : : : : High Voltage Level Low Voltage Level Immaterial High Impedance D L H X Outputs (Pins 3, 5, 7, 9) H L Z
DC Charac.
HD74AC240 Datasheet
