Hitachi HD74ACT244
The HD74AC244/HD74ACT244 is an octal buffer and line driver designed to be employed as a memory address driver, clock driver and bus-oriented transmitter/receive which provides improved PC board density. Features • 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers • Outputs Source/Sink 24 mA • HD74ACT244 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 HD74AC244/HD74ACT244 Truth Tables Inputs OE1 L L H D L H X...| Part No. | HD74ACT244 |
|---|---|
| Datasheet | HD74ACT244 Download |
| Manufacturer |  Hitachi |
| Description | Octal Buffer/Line Driver with 3-State Output |
| Buy | Stock & Price |
DESCRIPTION
FEATURES
● 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers● Outputs Source/Sink 24 mA
● HD74ACT244 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 HD74AC244/HD74ACT244 Truth Tables Inputs OE1 L L H D L H X Outputs (Pins 12, 14, 16, 18) L H 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) L H Z DC Characteristics (unless otherwise specified) Item Maximum quiescent supply current Maximum quiescent supply current Maximum additional ICC/input (HD74ACT244) Symbol I CC I CC I CCT Max 80 8.0 1.5 Unit µA µA mA Condition VIN = VCC or ground, VCC = 5.5 V, Ta = Worst case VIN = VCC or ground, VCC = 5.5 V, Ta = 25°C VIN = VCC – 2.1 V, VCC = 5.5 V, Ta = Worst case 2 HD74AC244/HD74ACT244 AC Characteristics: HD74AC244 Ta = +25°C CL = 50 pF Item Propagation delay Data to output Propagation delay Data to output Output...
