HD74ACT126
HD74ACT126 is Quad Buffer/Line Driver with 3-State Output manufactured by Hitachi Semiconductor.
Description
The HD74AC126/HD74ACT126 is an quad buffer and line driver designed to be employed as a memory address driver, clock driver and bus oriented transmitter/receiver which provides improved PC board density.
Features
- 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
- Outputs Source/Sink 24 m A
- HD74ACT126 has TTL-patible Inputs
Pin Arrangement
E 1 D 2 O 3 E 4 D 5 O 6 GND 7 (Top view)
14 VCC 13 E 12 D 11 O 10 E 9 D 8 O
HD74AC126/HD74ACT126
Logic Symbol
Pin Names
D E O Data Inputs 3-State Output Enable Inputs (Active High) Outputs
Truth Table
Inputs E H H L H L X Z : : : : High Voltage Level Low Voltage Level Immaterial High Impedance D L H X Output L H Z
DC Characteristics (unless otherwise specified)
Item Maximum Quiescent Supply Current Maximum Quiescent Supply Current Maximum ICC/Input (HD74ACT126) Symbol I CC I CC I CCT Max 80 8.0 1.5 Unit µA µA m A 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
HD74AC126/HD74ACT126
AC Characteristics: HD74AC126
Ta = +25°C CL = 50 p F Item Propagation Delay Symbol t PLH VCC (V)- 1 3.3 5.0 Propagation Delay t PHL 3.3 5.0 Enable Time t PZL 3.3 5.0 Enable Time t PHZ 3.3 5.0 Disable Time t PLZ 3.3 5.0 Disable Time t PZH 3.3 5.0 Note: 1. Voltage Range 3.3 is 3.3 V ± 0.3 V Voltage Range 5.0 is 5.0 V ± 0.5 V Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Typ 6.5 5.5 6.5 5.0 6.5 5.5 7.0 5.5 8.0 6.5 7.0 6.0 Max 9.0 7.0 9.0 7.0 12.5 9.0 12.0 9.0 12.0 10.0 12.5 10.0 Ta =
- 40°C to +85°C CL = 50 p F Min 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 Max 10.0 7.5 10.0 7.5 13.0 9.5 13.0 9.5 12.5 10.5 13.5 10.5 Unit ns
AC Characteristics: HD74ACT125
Ta = +25°C CL = 50 p F Item Propagation Delay Propagation Delay Enable Time Enable Time Disable Time Disable Time Note: Symbol t PLH t PHL t PZH t PZL t PHZ t PLZ VCC (V)- 1 5.0 5.0 5.0 5.0 5.0 5.0 Min 1.0 1.0 1.0 1.0 1.0 1.0 Typ 6.5 7.0 6.0 7.0...