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HD74AC126

Hitachi Semiconductor
Part Number HD74AC126
Manufacturer Hitachi Semiconductor
Description Quad Buffer/Line Driver with 3-State Output
Published Mar 23, 2005
Detailed Description HD74AC126/HD74ACT126 Quad Buffer/Line Driver with 3-State Output Description The HD74AC126/HD74ACT126 is an quad buffer...
Datasheet PDF File HD74AC126 PDF File

HD74AC126
HD74AC126

Overview
HD74AC126/HD74ACT126 Quad Buffer/Line Driver with 3-State Output 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 mA • HD74ACT126 has TTL-Compatible 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 D O E 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 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 HD74AC126/HD74ACT126 AC Characteristics: HD74AC126 Ta = +25°C CL = 50 pF 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 pF 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 pF 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.
...


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