(PDF) HD29412 Datasheet - Dual Differential Line Drivers

Número de pieza	HD29412
Descripción	Dual Differential Line Drivers
Fabricantes	ETC
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No Preview Available ! HD29412 Dual Differential Line Drivers With 3 State Outputs The HD29412 features dual differential line drivers with three state outputs designed to satisfy the requirements of EIA–422. Each driver has an output control is low, the associated outputs are in a high impedance state. This permits many deviced to be connected together on the same transmission line for party line applications. Function Table Input A BC H HH H LH L HH L LH X XL X XX www.DataShHeet4U:.comHigh level L : Low level X : Irrelevant Z : High impedance D H H H H X L Output YZ HL LH LH LH ZZ ZZ Pin Arrangement NC 1 1Z 2 1Y 3 1A 4 1B 5 1C 6 GND 7 (Top View) 14 VCC 13 2Z 12 2Y 11 2B 10 2A 9 2C 8D 1 page HD29412 Switching Time Test Circuit 1. HD29412 1 KΩ 5V Input Pulse Generator 50 Ω Connection A Y Z CL = 30 pF Connection B Y Z CL = 15 pF Y Output Z Input 10 % 25 ns 5 ns 5 ns 90 % 90 % 1.5 V 1.5 V 10 % tPLH tPHL 3V 0V Y RL = 100 Ω Z 1.5 V 10 % 90 % 90 % tTLH VOH 1.5 V 10 %VOL tPHL tTHL tPLH 90 % 1.5 V 1.5 V 10 % 10 % 90 %VOH VOL tTHL tTLH CL = 15 pF Over Shoot 100 % Connection C Y Z RL = 100 Ω 0% Over Shoot 5 5 Page

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PDF HD29412 Data sheet ( Hoja de datos )