29050H
features differential line drivers / receivers with three state output designed to meet the spec of EIA RS
- 422A and 423A. Each device has two drivers / receivers in a 16 pin package. The device bees in enable state when active high for a driver and active low for a receiver.
Pin Arrangement
R1B R1A R1Y 1 2 3 16 VCC 15 D1A 14 D1Y 13 D1Z 12 D Enable 11 D2Z 10 D2Y 9 (Top View) D2A
R 4 Enable R2Y 5 6 7 8
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Features
Driver
R2A R2B GND
- Built in current restriction when short circuit
- Power up / down protection.
- High output current I OH =
- 40 m A IOL = 40 m A Receiver
- Input hysteresis (Typ. 50 m V)
- In phase input voltage ±200 m V of input sensitivity in the range
- 7 to +12 V.
Function Table
Drivers Input A L H X Enable H H L Output Y L H Z Receivers Differential Input A
- B VID ≥ 0.2 V
- 0.2 V < V ID < 0.2 V VID ≤
- 0.2 V X H L Z X ? : : : : : High level Low level High impedance Immaterial Irrelevant Enable L L L H Output Y H ? L Z Output Z H L Z
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HD29050
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HD29050
Absolut...
