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 becomes 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.
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HD29050
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Dual Differential Line Drivers / ReceiversWith 3 State Outputs
The HD29050 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 becomes 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 mA IOL = 40 mA Receiver • Input hysteresis (Typ.
29050H Datasheet
