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.

Features

Driver

• Built in current restriction when short circuit

• Power up / down protection.

• High output current IOH = –40 mA

IOL = 40 mA

Receiver

• Input hysteresis (Typ. 50 mV)

• In phase input voltage ±200 mV of input sensitivity in the range –7 to +12 V.