Datasheet Texas Instruments DS8922A — 数据表

DS8922, DS8922A, DS8923A
www.ti.com SNLS373B – JUNE 1998 – REVISED APRIL 2013 DS8922/DS8922A/DS8923A TRI-STATE RS-422 Dual Differential Line Driver and Receiver
Pairs
Check for Samples: DS8922, DS8922A, DS8923A FEATURES 1 2 12 ns Typical Propagation Delay
Output Skew—±0.5 ns Typical
Meets the Requirements of EIA Standard RS422
Complementary Driver Outputs
High Differential or Common-Mode Input
Voltage Ranges of В±7V
В±0.2V Receiver Sensitivity over the Input
Voltage Range
Receiver Input Fail-Safe Circuitry
Receiver Input Hysteresis—70 mV typical
Glitch Free Power Up/Down
TRI-STATE Outputs DESCRIPTION
The DS8922/22A and DS8923A are Dual Differential
Line Driver and Receiver pairs. These devices are
designed specifically for applications meeting the
ST506, ST412 and ESDI Disk Drive Standards. In
addition, the devices meet the requirements of the
EIA Standard RS-422.
These devices offer an input sensitivity of 200 mV
over a В±7V common mode operating range. …