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Documents DS8921, DS8921A, DS8921AT
SNLS374D – MAY 1998 – REVISED JANUARY 2015 DS8921x Differential Line Driver and Receiver Pair
1 Features 3 Description The DS8921, DS8921A, and DS8921AT devices are
differential line driver and receiver pairs designed
specifically for applications meeting the ST506,
ST412, and ESDI disk drive standards. In addition,
these devices meet the requirements of the EIA
standard RS-422. 1 12-ns Typical Propagation Delay
Output Skew: 0.5 ns Typical
Meets the Requirements of EIA Standard RS-422
Complementary Driver Outputs
High Differential or Common-Mode Input Voltage
Ranges of В±7 V
В±0.2 V Receiver Sensitivity Over the Input Voltage
Range
Receiver Input Hysteresis: 70 mV Typical
DS8921AT Industrial Temperature Operation:
(-40В°C to +85В°C) 2 Applications Differential Line Driver and Receiver for: …
