Datasheet Texas Instruments DS3691M/NOPB — 数据表

DS1691A, DS3691
www.ti.com SNLS357E – JULY 1998 – REVISED APRIL 2013 DS3691 (RS-422/RS-423) Line Drivers with TRI-STATE Outputs
Check for Samples: DS1691A, DS3691 FEATURES DESCRIPTION The DS3691 is a low power Schottky TTL line driver
designed to meet the requirements of EIA standards
RS-422 and RS-423. It features 4 buffered outputs
with high source and sink current capability with
internal short circuit protection. A mode control input
provides a choice of operation either as 4 singleended line drivers or 2 differential line drivers. A rise
time control pin allows the use of an external
capacitor to slow the rise time for suppression of near
end crosstalk to other receivers in the cable. Rise
time capacitors are primarily intended for
waveshaping output signals in the single-ended driver
mode. Multipoint applications in differential mode with
waveshaping capacitors is not allowed. 1 2 Dual RS-422 Line Driver with Mode Pin Low, or
Quad RS-423 Line Driver with Mode Pin High
TRI-STATE Outputs in RS-422 Mode
Short Circuit Protection for Both Source and
Sink Outputs
Outputs Will Not Clamp Line with Power Off or
In TRI-STATE
100О© Transmission Line Drive Capability
Low ICC and IEE Power Consumption …