DS75162A Datasheet, PDF (8/10 Pages) National Semiconductor (TI) – IEEE-488 GPIB Transceivers

Functional Truth Tables
Control Input
Level
TE
PE
H
H
H
L
L
X
DS75160A
Data Transceivers
Direction
T
T
R
Bus Port Configuration
Totem-Pole Output
Open Collector Output
Input
DS75161A
Control Input Level
Transceiver Signal Direction
TE DC ATN EOI REN IFC SRQ NRFD NDAC DAV
H
H
H
L
L
H
L
L
R
RRT R
RT
T
TTR R
RT
R
RR T
T
T
R
T
TTR T
T
R
H
X
H
T
L
X
H
R
X
H
L
R
X
L
L
T
DS75162A
Control Input Level
Transceiver Signal Direction
SC TE DC ATN EOI REN IFC SRQ NRFD NDAC DAV
H
H
H
R
TTT
R
R
T
H
H
L
T
TTR R
R
T
H
L
H
R
TTT
T
T
R
H
L
L
T
TTR
T
T
R
L
H
H
R
RR T
R
R
T
L
H
L
T
RRR R
R
T
L
L
H
R
RR T
T
T
R
L
L
L
T
RRR
T
T
R
X
H
XH
T
X
L
XH
R
X
X
HL
R
X
X
LL
T
H e High level input
L e Low level input
X e Don’t care
T e Transmit i e signal outputted to bus
R e Receive i e signal outputted to terminal
The ATN signal level is sensed for internal multiplex control of EOI transmission direction logic
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