SN75161B, SN75162B
OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVERS
SLLS005B – OCTOBER 1980 – REVISED MAY 1995
SN75161B . . . DW OR N PACKAGE
Meets IEEE Standard 488-1978 (GPIB)
(TOP VIEW)
8-Channel Bidirectional Transceivers
Power-Up/Power-Down Protection
(Glitch Free)
TE
REN
IFC
NDAC
NRFD
DAV
EOI
ATN
SRQ
GND
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
V
CC
REN
IFC
NDAC
NRFD
DAV
EOI
ATN
SRQ
DC
Designed to Implement Control Bus
Interface
GPIB
I/O Ports
SN75161B Designed for Single Controller
Terminal
I/O Ports
SN75162B Designed for Multiple
Controllers
High-Speed, Low-Power Schottky Circuitry
Low Power Dissipation . . . 72 mW Max Per
Channel
Fast Propagation Times . . . 22 ns Max
High-Impedance pnp Inputs
SN75162B . . . DW PACKAGE
(TOP VIEW)
Receiver Hysteresis . . . 650 mV Typ
SC
TE
REN
IFC
NDAC
NRFD
DAV
EOI
ATN
SRQ
NC 11
GND 12
V
CC
NC
1
2
3
4
5
6
7
8
9
10
24
23
22
21
20
19
18
17
16
15
14
13
Bus-Terminating Resistors Provided on
Driver Outputs
REN
IFC
NDAC
NRFD
DAV
EOI
ATN
SRQ
NC
No Loading of Bus When Device Is
Powered Down (V
= 0)
CC
Terminal
I/O Ports
GPIB
I/O Ports
description
The SN75161B and SN75162B eight-channel,
general-purpose interface bus transceivers are
monolithic, high-speed, low-power Schottky
devices designed to meet the requirements of
IEEE Standard 488-1978. Each transceiver is
designed to provide the bus-management and
data-transfer signals between operating units of
a single- or multiple-controller instrumentation
system. WhencombinedwiththeSN75160Boctal
bus transceiver, the SN75161B or SN75162B
provides the complete 16-wire interface for the
IEEE-488 bus.
DC
SN75162B . . . N PACKAGE
(TOP VIEW)
SC
TE
REN
IFC
NDAC
NRFD
DAV
EOI
V
CC
NC
REN
1
22
21
20
2
3
The SN75161B and SN75162B feature eight
driver-receiver pairs connected in a front-to-back
configuration to form input/output (I/O) ports at
both the bus and terminal sides. A power-
up/-down disable circuit is included on all bus and
receiver outputs. This provides glitch-free opera-
4
19 IFC
5
18 NDAC
17 NRFD
16 DAV
15 EOI
14 ATN
13 SRQ
12 DC
Terminal
I/O Ports
GPIB
I/O Ports
6
7
8
ATN
SRQ
GND
9
tion during V
power up and power down.
CC
10
11
NC–No internal connection
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 1995, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
1
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