SN75ALS162 Datasheet, PDF (1/12 Pages) Texas Instruments – SN75ALS1177 SN75ALS1178

SN75ALS162
OCTAL GENERAL-PURPOSE INTERFACE BUS TRANSCEIVER
SLLS020C – JUNE 1986 – REVISED MAY 1995
D Meets IEEE Standard 488-1978 (GPIB)
D 8-Channel Bidirectional Transceiver
D Designed to Implement Control Bus
Interface
D Designed for Multicontrollers
D High-Speed Advanced Low-Power Schottky
Circuitry
D Low-Power Dissipation . . . 46 mW Max per
Channel
D Fast Propagation Times . . . 20 ns Max
D High-Impedance PNP Inputs
D Receiver Hysteresis . . . 650 mV Typ
D Bus-Terminating Resistors Provided on
Driver Outputs
D No Loading of Bus When Device Is
Powered Down (V_CC = 0)
D Power-Up/Power-Down Protection
(Glitch Free)
description
The SN75ALS162 eight-channel general-purpose
interface bus (GPIB) transceiver is a monolithic,
high-speed, advanced low-power Schottky process
device designed to provide the bus-management
and data-transfer signals between operating units
of a multiple-controller instrumentation system.
When combined with the SN75ALS160 octal bus
transceiver, the SN75ALS162 provides the
complete 16-wire interface for the IEEE 488 bus.
DW PACKAGE
(TOP VIEW)
GPIB
I/O Ports
SC 1
TE 2
REN 3
IFC 4
NDAC 5
NRFD 6
DAV 7
EOI 8
ATN 9
SRQ ¹⁰
NC ¹¹
GND ¹²
24 V_CC
23 NC
22 REN
21 IFC
20 NDAC
19 NRFD
18 DAV
17 EOI
16 ATN
15 SRQ
14 NC
13 DC
Terminal
I/O Ports
GPIB
I/O Ports
N PACKAGE
(TOP VIEW)
SC 1
TE 2
REN 3
IFC 4
NDAC 5
NRFD 6
DAV 7
EOI 8
ATN 9
SRQ 10
GND 11
22 V_CC
21 NC
20 REN
19 IFC
18 NDAC
17 NRFD
16 DAV
15 EOI
14 ATN
13 SRQ
12 DC
Terminal
I/O Ports
The SN75ALS162 features 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. The direction of data through these
driver-receiver pairs is determined by the DC, TE,
and SC enable signals. The SC input allows the
REN and IFC transceivers to be controlled
independently.
NC – No internal connection
The driver outputs (GPIB I/O ports) feature active bus-terminating resistor circuits designed to provide a high
impedance to the bus when V_CC = 0. The drivers are designed to handle loads up to 48 mA of sink current. Each
receiver features pnp transistor inputs for high input impedance and hysteresis of 400 mV minimum for
increased noise immunity. All receivers have 3-state outputs to present a high impedance to the terminal when
disabled.
The SN75ALS162 is characterized for operation from 0°C to 70°C.
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.
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.
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Copyright © 1995, Texas Instruments Incorporated
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