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See Technical Specifications

SN75ALS161N

Octal General-Purpose Interface Bus Transceiver

Manufacturer:

Texas Instruments, Inc
Mfr.Part #:

SN75ALS161N
Datasheet:

SN75ALS161N Datasheet (PDF)
Type:

Transceiver
Protocol:

IEEE 488
Number of Drivers/Receivers:

8/8
Duplex:

Half
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Request Free CAD Models for SN75ALS161N

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SN75ALS161N General Description

The SN75ALS161 eight-channel general-purpose interface bus transceivers are high-speed, advanced low-power Schottky-process devices designed to provide the bus-management and data-transfer signals between operating units of a single-controller instrumentation system. When combined with the SN75ALS160 octal bus transceivers, this device provides a complete 16-wire interface for the IEEE 488 bus.

The SN75ALS161 device 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 direction-control (DC) and talk-enable (TE) signals.

The driver outputs general-purpose interface bus (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 sink-current loads up to 48 mA. Each receiver features pnp transistor inputs for high input impedance and hysteresis of 400 mV on the commercial part, and 250 mV on the military part, minimum, for increased noise immunity. All receivers have 3-state outputs, to present a high impedance to the terminal when disabled.

The SN75ALS161 is characterized for operation from 0°C to 70°C.

Key Features

Suitable for IEEE Standard 488-1978 (GPIB)
8-Channel Bidirectional Transceivers
Designed to Implement Control Bus Interface
Designed for Single Controller
High-Speed Advanced Low-Power Schottky Circuitry
Low Power Dissipation . . . 46 mW Max Per Channel
Fast Propagation Times . . . 20 ns Max
High-Impedance pnp Inputs
Receiver Hysteresis . . . 650 mV Typ
Bus-Terminating Resistors Provided on Driver Outputs
No Loading of Bus When Device Is Powered Down (V_CC = 0)
Power-Up/Power-Down Protection (Glitch Free)

Specifications

Category	Integrated Circuits (ICs)InterfaceDrivers, Receivers, Transceivers	Series	-
Type	Transceiver	Protocol	IEEE 488
Number of Drivers/Receivers	8/8	Duplex	Half
Receiver Hysteresis	650 mV	Data Rate	-
Voltage - Supply	4.75V ~ 5.25V	Operating Temperature	0°C ~ 70°C
Mounting Type	Through Hole	Base Product Number	75ALS161
Rating	Catalog	Operating temperature range (°C)	0 to 70
feature-maximum-operating-supply-voltage-v	5.25	feature-process-technology	CMOS
feature-packaging	Tube	feature-minimum-operating-supply-voltage-v	4.75
feature-rad-hard		feature-pin-count	20
feature-cecc-qualified	No	feature-esd-protection
feature-escc-qualified		feature-military	No
feature-aec-qualified	No	feature-aec-qualified-number
feature-auto-motive	No	feature-p-pap	No
feature-eccn-code	EAR99	feature-svhc	No
feature-svhc-exceeds-threshold	No