SN75ALS161 - 八路通用接口总线收发器

SN75ALS161是TI德州仪器公司的一款其它线电路产品，SN75ALS161是八路通用接口总线收发器，本站介绍了SN75ALS161的封装应用图解、特点和优点、功能等，并给出了与SN75ALS161相关的TI元器件型号供参考。

SN75ALS161 - 八路通用接口总线收发器 - 其它线电路 - 其它接口 - 德州仪器

产品描述

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 VCC = 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.

产品特性

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 (VCC = 0)
Power-Up/Power-Down Protection (Glitch Free)

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