SN75ALS057 - 梯形波接口总线收发器

SN75ALS057是TI德州仪器公司的一款其它线电路产品，SN75ALS057是梯形波接口总线收发器，本站介绍了SN75ALS057的封装应用图解、特点和优点、功能等，并给出了与SN75ALS057相关的TI元器件型号供参考。

SN75ALS057 - 梯形波接口总线收发器 - 其它线电路 - 其它接口 - 德州仪器

产品描述

The SN75ALS056 is an eight-channel, monolithic, high-speed, advanced low-power Schottky (ALS) device designed for two-way data communication in a densely populated backplane. The SN75ALS057 is a four-channel version with independent driver-input (Dn) and receiver-output (Rn) pins and a separate driver disable for each driver (En).

These transceivers feature open-collector driver outputs with series Schottky diodes to reduce capacitive loading to the bus. By using a 2-V pullup termination on the bus, the output signal swing is approximately 1 V, which reduces the power necessary to drive the bus load capacitance. The driver outputs generate trapezoidal waveforms that reduce crosstalk between channels. The drivers are capable of driving an equivalent dc load as low as 18.5 . The receivers have internal low-pass filters to further improve noise immunity.

The SN75ALS056 and SN75ALS057 are characterized for operation from 0°C to 70°C.

产品特性

Suitable for IEEE Standard 896 Applications
SN75ALS056 is an Octal Transceiver
SN75ALS057 is a Quad Transceiver
High-Speed Advanced Low-Power Schottky (ALS) Circuitry
Low Power Dissipation:
52.5 mW/Channel Max
High-Impedance pnp Inputs
Logic-Level 1-V Bus Swing Reduces Power Consumption
Trapezoidal Bus Output Waveform Reduces Noise Coupling to Adjacent Lines
Power-Up/Power-Down Protection
(Glitch Free)
Open-Collector Driver Outputs Allow Wired-OR Connections
Designed to Be a Faster, Lower-Power Functional Equivalent of National DS3896, DS3897

The transceivers are suitable for IEEE Standard 896 applications to the extent of the operating conditions and characteristics specified in this data sheet.

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