100352

更新时间： 2024-11-23 22:37:19

品牌	Logo	应用领域
美国国家半导体 - NSC		驱动器
页数	文件大小	规格书
8页	147K
描述
Low Power 8-Bit Buffer with Cut-Off Drivers

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100352 数据手册

August 1998

100352

Low Power 8-Bit Buffer with Cut-Off Drivers

General Description

Features

n Cut-off drivers

The 100352 contains an 8-bit buffer, individual inputs (Dn),

outputs (Qn), and a data output enable pin (OEN). A Q out-

put follows its D input when the OEN pin is LOW. A HIGH on

OEN holds the outputs in a cut-off state. The cut-off state is

designed to be more negative than a normal ECL LOW level.

This allows the output emitter-followers to turn off when the

termination supply is −2.0V, presenting a high impedance to

the data bus. This high impedance reduces termination

power and prevents loss of low state noise margin when sev-

eral loads share the bus.

n Drives 25Ω load

n Low power operation

n 2000V ESD protection

n Voltage compensated operating range −4.2V to −5.7V

n Available to industrial grade temperature range

n Available to MIL-STD-883

The 100352 outputs are designed to drive a doubly termi-

nated 50Ω transmission line (25Ω load impedance). All in-

puts have 50 kΩ pull-down resistors.

Logic Symbol

DS100296-1

Pin Names

Description

D₀–D₇

OEN

Data Inputs

Output Enable Input

Q₀–Q₇

Data Outputs

No Connect

DS100296

www.national.com

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