100352

更新时间： 2024-11-19 22:37:19

品牌	Logo	应用领域
飞兆/仙童 - FAIRCHILD		驱动器
页数	文件大小	规格书
8页	74K
描述
Low Power 8-Bit Buffer with Cut-Off Drivers

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100352 数据手册

October 1989

Revised August 2000

100352

Low Power 8-Bit Buffer with Cut-Off Drivers

General Description

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

Features

■ Cut-off drivers

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

■ Drives 25Ω load

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 several loads share the bus.

■ Low power operation

■ 2000V ESD protection

■ Voltage compensated operating range = −4.2V to −5.7V

■ Available to industrial grade temperature range

The 100352 outputs are designed to drive a doubly termi-

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

inputs have 50 kΩ pull-down resistors.

Ordering Code:

Order Number Package Number

Package Description

100352PC

100352QC

100352QI

N24E

V28A

24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide

28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square

Industrial Temperature Range (−40°C to +85°C)

Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.

Logic Symbol

Connection Diagrams

24-Pin DIP

Pin Descriptions

28-Pin PLCC

Pin Names

Description

D₀–D₇

OEN

Q₀–Q₇

Data Inputs

Output Enable Input

Data Outputs

No Connect

DS010248

www.fairchildsemi.com

12 3 4 5 6 7 8

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