Datasheet > M0002947

M0002947

更新时间： 2024-01-05 00:26:11

品牌	Logo	应用领域
美国国家半导体 - NSC		/
页数	文件大小	规格书
9页	23K
描述
MN54ABT646-X REV 0B0

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数据手册

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M0002947 数据手册

MICROCIRCUIT DATA SHEET

Original Creation Date: 08/25/95

Last Update Date: 10/05/98

MN54ABT646-X REV 0B0

Last Major Revision Date: 03/19/97

OCTAL TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS

General Description

The ABT646 consists of bus tranceiver circuits wit TRI-STATE, D-type flip-flops, and

control circuitry arranged for multiplexed transmission of data directly from the input

bus or from the internal registers. Data on the A or B bus will be clocked into the

registers as the appropriate clock pin goes to a high logic level. Control OE and

direction pins are provided to control the transceiver function. In the transceiver mode,

data present at the high impedance port may be stored in either the A or the B register or

in both. The select controls can mutiplex stored and real-time (transparent mode) data.

The direction control determines which bus will receive data when the enable control OE is

Active LOW. In the isolation mode (control OE HIGH), A data may be stored in the B

Industry Part Number

NS Part Numbers

54ABT646

54ABT646E-QML *

54ABT646J-QML **

54ABT646W-QML ***

Prime Die

NB646

Controlling Document

See Features Page

Processing

Subgrp Description

Temp (^oC)

MIL-STD-883, Method 5004

Static tests at

+25

Static tests at

+125

-55

Static tests at

Dynamic tests at

Functional tests at

Switching tests at

+25

Quality Conformance Inspection

+125

-55

MIL-STD-883, Method 5005

+25

+125

-55

+25

+125

-55

12 3 4 5 6 7...9

中文翻译

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