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HD74LVCZ245A

更新时间： 2024-11-09 05:10:59

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
9页	105K
描述
Octal Bidirectional Transceivers with 3?state Outputs

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HD74LVCZ245A 数据手册

HD74LVCZ245A

Octal Bidirectional Transceivers with 3–state Outputs

REJ03D0372–0300

(Previous ADE-205-228A (Z))

Rev.3.00

Aug. 18, 2004

Description

The HD74LVCZ245A has eight buffers with three state outputs in a 20 pin package. When (T / R) is high, data flows

from the A inputs to the B outputs, and when (T / R) is low, data flows from the B inputs to the A outputs. A and B bus

are separated by making enable input (OE) high level.

When V_CCis between 0 and 1.5 V, the device is in the high impedance state during power up or power down.

Low voltage and high-speed operation is suitable at battery drive product (note type personal computer) and low power

consumption extends the life of a battery for long time operation.

Features

•

V_CC= 2.7 to 5.5 V

All inputs V_IH(Max) = 5.5 V (@V_CC= 0 to 5.5 V)

All inputs / outputs V_{I / O}(Max) = 5.5 V (@V_CC= 0 V or output off state)

Typical V_OLground bounce < 0.8 V (@V_CC= 3.3 V, Ta = 25°C)

Typical V_OHundershoot > 2.0 V (@V_CC= 3.3 V, Ta = 25°C)

High impedance state during power up and power down

Power off disables outputs, permitting live insertion

High output current ±24 mA (@V_CC= 3.0 to 5.5 V)

Ordering Information

Part Name

Package Type

Package Code

Package

Abbreviation

Taping Abbreviation

(Quantity)

HD74LVCZ245AFPEL

HD74LVCZ245ATELL

SOP–20 pin (JEITA)

TSSOP–20 pin

FP–20DAV

EL (2,000 pcs/reel)

ELL (2,000 pcs/reel)

TTP–20DAV

Function Table

Inputs

Operation

T / R

B data to A bus

A data to B bus

H: High level

L: Low level

X: Immaterial

Z: High impedance

Rev.3.00 Aug. 18, 2004 page 1 of 8

12 3 4 5 6 7...9

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