HD74LVCZ245ATELL datasheet(7/11 Pages) RENESAS

номер детали	HD74LVCZ245ATELL

подробное описание детали	Octal Bidirectional Transceivers with 3?뱒tate Outputs

PDF	11 Pages

Scroll/Zoom	100%

производитель	RENESAS [Renesas Technology Corp]

домашняя страница	http://www.renesas.com

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7 / 11 page

HD74LVCZ245A

Rev.3.00 Aug. 18, 2004 page 5 of 8

Switching Characteristics

(Ta = –40 to 85°C)

Item

Symbol

VCC (V)

Min

Typ

Max

Unit

FROM

(Input)

(Output)

2.7

——7.3

3.3±0.3

1.5

—

6.3

Propagation delay time

tPLH

tPHL

5.0±0.5

—

4.8

A or B

B or A

2.7

——9.5

3.3±0.3

1.5

—

8.5

Output enable time

tZH

tZL

5.0±0.5

—

7.0

A or B

2.7

——8.5

3.3±0.3

1.7

—

7.5

Output disable time

tHZ

tLZ

5.0±0.5

—

6.5

A or B

2.7

———

3.3±0.3

—

1.0

Between output pin skew

*1 t

OSLH

tOSHL

5.0±0.5

—

1.0

Note:

1. This parameter is characterized but not tested.

tOSLH = |tPLHm–tPLHn|, tOSHL = |tPHLm–tPHLn|

Test Circuit

VCC

OPEN

See

under table

C =

50 pF

T /

Output

Input

Pulse generator

Zout = 50 Ω

500

Ω

450

Ω

Scope

Ω

GND

6 V

VCC

Vcc=2.7V,

Vcc=5.0±0.5V

3.3±0.3V

/ t

PLH

PHL

OPEN

GND

/ t

×V

Symbol

OPEN

GND

Note: 1. C includes probe and jig capacitance.

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