74LVCH245ADB datasheet(11/20 Pages) PHILIPS

部件名	74LVCH245ADB

功能描述	Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state)

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制造商	PHILIPS [NXP Semiconductors]

网页	http://www.nxp.com

标志

11 / 20 page

2003 May 07

11

Philips Semiconductors

Product speciﬁcation

Octal bus transceiver with direction pin with 5 V tolerant

input/outputs (3-state)

74LVC245A;

74LVCH245A

handbook, full pagewidth

open

GND

50 pF

2

× VCC

VCC

VI

VO

MNA368

D.U.T.

CL

RT

RL

500

Ω

RL

500

Ω

PULSE

GENERATOR

S1

Fig.7 Load circuitry for switching times.

Definitions for test circuit:

RL = Load resistor.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance should be equal to the output impedance Zo of the pulse generator.

SWITCH POSITION

TEST

SWITCH

tPLH/tPHL

open

tPLZ/tPZL

2xVCC

tPHZ/tPZH

GND

VCC

VI

< 2.7 V

VCC

2.7 - 3.6 V

2.7 V

类似零件编号 - 74LVCH245ADB

制造商	部件名	数据表	功能描述
NXP Semiconductors	74LVCH245ADB	122Kb / 17P	Octal bus transceiver; 3-state Rev. 05-25 August 2009

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