LVC540 datasheet(5/7 Pages) RENESAS

Part #	LVC540

Description	Octal Buffers / Line Drivers with 3-state Outputs

PDF	7 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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5 / 7 page

HD74LVC540A

Rev.4.00 Jul. 28, 2004 page 5 of 6

Waveforms – 1

tPLH

tPHL

VOH

VOL

Input A

10 %

GND

90 %

10 %

90 %

Output Y

VIH

Vref

Notes:

tr = 2.5 ns, tf = 2.5 ns

Input waveform : PRR = 10 MHz, duty cycle 50%

Waveforms – 2

– 0.3 V

+ 0.3 V

tZL

tLZ

tZH

tHZ

90 %

10 %

90 %

10 %

VOH

VOL

GND

Input G

Waveform - A

Waveform - B

VIH

Vref

≈V

OL1

≈V

OH1

TEST

VIH

Vref

VOH1

VOL1

1.5 V

3 V

GND

50%Vcc

2.7 V

Vcc

GND

Vcc=2.7V,

3.3±0.3V

Vcc=5.0±0.5V

Notes:

tr = 2.5 ns, tf = 2.5 ns

Input waveform : PRR = 10 MHz, duty cycle 50%

Waveform – A shows input conditions such that the output is "L" level when enable by the

output control.

Waveform – B shows input conditions such that the output is "H" level when enable by the

output control.

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