74ABT543AD データシートの表示（PDF） - Philips Electronics

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74ABT543AD

Octal latched transceiver with dual enable (3-State)

Philips Electronics 

Philips Semiconductors

Octal latched transceiver with dual enable

(3-State)

Product specification

74ABT543A

ÉÉÉÉÉÉ An, Bn

VM

VMÉÉÉÉÉÉÉÉÉÉVMÉÉVÉÉM ÉÉÉÉ

ts(H)

th(H)

ts(L)

th(L)

LEAB,

LEBA

VM

tw(L)

VM

NOTE: For all waveforms, VM = 1.5V, the shaded areas indicate when the input

is permitted to change for predictable output performance.

SA00174

Waveform 3. Data Setup and Hold Times And Latch Enable

Pulse Width

OEAB, OEBA,

EAB, EBA

VM

VM

An, Bn

tPZH

VM

tPHZ

VOH

VOH –0.3V

0V

SA00175

Waveform 4. 3-State Output Enable Time to High Level and

Output Disable Time from High Level

TEST CIRCUIT AND WAVEFORM

From Output

Under Test

CL = 50 pF

500 Ω

500 Ω

7V

S1

Open

GND

Load Circuit

TEST

S1

tpd

tPLZ/tPZL

tPHZ/tPZH

open

7V

open

DEFINITIONS

CL = Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

SA00012

OEAB, OEBA,

EAB, EBA

VM

tPZL

VM

tPLZ

An, Bn

VM

VOL +0.3V

0V

SA00176

Waveform 5. 3-State Output Enable Time to Low Level and

Output Disable Time from Low Level

1998 Sep 24

7

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