Philips Semiconductors

Product specification

74ABT543A

Octal latched transceiver with dual enable

(3-State)

1998 Sep 24

7

An, Bn

LEAB,

LEBA

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

0V

An, Bn

SA00175

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

Output Disable Time from High Level

0V

OEAB, OEBA,

EAB, EBA

An, Bn

SA00176

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

Output Disable Time from Low Level

TEST CIRCUIT AND WAVEFORM

500

Ω

Load Circuit

DEFINITIONS

Load capacitance includes jig and probe capacitance;

see AC CHARACTERISTICS for value.

TEST

S1

open

7 V

open

SA00012

500

Ω

From Output

Under Test

S1

7 V

Open

GND