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74ABT125

Quad buffer (3-State)

Philips Electronics 

Philips Semiconductors

Quad buffer (3-State)

Product specification

74ABT125

AC WAVEFORMS

VM = 1.5V, VIN = GND to 3.0V

3V

INPUT

1.5V

tPLH

1.5V

tPHL

0V

VOH

OUTPUT

1.5V

1.5V

VOL

SA00028

Waveform 1. Waveforms Showing the Input (An) to

Output (Yn) Propagation Delays

TEST CIRCUIT AND WAVEFORMS

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

OE INPUT

VM

VM

tPZL

tPLZ

3.5V

Yn OUTPUT

VM

tPZH

Yn OUTPUT

VM

tPHZ

VOL + 0.3V

VOL

VOH

VOH – 0.3V

0V

SA00029

Waveform 2. Waveforms Showing the 3-State

Output Enable and Disable Times

1998 Jan 16

5

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