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HC125

Quad buffer/line driver; 3-state

Philips Electronics 

Philips Semiconductors

Quad buffer/line driver; 3-state

Product specification

74AHC125; 74AHCT125

Type 74AHCT125

GND = 0 V; tr = tf ≤ 3.0 ns.

SYMBOL PARAMETER

TEST CONDITIONS

WAVEFORMS CL

Tamb (°C)

25

−40 to +85 −40 to +125 UNIT

MIN. TYP. MAX. MIN. MAX. MIN. MAX.

VCC = 4.5 to 5.5 V; note 1

tPHL/tPLH propagation delay see Figs 5 and 7 15 pF −

nA to nY

tPZH/tPZL propagation delay see Figs 6 and 7

−

nOE to nY

tPHZ/tPLZ propagation delay

−

nOE to nY

tPHL/tPLH propagation delay see Figs 5 and 7 50 pF −

nA to nY

tPZH/tPZL propagation delay see Figs 6 and 7

−

nOE to nY

tPHZ/tPLZ propagation delay

−

nOE to nY

3.0 5.5 1.0 6.5 1.0 7.0 ns

3.4 5.1 1.0 6.0 1.0 6.5 ns

4.5 6.8 1.0 8.0 1.0 8.5 ns

4.3 7.5 1.0 8.5 1.0 9.5 ns

4.9 7.3 1.0 8.3 1.0 9.5 ns

6.5 8.8 1.0 10.0 1.0 11.0 ns

Note

1. Typical values at VCC = 5.0 V.

AC WAVEFORMS

handbook, halfpage VI

nA INPUT

GND

VOH

nY OUTPUT

VOL

VM(1)

tPHL

VM(1)

tPLH

MNA230

FAMILY

AHC

AHCT

VI INPUT

REQUIREMENTS

GND to VCC

GND to 3.0 V

VM(1)

INPUT

50% VCC

1.5 V

VM(1)

OUTPUT

50% VCC

50% VCC

Fig.5 The input (nA) to output (nY) propagation delays.

1999 Sep 27

9

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