74HC/HCT125 データシートの表示（PDF） - NXP Semiconductors.

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74HC/HCT125

Quad buffer/line driver; 3-state

NXP Semiconductors. 

Philips Semiconductors

Quad buffer/line driver; 3-state

Product specification

74HC/HCT125

DC CHARACTERISTICS FOR 74HCT

For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.

Output capability: bus driver

ICC category: MSI

Note to HCT types

The value of additional quiescent supply current (∆ICC) for a unit load of 1 is given in the family specifications.

To determine ∆ICC per input, multiply this value by the unit load coefficient shown in the table below.

INPUT

nA, nOE

UNIT LOAD COEFFICIENT

1.00

AC CHARACTERISTICS FOR 74HCT

GND = 0 V; tr = tf = 6 ns; CL = 50 pF

Tamb (°C)

TEST CONDITIONS

SYMBOL

PARAMETER

74HCT

+25

−40 to +85

−40 to +125

UNIT VCC

(V)

WAVEFORMS

min. typ. max. min. max. min. max.

tPHL/ tPLH propagation delay

nA to nY

15 25

31

tPZH/ tPZL 3-state output enable time

15 28

35

nOE to nY

tPHZ/ tPLZ 3-state output disable time

15 25

31

nOE to nY

tTHL/ tTLH output transition time

5 12

15

38 ns 4.5 Fig.6

42 ns 4.5 Fig.7

38 ns 4.5 Fig.7

18 ns 4.5 Fig.6

December 1990

5

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