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74HC132U

Quad 2-input NAND Schmitt trigger

Philips Electronics 

Philips Semiconductors

Quad 2-input NAND Schmitt trigger

Product specification

74HC/HCT132

DC CHARACTERISTICS FOR 74HCT

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

given below.

Output capability: standard

ICC category: SSI

Notes 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, nB

UNIT LOAD COEFFICIENT

0.3

Transfer characteristics for 74HCT

Voltages are referenced to GND (ground = 0 V)

Tamb (°C)

SYMBOL PARAMETER

74HCT

+25

−40 to +85

min. typ. max. min. max.

VT+

positive-going threshold 1.2 1.41 1.9 1.2 1.9

1.4 1.59 2.1 1.4 2.1

VT−

negative-going threshold 0.5 0.85 1.2 0.5 1.2

0.6 0.99 1.4 0.6 1.4

VH

hysteresis (VT+ − VT−) 0.4 0.56 −

0.4 −

0.4 0.60 −

0.4 −

−40 to +125

min. max.

1.2 1.9

1.4 2.1

0.5 1.2

0.6 1.4

0.4 −

0.4 −

TEST CONDITIONS

UNIT VCC WAVEFORMS

(V)

V

4.5 Figs 6 and 7

5.5

V

4.5 Figs 6 and 7

5.5

V

4.5 Figs 6 and 7

5.5

AC CHARACTERISTICS FOR 74HCT

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

Tamb (°C)

SYMBOL PARAMETER

74HCT

+25

−40 to +85

min. typ. max. min. max.

tPHL/ tPLH propagation delay

nA, nB to nY

20 33

41

tTHL/ tTLH output transition time

7 15

19

TEST CONDITIONS

−40 to +125

UNIT

VCC

(V)

min. max.

WAVEFORMS

50 ns

4.5 Fig.13

22 ns

4.5 Fig.13

September 1993

5

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