2003 Jul 25

12

Philips Semiconductors

Product specification

Quad 2-input AND gate

74HC08; 74HCT08

Family 74HCT08

AC WAVEFORMS

SYMBOL

PARAMETER

TEST CONDITIONS

MIN.

TYP.

MAX.

UNIT

WAVEFORMS

propagation delay nA,

nB to nY

see Figs 7 and 8 4.5

−

14

24

ns

output transition time

see Figs 7 and 8 4.5

−

715

ns

propagation delay nA,

nB to nY

see Figs 7 and 8 4.5

−−

30

ns

output transition time

see Figs 7 and 8 4.5

−−

19

ns

propagation delay nA,

nB to nY

see Figs 7 and 8 4.5

−−

36

ns

output transition time

see Figs 7 and 8 4.5

−−

22

ns

handbook, halfpage

MNA726

tPLH

tPHL

VM

VM

90%

10%

VM

VM

nY output

nA, nB input

VI

GND

VOH

VOL

tTLH

tTHL

Fig.7 Waveforms showing the input (nA, nB) to output (nY) propagation delays and the output transition times.