Philips Semiconductors
Product specification
Quad 2-input AND gate
74HC08; 74HCT08
Family 74HCT08
GND = 0 V; tf = tf = 6 ns; CL = 50 pF.
TEST CONDITIONS
SYMBOL
PARAMETER
MIN.
TYP.
MAX.
UNIT
WAVEFORMS
VCC (V)
Tamb = 25 °C
tPHL/tPLH
propagation delay nA,
nB to nY
see Figs 7 and 8 4.5
see Figs 7 and 8 4.5
−
−
14
24
15
ns
tTHL/tTLH
output transition time
7
ns
Tamb = −40 to +85 °C
tPHL/tPLH propagation delay nA,
see Figs 7 and 8 4.5
see Figs 7 and 8 4.5
−
−
−
−
30
19
ns
ns
nB to nY
tTHL/tTLH
output transition time
Tamb = −40 to +125 °C
tPHL/tPLH propagation delay nA,
see Figs 7 and 8 4.5
see Figs 7 and 8 4.5
−
−
−
−
36
22
ns
ns
nB to nY
tTHL/tTLH
output transition time
AC WAVEFORMS
V
handbook, halfpage
I
V
V
M
nA, nB input
M
GND
t
t
PHL
PLH
V
OH
90%
V
V
nY output
M
M
10%
V
OL
t
t
TLH
MNA726
THL
74HC08: VM = 50%; VI = GND to VCC
.
74HCT08: VM = 1.3 V; VI = GND to 3 V.
Fig.7 Waveforms showing the input (nA, nB) to output (nY) propagation delays and the output transition times.
2003 Jul 25
12
NXP [ NXP ]
