Datasheet

December 1990 4
Philips Semiconductors Product specification
Quad buffer/line driver; 3-state 74HC/HCT126
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications” .
Output capability: bus driver
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C)
UNIT
TEST CONDITIONS
74HC
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
nA to nY
30 100 125 150 ns 2.0 Fig.6
11 20 25 30 4.5
9172126 6.0
t
PZH
/ t
PZL
3-state output
enable time
nOE to nY
41 125 155 190 ns 2.0 Fig.7
15 25 31 38 4.5
12 21 26 32 6.0
t
PHZ
/ t
PLZ
3-state output
disable time
nOE to nY
41 125 155 190 ns 2.0 Fig.7
15 25 31 38 4.5
12 21 26 32 6.0
t
THL
/ t
TLH
output transition
time
14 60 75 90 ns 2.0 Fig.6
5121518 4.5
4101315 6.0