Philips Semiconductors
Product specification
Quad 2-input OR gate
74HC/HCT32
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
T
amb (°C)
TEST CONDITIONS
74HC
SYMBOL
PARAMETER
UNIT
WAVEFORMS
VCC
(V)
+25
−40 to +85 −40 to +125
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
nA, nB to nY
22
8
6
90
18
15
115
23
20
135
27
23
ns
ns
2.0 Fig.7
4.5
6.0
t
THL/ tTLH output transition time
19
7
6
75
15
13
95
19
16
110
22
19
2.0 Fig.7
4.5
6.0
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: SSI
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
UNIT LOAD COEFFICIENT
nA, nB
1.20
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
T
amb (°C)
TEST CONDITIONS
VCC
74HCT
SYMBOL
PARAMETER
UNIT
WAVEFORMS
(V)
+25
−40 to +85 −40 to +125
min. typ. max. min. max. min. max.
tPHL/ tPLH propagation delay
nA, nB to nY
11
24
30
36
ns
ns
4.5 Fig.7
4.5 Fig.7
t
THL/ tTLH output transition time
7
15
19
22
December 1990
5
NXP [ NXP ]
