74hct4002 NXP Semiconductors, 74hct4002 Datasheet - Page 6

• Manufacturer Part Number: 74hct4002
• Description: Dual 4-input Nor Gate
• Manufacturer: NXP Semiconductors

Philips Semiconductors
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
Output capability: standard
I
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
AC WAVEFORMS
PACKAGE OUTLINES
See
December 1990
CC
INPUT
nA, nB, nC, nD
SYMBOL PARAMETER
t
t
PHL
THL
Dual 4-input NOR gate
(1) HC : V
Fig.7
category: SSI
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
/ t
/ t
TLH
PLH
HCT: V
Waveforms showing the input (nA, nB, nC, nD) to output (nY) propagation delays and the output transition
times.
M
M
propagation delay
output transition time
r
nA, nB, nC, nD to nY
= 50%; V
= 1.3 V; V
= t
CC
f
= 6 ns; C
per input, multiply this value by the unit load coefficient shown in the table below.
I
UNIT LOAD COEFFICIENT
0.45
I
= GND to V
= GND to 3 V.
L
= 50 pF
CC
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
min.
13
7
typ.
25
22
15
CC
max. min.
) for a unit load of 1 is given in the family specifications.
.
T
74HCT
amb
6
40 to 85
( C)
28
19
max.
min.
40 to 125
33
22
max.
.
ns
ns
UNIT
74HC/HCT4002
4.5
4.5
V
(V)
TEST CONDITIONS
CC
Product specification
Fig.7
Fig.7
WAVEFORMS