參數(shù)資料
型號(hào): 74HCT02
廠商: NXP Semiconductors N.V.
英文描述: Quad 2-input NOR gate
中文描述: 四2輸入或非門(mén)
文件頁(yè)數(shù): 5/5頁(yè)
文件大?。?/td> 28K
代理商: 74HCT02
December 1990
5
Philips Semiconductors
Product specification
Quad 2-input NOR gate
74HC/HCT02
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
category: SSI
Notes to HCT types
The value of additional quiescent supply current (
I
CC
) for a unit load of 1 is given in the family specifications.
To determine
I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
AC WAVEFORMS
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
.
INPUT
UNIT LOADCOEFFICIENT
nA, nB
1.50
SYMBOL
PARAMETER
T
amb
(
°
C)
TEST CONDITIONS
74HCT
UNIT
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, nB to nY
output transition time
11
19
24
29
ns
4.5
Fig.6
t
THL
/ t
TLH
7
15
19
22
ns
4.5
Fig.6
Fig.6
Waveforms showing the input (nA, nB) to output (nY) propagation delays and the output transition times.
HC: V
M
= 50%; V
I
= GND to V
HCT: V
M
= 1.3 V; V
I
= GND to 3 V.
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