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74HC02NB 参数 Datasheet PDF下载

74HC02NB图片预览
型号: 74HC02NB
PDF下载: 下载PDF文件 查看货源
内容描述: [IC HC/UH SERIES, QUAD 2-INPUT NOR GATE, PDIP14, Gate]
分类和应用:
文件页数/大小: 5 页 / 32 K
品牌: PHILIPS [ NXP SEMICONDUCTORS ]
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Philips Semiconductors
Product specification
Quad 2-input NOR gate
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
I
CC
category: SSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
= t
f
= 6 ns; C
L
= 50 pF
T
amb
(°C)
74HC
SYMBOL PARAMETER
+25
min. typ.
t
PHL
/ t
PLH
propagation delay
nA, nB to nY
25
9
7
19
7
6
max.
90
18
15
75
15
13
−40
to +85
min. max.
115
23
20
95
19
16
−40
to +125
min. max.
135
27
23
110
22
19
ns
UNIT
74HC/HCT02
TEST CONDITIONS
V
CC
(V)
2.0
4.5
6.0
2.0
4.5
6.0
WAVEFORMS
Fig.6
t
THL
/ t
TLH
output transition time
ns
Fig.6
December 1990
4