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参数资料
| 型号： | 933714120653 |
| 厂商： | NXP SEMICONDUCTORS |
| 元件分类： | 计数器 |
| 英文描述： | HCT SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, PDSO14 |
| 封装： | SOT-108-1, SO-14 |
| 文件页数： | 7/11页 |
| 文件大小： | 135K |
| 代理商： | 933714120653 |
December 1990
5
Philips Semiconductors
Product specication
Dual 4-bit binary ripple counter
74HC/HCT393
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Output capability: standard
ICC category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min.
typ. max. min.
max.
min.
max.
tPHL/ tPLH propagation delay
nCP to nQ0
41
15
12
125
25
21
155
31
26
190
38
32
ns
2.0
4.5
6.0
Fig.7
tPHL/ tPLH propagation delay
nQn to nQn+1
14
5
4
45
9
8
55
11
9
70
14
12
ns
2.0
4.5
6.0
Fig.7
tPHL
propagation delay
nMR to nQn
39
14
11
140
28
24
175
35
30
210
42
36
ns
2.0
4.5
6.0
Fig.8
tTHL/ tTLH output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.7
tW
clock pulse width
HIGH or LOW
80
16
14
17
6
5
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.7
tW
master reset pulse
width; HIGH
80
16
14
19
7
6
100
20
17
120
24
20
ns
2.0
4.5
6.0
Fig.8
trem
removal time
nMR to nCP
5
3
1
5
ns
2.0
4.5
6.0
Fig.8
fmax
maximum clock pulse
frequency
6
30
35
30
90
107
5
24
28
4
20
24
MHz
2.0
4.5
6.0
Fig.7
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