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HCF4518B 数据表(PDF) 6 Page - STMicroelectronics

部件名 HCF4518B
功能描述  DUAL UP-COUNTERS
PDF  14 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

HCF4518B 数据表(HTML) 6 Page - STMicroelectronics

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DYNAMIC ELECTRICAL CHARACTERISTICS (Tamb =25°C, CL = 50pF, RL = 200kΩ,
typical temperature coefficient for all VDD =0.3%/°C values, all input rise and fall time = 20ns)
Test Conditions
Value
Symbol
Parameter
VDD (V) Min.
Typ.
Max.
Unit
tPLH,
tPHL
Propagation Delay Time
(clock or enable to output)
5280
560
ns
10
115
230
15
80
160
tPLH,
tPHL,
Propagation Delay Time
(reset to output)
5330
650
ns
10
130
225
15
90
170
tTLH ,tTHL
Transition Time
5
100
200
ns
10
50
100
15
40
80
tW
Clock Pulse Width
5
200
100
ns
10
100
50
15
70
35
tW
Reset Pulse Width
5
250
125
ns
10
110
55
15
80
40
tW
Enable Pulse Width
5
400
200
ns
10
200
100
15
140
70
tr,
tf
Clock or Enable Rise and Fall
Time
515
µs
10
15
15
5
fmax
Maximum Clock Frequency
5
1.5
3
MHz
10
3
6
15
4
8
tr,
tf
Clock Input Rise or Fall Time
5
15
µs
10
5
15
5
HCC/HCF4518B/4520B
6/14



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