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HCF4018B Datasheet(PDF) 5 Page - STMicroelectronics

Part # HCF4018B
Description  PRESETTABLE DIVIDE-BY-N COUNTER
PDF  12 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

HCF4018B Datasheet(HTML) 5 Page - STMicroelectronics

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DYNAMIC ELECTRICAL CHARACTERISTICS (T amb =25°C, CL = 50pF, RL = 200kΩ,
typical temperature coefficient for all VDD values is 0.3%/°C, all input rise and fall times = 20ns)
Val ue
Symbol
Parameter
Test Conditions
V DD (V) Min.
Typ.
Max.
Unit
t PL H,tPHL Propagation Delay Time
5
200
400
ns
10
90
180
15
65
130
t THL,tTL H Transition Time
5
100
200
ns
10
50
100
15
40
80
f CL
Maximum Clock Input Frequency
5
3
6
MHz
10
7
14
15
8.5
17
t W
Clock Input Width
5
160
80
ns
10
70
35
15
50
25
t r,tf
Clock Input Rise or Fall Time
5
Unlimited
µs
10
15
t set up
Data Input Set-up Time
5
40
20
ns
10
12
6
15
6
3
t H
Data Input Hold-time
5
140
70
ns
10
80
40
15
60
30
PRESET* O R RESET OPERATI ON
t PL H,tPHL Propagation Delay Time
(reset or reset to Q)
5
275
550
ns
10
125
250
15
90
180
t W
Preset or Reset Pulse Width
5
160
80
ns
10
70
35
15
50
25
t re m
Preset or Reset Removal Time
5
80
40
ns
10
30
15
15
20
10
• At PRESET ENABLE OR JAM inputs
HCC/HCF4018B
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