HCF4027 查看數據表（PDF） - STMicroelectronics
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HCF4027 Datasheet PDF : 12 Pages
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HCC/HCF4027B
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)
Symbol
Parameter
tPLH, tPHL Propagation
Delay Time
Clock to Q or Q
Outputs
Test Conditions
Value
VDD (V) Min. Typ. Max.
5
150 300
10
65 130
Unit
ns
15
45 90
tPLH
Propagation
Delay Time
Set to Q or Reset
to Q
5
150 300
10
65 130
15
45 90
ns
tPHL
Propagation
Delay Time
Set to Q or Reset
to Q
5
200 400
10
85 170
15
60 120
tTHL, tTLH Transition Time
5
100 200
10
50 100
ns
15
40 80
tW
Pulse Width
Clock
5
140 70
10
60 30
15
40 20
ns
tW
Pulse Width
Set or Reset
5
180 90
10
80 40
15
50 25
tr,tf
Clock Input Rise
or Fall Time
5
15
10
4
µs
15
1
tsetup Setup Time
Data
5
200 100
10
75 35
ns
15
50 25
fmax
Maximum
Clock Input
Frequency *
* Input tr, tf = 5ns.
Toggle Mode
5
3.5
7
10
8
16
15
12 24
MHz
5/12
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