HCF40208 Просмотр технического описания (PDF) - STMicroelectronics
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HCF40208 Datasheet PDF : 13 Pages
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HCC/HCF40208B
DYNAMIC ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
tr, tf Clock Rise and Fall Time
thold
Hold Time
Data to Clock t h ( D)
Write Enable to Clock th (WE )
Write Address to Clock ts (WA )
tW
Clock Pulse Width
Clock or Write Enable tW(CL )
Write Address t W(WA)
fCL
Maximum Clock Input Frequency
Test Conditions
V D D (V)
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
Min.
220
100
80
270
130
80
330
140
90
350
130
90
300
150
90
1.5
3.5
4.5
V al ue
Typ.
110
50
40
135
65
40
165
70
45
175
65
45
150
75
45
3
7
9
Max.
15
5
5
Unit
µs
ns
ns
ns
ns
MHz
Output Low (sink) Current Characteristics.
Output High (source) Current Characteristics.
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