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HCF40208 数据表(PDF) 7 Page - STMicroelectronics

部件名 HCF40208
功能描述  4 x 4 MULTIPORT REGISTER
PDF  13 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

HCF40208 数据表(HTML) 7 Page - STMicroelectronics

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



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