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54F399DMQB 查看數據表(PDF) - National ->Texas Instruments

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54F399DMQB Quad 2-Port Register National-Semiconductor
National ->Texas Instruments National-Semiconductor
54F399DMQB Datasheet PDF : 10 Pages
1 2 3 4 5 6 7 8 9 10
AC Electrical Characteristics
Symbol
Parameter
fmax
Input Clock Frequency
tPLH
tPHL
Propagation Delay
CP to Q or Q
’F398 3 3 ns
74F
TA e a25 C
VCC e a5 0V
CL e 50 pF
Min
Typ
Max
100
140
30
57
75
30
68
90
54F
TA VCC e Mil
CL e 50 pF
Min
Max
80
30
95
30
11 5
AC Operating Requirements
Symbol
Parameter
ts(H)
ts(L)
th(H)
th(L)
ts(H)
ts(L)
ts(H)
ts(L)
th(H)
th(L)
tw(H)
tw(L)
Setup Time HIGH or LOW
In to CP
Hold Time HIGH or LOW
In to CP
Setup Time HIGH or LOW
S to CP (’F398)
Setup Time HIGH or LOW
S to CP (’F399)
Hold Time HIGH or LOW
S to CP
CP Pulse Width
HIGH or LOW
74F
TA e a25 C
VCC e a5 0V
Min
Max
30
30
10
10
75
75
75
75
0
0
40
50
54F
TA VCC e Mil
Min
Max
45
45
15
15
10 5
10 5
95
95
0
0
40
70
74F
TA VCC e Com
CL e 50 pF
Min
Max
100
30
85
30
10 0
Units
MHz
ns
74F
TA VCC e Com
Min
Max
30
30
10
10
85
85
85
85
0
0
40
50
Units
ns
ns
ns
5
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