74F779 데이터 시트보기 (PDF) - Fairchild Semiconductor
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74F779 Datasheet PDF : 7 Pages
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AC Electrical Characteristics
Symbol
Parameter
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Maximum Clock Frequency
Propagation Delay
CP to I/On
Propagation Delay
CP to TC
Propagation Delay
CET to TC
Propagation Delay
SN to TC
Output Enable Time
OE to I/On
Output Disable Time
OE to I/On
AC Operating Requirements
Symbol
tS(H)
tS(L)
tH(H)
tH(L)
tS(H)
tS(L)
tH(H)
tH(L)
tS(H)
tS(L)
tH(H)
tH(L)
tW(H)
tW(L)
Setup Time
I/On to CP
Hold Time
I/On to CP
Setup Time
Sn to CP
Hold Time
Sn to CP
Setup Time
CET to CP
Hold Time
CET to CP
Clock Pulse Width
HIGH or LOW
Parameter
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
100
105
3.0
5.0
8.0
5.0
7.5
11.0
5.0
7.5
9.0
5.0
9.3
10.5
2.5
3.8
5.5
4.5
6.1
8.0
3.5
6.5
12.0
3.5
7.5
12.0
3.0
5.0
7.0
5.0
8.0
10.0
1.0
4.0
6.5
1.0
3.7
6.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
3.0
8.5
5.0
11.0
5.0
10.0
5.0
11.5
2.5
6.0
4.5
8.5
3.5
13.0
3.5
13.0
3.0
8.0
5.0
10.5
1.0
7.0
1.0
7.0
Units
ns
ns
ns
ns
ns
ns
TA = +25°C
VCC = +5.0V
Min
Max
5.0
5.0
0.0
0.0
9.5
9.5
0.0
0.0
7.0
7.0
0.0
0.0
4.0
4.0
TA = 0°C to +70°C
VCC = +5.0V
Min
Max
5.0
5.0
0.0
0.0
10.0
10.0
0.0
0.0
7.0
7.0
0.0
0.0
4.0
4.0
Units
ns
ns
ns
ns
ns
ns
ns
5
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