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전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크

74F640 데이터 시트보기 (PDF) - Fairchild Semiconductor

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74F640
Octal Bus Transceiver with 3-STATE Outputs
Fairchild
Fairchild Semiconductor Fairchild
74F640 Datasheet PDF : 6 Pages
1 2 3 4 5 6
AC Electrical Characteristics 74F640
Symbol
Parameter
tPLH
Propagation Delay
tPHL
A Input to B Output
tPLH
Propagation Delay
tPHL
B Input to A Output
tPZH
Enable Time
tPZL
OE Input to A Output
tPHZ
Disable Time
tPLZ
OE Input to A Output
tPZH
Enable Time
tPZL
OE Input to B Output
tPHZ
Disable Time
tPLZ
OE Input to B Output
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
2.5
7.5
2.0
7.0
2.5
7.5
2.0
7.0
2.5
7.5
2.5
8.0
1.5
7.0
1.5
6.0
2.5
7.5
2.5
8.0
1.5
7.0
1.5
6.0
AC Electrical Characteristics 74F645
Symbol
Parameter
tPLH
Propagation Delay
tPHL
A Input to B Output
tPLH
Propagation Delay
tPHL
B Input to A Output
tPZH
Enable Time
tPZL
OE Input to A Output
tPHZ
Disable Time
tPLZ
OE Input to A Output
tPZH
Enable Time
tPZL
OE Input to B Output
tPHZ
Disable Time
tPLZ
OE Input to B Output
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
1.5
6.0
2.0
7.0
1.5
6.0
2.0
7.0
2.5
8.0
2.5
8.5
1.5
7.0
1.0
5.5
2.5
7.5
2.5
8.5
1.5
6.5
1.0
5.5
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
2.0
8.0
2.0
7.0
2.0
8.0
2.0
7.0
2.0
9.0
2.0
8.5
1.0
7.5
1.5
6.0
2.0
9.0
2.0
8.5
1.0
7.5
1.5
6.0
Units
ns
ns
ns
ns
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
1.5
7.0
2.0
7.5
1.5
7.0
2.0
7.5
2.0
9.0
2.0
8.5
1.0
8.0
1.0
5.5
2.0
9.5
2.5
9.0
1.0
7.5
1.0
5.5
Units
ns
ns
ns
ns
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