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74F651 Datasheet, PDF (6/8 Pages) Fairchild Semiconductor – Transceivers/Registers
AC Electrical Characteristics
Symbol
Parameter
fMAX
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
tPLH
tPHL
Max. Clock Frequency
Propagation Delay
Clock to Bus
Propagation Delay
Bus to Bus (74F651)
Propagation Delay
Bus to Bus (74F652)
Propagation Delay
SBA or SAB to A or B
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
2.0
7.0
2.0
8.0
2.0
8.5
1.0
7.5
1.0
7.0
1.0
6.5
2.0
8.5
2.0
8.0
AC Operating Requirements
Symbol
Parameter
tPZH
tPZL
tPHZ
tPLZ
tPZH
tPZL
tPHZ
tPLZ
tS(H)
tS(L)
tH(H)
tH(L)
tW(H)
tW(L)
Enable Time
*OEBA to A
Disable Time
*OEBA to A
Enable Time
OEAB to B
Disable Time
OEAB to B
Setup Time, HIGH or
LOW, Bus to Clock
Hold Time, HIGH or
LOW, Bus to Clock
Clock Pulse Width
HIGH or LOW
TA = +25°C
VCC = +5.0V
Min
Max
2.0
9.5
2.0
12.0
1.0
7.5
2.0
8.5
2.0
9.5
3.0
13.0
2.0
9.0
2.0
10.5
5.0
5.0
2.0
2.0
5.0
5.0
TA = −55°C to +125°C
VCC = +5.0V
CL = 50 pF
Min
Max
75
2.0
8.5
2.0
9.5
1.0
9.0
1.0
8.0
1.0
8.0
1.0
8.0
2.0
11.0
2.0
10.0
TA = −55°C to +125°C
VCC = +5.0V
Min
Max
2.0
10.0
2.0
10.0
1.0
9.0
1.0
9.0
2.0
10.0
2.0
12.0
1.0
9.0
1.0
12.0
5.0
5.0
2.5
2.5
5.0
5.0
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
90
2.0
8.0
2.0
9.0
2.0
9.0
1.0
8.0
1.0
7.5
1.0
7.0
2.0
9.5
2.0
9.0
TA = 0°C to +70°C
VCC = +5.0V
Min
Max
2.0
10.0
2.0
12.5
1.0
8.0
2.0
9.0
2.0
10.0
3.0
14.0
2.0
10.0
2.0
11.0
5.0
5.0
2.0
2.0
5.0
5.0
Units
MHz
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Units
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