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74FR9244 View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
View to exact match
74FR9244
Fairchild
Fairchild Semiconductor Fairchild
74FR9244 Datasheet PDF : 5 Pages
1 2 3 4 5
AC Electrical Characteristics
Symbol
Parameter
tPLH
Propagation Delay
tPHL
tPZH
Output Enable Time
tPZL
tPHZ
Output Disable Time
tPLZ
Extended AC Characteristics
TA = +25°C
VCC = +5.0V
CL = 50 pF
Min
Typ
Max
1.0
2.6
4.1
1.0
1.8
4.1
2.6
4.8
7.0
2.6
3.9
7.0
1.6
3.7
6.1
1.6
3.6
6.1
TA = 0°C to +70°C
VCC = +5.0V
CL = 50 pF
Min
Max
1.0
4.1
1.0
4.1
2.6
7.0
2.6
7.0
1.6
6.1
1.6
6.1
Units
ns
ns
ns
TA = 0°C to +70°C
TA = 0°C to +70°C
VCC = +5.0V
VCC = +5.0V
Symbol
Parameter
CL = 50 pF
Eight Outputs Switching
CL = 250 pF
(Note 4)
Units
(Note 3)
Min
Max
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tOSHL
Propagation Delay
Output Enable Time
Output Disable Time
Pin-to-Pin Skew
for HL Transitions (Note 5)
1.0
6.0
2.3
8.0
ns
1.0
6.0
2.3
8.0
2.6
8.5
ns
2.6
8.5
1.6
6.5
ns
1.6
6.5
1.3
ns
tOSLH
Pin-to-Pin Skew
for LH Transitions (Note 5)
1.7
ns
tOST
Pin-to-Pin Skew
for HL/LH Transitions (Note 5)
3.0
ns
Note 3: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase, i.e., all LOW-to-
HIGH, HIGH-to-LOW, 3-STATE-to-HIGH, etc.
Note 4: These specifications guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load
capacitors in the standard AC load. This specification pertains to single output switching only.
Note 5: Skew is defined as the absolute value of the difference between the actual propagation delays for any two outputs of the same device. The specifi-
cation applies to any outputs switching HIGH-to-LOW, (tOSHL), LOW-to-HIGH, (tOSLH), or HIGH-to-LOW and/or LOW-to-HIGH, (tOST). Specification guaran-
teed with all outputs switching in phase.
3
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