IDT74FCT3807 Просмотр технического описания (PDF) - Integrated Device Technology
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IDT74FCT3807 Datasheet PDF : 8 Pages
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IDT74FCT3807/A
3.3V CMOS 1-TO-10 CLOCK DRIVER
COMMERCIAL/INDUSTRIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE - INDUSTRIAL(3,4)
FCT3807
FCT3807A
Symbol Parameter
Conditions(1)
Min.(2)
Max.
Min.(2)
Max.
Unit
tPLH PropagationDelay
50Ω to VCC/2
1.5
3.5
1.5
3
ns
tPHL
CL = 10pF
tR
Output Rise Time
(See figure 1)
—
1.5
—
1.5
ns
tF
Output Fall Time
or 50Ω AC
—
1.5
—
1.5
ns
tSK(O) Output skew: skew between outputs of
termination,
—
0.6
—
0.45
ns
same package (same transition)
CL = 10pF
tSK(P) Pulse skew: skew between opposite transitions
(See figure 2)
—
0.6
—
0.45
ns
of same output (|tPHL -– tPLH|)
f ≤ 100MHz
tSK(T) Package skew: skew between outputs of different
Outputs
—
0.9
—
0.65
ns
packages at same power supply voltage,
connected in
temperature, package type and speed grade
groups of two
Symbol
tPLH
tPHL
tR
tF
tSK(O)
tSK(P)
tSK(T)
Parameter
Propagation Delay
Output Rise Time
Output Fall Time
Output skew: skew between outputs of
same package (same transition)
Pulse skew: skew between opposite transitions
of same output (|tPHL -– tPLH|)
Package skew: skew between outputs of different
packages at same power supply voltage,
temperature, package type and speed grade
Conditions(1)
CL = 30pF
f ≤ 67MHz
(See figure 3)
FCT3807
Min.(2)
Max.
1.5
4.5
—
1.5
—
1.5
—
0.6
—
0.6
—
1
FCT3807A
Min.(2)
Max.
Unit
1.5
4
ns
—
1.5
ns
—
1.5
ns
—
0.45
ns
—
0.45
ns
—
0.75
ns
Symbol
tPLH
tPHL
tR
tF
tSK(O)
tSK(P)
Parameter
Propagation Delay
Output Rise Time
Output Fall Time
Output skew: skew between outputs of
same package (same transition)
Pulse skew: skew between opposite transitions
of same output (|tPHL -– tPLH|)
Conditions(1)
CL = 50pF
f ≤ 40MHz
(See figure 4)
FCT3807
Min.(2)
Max.
1.5
4.8
—
1.5
—
1.5
—
0.6
—
0.6
FCT3807A
Min.(2)
Max.
Unit
1.5
4.3
ns
—
1.5
ns
—
1.5
ns
—
0.45
ns
—
0.45
ns
tSK(T) Package skew: skew between outputs of different
—
1
—
0.75
ns
packages at same power supply voltage,
temperature, package type and speed grade
NOTES:
1. See test circuits and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. tPLH, tPHL, tSK(t) are production tested. All other parameters guaranteed but not production tested.
4. Propagation delay range indicated by Min. and Max. limit is due to VCC, operating temperature and process parameters. These propagation delay limits do not imply skew.
5
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