IDT54FCT807CT 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT807CT Datasheet PDF : 7 Pages
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IDT54/74FCT807BT/CT
FAST CMOS 1-TO-10 CLOCK DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE(3,4)
IDT54/74FCT807BT
IDT54/74FCT807CT
Symbol
Parameter
tPLH Propagation Delay
tPHL
tR
Output Rise Time
tF
Output Fall Time
tSK(o) Output skew: skew between outputs of
same package (same transition)
Com'l.
Conditions(1) Min.(2) Max.
50Ω to VCC/2, 1.3 2.7
CL = 10pF
(See figure 1) — 1.5
or 50Ω ac — 1.5
termination, — 0.5
CL = 10pF
Mil.
Min.(2) Max.
—
—
—
Com'l.
Min.(2) Max.
1.3 2.5
Mil.
Min.(2) Max.
— 1.5 —
— 1.5 —
— 0.25 —
Unit
ns
ns
ns
ns
tSK(p) Pulse skew: skew between opposite
transitions of same output (|tPHL -– tPLH|)
(See figure 2) — 0.5 —
f ≤ 100MHz
— 0.35 —
ns
tSK(t) Package skew: skew between outputs of
Outputs
— 0.9 —
different packages at same power supply connected in
voltage, temperature, package type and
groups of two
speed grade
IDT54/74FCT807BT
— 0.65 —
ns
3017 tbl 06
IDT54/74FCT807CT
Symbol
tPLH
tPHL
tR
Parameter
Propagation Delay
Output Rise Time
Com'l.
Conditions(1) Min.(2) Max.
CL = 30pF 1.5 3.8
f ≤ 67MHz
(See figure 3) — 1.5
Mil.
Min.(2) Max.
—
Com'l.
Min.(2) Max.
1.5 3.5
— 1.5
Mil.
Min.(2) Max.
—
Unit
ns
ns
tF
Output Fall Time
— 1.5 —
— 1.5 —
ns
tSK(o) Output skew: skew between outputs of
same package (same transition)
— 0.5 —
— 0.25 —
ns
tSK(p) Pulse skew: skew between opposite
transitions of same output (|tPHL -– tPLH|)
— 0.5 —
— 0.35 —
ns
tSK(t)
Package skew: skew between outputs of
different packages at same power supply
voltage, temperature, package type and
speed grade
— 0.9 —
— 0.75 —
ns
3017 tbl 07
IDT54/74FCT807BT
IDT54/74FCT807CT
Symbol
tPLH
tPHL
tR
Parameter
Propagation Delay
Output Rise Time
Com'l.
Conditions(1) Min.(2) Max.
CL = 50pF 1.5 3.8
f ≤ 40MHz
(See figure 4) — 1.5
Mil.
Min.(2) Max.
—
Com'l.
Min.(2) Max.
1.5 3.5
— 1.5
Mil.
Min.(2) Max.
—
Unit
ns
ns
tF
Output Fall Time
— 1.5 —
— 1.5 —
ns
tSK(o) Output skew: skew between outputs of
same package (same transition)
— 0.5 —
— 0.35 —
ns
tSK(p) Pulse skew: skew between opposite
transitions of same output (|tPHL -– tPLH|)
— 0.60 —
— 0.45 —
ns
tSK(t) Package skew: skew between outputs of
— 1.0 —
— 0.75 —
ns
different packages at same power supply
voltage, temperature, package type and
speed grade
NOTES:
3017 tbl 08
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.
9.3
4
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