IDT54FCT841AT 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT841AT Datasheet PDF : 7 Pages
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IDT54/74FCT841AT/BT/CT/DT
FAST CMOS BUS INTERFACE LATCHES
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
FCT841AT
FCT841BT
Com'l.
Mil.
Com'l.
Mil.
Symbol
tPLH
tPHL
Parameter
Propagation Delay
DI to YI (LE = HIGH)
tPLH
tPHL
Propagation Delay
LE to YI
tPZH
tPZL
Output Enable Time OE to YI
tPHZ
tPLZ
Output Disable Time OE to Y I
tSU
Data to LE Set-up Time
Conditions(1)
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 5pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 50pF
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
1.5 9.0 1.5 10.0 1.5 6.5 1.5 7.5 ns
1.5 13.0 1.5 15.0 1.5 13.0 1.5 15.0
1.5 12.0 1.5 13.0 1.5 8.0 1.5 10.5 ns
1.5 16.0 1.5 20.0 1.5 15.5 1.5 18.0
1.5 11.5 1.5 13.0 1.5 8.0 1.5 8.5 ns
1.5 23.0 1.5 25.0 1.5 14.0 1.5 15.0
1.5 7.0 1.5 9.0 1.5 6.0 1.5 6.5 ns
1.5 8.0 1.5 10.0 1.5 7.0 1.5 7.5
2.5 — 2.5 — 2.5 — 2.5 — ns
tH
Data to LE Hold Time
tW
LE Pulse Width HIGH(3)
RL = 500Ω
2.5 — 3.0 — 2.5 — 2.5 — ns
4.0 — 5.0 — 4.0 — 4.0 — ns
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. These parameters are guaranteed but not tested.
4. These conditions are guaranteed but not tested.
2571 tbl 08
SWITCHING CHARACTERISTICS OVER OPERATING RANGE
FCT841CT
FCT841DT
Com'l.
Mil.
Com'l.
Mil.
Symbol
tPLH
tPHL
Parameter
Propagation Delay
DI to YI (LE = HIGH)
tPLH
tPHL
Propagation Delay
LE to YI
tPZH
tPZL
Output Enable Time OE to YI
tPHZ
tPLZ
Output Disable Time OE to Y I
tSU
Data to LE Set-up Time
Conditions(1)
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 300pF(4)
RL = 500Ω
CL = 5pF(4)
RL = 500Ω
CL = 50pF
RL = 500Ω
CL = 50pF
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
1.5 5.5 1.5 6.3 1.5 4.2 —
— ns
1.5 13.0 1.5 15.0 1.5 8.0 —
—
1.5 6.4 1.5 6.8 1.5 4.0 —
— ns
1.5 15.0 1.5 16.0 1.5 8.0 —
—
1.5 6.5 1.5 7.3 1.5 4.8 —
— ns
1.5 12.0 1.5 13.0 1.5 9.0 —
—
1.5 5.7 1.5 6.0 1.5 4.0 —
— ns
1.5 6.0 1.5 6.3 1.5 4.0 —
—
2.5 — 2.5 — 1.5 —
—
— ns
tH
Data to LE Hold Time
tW
LE Pulse Width HIGH(3)
RL = 500Ω
2.5 — 2.5 — 1.0 —
—
— ns
4.0 — 4.0 — 3.0 —
—
— ns
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. These parameters are guaranteed but not tested.
4. These conditions are guaranteed but not tested.
2571 tbl 09
6.22
5
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