PI74FCT541ATQE Просмотр технического описания (PDF) - Pericom Semiconductor
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PI74FCT541ATQE Datasheet PDF : 8 Pages
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PI74FCT244T/2244T
PI74FCT541T/2541T
Fast CMOS Non-Inverting Octal Buffer/Line Drivers
PI74FCT244/2244T Switching Characteristics over Operating Range
Param-
eters
Description
Condi-
tions(1)
244T/2244T
Com.
Min Max
244AT/2244AT
Com.
Min Max
tPLH
tPHL
Propagation Delay(2)
1.5 6.5
1.5
4.8
tPZH Output Enable Time
tPZL OEX to ON
CL = 50pF
1.5
8.0
1.5
6.2
tPHZ
tPLZ
Output Disable
Time(3)
OEX to ON
1.5 7.0
1.5
5.6
244CT/2244CT
Com.
Min Max
1.5 4.1
1.5 5.8
1.5 5.2
244DT
Com.
Units
Min Max
1.5 3.6 ns
1.5 4.8 ns
1.5 4.0 ns
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
PI74FCT541/2541T Switching Characteristics over Operating Range
Parameters
Description
Conditions(1)
541T/2541T
Com.
541AT/
2541AT
Com.
tPLH
Propagation Delay(2)
tPHL
DN to ON
Min Max Min Max
1.5 6.0 1.5 4.8
tPZH
tPZL
Output Enable Time
OEX to ON
CL = 50pF
RL = 500Ω
1.5 9.5 1.5 6.2
tPHZ
tPLZ
Output Disable
Time(3)
OEX to ON
1.5 6.5 1.5 5.6
541CT/
2541CT
Com.
Min Max
1.5 4.1
1.5 5.8
1.5 5.2
541DT
Com.
Min Max
Units
1.5 3.8 ns
1.5 5.2 ns
1.5 5.2 ns
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
08-0291
5
PS2011G
11/10/08
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