IDT54157ATD Ver la hoja de datos (PDF) - Integrated Device Technology
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IDT54157ATD Datasheet PDF : 9 Pages
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IDT54/74FCT240/244T/AT/CT/DT - 2240/2244T/AT/CT, IDT54/74FCT540/541/2541T/AT/CT
FAST CMOS OCTAL BUFFER/LINE DRIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
SWITCHING CHARACTERISTICS OVER OPERATING RANGE FOR FCT540/541/2541T
FCT540T/541T
FCT2541T
FCT540AT/541AT
FCT2541AT
FCT540CT/541CT
FCT2541CT
Com'l.
Mil.
Com'l.
Mil.
Com'l.
Mil.
Symbol
Parameter
Condition(1)
Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Min.(2) Max. Unit
tPLH
Propagation Delay
tPHL
DN to ON
CL = 50pF
RL = 500Ω
1.5 8.5 1.5 9.5 1.5 4.8 1.5 5.1 1.5 4.3 1.5 4.7 ns
FCT540
tPLH
Propagation Delay
1.5 8.0 1.5 9.0 1.5 4.8 1.5 5.1 1.5 4.1 1.5 4.6 ns
tPHL
DN to ON
FCT541/2541T
tPZH
Output Enable Time
1.5 10.0 1.5 10.5 1.5 6.2 1.5 6.5 1.5 5.8 1.5 6.5 ns
tPZL
tPHZ
Output Disable Time
1.5 9.5 1.5 10.0 1.5 5.6 1.5 5.9 1.5 5.2 1.5 5.7 ns
tPLZ
NOTES:
1. See test circuit and waveforms.
2. Minimum limits are guaranteed but not tested on Propagation Delays.
2565 tbl 13
6.8
7
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