MACH435Q-25JC 데이터 시트보기 (PDF) - Lattice Semiconductor
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MACH435Q-25JC Datasheet PDF : 30 Pages
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KEY TO SWITCHING WAVEFORMS
WAVEFORM
INPUTS
Must be
Steady
May
Change
from H to L
May
Change
from L to H
Don’t Care,
Any Change
Permitted
Does Not
Apply
OUTPUTS
Will be
Steady
Will be
Changing
from H to L
Will be
Changing
from L to H
Changing,
State
Unknown
Center
Line is High-
Impedance
“Off” State
KS000010-PAL
SWITCHING TEST CIRCUIT
5V
S1
R1
Output
Test Point
R2
CL
17469E-22
Specification
tPD, tCO
tEA
tER
S1
Closed
Z → H: Open
Z → L: Closed
H → Z: Open
L → Z: Closed
Commercial
CL
R1
R2
35 pF
5 pF
300 Ω
390 Ω
Measured
Output Value
1.5 V
1.5 V
H → Z: VOH – 0.5 V
L → Z: VOL + 0.5 V
*Switching several outputs simultaneously should be avoided for accurate measurement.
26
MACH435-12/15/20, Q-20/25
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