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W191 Datasheet, PDF (5/10 Pages) SpectraLinear Inc – Skew Controlled SDRAM Buffer
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W191
AC Electrical Characteristics: TA = 0°C to +70°C (Commercial), VDDQ3 = 3.3V ± 5%,TA = -40°C to +85°C (Industrial),
VDDQ3 = 3.3V ± 5% (Lump Capacitance Test Load = 30pF)
Parameter
fIN
fIN
tR
Description
Input Frequency (Commercial)
Input Frequency (Industrial)
Output Rise Edge Rate
tF
Output Fall Edge Rate
tSR
Output Skew, Rising Edges
tSF
Output Skew, Falling Edges
tEN
Output Enable Time
tDIS
Output Disable Time
tPR
Rising Edge Propagation Delay
tPF
Falling Edge Propagation Delay
tD
Duty Cycle
Zo
AC Output Impedance
Test Condition
Measured from 0.4V
to 2.4V
Measured from 2.4V
to 0.4V
Measured at 1.5V
Min.
0
0
1.0
1.0
1.0
1.0
2.5
2.5
45
Typ. Max.
133
100
4.0
4.0
150
150
8.0
8.0
5.0
5.0
55
15
Unit
MHz
MHz
V/ns
V/ns
ps
ps
ns
ns
ns
ns
%
Ω
Document #: 38-07008 Rev. *B
Page 5 of 10
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