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SSD1854Z Datasheet(PDF) 39 Page - List of Unclassifed Manufacturers

Part # SSD1854Z
Description  LCD Segment / Common Driver with Controller CMOS
PDF  48 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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SSD1854Z Datasheet(HTML) 39 Page - List of Unclassifed Manufacturers

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SSD1854
Series
Rev 1.0
08/2002
SOLOMON
34
11 AC CHARACTERISTICS
Table 11 - AC Characteristics (Unless otherwise specified, Voltage Referenced to VSS, VDD, VCI = 2.7V,
TA = -20 to 85
°C)
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
∆Fosc
Variation of Oscillation Frequency
Oscillator Resistor = 680K
Ω
-10
-
+10
%
Frame Frequency =
MUX
)
1
PWM
(
FOSC
×
+
where
Fosc is the oscillation Frequency
PWM is the Pulse Width Modulation level
MUX is the multiplex ratio
Example 1:
Fosc = 120KHz; PWM = 9 level; MUX = 160
Frame Frequency = 75 Hz
Example 2:
Fosc = 120KHz; PWM = 15 level; MUX = 128
Frame Frequency = 58.6 Hz
Oscillation Frequency at different VDD
60.00
90.00
120.00
150.00
180.00
210.00
1.8
2.1
2.4
2.7
3
3.3
VDD (V)
470K
560K
680K
820K
1000K
Figure 8 - Oscillation Frequency at different VDD at 25
°°°°C



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