39 / 52 page
SSD1805 Series
Rev 1.1
P 39/52
Jun 2004
Solomon Systech
12 AC CHARACTERISTICS
Table 15 - AC Characteristics (Unless otherwise specified, Voltage Referenced to VSS, VDD =2.7V, TA = -30
to 85
°C)
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Fosc
Oscillation Frequency of Display
Timing Generator
Internal Oscillator Enabled (default),
VDD = 2.7V
Remark:
Oscillation Frequency vs.
Temperature change (-20°C to
70°C): -0.05%/°C *
4.4
4.9
5.4
kHz
FFRM
Frame Frequency
132 x 68 Graphic Display Mode,
Display ON, Internal Oscillator
Enabled
132 x 68 Graphic Display Mode,
Display ON, Internal Oscillator
Disabled, External clock with freq.,
Fext, feeding to CL pin.
72
653k
Hz
Hz
Remarks:
Fext stands for the frequency value of external clock feeding to the CL pin.
Fosc stands for the frequency value of internal oscillator.
Frequency limits are based on the software command set: set multiplex ratio to 68 MUX
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