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SSD1854
Series
Rev 1.0
08/2002
SOLOMON
32
10 DC CHARACTERISTICS
Table 10 - DC Characteristics
(Unless otherwise specified, Voltage Referenced to V
SS
, V
DD
= 1.8 to
3.3V, T
A
= -20 to 85
°
C)
Symbol
V
DD
Parameter
Logic Circuit Supply Voltage
Range
Booster Voltage Supply Pin
Internal Reference Voltage
(25
C, -0.10%/
C)
Test Condition
(Absolute value referenced to V
SS
)
Min
1.8
Typ
-
Max
3.3
Unit
V
V
CI
V
REF
Internal Reference Voltage Source
Enabled (REF pin pulled High),
V
EXT
pin NC.
V
DD
= 2.7V, Voltage Generator On,
4X DC-DC Converter Enabled,
Write accessing, T
cyc
=3.3MHz,
Osc. Freq.=120kHz, Display On.
V
DD
= V
CI
= 2.7V, Voltage
Generator On, 4X DC-DC
Converter Enabled. Read/Write
Halt, Osc.
Freq. = 120kHz, Display
On, V
L7
= 13.8V.
V
DD
= 2.7V, LCD Driving Waveform
Off, Oscillating Freq. = 120kHz,
Read/Write halt.
V
DD
= 2.7V, LCD Driving Waveform
Off, Oscillator Off, Read/Write halt.
Display On, Voltage Generator
Enabled, DC/DC Converter
Enabled, Regulator Enabled, Osc.
Freq. = 120kHz,
I
out
= +100μA
I
out
= -100μA
Regulator and Bias Divider Enabled
(V
L7
voltage depends on Internal
contrast Control)
Regulator and Bias Divider Disable
-
2.1
-
I
AC
Access Mode Supply Current
Drain (V
DD
Pin)
-
450
550
μA
I
DP1
Display Mode Supply Current
Drain (V
DD
& V
CI
Pins)
-
550
900
μA
I
SB
Standby Mode Supply
Current Drain
-
90
130
μ
A
I
SLEEP
Sleep Mode Supply Current
Drain (VDD Pins)
LCD Driving Voltage
Generator Output (V
CC
Pin)
-
-
2
μA
V
CC
V
DD
-
17.0
V
V
OH1
V
OL1
V
L7
Output High Voltage (D
0
-D
15
)
Output Low Voltage (D
0
-D
15
)
Most positive LCD Driving
Voltage Source (V
L7
Pin)
0.8*V
DD
0
V
DD
-
-
-
V
DD
0.2*V
DD
17.0
V
LCD
V
V
V
L7
Most positive LCD Driving
Voltage Source (V
L7
Pin)
Input high voltage
(RES , PS0-2, CS, E, D/C ,
R/W, D
0
-D
15
, REF)
Input low voltage
(RES , PS0-2, CS, E, D/C ,
R/W, D
0
-D
15
, REF)
LCD Display Voltage Output
(V
L7
, V
L6
, V
L5
, V
L4
, V
L3
, V
L2
Pins)
LCD Display Voltage Input
(V
L7
, V
L6
, V
L5
, V
L4
, V
L3
, V
L2
Pins)
-
Floating
-
V
V
IH1
0.8*V
DD
-
V
DD
V
V
IL1
0
-
0.2*V
DD
V
V
L7
Regulator and Bias Divider Enabled
-
-
17
V
V
L6
V
L5
V
L4
V
L3
V
L2
V
L7
Voltage reference to V
SS
, External
Voltage Generator, Bias Diver
Disabled
-
-
-
-
-
-
-
-
-
-
-
14.5
11.5
8.5
7.15
5.8
17
V
V
V
V
V
V
V
L6
V
L6
V
L5
V
L4
V
L3
V
L2
V
L5
V
L4
V
L3
V
L2
V
SS
-
-
-
-
V
L7
V
L6
V
L5
V
L4
V
L3
V
V
V
V
V