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SSD1850 Datasheet(PDF) 37 Page - List of Unclassifed Manufacturers

Part # SSD1850
Description  CMOS LCD Segment / Common Driver with Controller
PDF  56 Pages
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Manufacturer  ETC [List of Unclassifed Manufacturers]
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SSD1850 Datasheet(HTML) 37 Page - List of Unclassifed Manufacturers

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SSD1850/51 Series
Rev 1.2
01/2003
SOLOMON
33
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
VREF
External Reference Voltage Input
Internal Reference Voltage
Internal Reference Voltage Source
Disable (REF pin pulled Low),
External Reference voltage input to
VEXT pin.
Internal Reference Voltage Source
Enabled (REF pin pulled High), VEXT
pin NC.
2.04
2.10
2.10
2.16
V
V
VOH1
VOL1
VL6
VL6
Output High voltage (D0-D7)
Output Low Voltage (D0-D7)
LCD Driving Voltage Source (VL6
Pin)
LCD Driving Voltage Source (VL6
Pin)
Iout = +500
µΑ
Iout = -500
µΑ
Regulator Enabled (VL6 voltage
depends on Int/Ext Contrast Control)
Regulator Disable
0.8*VDD
0.0
VDD
-
-
-
-
Floating
VDD
0.2*VDD
VCC-0.5
-
V
V
V
V
VIH1
VIL1
Input high voltage
(RES#, PS0, PS1, CS, D/C#,
R/W#, D0-D7, REF, INTRS)
Input Low voltage
(RES#, PS0, PS1, CS, D/C#,
R/W#, D0-D7, REF, INTRS)
0.8*VDD
0.0
-
-
VDD
0.2*VDD
V
V
VL6
VL5
VL4
VL3
VL2
VL6
VL5
VL4
VL3
VL2
LCD Display Voltage Output
(VL6, VL5, VL4, VL3, VL2 Pins)
LCD Display Voltage Input
(VL6, VL5, VL4, VL3, VL2 Pins)
Divider Enabled, 1:a bias ratio,
a=4~10 for SSD1851 and a =4~9 for
SSD1850.
Voltage reference to VSS, External
Voltage Generator, Divider Disabled
-
-
-
-
-
VL5
VL4
VL3
VL2
VSS
VL6
(a-1)/a*VL6
(a-2)/a*VL6
2/a*VL6
1/a*VL6
-
-
-
-
-
-
-
-
-
-
VCC
VL6
VL5
VL4
VL3
V
V
V
V
V
V
V
V
V
V
IOH
IOL
IOZ
Output High Current Source(D0-D7)
Output Low Current Drain (D0-D7)
Output Tri-state Current Drain
Source (D0-D7)
Vout=VDD-0.4V
Vout=0.4V
50
-
-1
-
-
-
-
-50
1
µA
µA
µA
IIL/IIH
Input Current
(RES#, PS0, PS1,CS#, E(RD#),
D/C#,R/W#(WR#), D0~D7, REF,
INTRS)
-1
1
µA
CIN
Input Capacitance
(all logic pins)
5
7.5
pF
∆VL6
Variation of VL6 Output (1.8V <
VDD < 3.3V)
Regulator Enabled, Internal Contrast
Control Enabled, Set Contrast
Control Register = 0
-
± 2
-
%
PTC0
PTC1
Temperature Coefficient
Compensation
Temperature Coefficient [POR]
Temperature Coefficient
Voltage Regulator Enabled
Voltage Regulator Enabled
-0.04
-0.06
-0.05
-0.07
-0.06
-0.08
%
%
*The formula for the temperature coefficient is:
%
100
*
25
1
*
0
50
0
50
)
/
(%
0
0
0
0
0
0
C
at
V
C
C
C
at
V
C
at
V
C
TC
ref
ref
ref
−
−
=



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