SSD1814 View Datasheet(PDF) - Solomon Systech

Part Name

Description

Manufacturer

SSD1814

LCD Segment / Common Driver with Controller

Solomon Systech  

ELECTRICAL CHARACTERISTICS (Voltage Referenced to VSS, VDD=1.8 to 3.5V, TA=25°C; unless otherwise specified.)

Symbol

Parameter

Test Condition

Min

Typ

Max Unit

VIH1 Input high voltage

(RES, D0-D7,R/W(WR), D/C)

0.8*VDD

-

VDD

V

VIL1 Input Low voltage

0

(RES, CS1,CS2, D0-D7, R/W(WR), D/C, S/P)

VL2 LCD Display Voltage Output

VL3

(VL2, VL3, VL4, VL5, VL6 Pins)

VL4

VL5

VL6

Voltage reference to VDD, Smart Bias Divider

-

Enabled, 1:6 bias ratio

-

-

-

-

-

0.2*VDD V

1/6*VL6

-

V

2/6*VL6

-

V

4/6*VL6

-

V

5/6*VL6

-

V

VL6

-

V

VL2 LCD Display Voltage Output

VL3

(VL2, VL3, VL4, VL5, VL6 Pins)

VL4

VL5

VL6

Voltage reference to VDD, Smart Bias Divider

-

1/8*VL6

-

V

Enabled, 1:8 bias ratio

-

2/8*VL6

-

V

-

6/8*VL6

-

V

-

7/8*VL6

-

V

-

VL6

-

V

VL2 LCD Display Voltage Input

VL3

(VL2, VL3,VL4, VL5, VL6 Pins)

VL4

VL5

VL6

IOH Output High Current Source

(D0-D7)

Voltage reference to VDD, External Voltage Gener- VL3

-

VDD

V

ator, Smart Bias Divider Disabled

VL4

-

VL2

V

VL5

-

VL3

V

VL6

-

VL4

V

-12V

-

VL5

V

Vout=VDD-0.4V

50

-

-

µA

IOL Output Low Current Drain

(D0-D7)

Vout=0.4V

-

-

-50 µA

IOZ

IIL/IIH

CIN

∆VL6

Output Tri-state Current Drain Source

(D0-D7)

Input Current

(RES, D0-D7, R/W(WR), D/C, S/P)

Input Capacitance

(all logic pins)

Variation of VL6 Output (VDD is fixed)

PTC0

PTC1

PTC2

PTC3

PTC4

PTC5

PTC6

PTC7

Temperature Coefficient Compensation

Flat Temperature Coefficient [POR]

Temperature Coefficient 1*

Temperature Coefficient 2*

Temperature Coefficient 3*

Temperature Coefficient 4*

Temperature Coefficient 5*

Temperature Coefficient 6*

Temperature Coefficient 7*

-1

-1

-

Regulator Enabled, Internal Contrast Control

-

Enabled, Set Contrast Control Register = 0

-

1

µA

-

1

µA

5

7.5 pF

±3

-

%

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

Voltage Regulator Enabled

0

-0.075

-0.15

-0.20

-0.01

TBD

-0.10

TBD

-0.18

TBD

TBD

-0.25

-0.075 %/C

%/C

-0.15 %/C

%/C

-0.20 %/C

%/C

%/C

%/C

* The formula for the temperature coefficient is:

TC(%)=

Vref at 50°C - Vref at 0°C

50°C - 0°C

X

1

Vref at 25°C X100%

SOLOMON

REV 0.3 SSD1814

12/99

9

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