STE2002 datasheet(45/61 Pages) STMICROELECTRONICS

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STE2002

Electrical characteristics

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6.2

DC operation

VDD1 = 1.7 to 3.6 V; VDD2 = 1.75 to 4.2V; Vss1,2 = 0V; VLCD = 4.5 to 14.5 V;

Tamb = 25°C; unless otherwise specified.

Table 26.

Electrical characteristics DC operation

Symbol

Parameter

Test Condition

Min.

Typ.

Max.

Unit

Supply voltages

VDD1

Supply voltage(1)

1.7

3.6

VDD2

Supply voltage

LCD voltage internally

generated

1.75

4.2

VLCDIN

LCD supply voltage

LCD voltage supplied

externally

4.5

14.5

VLCDOUT

LCD supply voltage

Internally generated(2);

4.5

14.5

I(VDD1)

Supply current

VDD1 = 2.8V;

VLCD = 10V;

fsclk = 0

(3)

µA

VDD1 = 2.8V;

VLCD = 10V; fsclk = 1Mhz;

(1) (3); OSC_IN=GND;

parallel port

120

200

µA

I(VDD2)

Voltage generator supply

current

with VOP = 0 and

PRS = [0:0] with external

VLCD

(4)

µA

VDD2= 2.8V;VLCD=10V;

fsclk= 0;

no display load;

5x charge pump (5) (3) (6)

µA

I(VDD1,2)

Total supply current

VDD1,VDD2= 2.8V;

VLCD = 10V; 5x charge

pump; fsclk = 0;

no display load (5) (3) (6)

µA

Power down Mode with

internal or External

VLCD(7)

310

µA

I(VLDCIN)

External LCD supply

voltage current

VDD =2.8V;

VLCD =10V;no display

load; fsclk = 0

(3)

510

µA

Logic outputs

V0H

High logic level output

voltage

IOH=-500

µA0.8VDD1

VDD1

VOL

Low logic level output

voltage

IOL=500

µAVSS

0.2VDD1

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