ESC1621 datasheet(5/7 Pages) ETC

номер детали	ESC1621

подробное описание детали	RAM Mapping 32 X 4 LCD Controller for I/O uC

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ESC1621

p. 5

Last update: 2004-03-05 12:13

D.C. Characteristics

Test Conditions

Symbol

Parameter

VDD

Conditions

Min.

Typ.

Max.

Unit

VDD

Operating Voltage

—

2.4

—

5.2

—

220

300

µA

IDD1

Operating Current

No load/LCD ON

On-chip RC oscillator

—

450

600

µA

—

120

µA

IDD2

Operating Current

No load/LCD ON

Crystal oscillator

—

180

240

µA

—

150

200

µA

IDD3

Operating Current

No load/LCD ON

External clock source

—

300

400

µA

—

0.1

µA

ISTB

Standby Current

No load

Power down mode

—

0.3

µA

—

0.6

VIL

Input Low Voltage

DATA,

WR, CS,

—

1.0

2.4

—

3.0

VIH

Input High Voltage

DATA,

WR, CS,

4.0

—

5.0

VOL=0.3V

0.5

1.2

—

IOL1

DATA, BZ,

BZ,

IRQ

VOL=0.5V

1.3

2.6

—

VOH=2.7V

-0.4

-0.8

—

IOH1

DATA, BZ,

VOH=4.5 V

-0.9

-1.8

—

VOL=0.3V

150

—

µA

IOL2

LCD Common Sink Current

VOL=0.5V

150

250

—

µA

VOH=2.7V

-80

-120

—

µA

IOH2

LCD Common Source Cur-

rent

VOH=4.5 V

-120

-200

—

µA

VOL=0.3V

120

—

µA

IOL3

LCD Segment Sink Current

VOL=0.5V

120

200

—

µA

VOH=2.7V

-40

-70

—

µA

IOH3

LCD Segment Source Cur-

rent

VOH=4.5 V

-70

-100

—

µA

150

RPH

Pull-high Resistor

DATA,

WR, CS,

100

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