ML9040A datasheet(7/49 Pages) OKI

Part #	ML9040A

Description	DOT MATRIX LCD CONTROLLER WITH 16-DOT COMMON DRIVER AND 40-DOT SEGMENT DRIVER

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Manufacturer	OKI [OKI electronic componets]

Direct Link	http://www.oki.com

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ML9040A-Axx/-Bxx

¡ Semiconductor

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PEDL9040A-03

ELECTRICAL CHARACTERISTICS

DC Characteristics

Parameter

"H" Input Voltage

(VDD = 4.5 to 5.5V, Ta = –20 to +75°C)

Symbol

Condition

Min.

Typ.

Max.

Unit

Applicable pin

VIH1

—

2.2

—

VDD

V

RS, E, DB0 - DB7

DB0 - DB7, RS, E, R/W

"L" Input Voltage

VIL1

—

–0.3

—

0.6

V

"H" Input Voltage

VIH2

—VDD–1.0

—

VDD

V

OSC1, R/W

OSC1

"L" Input Voltage

VIL2

—

–0.3

—

1.0

V

"H" Output Voltage

VOH1

IO = –0.205mA

2.4

—

V

DB0 - DB7

"L" Output Voltage

VOL1

IO = 1.2mA

—

0.4

V

"H" Output Voltage

VOH2

IO = –40mA

0.9VDD

—

V

DO, CP, L,

DF, OSC2

"L" Output Voltage

VOL2

IO = 40mA

—

0.1VDD

V

Driver ON Resistor

(COM pins)

RCOM

IO = ±50mA, VLCD = 4V

—

20

kW

COM1 - COM16

Driver ON Resistor

(SEG pins)

RSEG

IO = ±50mA, VLCD = 4V

—

30

kW

SEG1 - SEG40

Schmitt voltage

width

VSUM

———

0.6

3.0

0.7

0.8

V

E

Built-in reset

detection voltage

VRES

———

—

3.0

V

VDD

Input Leakage Current

IIL

VI = VSS

——

–1

mA

E

VI = VDD

——

1

mA

Input Current

IIL2

VDD = 5.0V

VI = VSS

–50

–125

–250

mA

R/W, RS

DB0 - DB7

VI = VDD, excluding current

flowing over pullup resistor

and output drive MOS

——

2

mA

VDD = 5.0V,

resistor oscillation or

external clock input via

OSC1.

fOSC = 270kHz.

E is in "L" level.

Other inputs are open.

Output pins are

all no load.

*1

VDD

Supply Current (1)

IDD1

—

0.35

0.6

mA

LCD Driving Bias

Input Voltage

VLCD1

1/5 bias

—

6.0

V

VDD, V1, V2,

V3, V4, V5

1/4 bias

—

6.0

VDD

Supply Current (2)

IDD2

—

0.55

0.8

mA

VLCD2

VDD = 5.0V,

ceramic oscillation,

fOSC = 250kHz.

E is in "L" level.

Other pins are open.

Output pins are

all no load.

*1

VDD–V5

*6

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