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производитель

ML9040A

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

Oki Electric Industry 

¡ Semiconductor

PEDL9040A-03

ML9040A-Axx/-Bxx

ELECTRICAL CHARACTERISTICS

DC Characteristics

Parameter Symbol

Condition

Min.

"H" Input Voltage

"L" Input Voltage

"H" Input Voltage

"L" Input Voltage

"H" Output Voltage

"L" Output Voltage

"H" Output Voltage

"L" Output Voltage

Driver ON Resistor

(COM pins)

VIH1

VIL1

VIH2

VIL2

VOH1

VOL1

VOH2

VOL2

RCOM

—

—

—

—

IO = –0.205mA

IO = 1.2mA

IO = –40mA

IO = 40mA

2.2

–0.3

VDD–1.0

–0.3

2.4

—

0.9VDD

—

IO = ±50mA, VLCD = 4V

—

Driver ON Resistor RSEG

(SEG pins)

IO = ±50mA, VLCD = 4V

—

Input Leakage Current IIL

VI = VSS

VI = VDD

—

—

VDD = 5.0V

–50

VI = VSS

Input Current

IIL2 VI = VDD, excluding current

flowing over pullup resistor —

and output drive MOS

VDD = 5.0V,

resistor oscillation or

external clock input via

OSC1.

Supply Current (1) IDD1 fOSC = 270kHz.

—

E is in "L" level.

Other inputs are open.

Output pins are

all no load.

*1

VDD = 5.0V,

ceramic oscillation,

fOSC = 250kHz.

Supply Current (2) IDD2 E is in "L" level.

—

Other pins are open.

Output pins are

all no load.

*1

LCD Driving Bias

Input Voltage

Schmitt voltage

width

VLCD1

VLCD2

VDD–V5 *6

1/5 bias

1/4 bias

3.0

3.0

VSUM ———

0.6

Built-in reset

detection voltage

VRES ———

—

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

Typ. Max. Unit Applicable pin

—

VDD

V RS, E, DB0 - DB7

—

0.6

V DB0 - DB7, RS, E, R/W

—

VDD

V

OSC1, R/W

—

1.0

V

OSC1

—

—

V

—

0.4

V

DB0 - DB7

—

—

V

DO, CP, L,

— 0.1VDD V

DF, OSC2

—

20

kW COM1 - COM16

—

30 kW

—

–1 mA

—

1

mA

–125 –250 mA

—

2

mA

SEG1 - SEG40

E

R/W, RS

DB0 - DB7

0.35 0.6 mA

VDD

0.55 0.8 mA

VDD

—

6.0

V

—

6.0

0.7

0.8

V

—

3.0

V

VDD, V1, V2,

V3, V4, V5

E

VDD

7/49

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