ML9488 datasheet(4/31 Pages) ETC2

Part #	ML9488

Description	Static, 1/2 Duty, 1/3 Duty, 1/4 Duty 80 Outputs LCD Driver

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4 / 31 page

FEDL9488-01

ML9488

4/31

ELECTRICAL CHARACTERISTICS

DC Characteristics

(VDD = 2.7 to 5.5 V, VLCD = 4.5 to 5.5 V, Ta= -40 to +105°C)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Applicable pin

"H" input voltage

VIH

—

0.8VDD

—

VDD

V

(*1)

"L" input voltage

VIL

—

GND

—

0.2VDD

V

(*1)

Input leakage current 1

IL1

VI = VDD or 0 V

-1.0

—

1.0

μA

(*1)

Input leakage current 2

IL2

VI = VDD or 0V

POCEB="H"

-1.0

—

1.0

μA

RESETB

Pull-up current

Ipu

VDD = 5.0V,VI = 0 V

POCEB = "L"

30

—

140

μA

RESETB

"H" output voltage

VOH

IO = -600uA

0.9VDD

—

V



CKO, SYNCB

"L" output voltage 1

VOL1

IO = 600uA

—

0.1VDD

V

CKO, SYNCB

"L" output voltage 2

VOL2

IO = 600uA

—

0.1VDD

V

SDAACK

Segment

VOHS

VLCD = 5V

—

5

15

kΩ

SEG1 to SEG80

Driver

ON resistor

Common

VOHC

VLCD = 5V

—

5

12

kΩ

COM 1 to COM4

(*1) : DATA(SDA), CLOCK(SCL), LOAD, M/S, SYNCB, Duty1, Duty0, BIAS, SA1,SA0, A1, A0, OSC1,

OSC I/E, I2C, POCEB

(VDD = 2.7 to 5.5 V, VLCD = 4.5 to 5.5 V, Ta= -40 to +105°C)

Item

Symbol

Condition

Min.

Typ.

Max.

Unit

Applicable

IDDS

—

8

15

μA

VDD

Static supply

current

ILCDS

VDD=VLCD=5.5 V

Input pin fixed to "H" or "L"

Oscillation stopped, output no-load

POCEB="L"

—

9

15

μA

VLCD

IDD1

(*6)

—

11

20

μA

VDD

Dynamic supply

current 1

ILCD1

VDD=VLCD= 5.5 V (*2)(*3)

Clock OSC1 external input

fCP1=1.8kHz

(*7)

—

10

17

μA

VLCD

IDD2

(*6)

—

62

92

μA

VDD

Dynamic supply

current 2

ILCD2

VDD=VLCD= 5.5 V (*2)(*3)

Internal oscillation

(*7)

—

10

17

μA

VLCD

IDD3

—

131

252

μA

VDD

Dynamic supply

current 3

ILCD3

VDD=VLCD= 5.5 V (*2)(*4)(*6)

Internal oscillation

At three-wire serial IF data input

—

10

17

μA

VLCD

IDD4

—

203

332

μA

VDD

Dynamic supply

current 4

ILCD4

VDD=VLCD= 5.5 V (*2)(*5)(*6)

Internal oscillation

At I

2C IF data input

—

10

17

μA

VLCD

(*2) : M/S = "H", 1/4-duty, 1/3-bias, (F1,F0) = (1,1) 190 Hz, POCEB = "L", output pin no-load.

(*3) : Three-wire serial or I2C interface. Input pin fixed to "H" or "L".

(*4) : Serial interface, data input frequency = 1 MHz.

(*5) : I2C interface, data input frequency = 400 kHz.

(*6) : Alternately inputs "0" and "1" for LCD display data (checkered display).

(*7) : Inputs all "1s" for LCD display data (all illuminated).

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