MSM6222B-XX 데이터 시트보기 (PDF) - Oki Electric Industry

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MSM6222B-XX

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

Oki Electric Industry 

¡ Semiconductor

MSM6222B-xx

Parameter Symbol

Condition

Min.

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

Typ. Max. Unit Applicable pin

VDD = 5.0V,

resistor oscillation or

external clock input via

OSC1.

Supply Current (1) IDD1 fOSC = 270kHz.

—

0.35 0.6 mA

VDD

E is in "L" level.

Other inputs are open.

Output pins are

all no load.

*2

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.

*2

LCD Driving Bias

Input Voltage

VLCD1

VLCD2

VDD–V5 *7

1/5 bias

1/4 bias

3.0

3.0

0.55 0.8 mA

VDD

—

8.0

V

VDD, V1, V2,

—

8.0

V3, V4, V5

*2 Applicable to the current that flows in pin VDD when power is input as follows:

VDD = 5V, GND = 0V, V1 = 3.4V, V2 = 1.8V, V3 = 0.2V, V4 = –1.4V, and V5 = –3V.

AC Characteristics

Parameter Symbol

Condition

Rf Clock Oscillation

Frequency

fOSC1

Rf = 91kW ± 2%

*3

Clock Input

Frequency

fIN

OSC2 is open.

Input from OSC1

Input Clock Duty

fDUTY

*4

Input Clock Rise

Time

Input Clock Fall

Time

Ceramic Filter

Oscillation

Frequency

tr

*5

tf

*5

Rf = 510kW,

C1 = C2 = 200 pF,

fOSC Rd = 30kW, and

Ceralock CSB250A.

*6

Min.

175

125

45

—

—

245

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

Typ. Max. Unit Applicable pin

250 350 kHz

OSC1

OSC2

250 350 kHz

OSC1

50

55 %

OSC1

—

0.2 ms

OSC1

—

0.2 ms

OSC1

250 255 kHz

OSC1

OSC2

8/45

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