ML9040 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

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ML9040

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

Oki Electric Industry 

ML9040-Axx/-Bxx

¡ Semiconductor

AC Characteristics

Parameter Symbol

Condition

Rf Clock Oscillation

Frequency

fOSC1

Rf = 91kW ± 2%

*2

Clock Input

Frequency

fIN

OSC2 is open.

Input from OSC1

Min.

175

125

(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

Input Clock Duty

fDUTY

*3 45

50

55 %

OSC1

Input Clock Rise

Time

Input Clock Fall

Time

Ceramic Unit

Oscillation

Frequency

tr

*4 —

tf

*4 —

Rf = 510kW,

C1 = C2 = 200 pF,

fOSC Rd = 30kW, and

245

Ceralock CSB250A.

*5

—

0.2 ms

—

0.2 ms

250 255 kHz

OSC1

OSC1

OSC1

OSC2

*1 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.

*2

OSC1

Rf

Rf=91kW±2%

OSC2

Minimum wiring is required between

OSC1 and Rf and between OSC2 and Rf.

8

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