MSM6442 データシートの表示（PDF） - Oki Electric Industry

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MSM6442

Built-in LCD Driver 4-Bit Microcontroller

Oki Electric Industry 

¡ Semiconductor

ABSOLUTE MAXIMUM RATINGS

Parameter

Power Supply Voltage

Input Voltage

Output Voltage

LCD Voltage

Storage Temperature

Symbol

VDD

VI

VO

LCDGND

TSTG

Condition

Ta = 25°C

—

MSM6442

Rating

–0.3 to +7

–0.3 to VDD

–0.3 to VDD

VDD – 9 to VDD

–55 to +150

Unit

V

V

V

V

°C

RECOMMENDED OPERATING CONDITIONS

Parameter

Power Supply Voltage

LCD Voltage

Data-Hold Voltage

Operating Temperature

LCD Clock

Oscillation Frequency

Fan Out (I/O Port)

Symbol

VDD

LCDGND

VDDH

Top

fXT

N

Condition

fOSC £ 1 MHz

fOSC £ 4.2 MHz

*1

Oscillation off

—

*2

MOS load

TTL load

Range

Unit

3 to 6

V

4.5 to 5.5

V

VDD – 8 to 0

V

2 to 6

V

–40 to +85

°C

32.768

kHz

15

—

1

—

*1 A voltage of (VDD–LCDGND) volts is applied to LCD.

*2 Oscillation circuit for LCD clock (XT, XT pins) is for crystal oscillation only.

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