MSM9845 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9845

VOICE SYNTHESIS LSI with on-chip FIFO Memory

Oki Electric Industry 

1Semiconductor

FEDL9845DIGEST-01

MSM9845

ABSOLUTE MAXIMUM RATINGS

Parameter

Power Supply Voltage

Input Voltage

Power Dissipation

Storage Temperature

Symbol

VDD

VIN

PD

TSTG

Conditions

Ta = 25°C

—

Rating

–0.3 to +7.0

–0.3 to VDD +0.3

571.4

–55 to +150

(GND = 0 V)

Unit

V

V

mW

°C

RECOMMENDED OPERATING CONDITIONS

Parameter

Power Supply Voltage

Operating Temperature

Master Clock Frequency

Symbol

VDD

TOP

fOSC

Conditions

DGND = AGND = 0 V

—

—

Rating

+4.5 to +5.5

–40 to +85

24.576

(GND = 0 V)

Unit

V

°C

MHz

ELECTRICAL CHARACTERISTICS

DC Characteristics

DVDD = AVDD = +4.5 V to +5.5 V

DGND = AGND = 0 V, Ta = –40 to + 85°C

Parameter

Symbol

Conditions

Min.

Typ.

Max.

Unit

“H” Input Voltage

“L” Input Voltage

“H” Output Voltage

“L” Output Voltage

“H” Output Voltage

“L” Output Voltage

“H” Input Current

“H” Input Current

“L” Input Current

“L” Input Current

Operating Current

Consumption

note 1

note 1

note 2

note 2

note 3

note 4

note 3

note 4

VIH

VIL

VOH1

VOL1

VOH2

VOL2

IIH1

IIH2

IIL1

IIL2

IDD

—

VDD × 0.85 —

—

V

—

—

— VDD × 0.15 V

IOH = –40 µA

VDD –0.3

—

—

V

IOL = 2 mA

—

—

0.45

V

IOH = –40 µA

VDD –0.3

—

—

V

IOL = 2 mA

—

—

0.8

V

VIH = VDD

—

—

10

µA

VIH = VDD

—

—

20

µA

VIL = GND

–10

—

—

µA

VIL = GND

–20

—

—

µA

fOSC = 24.576 MHz

—

—

40

mA

without load

At reset, power down

without load

—

—

10

µA

Standby Current Consumption IDDS

Ta = –40 to +70°C

At reset, power down

without load

—

—

50

µA

Ta = +70 to +85°C

note 1)

note 2)

note 3)

note 4)

Applies to output pins excluding XT pin.

Applies to XT pin.

Applies to input pins excluding XT pin.

Applies to XT pins .

6/9

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