MSM9844 View Datasheet(PDF) - Oki Electric Industry

Part Name

Description

Manufacturer

MSM9844

VOICE SYNTHESIS LSI with on-chip FIFO Memory

Oki Electric Industry 

¡ Semiconductor

MSM9844

• Absolute Maximum Ratings

Parameter

Power Supply Voltage

Input Voltage

Storage Temperature

Symbol

VDD

VIN

TSTG

Conditions

Ta = 25°C

(GND = 0 V)

Rating

Unit

- 0.3 to + 7.0

V

- 0.3 to VDD + 0.3

V

- 55 to + 150

°C

• Recommended Operating Ranges

Parameter

Power Supply Voltage

Operating Temperature

Master Clock Frequency

Symbol

Conditions

VDD DGND = AGND = 0V

TOP

fOSC

(GND = 0 V)

Rating

+ 4.5 to + 5.5

- 40 to + 85

24.576

Unit

V

°C

MHz

• DC Characteristics

DVDD = AVDD = + 4.5 V to + 5.5 V

DGND = AGND = 0 VTa = - 40 to + 85 °C

Parameter

Symbol

Conditions

Min. Typ. Max. Unit

"H" Input Voltage

VIH

VDD x 0.85

V

"L" Input Voltage

"H" Output Voltage note 1

VIL

VOH1

IOH = - 40 µA

VDD - 0.3

VDD x 0.15

V

V

"L" Output Voltage note 1

"H" Output Voltage note 2

VOL1

VOH2

IOL = 2 mA

IOH = - 40 µA

VDD - 0.3

0.45

V

V

"L" Output Voltage note 2

"H" Input Current note 3

VOL2

IIH1

IOL = 2 mA

VIH = VDD

0.8

V

10

µA

"H" Input Current note 4

IIH2

VIH = VDD

20

µA

"L" Input Current note 5

IIL1

VIL = GND

- 10

µA

"L" Input Current note 4

IIL2

VIL = GND

- 20

µA

"L" Input Current note 6

IIL3

VIL = GND

- 400

- 20

µA

Operating Current Consumption

Standby Current Consumption

IDD

IDDS

fOSC = 24.576 MHz

without load

At power down

without load

Ta = - 40 to + 70 °C

40

mA

10

2 mA

µA

At power down

without load

Ta = - 40 to + 85 °C

50

2 mA

µA

note 1) Applies to output pins excluding XT pin.

note 2) Applies to XT pin.

note 3) Applies to input pins excluding XT pin.

note 4) Applies to XT pins .

note 5) Applies to input pins without pull-up-register excluding XT pin.

note 6) Applies to input pins within pull-up-register excluding XT pin.

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