MSM6576 datasheet(8/12 Pages) OKI

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MSM6576

¡ Semiconductor

ELECTRICAL CHARACTERISTICS

1.5 V operation

Backup flag (BUF) = "1"

The input of the constant voltage circuit is directly connected to the power supply (VSS1).

Parameter

Symbol

Condition

Min.

Applied Pin

Typ. Max. Unit

Power Supply Current 1

IDD1

Level detector OFF

—

1.5

—

Power Supply Current 2

IDD2

Level detector ON

—

13.5

—

–VOSC

Within 2 seconds

—

VSS1

—

0.9

–IOH1

VO = –0.5 V

150

—

IOL1

VO = –1.0 V

150

—

VO = –0.5 V

—

VO = –1.0 V

(VDD = 0 V, VSS1 = –1.5 V (battery voltage) , VSS2 = –3.0 V, fOSC = 32.768 kHz, CX = 35 pF, Ta = 25°C)

Oscillation Start Voltage

Output Current 1

Output Current 2

Input Current 1

Input Current 2

Input Leakage Current

PORT0 to PORT6*2

SOUT, SCLK

–IOH2

IOL2

20——

VI = 0 V, in the input state,

with pull-down resistor

IIH1

3.75

7.5

–IIH2

3.75

7.5

ÁIILÁ

——

PORT0 to

PORT6 *2

VI = –1.5 V, in the input state,

with pull-up resistor

PORT0

VI = 0 V, –1.5 V, in the input

state, without pull-down resistor

PORT0 to PORT7*2

SIN, SOUT, SCLK

Input Current 3

IIH3

250

500

VI = 0 V, with pull-down

resistor

RESET, TEST1

to TEST3

Input Voltage

–VIH

—

0.3

—

All input pins

–VIL

1.2

—

Level Detector Off Voltage

–VLDoff

—

ADSTART = "0"

P7.1

Level Detector Detecting

Voltage

–VLD6H

725

742

759

(ADOUT) = 6H

–VLD5H

841

858

875

(ADOUT) = 5H

–VLD4H

958

975

992

(ADOUT) = 4H

–VLD3H

1075 1092 1109

(ADOUT) = 3H

–VLD2H

1191 1208 1225

(ADOUT) = 2H

–VLD1H

1308 1325 1342

(ADOUT) = 1H

–VLD0H

1425 1442 1459

(ADOUT) = 0H

Level Detector Settling Time

tSET

——61

ADSTART = "1", during

OUT ADSET execution

Level Detector Conversion Rate

fLD

—

100

—

Comparator Offset Voltage

–VCMPoff

—

P7.3, P7.2

Comparator Input Voltage

–VCMPin

VB/2

—

–VB = Battery voltage

Comparator Conversion Rate

fCMP

—

100

—

*1 Depends on program. (Values in the above table are applied in the case where the software

duty is about 3%.)

*2 PORT0 = P0.0 to P0.3, PORT1 = P1.0 to P1.3, PORT2 = P2.0 to P2.3, PORT3 = P3.0 to P3.3,

PORT4 = P4.0 to P4.3, PORT5 = P5.0 to P5.3, PORT6 = P6.0 to P6.3, PORT7 = P7.0 to P7.3

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