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MSM6546/6546L

¡ Semiconductor

ELECTRICAL CHARACTERISTICS (MSM6546, 1.5 V, BUF = "0")

Parameter

Symbol

Condition

Min.

Applied Pin

Typ. Max. Unit

Power Supply Current

*1

—

—

3—

mA

Oscillation Start Voltage

Within 2 seconds

—

—

0.9

V

Output Current 1

150

PORT0 to PORT6*2

SOUT, SCLK

——

mA

150

—

—

Output Current 2

20

BD

——

mA

20

—

—

Input Current 1

with pull-down resistor

7

PORT0 to

PORT6 *2

15

30

mA

Input Leakage Current

without pull-down resistor

—

PORT0 to PORT7*2

SIN, SOUT, SCLK

—1

mA

Input Current 3

resistor

70

RESET

TEST1 to TEST3

250

500

mA

Input Voltage

—

—

All input pins

—

0.3

V

1.2

—

—

4

—

—

4

—

—

Output Current 3

(Common Segment Output)

SEG0 to

SEG53

mA

4

—

—

4

—

—

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

duty is about 5%.)

*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

Note: The input of the constant voltage circuit is equal to the output of the voltage converter