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SM1350XXXM

High Tone Quality Melody LSI

Nippon Precision Circuits  

SM1350 series

DC Characteristics

VDD = 3 V, Ta = 25 °C, VSS = 0 V, fO = 4.0 MHz

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Minimum operating supply voltage1

Maximum operating supply voltage1

V MIN

VMAX

–

–

2.4

V

5.5

–

–

V

Standby current consumption

ISTBY

No melody output

–

–

1.0

µA

Operating current consumption

IDD

BUSYN, CT, TO, SP, SPN,

MSB, MSBN all open

–

–

3.5

mA

XT external capacitance

CG

XTN external capacitance

CD

Clock frequency2

fXTI

Clock duty cycle2

R XTI

S0 to S3, MODE, LH, STOP, STN, ICN

HIGH-level input voltage

V IH

–

30

–

30

3.8

4.0

40

50

VDD − 0.3

–

–

pF

–

pF

4.2

MHz

60

%

VDD

V

S0 to S3, MODE, LH, STOP, STN, ICN

LOW-level input voltage

V IL

V SS

–

VSS + 0.3

V

S0 to S3, MODE, LH, STOP, STN, ICN

HIGH-level input current

IIH

VIH = VDD

–

10

20

µA

S0 to S3, MODE, LH, STOP, STN, ICN

LOW-level input current

IIL

VIL = VSS

–

10

20

µA

BUSYN, CT, TO HIGH-level output

current

IOH1

VOH1 = VDD − 0.7

2.0

–

–

mA

BUSYN, CT,TO LOW-level output current

IOL1

VOL1 = VSS + 0.7

MSB, MSBN HIGH-level output current

IOH2

VOH2 = VDD − 0.7

MSB, MSBN LOW-level output current

SP, SPN output current3

IOL2

VOL2 = VSS + 0.7

IOH3

VOH3 = VSS + 0.7

2.0

–

–

mA

3.0

–

–

mA

3.0

–

–

mA

–

–

4.0

mA

1.Supply voltage ratings shown are with oscillator running and all functions operating normally.

2.Clock frequency and duty cycle are ratings for the clock input on pin XT.

3.Output current when 20 kΩ volume control resistor is connected to VOL, and all D/A converter bits ON, measured using the circuit of the next page.

VDD = 5 V, Ta = 25 °C, VSS = 0 V, fO = 4.0 MHz

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Minimum operating supply voltage1

Maximum operating supply voltage1

V MIN

VMAX

–

–

2.4

V

5.5

–

–

V

Standby current consumption

ISTBY

No melody output

–

–

1.0

µA

Operating current consumption

IDD

BUSYN, CT, TO, SP, SPN,

MSB, MSBN all open

–

–

9.5

mA

XT external capacitance

CG

XTN external capacitance

CD

Clock frequency2

fXTI

Clock duty cycle2

R XTI

S0 to S3, MODE, LH, STOP, STN, ICN

HIGH-level input voltage

V IH

–

30

–

30

3.8

4.0

40

50

VDD − 0.3

–

–

pF

–

pF

4.2

MHz

60

%

VDD

V

S0 to S3, MODE, LH, STOP, STN, ICN

LOW-level input voltage

V IL

V SS

–

VSS + 0.3

V

S0 to S3, MODE, LH, STOP, STN, ICN

HIGH-level input current

IIH

VIH = VDD

–

30

50

µA

NIPPON PRECISION CIRCUITS—5

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