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SM1126

Melody IC with Built-in SRAM

Nippon Precision Circuits  

SM1126 Series

SPECIFICATIONS

Absolute Maximum Ratings

Parameter

Supply voltage range

Input voltage range

Power dissipation

Storage temperature range

Soldering temperature

Soldering time

Symbol

VDD − VSS

V IN

PD

T stg

T sld

tsld

Condition

Rating

Unit

−0.3 to 5.0

V

VSS − 0.2 to VDD + 0.2

V

100

mW

−40 to 125

°C

255

°C

10

s

Recommended Operating Conditions

VSS = 0 V

Parameter

Supply voltage

Operating temperature

Symbol

VDD

Topr

Condition

Rating

Unit

2.0 to 3.6

V

−20 to 70

°C

DC Characteristics

Ta = −20 to 70 °C, VSS = 0 V, VDD = 2.0 to 3.6 V

Parameter

Supply voltage

Current consumption (1)

Current consumption (2)

Current consumption (3)

Input voltage

Input current (1)

Input current (2)

Start voltage

Output voltage (1)

Output voltage (2)

Oscillator frequency

Frequency stability

Oscillator start voltage

Oscillator stop voltage

Symbol

Condition

VDD

IDD1

IDD2

IDD3

V IH

V IL

IIH1

IIL1

IIH2

VOPN

VOH1

VOL1

VOH2

VOL2

fOSC

∆ f/f

VDOB

VDOS

Non-playback mode, Ta = 25°C

External clock input option: Playback mode,

MTO pin open

Built-in RC oscillator option: Playback mode,

MTO pin open

External clock input option: ST, SIO, SC and

OSC pins, Built-in RC oscillator option: ST,

SIO and SC pins

VIH = VDD, Ta = 25°C

External clock input option: ST, SIO, SC and

OSC pins, Built-in RC oscillator option: ST,

SIO and SC pins

VIL = 0 V, Ta = 25°C

External clock input option: ST, SIO, SC and

OSC pins, Built-in RC oscillator option: ST,

SIO and SC pins

TEST pin, VIH = VDD

TEST pin

SIO pin, IOH1 = 1 mA, VDD = 2.4 V

SIO pin, IOL1 = 1 mA, VDD = 2.4 V

MTO pin, IOH2 = 1 mA

MTO pin, IOL2 = 1 mA

Built-in RC oscillator option: NPC test board

measurement, VDD = 3.0 V, RO = 82 kΩ,

CO = 130 pF

Built-in RC oscillator option

Built-in RC oscillator option

Built-in RC oscillator option

min

2.0

–

–

–

VDD − 0.2

V SS

–

–

–

–

VDD − 0.4

V SS

VDD − 0.4

V SS

117.965

–

–

–

Rating

typ

3.0

–

25

215

–

–

–

–

–

–

–

–

–

–

131.072

0.2

–

–

max

3.6

0.5

200

600

VDD

VSS + 0.2

0.5

0.5

200

0.1

VDD

VSS + 0.4

VDD

VSS + 0.4

144.179

–

1.6

1.6

Unit

V

µA

µA

µA

V

V

µA

µA

µA

V

V

V

V

V

kHz

%/0.1V

V

V

NIPPON PRECISION CIRCUITS—3

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