SM8580AM_06 datasheet(4/25 Pages) NPC

部件名	SM8580AM

功能描述	Real-time Clock IC with 4-bit Interface and Built-in Temperature Sensor

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制造商	NPC [Nippon Precision Circuits Inc]

网页	http://www.npc.co.jp/en

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SM8580AM

SEIKO NPC CORPORATION —4

FOUT Output and SM8580AM Access Relationship

SPECIFICATIONS

Absolute Maximum Ratings

VSS = 0V

Recommended Operating Conditions

VSS = 0V

CE0N

CE1

FCON

FE bit

FOUT output

SM8580AM accessible

HIGH

LOW

××

High impedance

No

LOW

××

High impedance

No

HIGH

LOW

0

32.768kHz output

No

LOW

1

32.768kHz output

No

HIGH

0

High impedance

No

HIGH

1

FD bit select frequency output

No

LOW

HIGH

LOW

0

32.768kHz output

Yes

LOW

1

32.768kHz output

Yes

HIGH

0

High impedance

Yes

HIGH

1

FD bit select frequency output

Yes

Parameter

Symbol

Condition

Rating

Unit

Supply voltage range

VDD

−0.3 to 7.0

V

Input voltage range

VIN

All inputs, D0 to D3

VSS − 0.3 to VDD + 0.3

V

Output voltage range

VOUT1

TIRQN, AIRQN

VSS − 0.3 to 8.0

V

VOUT2

FOUT, D0 to D3, VTEMP

VSS − 0.3 to VDD + 0.3

V

Storage temperature range

Tstg

−55 to 125

°C

Parameter

Symbol

Condition

Rating

Unit

Supply voltage range

VDD

2.4 to 5.5

V

Clock supply voltage range

VCLK

1.6 to 5.5

V

Operating temperature range

Topr

−40 to 85

°C

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