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SM8580 Datasheet(PDF) 4 Page - Nippon Precision Circuits Inc

Part # SM8580
Description  Real-time Clock IC with 4-bit Interface and Built-in Temperature Sensor
PDF  23 Pages
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Manufacturer  NPC [Nippon Precision Circuits Inc]
Direct Link  http://www.npc.co.jp/en
Logo NPC - Nippon Precision Circuits Inc

SM8580 Datasheet(HTML) 4 Page - Nippon Precision Circuits Inc

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SM8580AM
NIPPON PRECISION CIRCUITS—4
FOUT Output and SM8580AM Access Relationship
SPECIFICATIONS
Absolute Maximum Ratings
VSS = 0 V
Recommended Operating Conditions
VSS = 0 V
CE0N
C E 1
FCON
FE bit
FOUT output
SM8580AM accessible
HIGH
L O W
××
High impedance
N o
LO W
L O W
××
High impedance
N o
HIGH
HIGH
L O W
0
32.768kHz output
N o
L O W
1
32.768kHz output
N o
HIGH
0
High impedance
N o
HIGH
1
FD bit select frequency output
N o
L O W
HIGH
L O W
0
32.768kHz output
Yes
L O W
1
32.768kHz output
Yes
HIGH
0
High impedance
Yes
HIGH
1
FD bit select frequency output
Yes
P arameter
Symbol
Condition
Rating
Unit
Supply voltage range
V DD
−0.3 to 7.0
V
Input voltage range
V IN
All inputs, D0 to D3
V SS − 0.3 to V DD + 0.3
V
Output voltage range
V OUT1
TIRQN, AIRQN
V SS − 0.3 to 8.0
V
V OUT2
FOUT, D0 to D3, VTEMP
V SS − 0.3 to V DD + 0.3
V
Storage temperature range
T stg
−55 to 125
°C
P arameter
Symbol
Condition
Rating
Unit
Supply voltage range
V DD
2.4 to 5.5
V
Clock supply voltage range
V CLK
1.6 to 5.5
V
Operating temperature range
Topr
−40 to 85
°C



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