SM8577BS 데이터 시트보기 (PDF) - Nippon Precision Circuits

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SM8577BS

Real-time Clock IC

Nippon Precision Circuits  

SM8577B

SPECIFICATIONS

Absolute Maximum Ratings

VSS = 0 V

Parameter

Supply voltage range

Input voltage range

Output voltage range

Storage temperature range

Power dissipation

Soldering temperature

Soldering time

Symbol

VDD

V IN

VOUT

T stg

PD

T sld

tsld

Condition

Rating

Unit

−0.3 to 7.0

V

VSS − 0.3 to VDD + 0.3

V

VSS − 0.3 to VDD + 0.3

V

−55 to 125

°C

150

mW

255

°C

10

s

Recommended Operating Conditions

VSS = 0 V

Parameter

Supply voltage range

Operating temperature range

Symbol

VDD

Topr

Condition

Rating

Unit

2.5 to 5.5

V

−40 to 85

°C

Oscillator Characteristics

VSS = 0 V, Ta = 25 °C, CG = 12 pF, Seiko Epson C-002SH crystal (CI = 30 kΩ, CL = 6 pF) unless otherwise

noted

Parameter

Oscillator start time

Oscillator start voltage

Oscillator stop voltage

Frequency voltage characteristic

Frequency accuracy

Output capacitance

Symbol

tSTA

VSTA

V STO

f/V

ε

CD

Condition

VDD = 2.5 V

VDD = 2.0 to 5.5 V

VDD = 5.0 V

VDD = 5.0 V

Rating

Unit

min

typ

max

–

–

3

s

1.5

–

–

V

–

–

1.5

V

−2

–

+2

ppm/V

−10

–

+10

ppm

–

12

–

pF

NIPPON PRECISION CIRCUITS—3

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