SM8578BV datasheet(3/13 Pages) NPC

номер детали	SM8578BV

подробное описание детали	Real-time Clock IC

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производитель	NPC [Nippon Precision Circuits Inc]

домашняя страница	http://www.npc.co.jp/en

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SM8578BV

NIPPON PRECISION CIRCUITS INC.—3

SPECIFICATIONS

Absolute Maximum Ratings

VSS = 0V

Recommended Operating Conditions

VSS = 0V

DC Characteristics

VSS = 0V, VDD = 1.6 to 5.5V, CG = 10pF, Ta = −40 to +85°C unless otherwise noted.

Parameter

Symbol

Condition

Rating

Unit

Supply voltage range

VDD

−0.3 to +7.0

V

Input voltage range

VIN

Input pins

VSS − 0.3 to VDD + 0.3

V

Output voltage range 1

VOUT1

INTN

VSS − 0.3 to +8.0

V

Output voltage range 2

VOUT2

DATA

VSS − 0.3 to VDD + 0.3

V

Power dissipation

PD

150

mW

Storage temperature range

TSTG

−55 to +125

°C

Parameter

Symbol

Condition

Rating

Unit

Supply voltage range

VDD

1.6 to 5.5

V

Operating temperature range

Topr

−40 to +85

°C

Parameter

Symbol

Condition

Rating

Unit

min

typ

max

Current consumption 1

IDD1

VDD = 5V

CE = VSS, DATA,

INTN = VDD

–

1.0

2.0

µA

Current consumption 2

IDD2

VDD = 3V

–

0.5

1.0

µA

HIGH-level input voltage

VIH

CE, CLK, DATA pins

0.8VDD

–VDD

V

LOW-level input voltage

VIL

0

–

0.2VDD

V

Input leakage current

ILEAK

VIN = VDD or VSS, CE, CLK pins

−0.5

–

0.5

µA

Input resistance 1

RDWN1

VDD = 5V

VIN = VDD,

CE pin

75

150

300

k

Ω

Input resistance 2

RDWN2

VDD = 3V

150

300

600

k

Ω

Output voltage 1

VOH1

VDD = 5V

IOH = −1mA,

DATA pin

4.5

–

5.0

V

VOH2

VDD = 3V

2.0

–

3.0

V

VOL1

VDD = 5V

IOL = 1mA,

DATA pin

––

VSS + 0.5

V

VOL2

VDD = 3V

–

VSS + 0.8

V

Output voltage 2

VOL3

VDD = 5V

IOL = 1mA,

INTN pin

––

VSS + 0.25

V

VOL4

VDD = 3V

–

VSS + 0.4

V

Output leakage current

IOZ

VOUT = VDD or VSS,

DATA, INTN pins

−0.5

–

0.5

µA

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