BQ3285ESS datasheet(13/36 Pages) TI1

номер детали	BQ3285ESS

подробное описание детали	Real-Time Clock (RTC)

PDF	36 Pages

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производитель	TI1 [Texas Instruments]

домашняя страница	http://www.ti.com

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13 / 36 page

DC Electrical Characteristics—bq3285E (T

A = TOPR,VCC = 5V ± 10%)

Symbol

Parameter

Minimum

Typical

Maximum

Unit

Conditions/Notes

ILI

Input leakage current

± 1

µAVIN = VSS to VCC

ILO

Output leakage current

± 1

µA

AD0–AD7, INT, and SQW

in high impedance,

VOUT = VSS to VCC

VOH

Output high voltage

2.4

IOH = -2.0 mA

VOL

Output low voltage

0.4

IOL = 4.0 mA

ICC

Operating supply current

Min. cycle, duty = 100%,

IOH = 0mA, IOL = 0mA

ICCSB

Standby supply current

300

µA

VIN = VSS or VCC,

≥ VCC - 0.2

VSO

Supply switch-over voltage

-V

ICCB

Battery operation current

0.3

0.5

µAV

BC = 3V, TA = 25°C

VPFD

Power-fail-detect voltage

4.0

4.17

4.35

IRCL

Input current when RCL = VSS.

185

µA

Internal 30K pull-up

IMOTH

Input current when MOT = VCC

-185

µA

Internal 30K pull-down

Input current when MOT = VSS

µA

Internal 30K pull-down

IXTRAM

Input current when EXTRAM =

VCC

-185

µA

Internal 30K pull-down

Input current when EXTRAM =

VSS

µA

Internal 30K pull-down

Note:

Typical values indicate operation at TA = 25°C, VCC = 5V or VBC = 3V.

bq3285E/L

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