DS1672U-33+TR datasheet(4/15 Pages) MAXIM

Part #	DS1672U-33+TR

Description	I2C 32-Bit Binary Counter RTC

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Manufacturer	MAXIM [Maxim Integrated Products]

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DS1672

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DC ELECTRICAL CHARACTERISTICS

(VCC = 0V, TA = -40°C to +85°C.)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

VBACKUP Current (Oscillator On)

IBACKUPOSC

0.425

1

µA

5

VBACKUP Current (Oscillator Off)

IBACKUP

200

nA

Note 5: Using the recommended crystal on X1 and X2.

CRYSTAL SPECIFICATIONS*

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Nominal Frequency

fO

32.768

kHz

Series Resistance

ESR

45

kΩ

Load Capacitance

CL

6

pF

*The crystal, traces, and crystal input pins should be isolated from RF generating signals. Refer to Application Note 58: Crystal

Considerations for Dallas Real-Time Clocks for additional specifications

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DS1672U-33+TR Datasheet(PDF) 4 Page - Maxim Integrated Products

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