ISL12020MIRZ datasheet(9/34 Pages) INTERSIL

Teilenummer	ISL12020MIRZ

Bauteilbeschribung	Low Power RTC with Battery Backed SRAM, Integrated 짹5ppm Temperature Compensation and Auto Daylight Saving

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Hersteller	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

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9 / 34 page

ISL12020M

9

FN6667.5

December 13, 2011

SDA vs SCL Timing

Symbol Table

tSU:STO

tDH

tHIGH

tSU:STA

tHD:STA

tHD:DAT

tSU:DAT

SCL

SDA

(INPUT TIMING)

SDA

(OUTPUT TIMING)

tF

tLOW

tBUF

tAA

tR

FIGURE 2. STANDARD OUTPUT LOAD FOR TESTING THE DEVICE

WITH VDD = 5.0V

SDA

AND

IRQ/FOUT

1533

100pF

5.0V

FOR VOL= 0.4V

AND IOL = 3mA

EQUIVALENT AC OUTPUT LOAD CIRCUIT FOR VDD = 5V

WAVEFORM

INPUTS

OUTPUTS

Must be steady

Will be steady

May change

from LO W

to HIGH

Will change

from LOW

to HIGH

May change

from HIGH

to LO W

Will change

from HIGH

to LOW

Don’t Care:

Changes Allowed

Changing:

State Not Known

N/A

Center Line is

High Impedance

Typical Performance Curves Temperature is +25°C unless otherwise specified.

FIGURE 3. IBAT vs VBAT

FIGURE 4. IBAT vs TEMPERATURE

800

850

900

950

1000

1050

1.82.3

2.83.3

3.84.3

4.85.3

VBAT VOLTAGE (V)

600

800

1000

1200

1400

1600

-40

-20

0

2040

6080

TEMPERATURE (°C)

VBAT = 1.8V

VBAT = 3.0V

VBAT = 5.5V

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ISL12020MIRZ Datenblatt(PDF) 9 Page - Intersil Corporation

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