ISL12022MR5421 datasheet(3/29 Pages) INTERSIL

部品番号	ISL12022MR5421

部品情報	Low Power RTC with Battery Backed SRAM, Integrated 5ppm

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メーカー	INTERSIL [Intersil Corporation]

ホームページ	http://www.intersil.com/cda/home

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ISL12022MR5421

3

FN7576.1

June 4, 2010

13

IRQ/FOUT Interrupt Output/Frequency Output (Default 32.768kHz frequency output). This dual function pin

can be used as an interrupt or frequency output pin. The IRQ/FOUT mode is selected via the frequency

out control bits of the control/status register. Interrupt Mode. The pin provides an interrupt signal

output. This signal notifies a host processor that an alarm has occurred and requests action. It is an

open drain active low output. Frequency Output Mode. The pin outputs a clock signal, which is

related to the crystal frequency. The frequency output is user selectable and enabled via the I2C bus.

It is an open drain output. The output is open drain and requires a pull-up resistor.

14

VDD

Power Supply. Chip power supply and ground pins. The device will operate with a power supply from

VDD = 2.7V to 5.5VDC. A 0.1µF capacitor is recommended on the VDD pin to ground.

1, 2, 3, 6, 8,

15, 18, 19,

20

GND

Ground Pin.

Pin Descriptions (Continued)

NUMBER

SYMBOL

DESCRIPTION

Ordering Information

PART NUMBER

PART

MARKING

VDD RANGE

(V)

TEMP RANGE

(°C)

PACKAGE

(RoHS Compliant)

PKG.

DWG. #

ISL12022MIBZR5421

(Note 2)

ISL12022MIBZ R5421

2.7 to 5.5

-40 to +85

20 Ld SOIC

M20.3

ISL12022MIBZ-TR5421

(Notes 1, 2)

ISL12022MIBZ R5421

2.7 to 5.5

-40 to +85

20 Ld SOIC (Tape and Reel) M20.3

1. Please refer to TB347 for details on reel specifications.

2. These Intersil plastic packaged products employ special material sets, molding compounds and 100% matte tin plate plus

anneal (e3) termination finish. These products do contain Pb but they are RoHS compliant by exemption 7 (lead in high melt

temp solder for internal connections) and exemption 5 (lead in piezoelectric elements). These Intersil RoHS compliant

products are compatible with both SnPb and Pb free soldering operations. These Intersil RoHS compliant products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

ISL12022MR5421

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Renesas Technology Corp	ISL12022MR5421	1Mb / 31P	Low Power RTC with Battery Backed SRAM, Integrated 짹5ppm Temperature Compensation and Auto Daylight Saving

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