HT1382 datasheet(3/29 Pages) HOLTEK

номер детали	HT1382

подробное описание детали	I2C/3-Wire Real Time Clock

PDF	29 Pages

Scroll/Zoom	100%

производитель	HOLTEK [Holtek Semiconductor Inc]

домашняя страница	http://www.holtek.com

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Pad Assignment

Chip size: 1245

´ 1520 (mm)

* The IC substrate should be connected to VSS in the PCB layout artwork.

Pad Coordinates

Unit:

Pad No.

-520.005

-161.460

-520.005

-646.610

-520.005

-256.460

521.000

-625.000

-520.005

-360.130

521.000

-530.000

-520.005

-455.130

521.000

-425.300

-520.005

-550.130

516.450

-288.400

Pad Description

Pad No.

Pad Name

I/O

Description

32768Hz crystal input pin

32768Hz crystal output pin

VBAT

Battery power supply

VSS

Negative power supply, ground

IFS

Interface selection pin.

2C interface is selected when IFS is unconnected, 3-wire interface is selected

when IFS is connected to VSS.

6CE

Chip Enable for 3-wire interface

Not used for I

2C interface

SDA/I/O

I/O

Serial Data Input/Output for I

2C and 3-wire interfaces

SCL/SCLK

I/O

Serial Clock Input for I

2C and 3-wire interfaces

IRQ/FOUT

Interrupt/Frequency Output, this pin is open drain output

VDD

Positive power supply

HT1382

I2C/3-Wire Real Time Clock

Rev. 1.40

May 27, 2011

X 1

X 2

V S S

S D A

S C L K

V D D

1 0

( 0 , 0 )

C E

V B A T

I F S

I R Q / F O U T

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