Datasheet > S-35199A01-HRT1

S-35199A01-HRT1

更新时间： 2024-11-25 03:13:51

品牌	Logo	应用领域
精工 - SII		外围集成电路时钟
页数	文件大小	规格书
54页	592K
描述
3-WIRE REAL-TIME CLOCK

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数据手册

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S-35199A01-HRT1 数据手册

Rev.1.0_00

3-WIRE REAL-TIME CLOCK

S-35199A01

The S-35199A01 is a CMOS 3-wire real-time clock IC which operates with the very low

current consumption and in the wide range of operation voltage. The operation voltage is 1.3

V to 5.5 V so that this IC can be used for various power supplies from main supply to backup

battery. Due to the 0.34 µA current consumption and wide range of power supply voltage at

time keeping, this IC makes the battery life longer. In the system which operates with a

backup battery, the included free registers can be used as the function for user’s backup

memory. Users always can take back the information in the registers which is stored before

power-off the main power supply, after the voltage is restored.

This IC has the function to correct advance/delay of the clock data speed, in the wide range,

which is caused by the oscillation circuit’s frequency deviation. Correcting according to the

temperature change by combining this function and a temperature sensor, it is possible to

make a high precise clock function which is not affected by the ambient temperature. This IC

has the function for the external microcomputer’s sub clock to output the 32.768 kHz clock

pulse. And for this output, users can select either of Nch open drain or CMOS.

Moreover, this IC has a 24-bit binary up counter. This counter counts up every 60 sec from

power-on so that users are able to grasp the elapsed time from power-on up to 30 years.

Features

• Low current consumption :

0.34 µA typ. (V_DD= 3.0 V, Ta = 25°C)

1.3 to 5.5 V

• Wide range of operating voltage :

• Built-in clock-correction function

• Clock pulse output (CMOS output, function to select frequency)

• 32.768 kHz clock pulse output (Nch open-drain, output control pin)

• Built-in 24-bit binary up counter

• Built-in free user register

• 3-wire (micro wire) CPU interface

• Built-in alarm interrupter

• Built-in flag generator during detection of low power voltage or at power-on

• Auto calendar up to the year 2099, automatic leap year calculation function

• Built-in constant voltage circuit

• Built-in 32.768 kHz crystal oscillator (C_dbuilt in, C_gexternal)

• Package : WLP-12A

• Lead-free product

Applications

•

Mobile game devices

Mobile AV devices

Digital still cameras

Digital video cameras

Electronic power meters

DVD recorders

TVs, VCRs

Mobile phones, PHS

Car navigation

Package

Drawing Code

Tape

Package Name

WLP-12A

Package

HA012-A

Reel

HA012-A

Seiko Instruments Inc.

12 3 4 5 6 7...54

中文翻译

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