參數(shù)資料
型號(hào)： S-35399A03-J8T2U
元件分類： 時(shí)鐘/數(shù)據(jù)恢復(fù)及定時(shí)提取
英文描述： 1 TIMER(S), REAL TIME CLOCK, PDSO8
封裝： HALOGEN FREE AND LEAD FREE, SOP-8
文件頁(yè)數(shù)： 1/53頁(yè)
文件大?。?/td> 472K
代理商： S-35399A03-J8T2U
S-35399A03
www.sii-ic.com
2-WIRE REAL-TIME CLOCK
Seiko Instruments Inc., 2007-2010
Rev.2.0_00
Seiko Instruments Inc.
1
The S-35399A03 is a CMOS 2-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.
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)
Wide range of operating voltage :
1.3 to 5.5 V
Built-in clock-correction function
Built-in 24-bit binary up counter
Built-in free user register
2-wire (I2C-bus) 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
d built in, Cg external)
Lead-free, Sn 100%, halogen-free*1
*1. Refer to “
Product Name Structure” for details.
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
8-Pin SOP (JEDEC)
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