DS1742-100

 

 

Integrated NV SRAM, Real-Time Clock, 

Crystal, Power-Fail Control Circuit and 

Lithium Energy Source 

 1 of 16 REV: 102808 

ƒ Clock Registers are Accessed Identically to 

the Static RAM; These Registers are 

Resident in the Eight Top RAM Locations 

ƒ Century Byte Register 

ƒ Totally Nonvolatile with Over 10 Years of 

Operation in the Absence of Power 

ƒ BCD Coded Century, Year, Month, Date, 

Day, Hours, Minutes, and Seconds with 

Automatic Leap Year Compensation Valid 

Up to the year 2100 

ƒ Battery Voltage Level Indicator Flag 

ƒ Power-Fail Write Protection Allows for ±10% 

VCC Power Supply Tolerance 

ƒ Lithium Energy Source is Electrically 

Disconnected to Retain Freshness until 

Power is Applied for the First Time 

ƒ Standard JEDEC Bytewide 2k x 8 Static 

RAM Pinout 

ƒ Quartz Accuracy ±1 Minute a Month at 

+25°C, Factory Calibrated 

ƒ Underwriters Laboratories (UL®) 

Recognized 

 

 

 

**注意 & Noted:

Because of wholesale price is different from sample price, our website cannot state. Please contact us online. As well as welcome you call us : 0755-83957301.We will offer a right price; Sometimes manufacturer's price is unstable, so we don't adjust price in time. if you feel price is a little high for you, just feel free to contact us for consultation. Thank you for your support !

 

由于批量与样品的价格不同，网上无法统一注明，请您把采购型号通过邮件或客服QQ2850151584发给我们，也可致电明佳达国内销售部：0755-83957301，由客服人员为您报价；有时元件厂商价格稍许变动，本公司未能及时调整，如您觉得售价偏高，请与我们说明并适当议价；感谢支持!