Product Info

DS1742-100

Part No.: DS1742-100
MFG: Maxim

D/C: 13+
Packing: DIP24
Original price: 10
QTY: 66598
PDF:

Order hotline: 86755-83294757
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Description: Competitive Price 原装现货

Detailed description

DS1742-100 - Y2KC Nonvolatile Timekeeping RAMwww. - Maxim Integrated Products

Integrated NV SRAM, Real-Time Clock,

Crystal, Power-Fail Control Circuit and

Lithium Energy Source

1 of 16 REV: 102808

Clock Registers are Accessed Identically to

the Static RAM; These Registers are

Resident in the Eight Top RAM Locations

Century Byte Register

Totally Nonvolatile with Over 10 Years of

Operation in the Absence of Power

BCD Coded Century, Year, Month, Date,

Day, Hours, Minutes, and Seconds with

Automatic Leap Year Compensation Valid

Up to the year 2100

Battery Voltage Level Indicator Flag

Power-Fail Write Protection Allows for ±10%

VCC Power Supply Tolerance

Lithium Energy Source is Electrically

Disconnected to Retain Freshness until

Power is Applied for the First Time

Standard JEDEC Bytewide 2k x 8 Static

RAM Pinout

Quartz Accuracy ±1 Minute a Month at

+25°C, Factory Calibrated

Underwriters Laboratories (UL®)

Recognized

**注意 & Noted:

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