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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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DS14285S/TR датащи(PDF) 1 Page - Dallas Semiconductor |
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DS14285S/TR датащи(HTML) 1 Page - Dallas Semiconductor |
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1 / 26 page  1 of 26 REV: 112105 FEATURES Direct Replacement for IBM AT Computer Clock/Calendar Functionally Compatible with the DS1285/DS1287 Available as Chip (DS14285, DS14285S, or DS14285Q) or Stand-Alone Module with Embedded Lithium Battery and Crystal (DS14287) Automatic Backup Supply and Write Protection to Make External SRAM Nonvolatile Counts Seconds, Minutes, Hours, Days, Day of the Week, Date, Month, and Year with Leap Year Compensation Valid Up to 2100 Binary or BCD Representation of Time, Calendar, and Alarm 12- or 24-Hour Clock with AM and PM in 12-Hour Mode Daylight Saving Time Option Multiplex Bus for Pin Efficiency Interfaced with Software as 128 RAM Locations 14 Bytes of Clock and Control Registers 114 Bytes of General Purpose RAM Programmable Square-Wave Output Signal Bus-Compatible Interrupt Signals ( IRQ) Three Interrupts are Separately Software- Maskable and Testable Time-of-Day Alarm Once/Second to Once/Day Periodic Rates from 122 µs to 500ms End of Clock Update Cycle Optional Industrial Temperature Version Available: DS14285 DIP, SO, and PLCC PIN CONFIGURATIONS DS14285/DS14287 Real-Time Clock with NV RAM Control Control www.maxim-ic.com PLCC AD0 AD1 AD2 AD3 AD4 AD5 CEI VBAT IRQ RESET DS GND N.C. R/W 25 24 23 22 21 20 19 5 6 7 8 9 10 11 4 3 2 1 28 27 26 12 13 14 15 16 17 18 23 N.C. AD1 AD3 AD4 AD5 AD6 AD7 GND VCC SQW CEO CEI N.C. IRQ RESET DS N.C. R/W AS CS 1 2 3 4 5 6 7 8 9 10 11 12 24 22 21 20 19 18 17 16 15 14 13 N.C. AD0 AD2 VCCO Encapsulated Package DS14287 DS14285 DIP/SO 23 X2 AD1 AD3 AD4 AD5 AD6 AD7 GND VCC CEI VBAT IRQ RESET DS GND R/W AS CS 1 2 3 4 5 6 7 8 9 10 11 12 24 22 21 20 19 18 17 16 15 14 13 X1 AD0 AD2 SQW CEO VCCO TOP VIEW |
Аналогичный номер детали - DS14285S/TR |
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Аналогичное описание - DS14285S/TR |
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ссылки URL |
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