DS131 Search Results

DS1310

Abstract: Microcontroller AT89C51
Contextual Info: DS1310/DS1311 PRELIMINARY DS1310/DS1311 Super Socket FEATURES PIN ASSIGNMENT • Built-in CMOS circuitry adds nonvolatile SRAM and real time clock to existing microcontroller-based designs 1 40 20 21 • Requires no printed circuit board modification • 4K bits of NV SRAM for more than 10 years in the absence of VCC

Contextual Info: D S 1 31 4 PRELIMINARY DS1314 3V Nonvolatile Controller with Lithium Battery Monitor DALLAS SEMICONDUCTOR FEATURE PIN ASSIGNMENT • Converts CMOS SRAM into nonvolatile memory • Unconditionally write-protects SRAM when Vcc is out of tolerance ^ ^cci VccoOC

Contextual Info: DS1315 PRELIMINARY DALLAS SEMICONDUCTOR FEATURES DS1315 Phantom Time Chip PIN ASSIGNMENT • Real time clock keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years • Adjusts for months with fewer than 31 days

Contextual Info: DS1312 Nonvolatile Controller with Lithium Battery Monitor www.dalsemi.com FEATURES § § § § § § § § § Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects SRAM when VCC is out of tolerance Automatically switches to battery backup

Contextual Info: DS1315 PRELIMINARY DALLAS SEMICONDUCTOR FEATURES DS1315 Phantom Time Chip PIN ASSIGNMENT seconds, m inutes, hours, days, date of the month, months, and years • Adjusts for months with fewer than 31 days • Autom atic leap ye a r correction valid up to 2100

Contextual Info: DS1314 PRELIM INARY DALLAS SEMICONDUCTOR DS1314 3V Nonvolatile Controller with Lithium Battery Monitor FEATURE PIN ASSIGNMENT • Converts CM OS SRAM into nonvolatile m emory • Unconditionally w rite-p rote cts SRAM when out of tolerance Vqq is • Autom atically switches to b attery-backup supply

F475

Contextual Info: DS1312 DS1312 DALLAS SEMICONDUCTOR N onvolatile C ontroller with Lithium Battery M onitor FEATURES PIN ASSIGNMENT • Converts CM OS SRAM into nonvolatile memory • Unconditionally write-protects SRAM when out of tolerance Vqq is • Automatically switches to battery backup supply

DS1215

Abstract: DS1315 DS1315-33 DS1315-5 DS1315E-33 DS1315E-5 DS1315EN-33 DS1315N-33 DS1315N-5
Contextual Info: DS1315 Phantom Time Chip www.dalsemi.com www.maxim-ic.com DESCRIPTION FEATURES The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller. In the absence of power, an external battery maintains the timekeeping operation and provides power for a

clock schematic

Abstract: DS1216 AN-509 DS1244Y DS1216C DS1216E DS1243 DS1243Y DS1244 DS1248
Contextual Info: Maxim > App Notes > REAL-TIME CLOCKS Keywords: phantom, smartwatch, DS1216, DS1315, DS1243, DS1244, DS1248, DS1251, DS1254, real-time clock, RTC, realtime clock Jun 03, 2002 APPLICATION NOTE 509 Using the SmartWatch/Phantom Clocks with a Microcontroller Abstract: This application note shows an example of how to interface a Phantom Real-Time Clock RTC to a

Contextual Info: 19-6306; Rev 6/12 ` DS1312 Nonvolatile Controller with Lithium Battery Monitor FEATURES • •        Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects SRAM when VCC is out of tolerance Automatically switches to battery backup

Contextual Info: 19-6080; Rev 11/11 www.dalsemi.com DS1315 Phantom Time Chip DESCRIPTION FEATURES The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller. In the absence of power, an external battery maintains the timekeeping operation and provides power for a

Contextual Info: O S1315 P R E L IM IN A R Y DALLAS DS1315 Phantom Time Chip SEMICONDUCTOR PIN ASSIGNMENT seconds, minutes, hours, days, date of the month, months, and years xi C X2 C WE C BAT1 C GND C • Adjusts for months with fewer than 31 days • Automatic leap year correction

battery Power Supply

Abstract: DS1314 DS1314E DS1314S DS1314S-2
Contextual Info: DS1314 3V Nonvolatile Controller with Lithium Battery Monitor www.dalsemi.com FEATURES § § § § § § § § § Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects SRAM when VCC is out of tolerance Automatically switches to battery backup

DS1315

Contextual Info: DS1315 PRELIMINARY DALLAS D S 1 3 1 5 Phantom Time Chip SEMICONDUCTOR FEATURES PIN ASSIGNMENT • Real time clock keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years • Adjusts for months with fewer than 31 days

Microcontroller AT89s52 counter time

Abstract: seconds DS1318 registers SS10 SS11
Contextual Info: Application Note 2740 Accessing the DS1318 Clock Registers www.maxim-ic.com PIN CONFIGURATION X1 X2 GND EXT A3 A2 A1 A0 DQ0 DQ1 DQ2 GND 1 2 3 4 5 6 7 8 9 10 11 12 DS1318 24 23 22 21 20 19 18 17 16 15 14 13 VCC VBAT IRQ SQW WE OE CE DQ7 DQ6 DQ5 DQ4 DQ3 DESCRIPTION

DS1312S-2

Contextual Info: 19-6306; Rev 6/12 ` DS1312 Nonvolatile Controller with Lithium Battery Monitor FEATURES • •        Converts CMOS SRAM into nonvolatile memory Unconditionally write-protects SRAM when VCC is out of tolerance Automatically switches to battery backup

9 volt battery

Abstract: battery load test DS1312 DS1312E DS1312S
Contextual Info: DS1312 DS1312 Nonvolatile Controller with Lithium Battery Monitor FEATURES PIN ASSIGNMENT • Converts CMOS SRAM into nonvolatile memory • Unconditionally write–protects SRAM when VCC is out of tolerance • Automatically switches to battery backup supply

TIMEKEEPER SRAM

Abstract: timing DIAGRAM OF ROM quartz watch chip VCCI02 780 AC cei crystal oscillator clock interfacing of RAM and ROM Datasheet interfacing ram and rom pin DIAGRAM OF ROM DS1215
Contextual Info: DS1315 PRELIMINARY DS1315 Phantom Time Chip FEATURES PIN ASSIGNMENT • Real time clock keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years • Adjusts for months with fewer than 31 days • Automatic leap year correction valid up to 2100

ALM11

Abstract: DS1318E on delay timer circuit diagram U242
Contextual Info: Rev 0; 2/04 Parallel-Interface Elapsed Time Counter The DS1318 parallel-interface elapsed time counter ETC is a 44-bit counter that maintains the amount of time that the device operates from main and/or backup power or during an external event. The internal

DS1318E

Contextual Info: Rev 0; 2/04 Parallel-Interface Elapsed Time Counter The DS1318 parallel-interface elapsed time counter ETC is a 44-bit counter that maintains the amount of time that the device operates from main and/or backup power or during an external event. The internal

Contextual Info: DS1312 DS1312 DALLAS SEMICONDUCTOR N onvolatile C ontroller with Lithium Battery M onitor FEATURES PIN ASSIGNMENT • Converts CMOS SRAM into nonvolatile memory • Unconditionally write-protects SRAM when out of tolerance Vqq is • Automatically switches to battery backup supply

DS1310

Contextual Info: DS1310/DS1311 P R E L IM IN A R Y DALLAS SEMICONDUCTOR FEATURES DS1310/DS1311 Super Socket PIN ASSIGNMENT • Built-in CM OS circuitry adds nonvolatile SRAM and real time clock to existing m icrocontroller-based de­ signs • Requires no printed circuit board m odification

DS1215

Abstract: DS1315 ICC01
Contextual Info: DS1315 Phantom Time Chip www.dalsemi.com PIN ASSIGNMENT FEATURES § Real time clock keeps track of hundredths of seconds, seconds, minutes, hours, days, date of the month, months, and years § Adjusts for months with fewer than 31 days § Automatic leap year correction valid up to

DS1315E-336

Abstract: DS1315E-33 DS1315E-5 DS1315EN-33 DS1315EN-5 DS1315N-33 DS1315N-5 DS1215 DS1315 DS1315-33
Contextual Info: DS1315 Phantom Time Chip www.dalsemi.com www.maxim-ic.com DESCRIPTION FEATURES The DS1315 Phantom Time Chip is a combination of a CMOS timekeeper and a nonvolatile memory controller. In the absence of power, an external battery maintains the timekeeping operation and provides power for a