intersil selection guide real time high-accuracy rtc modules, feature-rich rtcs, low-cost, low-power rtcs q3/q4 2011
www.intersil.com/timing real time clock ics intersil selection guide f eature-rich and cost -effectie real time c lock ic s f rom intersil intersils family of real time clock products offer a wide variety of useful industry-standard functions and features including clocks and calendars, programmable alarms with event recording, non-volatile memory for system personality data and unique device ids, and power supervision including backup battery and system shutdown management. the 3-in-1 module products feature an integrated 32khz crystal with onboard temperature sensor, to maintain high accuracy over the rated temperature range without user calibration. intersil real time clocks overview t arget a pplications ? handheld / portable devices ? industrial/ communications / specialty ? high volume consumer ? residential / industrial power meter intersils real time clocks offer the broadest choice of product features integrated crystal programmable alarm onboard crystal temperature compensation onboard memory frequency outputs backup battery management supervisory functions time stamp event detection ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? high a ccuracy f eature-rich lo w cost 3-in-1 modules small, cost-effective and feature-rich rtc
www.intersil.com/timing real time clock ics intersil selection guide high -a ccurac rtc m odule s isl12022m crystal oscillator frequency control temp sensor single alarm compen - sation registers brown-out alarm battery reseal? p i 2 c irq/f out clock calendar po r switch v d d v b a t battery- backed user sram battery or super cap 2.7v to 5.5v 1.8v to 5.5v t r i p v power control - 160 . 0 - 140 . 0 - 120 . 0 - 100 . 0 - 80 . 0 - 60 . 0 - 40 . 0 - 20 . 0 0 . 0 - 4 0 - 2 0 0 2 0 4 0 6 0 8 0 10 0 t e m p e r a t u r e (c) f out (ppm) isl12020m compensated crystal drift uncompensated crystal drift embedded crystal embedded temperature sensor tiny rtc module with embedded cr y stal and t emperature sensor a chieves better than 5.0ppm a ccurac y tiny real time clock (rtc) module with embedded crystal and temperature compensation circuitry achieves better than 5 ppm accuracy over the entire industrial temperature range (-40c to +85c). intersil is the first to offer an rtc module in a dfn package. this makes this module very attractive for handheld and portable applications that have stringent space requirements. rtc modules with embedded crystal and temp comp isl12020m, isl12022m ke f eatures ? isl12020m: worlds smallest 3-in-1 rtc module - rtc + crystal + temperature sensor - available in dfn package ? better than 5.0ppm accuracy for industrial temperature range - factory programmed for optimal accuracy ? battery reseal? function extends battery shelf life ? isl12022m: low-cost soic package - industrial: utility meters, pos, instruments - consumer: gps handhelds, cameras, copiers ? stand-alone rtc with temperature sensor also available (isl12022, isl12023) bloc diagram high a ccurac y even in etreme t emperature conditions 10.00 -50 -30 -10 10 temperature (c) 30 50 70 90 8.00 6.00 4.00 2.00 0.00 -2.00 -4.00 -6.00 -8.00 -10.00 f out (ppm) better than 5.0ppm over -40 to +85c! high-accuracy rtc modules ith embedded crystal and temperature compensation device i bat (na) alarms selectable frequency output cpu supervisory function battery irq f out sram other functions package por watchdog timer seal backup isl12020m 1000 1 15 n n y y shared pin 128 bytes ? battery switchover time stamp ? battery status monitor 20 ld dfn isl12022m 1000 1 15 n n y y shared pin 128 bytes ? battery switchover time stamp ? battery status monitor 20 ld soic isl12022ma 1000 1 15 n n y y shared pin 128 bytes ? enhanced environmental moisture tolerance ? 100% pin compatible with isl12022m ? firmware compatible with isl12020m and isl12022m enhanced 20 ld soic isl12022m -r5421 1000 1 15 n n y y shared pin 128 bytes ? enhanced esd performance ? 100% pin compatible with isl12022m ? firmware compatible with isl12020m and isl12022m enhanced 20 ld soic
www.intersil.com/timing real time clock ics intersil selection guide f eature-rich rtcs feature-rich rtcs device i bat (na) alarms selectable frequency output cpu supervisory function battery irq f out sram other functions package por watchdog timer seal back - up w ith 50/60 cycle ac input isl12030 n/a 2 n n n n n y n 128 bytes ? ac input 8 ld soic isl12032 800 2 7 y y n y y y 128 bytes ? ac input ? crystal backup ? trickle charger 14 ld tssop high precision rtc with on-chip temperature sensor isl12022 1000 1 15 n n y y shared pin 128 bytes ? battery switchover time stamp ? battery status monitor 8 ld soic isl12023 1000 1 15 n n y y dedicated pin dedicated pin 128 bytes ? battery switchover time stamp ? battery status monitor 14 ld tssop w ith integrated eeprom isl12026 850 2 3 n n y y shared pin 512x8-bit eeprom 8 ld soic, 8 ld tssop w ith integrated eeprom and embedded unique id isl12024 850 2 3 n n y y shared pin 512x8-bit eeprom ? 64-bit unique id 8 ld soic, 8 ld tssop isl12024irtcz 850 2 3 n n y y shared pin 512x8-bit eeprom ? 64-bit unique id 8 ld tdfn w ith integrated eeprom and cpu supervisory functions isl12027 850 2 y y y y - - 512x8-bit eeprom 8 ld soic, 8 ld tssop isl12028 850 2 3 y y y y shared pin 512x8-bit eeprom ? cmos output on alarms 14 ld soic, 14 ld tssop isl12029 850 2 3 y y y y shared pin 512x8-bit eeprom ? open drain output on alarms 14 ld soic, 14 ld tssop w ith integrated eeprom, embedded unique id, and cpu supervisory functions isl12025 850 2 y y y y - - 512x8-bit eeprom ? 64-bit unique id ? cpu supervisor 8 ld soic, 8 ld tssop isl12025 crystal oscillator cpu supervisor functions battery switch circuitry 64-bit unique id serial interface decoder 512 x 8-bits eeprom alarm p i 2 c v dd v bat battery or supercap watchdog timer power on reset 2.7v to 5.5v 1.8v to 5.5v clock calendar battery- backed user sram ? can be used to identify each node. data from each node can be encrypted with a unique id for security purposes. ? unique id can be accessed for reading purposes only. embedded 64-bit unique id power-on reset and atchdog timer isl12025 only 5 selectable v trip levels from 2.63v t o 4.64v 512x8-bits eeprom ? 16-byte page write mode (32 total pages) ? 8 modes of blocklock? protection ? >2,000,000 write cycle and 50 years endurance reliability do you track your product for warranty purposes rtc w ith f actor y p rogrammed 64-bit unique id enhances securit y the isl12024, isl12025 are rtcs with embedded 64-bit unique id, 512 x 8-bits eeprom, and supervisory functions (isl12025). these devices permit data encryption in security and networking applications and eliminate the need for an external stand-alone unique id. feature-rich rtc with embedded unique id isl12024, isl12025 ke f eatures ? real-time clock/calendar-tracks time in hours, minutes and seconds - day of the week, day, month and year ? 64-bit read-only unique id ? two non-volatile alarms - settable by seconds, to months - repeat mode (periodic interrupts) ? automatic backup switching to battery or supercap? ? on-chip oscillator compensation - internal feedback resistor and compensation capacitors - analog and digital trim bloc diagram automatic backup battery switch
www.intersil.com/timing real time clock ics intersil selection guide l o -c ost , l o -p o er rtcs m icro-po er, l o cost , small rtc p ro ides s ignificant pc real-e state s a ings the isl12057/8/9 offer a cost-improved 3-volt alternative to the most popular low-accuracy timekeeping products, with operation down to 1.4v for battery-powered, portable applications. low power, with irqs, alarm and timer isl12057, isl12058, isl12059 ke f eatures ? real time clock and calendar ? low standby current ? multiple selectable frequency outputs ? selectable alarms ? i 2 c interface ? operates over 1.4v to 3.6v supplies ? variety of popular compact packages) isl12058 cost-reduced alternative to isl1208 with added advantage of 3v operation. isl12057 ? drop-in replacement for ds1337 ? features operation down to 1.4v, tdfn package, and competitive price isl12059 ? improved alternative to st m41t00s ? features operation down to 1.4v and competitive price low-cost, low-power rtcs device i bat (na) alarms selectable frequency output cpu supervisory function battery irq f out sram other functions package por watchdog timer seal backup w ith battery backup isl12008 800 1 1 n n y y - dedicated pin 8 ld soic isl12082 800 1 4 n n y y dedicated pin dedicated pin n ? timer 10 ld msop, 8 ld soic w ith battery backed sram isl1208 400 1 15 n n y y shared pin 2 bytes 8 ld msop, 8 ld soic, 8 ld tdfn isl1218 400 1 15 n n y y shared pin 8 bytes 8 ld msop, 8 ld soic isl1220 400 1 15 n n y y dedicated pin dedicated pin 8 bytes 10 ld msop w ith battery backed sram and event detection isl1209 400 1 15 n n y y shared pin 2 bytes ? event detect 10 ld msop isl1219 400 1 15 n n y y shared pin 2 bytes ? event detect ? time stamp 10 ld msop isl1221 400 1 15 n n y y dedicated pin dedicated pin 2 bytes ? event detect ? time stamp 10 ld msop w ith irqs, alarm and timer isl12057 400 2 4 n n n n shared pin n ? 3v 8 ld soic, 8 ld msop, 8 ld tdfn isl12058 400 2 4 n n n n shared pin n ? 3v 8 ld soic, 8 ld msop, 8 ld tdfn, 8 ld tdfn isl12059 400 0 1 n n n n shared pin n ? 3v 8 ld soic
intersil corporation www.intersil.com north america w est coast intersil headquarters 1001 murphy ranch road milpitas, ca 95035 (tel) 408-432-8888 (fa x ) 408-434-5351 1-888-intersil 1-888-468-3774 east coast 1650 robert j conlan blvd ne palm bay, fl 32905 (tel) 321-724-7000 (fa x ) 321-729-7320 1-888-intersil 1-888-468-3774 europe oskar-messter-str. 29 d-85737 ismaning germany (tel) +49-89-46263-0 (fa x) +49-89-46263-148 asia pacific suite 1611, 16/f tower 2 silvercord, 30 canton road, tsimshatsui, k owloon hong k ong (tel) +852-2709-7600 (fa x ) +852-2730-1433 japan 6f, mita nitto daibiru 3-11-36, mita, minato-ku tokyo, 108-0073 japan (tel) +81-3-5439-2311 (fa x ) +81-3-5439-2300 intersil main offces v isit www.intersil.com for a complete list of sales representatives and distributors. ? lc-082.2 printed in usa 5/11 ? 2011 intersil americas inc. all rights reserved. the following are trademarks or registered trademarks of intersil americas inc.: intersil, intersil logo, i and design. all other trademarks are the property of the respective trademark owners.
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