57 real time clock module specifications (characteristics) absolute max. rating operating range frequency characteristics and current consumption characteristics external dimensions terminal connection (unit: mm) rtc-63421/63421m 1 18 2 17 3 16 4 15 5 14 6 13 7 12 8 11 9 10 rtc63421 a epson 6051a rtc63423 a epson 6100 (v dd ) is to be same level as v dd. do not connect it to any external terminals. nc is not connected internally. 1 24 2 23 3 22 4 21 5 20 6 19 7 18 8 17 9 16 10 15 11 14 12 13 RTC-63423 rtc-63421/63421m RTC-63423 * 1=63421m * 2=motorola bus system 23.1 max. 3.3 min. 0.2 min. 6.8 4.2 max. 2.8 max. 0.05 min. 7.62 0.25 2.5 16.3 max. 7.9 12.2 max. 0.2 1.0 0.3 unless otherwise stated, characteristics (specifications) shown in the above table are based on the rated operating temperature and voltage condition. no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 no. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 interrupt cs 0 ale a 0 a 1 a 2 a 3 rd ( e * 1 ) gnd wr ( r/w * 1 ) d 3 d 2 d 1 d 0 cs 1 ( v dd ) ( v dd ) v dd interrupt cs 0 alarm ale a 0 30sec.adj a 1 68/80 a 2 a 3 rd ( e * 2 ) gnd wr ( r/w * 2 ) d 3 d 2 d 1 1h z d 0 cs 1 stop/ start nc ( v dd ) ( v dd ) v dd 63421/63421m 90 to 105 0 to 10 63423 4-bit multifunctional real time clock module rtc-63421 / 63421m / 63423 ? builtin crystal unit allows adjustment-free efficient operation. ? alarm interruption of sec. to month and day of week possible. ? provided with microcomputer compatible bus interface. ? standard signal output selectable in a range of 10min. to 1024 hz. ? either sec. to hour and day of week or sec. to year and day of week is selectable. ? reference area of time /alarm register is setabil. provided with ram bits. (marked on * ?which is shown resister table) ? provided with start/stop 30 second adjusting function. ? similar mounting method (RTC-63423) to the used for normal type smd ic. item power source voltage input voltage storage temperature soldering condition symbol v dd v in t stg t sol condition ta=25?c ta=25?c rtc-63421 rtc-63421m RTC-63423 rtc-63421 rtc-63421m RTC-63423 specifications -0.3 to 7.0 -0.3 to v dd +0.3 -55 to +85 -55 to +125 under 260?c within 10 sec. (lead part) (package should be less than 150?c) twice at under 260?c within 10 sec. or under 230?c within 3 min. unit v ?c item operating voltage operating temperature data holding voltage cs data holding time operation restoring time symbol v dd t opr v dh t cdr t r condition ------- refer to the data holding timing specifications 4.5 to 5.5 -40 to +85 2.0 to 5.5 2.0 min. unit v ?c v ? item frequency tolerance frequency temperature characteristics aging shock resistance current consumption symbol d f/fo fa s.r. i dd 1 i dd 2 ta=25?c v dd =5v 63421a/63421ma 63421b/63421mb 63423 a 63423 condition three drops on a hard board from 75 cm or 3000g x 0.3ms x 1/2 sine wave x 3 directions cs 1 =0v v dd =5v v dd =2v specifications +15/-5 (5?0) +55/-45 (5?0) +25/-15 (5?0) +55/-45 (5?0) +10/-120 +10/-220 ? max. ?0 max. 30max. 1.8 max. unit ppm ppm/y ppm ? -10 to +70?c (25?c reference temperature) -30 to +85?c (25?c reference temperature) v dd =5v, ta=25?c, first year model rtc-63421 rtc-63421m RTC-63423 applicable cpu intel bus system motorola bus system ?otel?bus system actual size
58 real time clock module r/w e a 0 to a 3 d 0 to d 3 cs 1 cs 0 or wr not occurred cs 1 1/5v dd v dd 4v 4v v il 2 v ih v il v il t cdr t r 2 to 4v data holding mode interface possible with external terminals interface possible with the external terminals read mode write mode data hoiding timing switching characteristics register table t ec t elw t erw t ehw t rwe t ds t dh v il 1 v il 1 v il 1 v il 1 v il 1 v il 1 v il 1 v il v ih1 v ih1 v ih1 v ih1 v ih v ih1 v il 1 r/w e a 0 to a 3 d 0 to d 3 t ec t elw t erw t ehw t rwe t rd t ed v ol 1 v il 1 v il 1 v ih1 v ih1 v il 1 v il 1 v il v oh1 v ol 1 v oh1 v ih1 v ih1 v ih1 v ih1 ( v dd = 5v 0.5v, ta = 0 to + 70?c ) motorola bus system switching characteristics on the intel bus system are the same as those for the rtc-6242 series. 0 1 2 3 4 5 6 7 8 9 a b c d e f symbol of register r-s 1 r-s 10 r-mi 1 r-mi 10 r-h 1 r-h 10 r-d 1 r-d 10 r-mo 1 r-mo 10 r-y 1 r-y 10 r-w c d c e c f d 3 r-s 8 * r-mi 8 * r-h 8 * r-d 8 r-mo 8 r-y 8 r-y 80 * it/pls 2 irq flag 0 bank 1 bank 0 d 2 r-s 4 r-s 40 r-mi 4 r-mi 40 r-h 4 ___ r- pm/am r-d 4 r-mo 4 * r-y 4 r-y 40 r-w 4 it/pls 1 reset stop d 1 r-s 2 r-s 20 r-mi 2 r-mi 20 r-h 2 r-h 20 r-d 2 r-d 20 r-mo 2 r-y 2 r-y 20 r-w 2 mask 2 irq flag 2 30 sec. adj d 0 r-s 1 r-s 10 r-mi 1 r-mi 10 r-h 1 r-h 10 r-d 1 r-d 10 r-mo 1 r-mo 10 r-y 1 r-y 10 r-w 1 mask 1 irq flag 1 read flag real time register name 1 - sec. digit register 10 - sec. digit register 1 - min. digit register 10 - min. digit register 1 - hour digit register 10 - hour digit register 1 - day digit register 10 - day digit register 1 - month digit register 10 - month digit register 1 - year digit register 10 - year digit register week register control register d control register e control register f item __ r/w, address setup time e ??pulse width __ r/w, address hold time e ??pulse width e cycle time data setup time data hold time e to data (cl=150pf) data hold symbol t rwe t ehw t erw t elw t ec t ds t dh t rd t ed min. 100 220 20 220 500 180 20 10 max. 120 unit ns address bank 0 symbol of register a-s 1 a-s 10 a-mi 1 a-mi 10 a-h 1 a-h 10 a-d 1 a-d 10 a-mo 1 a-mo 10 a-w a-emb c c c d c e c f d 3 a-s 8 * a-mi 8 * a-h 8 * a-d 8 a-mo 8 * ae 8 * hd/sft d 2 a-s 4 a-s 40 a-mi 4 a-mi 40 a-h 4 ___ a- pm/am a-d 4 a-mo 4 * r-w 4 ae 4 cy 2 __ 24/12 d 1 a-s 2 a-s 20 a-mi 2 a-mi 20 a-h 2 a-h 20 a-d 2 a-d 20 a-mo 2 a-w 2 ae 2 test 2 cy 1 cal d 0 a-s 1 a-s 10 a-mi 1 a-mi 10 a-h 1 a-h 10 a-d 1 a-d 10 a-mo 1 a-mo 10 a-w 1 ae 1 test 1 cy 0 d p alarm register name 1 - sec. digit register 10 - sec. digit register 1 - min. digit register 10 - min. digit register 1 - hour digit register 10 - hour digit register 1 - day digit register 10 - day digit register 1 - month digit register 10 - month digit register week register area define register test register control register d control register e control register f bank 1 same as bank 0 * * *
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