81 real time clock module specifications (characteristics) absolute max. rating operating range frequency characteristics and current consumption characteristics dc characteristics external dimensions terminal connection ( unit: mm ) RTC-64611 rtc64613 a epson 9360a rtc 64611 a epson 5101a (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-64613 32.0 max. 13.6 4.4 3.3 0.8 15.24 0.25 2.5 16.3 max. 7.9 12.2 max. 1.0 1.27 0.35 2.54 0.46 0.3 0 . 2 unless otherwise stated, characteristics (specifications) shown in the above table are based on the rated operating temperature and voltage condition. ( ta = -20 to + 75 ? c ) no. 1 2 3 4 5 6 7 8 9 10 11 12 no. 13 14 15 16 17 18 19 20 21 22 23 24 gnd h-start /stop irq 1h z a 3 a 2 a 1 a 0 i/o 1 i/o 2 i/o 3 gnd pin terminal i/o 4 i/o 5 i/o 6 i/o 7 i/o 8 cs oe we nc ( v dd ) ( v dd ) v dd pin terminal 0 to 10 90 to 105 0.05 min. 2.8 max. 8-bit real time clock module RTC-64611 / 64613 built-in crystal unit allows adjustment-free efficient operation. 8-bit data bus and high speed access (85 ns max.). provided with the same interface as s-ram and battery backup function. interruption of alarm of sec. to day and day of week and carry interruption. reference signal selectable in a range of 1 hz to 64 hz (binary). leap year automatically adjustable (gregorian calendar). with 1 hz output terminal. provided with start/stop, 30 second adjust function. rtc-64613 uses a similar mounting method to that of a normal 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 RTC-64611 rtc-64613 RTC-64611 rtc-64613 specifications -0.5 to 7.0 -0.5 to v dd +0.3 -55 to +85 -55 to +125 under +260 c within 10 s (lead part) (package should be less than +150 c) twice at under +260 ? c within 10 s 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 cs v dd - 0.2 v specifications 4.5 to 5.5 -20 to + 75 2.0 to 4.5 0 min. t rc (85 ns) unit v c v ns item frequency tolerance frequency temperature characteristics aging shock resistance current consumption symbol ? f/fo fa s.r. i dd 1 i dd 2 ta=+25 c v dd =5 v 64611 a 64611 b 64613 a 64613 condition three drops on a hard board from 750 mm or 29400 m/s 2 x 0.3 ms x 1/2 sine wave x 3 directions no load __ cs 1.8 v v dd =5 v v dd =2 v specifications +15/-5(510) +55/-45(550) +25/-15(520) +55/-45(550) +10/-120 +10/-220 5 max. 10 max. 2 max. unit x 10 -6 x 10 -6 /year x 10 -6 ma a -10 to +70 c (+25 ? c reference temperature) -20 to +75 c (+25 ? c reference temperature) v dd =5 v, ta=+25 c, first year item h input voltage l input voltage input leak current three-state leak current output leak current h output voltage ___ (except for 1 hz, irq) l output voltage input capacity output capacity symbol v ih v il i in i tsl i loh v oh v ol c in c out condition i oh =-1 ma i ol =2.1 ma v in =o v ta=+25 c f =1.0 mhz min. 2.2 -0.3 2.4 max. v dd 0.8 2 10 0.4 12.5 unit v a v pf min. v dd -0.2 -0.3 max. v dd 0.2 2 10 v dd = 5 v 10 % v dd = 2 v actual size
82 real time clock module osc 32.768 kh z read mode write mode switching characteristic register table block diagram supplement 16 khz 2 khz 32 hz 8 khz 1 khz 16 hz 4 khz 512 hz 8 khz 256 hz 4 hz 128 hz 2 hz 64 hz 64 hz register / counter 64 hz alarm. register alarm comparison circuit sec. alarm. register min. alarm. register hour alarm. register day-of-week alarm. register day alarm. register control register a control register b sec. register / counter min. register / counter hour register / counter day-of-week register / counter day register / counter month register / counter year register / counter 1 hz 1 hz h start / stop write read data bus bus interface circuit i/0 1 to i/0 3 address bus a 0 to a 3 cs oe we irq address oe cs d out data valid t rc t aa t acs t oh t ohz t ohz t chz t oe t olz t oh v ol v ol v ol v ol oe cs d out d in address t wc t cw t aw t w-r t as t ohz we t wp t dw t dh measuring condition input pulse level: 0.8 to 2.4 v input rise time, fall time: 5 ns in/out timing pulse level: 1.5 v out put load: 1 ttl gate +100 pf note: do not enter erroneous data for clock. this may result in time keeping error. be sure to enter o to test bit. ? 1 0 1 2 3 4 5 6 7 8 9 a b c d e f b 7 ? address data b 6 1 hz b 5 2 hz b 4 4 hz b 3 8 hz b 2 16 hz b 1 32 hz b 0 64 hz 10-sec. digit 10-min. digit 1-sec. digit 1-min. digit 1-hour digit 10-hour digit ? ? ? ? ? ? ? ? 10-day digit 10-month digit 10-year digit 1 hz 2 hz 4 hz 8 hz 16 hz 32 hz 64 hz enb carry flag ram7 ram6 ram5 ram4 test ? 1 30-sec. adjustment reset s.start /stop alarm flag carry interruption enable alarm interruption enable 10-sec. digit 10-min. digit 10-hour digit ? 10-day digit day-of-week digit 1-day digit 1-month digit 1-year digit 1-sec. digit 1-min. digit 1-hour digit day-of-week digit 1-day digit remarks counter alarm register control register bit name ? mark 10-hour digit (b 5 ) under-sec. counter under-sec. alarm register sec.to year day of week description empty bit and unwriteable recognized as 0 while reading only for 24 h mode read only (unwriteable) used as binary code data used as binary code data both counter and alarm register use bcd code coded data is used ex: 0 sunday 1 monday 2 tuesday 3 wednesday 4 thursday 5 friday 6 saturday item read cycle time address access time chip select access time output enable access time output hold time chip select / output set time output enable / output set time chip deselect / output floating output disable / output floating symbol t rc t aa t acs t oe t oh t clz t olz t chz t ohz min. 85 10 5 0 max. 85 45 35 unit ns item write cycle time chip select time address valid time address setup time write pulse time address holding time ___ we output floating input data set time input data hold time output disable / output floating ___ we output set time symbol t wc t cw t aw t as t wp t wr t whz t dw t dh t ohz t ow min. 85 75 0 60 10 0 40 0 5 max. 35 35 unit ns
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