a-data a dbcb1916 rev i sion history r e v i sion 1 ( d ec. 2001 ) 1.f i s t er r e leas e. r e v i sion 2 ( a p r . 2002 ) 1. changed m odule c u r r ent s pec if ic ation. 2. add per f or m anc e r ange. 3. c hanged ac c haracteristics. 4. c hanged ty po siz e on module pc b in package dimensions. rev 2 apr . 2002 1 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 ddr sdra m 184pin dimm 64m x64bit s ddr sdra m 184pin dim m based on 32m x8 performance range general d escript i on t he ad bc b1916 is 64m x 64 bit s d ouble d a t a r a te sd r a m m odules, t he modules are composed of six t een 32m x 8 bit s c m o s d ouble d a t a r a te sd r a m s in t s o p -ii 400mil 66pin p a ckage and one 2kbit eepro m in 8pin t sso p(t s o p ) p a ckage on a 184pin glass?epox y printed circuit board. t he a-d a t a is a d ual in-line m e mory m odule and is intended for mounting onto 184-pins edge connector socket s . sy nchronous design allow s precise cy cle control w i th the use of sy stem clock. d a t a i/o transactions are possible on both edges of d q s. r ange of operating frequencies, programmable latencies and burst lengths allow the same dev ice to be useful for a v a riety of high bandw id th, high performance memory sy stem applications. feat ures ? d l l aligns d q and d q s transition w i th c k transition ? d ouble-dat a-rate architecture. ? bi-directional dat a strobe (d q s ) ? d i f f erential clock input s(c k and /c k) ? auto refresh and self refresh ? 8192 refresh cy cles / 64ms ? pow e r supply : vdd,vddq:2.5v 0.2v ? programmable burst length (2,4,8) ? serial pres enc e detec t w i th eeprom ? m odule bank : tw o phy sical bank ? pc b : bu d a 84a,h eight (29.21mm),double sided component, six lay e rs part no. m a x freq. interface ad bc b 1 9 1 6 1 3 3 m h z sst l _ 2 pin a ssignment front side back side p i n n a m e pin nam e pin nam e pin nam e pin nam e pin nam e pin nam e pin nam e 1 v r e f 2 4 d q 1 7 4 7 * d q s 8 70 vd d 9 3 vss 1 1 6 vss 139 v s s 1 6 2 dq47 2 d q 0 2 5 d q s 2 4 8 a 0 7 1 * / c s 2 9 4 d q 4 1 1 7 d q 2 1 140 * d m 8 1 6 3 * / c s 3 3 v s s 2 6 v s s 4 9 * c b 2 72 dq48 95 dq5 1 18 a1 1 141 a 1 0 1 6 4 vddq 4 d q 1 2 7 a 9 5 0 v s s 7 3 dq49 96 v ddq 1 1 9 d m 2 142 * c b 6 1 6 5 dq52 5 d q s 0 2 8 d q 1 8 5 1 * c b 3 74 vss 97 d m 0 120 vd d 143 vd d q 1 6 6 d q 53 6 d q 2 2 9 a 7 5 2 b a 1 7 5 /c k2 98 d q 6 121 d q 22 144 * c b 7 1 6 7 n c 7 v d d 3 0 v d d q 5 3 d q 3 2 7 6 ck2 9 9 d q7 122 a 8 145 v s s 1 6 8 vdd 8 d q 3 3 1 d q 1 9 5 4 v d d q 7 7 vd d q 100 vss 123 d q 23 146 d q 3 6 1 6 9 d m 6 9 n c 3 2 a 5 5 5 d q 3 3 7 8 d q s6 101 n c 124 vss 147 d q 3 7 1 7 0 d q 54 1 0 n c 3 3 d q 2 4 5 6 d q s 4 79 d q 50 102 n c 125 a 6 148 vd d 1 7 1 d q 55 1 1 v s s 3 4 v s s 5 7 d q 3 4 80 dq51 103 *a13 126 dq28 149 dm 4 1 7 2 vddq 1 2 d q 8 3 5 d q 2 5 5 8 v s s 81 vss 104 vddq 127 dq29 150 d q 3 8 1 7 3 n c 1 3 d q 9 3 6 d q s 3 5 9 b a 0 82 vd d i d 105 d q 12 128 vd d q 151 d q 3 9 1 7 4 d q 60 1 4 d q s 1 3 7 a 4 6 0 d q 3 5 83 dq56 106 dq13 129 dm 3 152 v s s 1 7 5 dq61 1 5 v d d q 3 8 vd d 6 1 d q 4 0 84 d q 57 107 d m 1 130 a 3 153 d q 4 4 1 7 6 vss 1 6 c k 1 3 9 d q 2 6 6 2 v d d q 8 5 vd d 108 vd d 131 d q 30 154 /r a s 1 7 7 d m 7 1 7 /c k 1 4 0 d q 2 7 6 3 / w e 8 6 d q s7 109 d q 14 132 vss 155 d q 4 5 1 7 8 d q 62 1 8 v s s 4 1 a 2 6 4 d q 4 1 87 dq58 1 1 0 d q15 133 dq31 156 v d d q 1 7 9 dq63 1 9 d q 1 0 4 2 v s s 6 5 / c a s 88 dq59 1 1 1 *c ke1 134 *cb4 157 / c s 0 1 8 0 vddq 2 0 d q 1 1 4 3 a 1 6 6 v s s 89 vss 1 1 2 v ddq 135 *cb5 158 * / c s 1 1 8 1 sa0 2 1 c k e 0 4 4 * c b 0 6 7 d q s 5 90 n c 1 1 3 * ba2 136 vd d q 159 d m 5 1 8 2 sa1 2 2 v d d q 4 5 * c b 1 6 8 d q 4 2 91 sd a 1 14 dq20 137 ck0 160 v s s 1 8 3 sa2 2 3 d q 1 6 4 6 vd d 6 9 d q 4 3 92 sc l 1 15 a12 138 /c k0 161 d q 4 6 1 8 4 vd d s * thes e pi ns are not us ed i n t h i s m odul e. rev 2 apr . 2002 2 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 pin d escript i on p i n n a m e f u nct i o n ck 0~2, / c k 0 ~3 s y s t em cl oc k a c t i ve on t he pos i t i v e edge t o s a m p l e al l i nput s . ck e 0 ~ 1 c l oc k e nabl e m a sks sy ste m cl o ck to fr e e z e operat i on f r om t he nex t c l oc k c y c l e. ck e s houl d be enabl ed at l eas t on c y c l e pri o r new c o m m and. di s abl e i nput buf f e rs f o r pow er dow n i n s t andby / c s 0 ~3 chi p s e l e c t di s abl es or e nabl es devi c e operat i on by m a s k i ng or enabl i ng al l i nput ex c ept ck , ck e and l(u)dqm a 0 ~a 12 a ddres s row / col u m n addres s are m u l t i p l e x ed on t he s a m e pi ns . b a 0~b a 1 b ank s s e l e c t s e l e c t s bank t o be ac t i vat ed duri ng row addres s l a t c h t i m e . s e l e c t s bank f o r read / w r i t e duri ng c o l u m n addres s l a t c h t i m e . dq0~dq63 dat a dat a i nput s / out put s are m u l t i p l e x ed on t he s a m e pi ns . dqs 0 ~dqs 7 dat a s t robe b i -di r ec t i onal dat a s t robe dqm 0 ~7 dat a m a s k m a k e s dat a out put hi -z, / r a s row a ddres s s t robe lat c hes row addres s e s on t he pos i t i v e edge of t he clk w i t h / r a s l o w / c a s col u m n a ddres s s t robe lat c hes col u m n addres s e s on t he pos i t i v e edge of t he clk w i t h / c a s lo w / w e w r i t e e nabl e e nabl es w r i t e operat i on and row rec harge. v d d/ v s s p o w e r s uppl y/ ground p o w e r and ground f o r t he i nput buf f e rs and t he c o re l ogi c . v ddq p o w e r s uppl y p o w e r s uppl y f o r dqs v r e f p o w e r s uppl y ref e renc e p o w e r s uppl y f o r ref e renc e v dds s p d p o w e r s uppl y s e ri al e e p rom pow er s uppl y sd a se r i a l d a t a i/o eepr o m se r i a l d a t a i/o sc l ser i al c l oc k eepr om c l oc k input s a 0 ~ 2 a d d r e s s in eepr om eepr om addres s input v d di d v d d i dent i f i c at i on v dd i dent i f i c at i on f l ag nc no connec t i on thi s pi n i s rec o m m ended t o be l e f t no connec t i on on t he devi c e. rev 2 apr . 2002 3 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 b l ock d i agram dq4 dq5 dq6 dq7 dq0 dq1 dq2 dq3 dm i/o 7 i/o 6 i/o 1 i/o 0 d0 dm0 dm d8 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dq12 dq13 dq14 dq8 dq9 dq10 dq11 dm i/o 7 i/o 6 i/o 1 i/o 0 d1 dm d9 i/o 5 i/o 4 i/o 3 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 dm1 dq20 dq21 dq22 dq23 dq16 dq17 dq18 dq19 dm i/o 7 i/o 6 i/o 1 i/o 0 d2 dm d10 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dm2 dq28 dq29 dq30 dq31 dq24 dq25 dq26 dq27 dm i/o 7 i/o 6 i/o 1 i/o 0 d3 dm d11 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dm3 dq36 dq37 dq38 dq39 dq32 dq33 dq34 dq35 dm i/o 7 i/o 6 i/o 1 i/o 0 d4 dm4 dm d12 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dq44 dq45 dq46 dq47 dq40 dq41 dq42 dq43 dm i/o 7 i/o 6 i/o 1 i/o 0 d5 dm d13 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dm5 dq52 dq53 dq54 dq55 dq48 dq49 dq50 dq51 dm i/o 7 i/o 6 i/o 1 i/o 0 d6 dm d14 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dq60 dq61 dq62 dq63 dq56 dq57 dq58 dq59 dm i/o 7 i/o 6 i/o 1 i/o 0 d7 dm d15 i/o 5 i/o 4 i/o 3 i/o 2 i/o 0 i/o 1 i/o 6 i/o 7 i/o 2 i/o 3 i/o 4 i/o 5 dm7 a0 - a13 a0-a13: sdrams d0 - d15 a0 serial pd a1 a2 sa0 sa1 sa2 scl sda ras ras : sdrams d0 - d15 cas cas : sdrams d0 - d15 cke0 cke: sdrams d0 - d7 we we : sdrams d0 - d15 cs0 cs1 cs cs cs cs cs cs cs cs cs cs cs cs cs cs cs cs cke1 cke: sdrams d8 - d15 ba0 - ba1 ba0-ba1: sdrams d0 - d15 dqs0 dqs dqs4 dqs1 dqs5 dqs dqs dqs2 dqs dqs dqs3 dqs dqs dm6 dqs6 dqs7 dq15 i/o 2 i/o 5 dqs dqs dqs dqs dqs dqs dqs dqs dqs v ss d0 - d15 d0 - d15 v dd /v ddq d0 - d15 d0 - d15 vref v ddid strap: see note 4 wp v ddspd spd rev 2 apr . 2002 4 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 a b solut e m aximum r a t i ngs p a ram e t e r s y m bol v a l u e uni t v o l t age on any pi n rel a t i ve t o v s s v in , v out - 0 . 5 ~3. 6 v v o l t age on v dd s uppl y rel a t i ve t o v s s v dd - 1 . 0 ~3. 6 v v o l t age on v ddq s uppl y rel a t i ve t o v s s v ddq - 0 . 5 ~3. 6 v s t orage t e m perat ure t st g - 5 5 ~ + 1 5 0 : p o w e r di s s i p a t i on p d 1 6 w s hort c i rc ui t c u rrent i os 5 0 m a no te : p e rm anent devi c e dam age m a y oc c u r i f a b s o lute m a x i m u m ra ti ng are ex c eeded. func t i onal operat i on s houl d be res t ri c t ed t o rec o m m ended operat i ng c ondi t i on. e x pos ure t o higher t han rec o m m ended v o lt age f o r ex t ended periods of t i m e c ould af f e c t dev ic e reliabilit y . dc operating condition v o l t age ref e renc ed t o v s s = 0v , t a = 0 t o 70 : p a ram e t e r s y m bol m i n m a x uni t not e s uppl y vol t age v dd , v ddq 2 . 3 2. 7 v ref e renc e vol t age v ref v ddq / 2 -50m v v ddq / 2 +50m v v 1 t e rm i nat i on vol t age v tt v ref - 0. 0 4 v ref +0. 0 4 2 i nput l ogi c hi gh vol t age v ih v ref +0. 1 5 v ddq +0. 3 v 3 i nput l ogi c l o w vol t age v il - 0 . 3 v ref - 0. 1 5 v 3 out put l ogi c hi gh vol t age v oh v tt +0. 8 4 - v i oh =-16. 8m a out put l ogi c l o w vol t age v ol - v tt - 0. 8 4 v i ol =16. 8m a i nput vol t age level v in - 0 . 3 v ddq +0. 3 v i nput di f f erent i a l v o l t age v id 0 . 3 v ddq +0. 6 v 4 i nput c r os s i ng poi nt vol t age v ix 1 . 1 5 1. 3 5 v 5 i nput l eak age c u rrent i il - 2 2 ua out put l eak age c u rrent i ol - 5 5 ua no te : 1. i n c l udes d 25m v m a rgi n f o r dc of f s et on v ref , and a c o m b i ned t o t a l of d 50m v m a rgi n f o r al l a c noi s e and dc of f s e t on v ref , bandw i d t h l i m i t ed t o 20m hz. the dra m m u s t a c com m odat e dra m c u rrent s p i k e s o n v ref and i n t e rnal dra m noi s e c oupl ed t o v ref , bot h of w h i c h m a y res u l t i n v ref noi s e . v ref s houl d be de-c oupl ed w i t h an i nduc t anc e of 3nh. 2. v tt i s not appl i ed di rec t l y t o t he devi c e. v tt i s a s y s t em s uppl y f o r s i gnal t e rm i nat i on res i s t ors , i s ex pec t ed t o be s e t equal t o v ref , and m u s t t r ac k vari at i ons i n t he dc l e vel of v ref 3. thes e p a ra m e t e rs s houl d be t e st ed at t h e pi n on a c t ual c o m ponent s and m a y be c heck ed a t ei t her t he pi n o r t he p ad i n s i m u l a t i on. the a c and dc i nput s pec i f i c at i ons are rel a t i ve t o a v r e f envel op t hat has been bandw i d t h l i m i t ed t o 200m hz. 4. v id i s t he m agni t ude of t he di f f erenc e bet w een t he i nput l e vel on ck and t he i nput l e vel on / c k . 5. the val ue of v ix i s ex pec t ed t o e qual 0. 5*v ddq o f t he t r an sm i t t i ng devi c e and m u s t t r a c k vari at i ons i n t he dc l e vel of t he s a m e . rev 2 apr . 2002 5 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 c a p acit a nce ta = 2 5 , v d dq=2. 5 v , v d d=2. 5v p a ram e t e r p i n s y m bol m i n m a x uni t i nput c a p a c i t anc e ck , a 0~a 12, b a 0 , b a 1 , r a s , / ca s , / w e c l 1 49 57 pf i nput c a p a c i t anc e ck e , cs ci 2 42 50 pf i nput c a p a c i t anc e ck 0~ck 2 ci 3 22 25 p f dat a i nput / out put c a p a c i t an c e dqm ci 4 6 8 pf i nput c a p a c i t anc e dm 0~dm 8 ci 5 6 8 pf out put load circuit output load circuit (sstl_2) output z0=50 ? 0 0.5 50 ? 0.5 d c c h aract erist i cs ii t a = 0 to 7 0 s y m bol c o n d i t i o n t y pi c a l uni t not e i d d 0 o n e bank a c t i ve-p rec h a r g e 8 0 0 m a i d d1 one bank operat i on 1, 000 m a i d d2p p r ec harge pow er-dow n s t andby c u rrent 200 m a i d d2f p r ec harge f l oat i ng s t andby c u rrent 360 m a i d d2q p r ec harge qui et s t andby c u rrent 280 m a i d d3p a c t i ve pow er-dow n s t andby c u rrent 240 m a i d d 3 n a c t i ve s t andby c u rrent 4 0 0 m a i d d4r operat i ng c u rrent -burs t read 1, 360 m a i d d4w operat i ng c u rrent -burs t w r i t e 1, 480 m a i d d5 a u t o ref r es h c u rrent 1, 480 m a i d d6 s e l f ref e s h c u rrent 16 m a i d d7a operat i ng c u rrent -four bank operat i on 2, 600 m a rev 2 apr . 2002 6 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 a c c h aract erist i cs a d b c b 1916 pa r a m e te r s y m b o l mi n m a x uni t n o t e / c a s lat enc y = 2. 5 t c k 2 . 5 7. 5 12 sy ste m cl o ck cyc l e t i m e / c a s lat enc y = 2 t c k 2 10 12 ns cl oc k hi gh pul s e w i d t h t c hw 0. 45 0. 55 tc k 1 cl oc k l o w pul s e w i d t h t c l w 0. 45 0. 55 tc k 1 acce ss ti m e fo r m cl o ck tac - 0 .7 5 0 .7 5 n s 2 / r a s c y c l e t i m e t rc 65 ns /r as to /c as d e l a y tr c d 2 0 ns /r as a c tiv e tim e tr as 4 5 1 2 0 k ns / r a s prec harge t i m e t r p 2 0 ns / r a s t o / r a s bank ac t i ve del ay t r rd 1 5 ns /c as to /c as d e l a y tc c d 1 tc k w r i t e rec o very t i m e t w r 2 tc k ref r es h row c y c l e t i m e t r fc 7 5 ns col . a ddres s t o col . a ddres s del ay t c cd 1 tc k d q s o u t a cce ss tim e fr o m c k /c k td q s c k -0. 751 +0. 7 5 ns dat a s t robe edge t o out put dat a edge t d qs q + 0 . 5 ns c k to v a lid d q s- in td q s s 0. 752. 7 1. 25 tc k dqs ? i nput s e t up t i m e t w p r e s 0 ns dqs ? i nput hol d t i m e t w p r e h 0. 25 tc k a ddres s / com m and s e t up t i m e t i s 0. 9 ns a ddres s / com m and hol d t i m e t i h 0. 9 ns dqs f a l l i ng edge t o ck ri s i ng-s e t up t i m e t d ds 0. 2 tc k dqs f a l l i ng edge f r om ck ri s i ng-hol d t i m e t d s h 0. 2 tc k dqs i n hi gh l e vel w i d t h t d qs h 0. 35 tc k d q s in lo w le v e l w i d t h td qsl 0. 35 tc k d q s i n cy cl e ti m e td sc 0. 9 1 . 1 tc k m r s t o new c o m m and t m rd 1 5 ns p o w e r dow n ex i t t i m e t p de x 1 0 ns rev 2 apr . 2002 7 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 command t r uth-t a ble com m a n d c k e n - 1 ck e n / c s / ra s / ca s / w e dqm a d d r a 10/ a p b a m ode regi s t e r s e t h x l l l l x op c o d e no operat i on h x l h h h x x b ank a c t i ve h x l l h h x ra v read l read w i t h a u t o p r ec harge h x l h l h x ca h v wr i t e l w r i t e w i t h a u t o p r ec harge h x l h l l x ca h v p r ec harge a l l b ank h x p r ec harge s e l e c t b ank h x l l h l x x l v b u rs t s t o p h x l h h l x x a u t o ref r es h h h l l l h x x e n t r y h l l l l h x h x x x s e l f ref r es h ex i t l h l h h h x x h x x x en tr y h l l h h h x h x x x p r ec harge p o w e r dow n ex i t l h l h h h x x e n t r y h l x x x x x cl oc k s u s pend e x i t l h x x x x x x rev 2 apr . 2002 8 www.datasheet.co.kr datasheet pdf - http://www..net/
a-data a dbcb1916 package inf o rmat i on 5.25 0.006 5.077 units : inches (millimeters) 0.050 0.0078 0.006 (0.20 0.15) 0.145 max 0.050 0.0039 (1.270 0.10) 0. 100 m i n (2 . 3 0 mi n ) 0. 39 3 ( 1 0. 00 ) (1.270 ) 0. 10 0 (2 . 5 0 ) detail b a b (128.950) (133.350 0.15) 0.250 (6.350 ) detail a 0.157 (4.00 ) 0.071 (1.8 0) (3.67 max) 0.039 0.002 (1.000 0 . 050) (3.80) 2.175 (6.62) (64.77) (49.53) ( 1 7. 80 ) 2.55 1.95 0.26 2.500 0. 7 0.10 m c ba 0.1496 (3.00) 0.118 r (2.00) 0.0787 (4.00) 0.1575 1.25 0.006 1.5 0.15) . 00) ) 0. 15 0.10 .00) 0.11 . 00 www.datasheet.co.kr datasheet pdf - http://www..net/
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