1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. 512mb - 64mx64, sdram unbuffered description the wed3dg6466v is a 64mx64 synchronous dram module which consists of eight 64mx8 sdram components in tsop ii package and one 2k eeprom in an 8 pin tssop package for serial presence detect which are mounted on a 168 pin dimm multilayer fr4 substrate. * this datasheet describes a product that may or may not be under development and is subject to change or cancellation without notice. features n burst mode operation n auto and self refresh capability n lvttl compatible inputs and outputs n serial presence detect with eeprom n fully synchronous: all signals are registered on the positive edge of the system clock n programmable burst lengths: 1, 2, 4, 8 or full page n 3.3v 0.3v power supply n 168 pin dimm jedec pin configurations (front side/back side) pin names * these pins are not used in this module. ** these pins should be nc in the system which does not support spd. *** wp available on the wed3dg6364v-d2 only a0 C a12 address input (multiplexed) ba0-1 select bank dq0-63 data input/output cbo-7 check bit (data-in/data-out) ck0,ck2 clock input cke0# clock enable input cs0# - cs2# chip select input ras# row address strobe cas# column address strobe we# write enable dqm0-7 dqm v dd power supply (3.3v) v ss ground sda serial data i/o scl serial clock dnu do not use nc no connect wp write protect pin front pin front pin front pin back pin back pin back 1 v ss 29 dqm1 57 dq18 85 v ss 113 dqm5 141 dq50 2 dq0 30 cs0# 58 dq19 86 dq32 114 *cs1# 142 dq51 3 dq1 31 dnu 59 v dd 87 dq33 115 ras# 143 v dd 4 dq2 32 v ss 60 dq20 88 dq34 116 v ss 144 dq52 5 dq3 33 a0 61 nc 89 dq35 117 a1 145 nc 6 v dd 34 a2 62 *vref 90 nc 118 a3 146 *vref 7 dq4 35 a4 63 *cke1 91 dq36 119 a5 147 dnu 8 dq5 36 a6 64 v ss 92 dq37 120 a7 148 v ss 9 dq6 37 a8 65 dq21 93 dq38 121 a9 149 dq53 10 dq7 38 a10/ap 66 dq22 94 dq39 122 ba0 150 dq54 11 dq8 39 ba1 67 dq23 95 dq40 123 a11 151 dq55 12 v ss 40 v dd 68 v ss 96 v ss 124 v dd 152 v ss 13 dq9 41 v dd 69 dq24 97 dq41 125 *ck1 153 dq56 14 dq10 42 ck0 70 dq25 98 dq42 126 a12 154 dq57 15 dq11 43 v ss 71 dq26 99 dq43 127 v ss 155 dq58 16 dq12 44 dnu 72 dq27 100 dq44 128 cke0 156 dq59 17 dq13 45 cs2# 73 v dd 101 dq45 129 cs3# 157 v dd 18 v dd 46 dqm2 74 dq28 102 v dd 130 dqm6 158 dq60 19 dq14 47 dqm3 75 dq29 103 dq46 131 dqm7 159 dq61 20 dq15 48 dnu 76 dq30 104 dq47 132 *a13 160 dq62 21 *cbo 49 v dd 77 dq31 105 *cb4 133 v dd 161 dq63 22 *cb1 50 nc 78 v ss 106 *cb5 134 nc 162 v ss 23 vss 51 nc 79 ck2 107 v ss 135 nc 163 *ck3 24 nc 52 *cb2 80 nc 108 nc 136 *cb6 164 nc 25 nc 53 *cb3 81 ***wp 109 nc 137 *cb7 165 **sa0 26 v dd 54 v ss 82 **sda 110 v dd 138 v ss 166 **sa1 27 we# 55 dq16 83 **scl 111 cas# 139 dq48 167 **sa2 28 dqm0 56 dq17 84 v dd 112 dqm4 140 dq49 168 v dd
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. functional block diagram dqm1 dqm5 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u0 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dqm cs# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u4 dq32 dq33 dq34 dq35 dq36 dq37 dq38 dq39 dqm cs# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u1 dq8 dq9 dq10 dq1 1 dq12 dq13 dq14 dq15 dqm cs# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u5 dq40 dq41 dq42 dq43 dq44 dq45 dq46 dq47 dqm cs# dqm0 cs0# dqm4 dqm3 dqm2 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u2 dq16 dq17 dq18 dq19 dq20 dq21 dq22 dq23 dqm cs# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u3 dq24 dq25 dq26 dq27 dq28 dq29 dq30 dq31 dqm cs# cs2# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u6 dq48 dq49 dq50 dq51 dq52 dq53 dq54 dq55 dqm cs# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 u7 dq56 dq57 dq58 dq59 dq60 dq61 dq62 dq63 dqm cs# dqm6 dqm7 v dd vss one 0.1uf and one 0.22 uf cap. per each sdram to all sdrams a0 ~ a12, ba0 & 1 cke0 ras# cas# we# sdram u0 ~ u 7 sdram u0 ~ u 7 sdram u0 ~ u 7 sdram u0 ~ u 7 sdram u0 ~ u 7 10 w dqn every dqpin of sdram sda scl a1 a2 a0 sa1 sa2 sa0 wp wp ck1/3 10 w 10pf u0/u2 u5/u6 10 w ck0/2 u1/u3 u6/u7 1.5 pf
3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. absolute maximum ratings parameter symbol value units voltage on any pin relative to v ss v in , v out -1.0 ~ 4.6 v voltage on v dd supply relative to v ss v dd , v ddq -1.0 ~ 4.6 v storage temperature t stg -55 ~ +150 c power dissipation p d 8 w short circuit current i os 50 ma note: permanent device damage may occur if "absolute maximum ratings" are exceeded. functional operation should be restricted to recommended operating condition. exposure to higher than recommended voltage for extended periods of time could af fect device reliability. recommended dc operating conditions (voltage referenced to: v ss = 0v, t a = 0c +70c) parameter symbol min typ max unit note supply voltage v dd 3.0 3.3 3.6 v input high voltage v ih 2.0 3.0 v ddq +0.3 v 1 input low voltage v il -0.3 0.8 v 2 output high voltage v oh 2.4 v i oh = -2ma output low voltage v ol 0.4 v i ol = -2ma input leakage current i li -10 10 a 3 note: 1. v ih (max)= 5.6v ac. the overshoot voltage duration is 3ns. 2. v il (min)= -2.0v ac. the undershoot voltage duration is 3ns. 3. any input 0v v in v ddq input leakage currents include hi-z output leakage for all bi-directional buf fers with tri-state outputs. capacitance (t a = 23c, f = 1mhz, v dd = 3.3v, v ref =1.4v 200mv) parameter symbol min max unit input capacitance (a0-a12) c in 1 - 40 pf input capacitance (ras#,cas#,we#) c in 2 - 40 pf input capacitance (cke0) c in 3 - 40 pf input capacitance (ck0) c in 4 - 30 pf input capacitance (cs0#,cs2#) c in 5 - 25 pf input capacitance (dqm0-dqm7) c in 6 - 10 pf input capacitance (ba0-ba1) c in 7 - 40 pf data input/output capacitance (dq0-dq63) c out - 10 pf
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. operating current characteristics (v cc = 3.3v, t a = 0c to +70c) notes: 1. measured with outputs open. 2. refresh period is 64ms. 3. unless otherwise noticed, input swing level is cmos (v ih /v il = v ddq /v ssq ) parameter symbol conditions version units note 133 100 operating current (one bank active) i cc1 burst length = 1 t rc t rc (min) i ol = 0ma 1,600 1,440 ma 1 precharge standby current in power down mode i cc2p cke v il (max), t cc = 10ns 50 ma i cc2ps cke & ck v il (max), t cc = 45 precharge standby current in power down mode i cc2n cke v ih (min), cs v ih (min), tcc = 10ns input signals are charged one time during 20ns 240 ma i cc2ns cke v ih (min), ck v il (max), tcc = input signals are stable 100 active standby current in power-down mode i cc3p cke v il (max), t cc = 10ns 100 ma i cc3ps cke & ck v il (max), tcc = 70 active standby current in non power-down mode i cc3n cke v ih (min), cs v ih (min), tcc = 10ns input signals are charged one time during 20ns 400 ma i cc3ns cke v ih (min), ck v il (max), tcc = input signals are stable 280 operating current (burst mode) i cc4 io = ma page burst 4 banks activated t ccd = 2clk 1,600 1,360 ma 1 refresh current i cc5 t rc t rc (min) 2,640 2,480 ma 2 self refresh current i cc6 cke 0.2v 60 ma
5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. ordering information part number speed cas latency wed3dg6466v10d2 100mhz cl=2 wed3dg6466v7d2 133mhz cl=2 wed3dg6466v75d2 133mhz cl=3 package dimensions all dimensions are in inches part number speed cas latency wed3dg6366v10d2 100mhz cl=2 wed3dg6366v7d2 133mhz cl=2 wed3dg6366v75d2 133mhz cl=3 note: modules are available in industrial temperature - 40c to 85c. note: wp (write protect) is available on pin 81. ????????? ????????? ???? ???? ??? ? ??? ? ??? ?? ????? ????? ????? ???? ??? ? ??? ??????????? ????????? ????? ???? ???? ????? ?? ?
6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs WED3DG6466V-D2 august, 2002 rev. # 0 final white electronic designs corp. reserves the right to change products or specifcations without notice. revision date requested by details a 4-10-02 paul marien created b 5-51-02 paul marien correct mechanical drawing 0 8-19-02 paul marien change from advanced to final datasheet
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