1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 advanced* 128mb- 16mx64 sdram unbuffered n pc100 and pc133 compatible 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 144 pin so-dimm jedec the wed3dg6418v is a 16mx64 synchronous dram module which consists of eight 16mx8 sdram components in tsop ii package, and one 2kb eeprom in an 8 pin tssop package for serial presence detect which are mounted on a 144 pin so-dimm multilayer fr4 substrate. * this product is under development, is not qualifed or characterized and is subject to change or cancellation without notice. description features ** these pins should be nc in the system which does not support spd. pin configurations (front side/back side) pin names a0 C a11 address input (multiplexed) ba0-1 select bank dq0-63 data input/output clk0, ck1 clock input cke0 clock enable input cs0# chip select input ras# row address strobe cas# column address strobe we# write enable dqm0-7 dqm v cc power supply (3.3v) v ss ground sda serial data i/o scl serial clock dnu do not use nc no connect pinout pin front pin back pin front pin back pin back pin back 1 v ss 2 v ss 51 dq14 52 dq46 95 dq21 96 dq53 3 dq0 4 dq32 53 dq15 54 dq47 97 dq22 98 dq54 5 dq1 6 dq33 55 v ss 56 v ss 99 dq23 100 dq55 7 dq2 8 dq34 57 nc 58 nc 101 v cc 102 v cc 9 dq3 10 dq35 59 nc 60 nc 103 a6 104 a7 11 v cc 12 v cc 105 a8 106 ba0 13 dq4 14 dq36 107 v ss 108 v ss 15 dq5 16 dq37 109 a9 110 ba1 17 dq6 18 dq38 61 clk0 62 cke0 111 a10/ap 112 a11 19 dq7 20 dq39 63 v cc 64 v cc 113 v cc 114 v cc 21 v ss 22 v ss 65 ras# 66 cas# 115 dqm2 116 dqm6 23 dqm0 24 dqm4 67 we# 68 nc 117 dqm3 118 dqm7 25 dqm1 26 dqm5 69 cs0# 70 nc 119 v ss 120 v ss 27 v cc 28 v cc 71 nc 72 nc 121 dq24 122 dq56 29 a0 30 a3 73 dnu 74 ck1 123 dq25 124 dq57 31 a1 32 a4 75 v ss 76 v ss 125 dq26 126 dq58 33 a2 34 a5 77 nc 78 nc 127 dq27 128 dq59 35 v ss 36 v ss 79 nc 80 nc 129 v cc 130 v cc 37 dq8 38 dq40 81 v cc 82 v cc 131 dq28 132 dq60 39 dq9 40 dq41 83 dq16 84 dq48 133 dq29 134 dq61 41 dq10 42 dq42 85 dq17 86 dq49 135 dq30 136 dq62 43 dq11 44 dq43 87 dq18 88 dq50 137 dq31 138 dq63 45 v cc 46 v cc 89 dq19 90 dq51 139 v ss 140 v ss 47 dq12 48 dq44 91 v ss 92 v ss 141 **sda 142 **scl 49 dq13 50 dq45 93 dq20 94 dq52 143 v cc 144 v cc voltage key
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 advanced advanced functional block diagram ????? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ??? ?? ?? ?? ?? ?? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ??? ? ?? ?? ?? ? ????? ????? ????? ????? ????? ????? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ???? ? ??? ??? ??? ??? ??? ??? ??? ??? ?? ?? ?? ??? ??? ????????? ???? ????? ???? ????? ???? ???? ??????????? ??????????? ??????????? ???? ? ? ????? ????? ?????? ????? ????? ????????????? ????????????? ????????????? ??????? ?????? ?????????????????? ?????????????????? ? ????? ????? ? ?? ? ?? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ??? ?? ? ?? ? ??? ?? ? ???
2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 advanced advanced 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 cc supply relative to v ss v cc , v ccq -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. parameter symbol min typ max unit note supply voltage v cc 3.0 3.3 3.6 v input high voltage v ih 2.0 3.0 v ccq+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 ccq 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 cc = 3.3v, v ref =1.4v 200mv) parameter symbol max unit input capacitance (a0-a12) c in1 45 pf input capacitance (ras#,cas#,we#) c in2 45 pf input capacitance (cke0) c in3 25 pf input capacitance (clk0, ck1) c in4 21 pf input capacitance (cs0#) c in5 25 pf input capacitance (dqm0-dqm7) c in6 12 pf input capacitance (ba0-ba1) c in7 45 pf data input/output capacitance (dq0-dq63) cou t 12 pf recommended dc operating conditions (voltage referenced to: v ss = 0v, t a 0c +70c)
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 advanced advanced operating current characteristics (v cc = 3.3v, t a = 0c +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 ccq /v ssq ) version parameter symbol conditions 133 100 units note operating current (one bank active) i cc1 burst length = 1 t rc t rc (min) i ol = 0ma 960 800 ma 1 precharge standby current in power down mode i cc2p cke v il (max), t cc = 10ns 20 ma i cc2ps cke & clk v il (max), t cc = 20 precharge standby current in non-power down mode i cc2n cke v ih (min), cs v ih (min), tcc =10ns input signals are charged one time during 20 160 ma i cc2ns cke v ih (min), clk v il (max), t cc = input signals are stable 80 active standby current in power-down mode i cc3p cke v il (max), t cc = 10ns 50 ma i cc3ps cke & clk v il (max), t cc = 50 active standby current in non-power down mode i cc3n cke v ih (min), cs v ih (min), tcc = 10ns input signals are changed one time during 20ns 240 ma i cc3ns cke v ih (min), clk v il (max), tcc = input signals are stable 200 ma operating current (burst mode) i cc4 io = ma page burst 4 banks activated t ccd = 2clk 1040 880 ma 1 refresh current i cc5 t rc t rc (min) 1760 1520 ma 2 self refresh current i cc6 cke 0.2v 20 ma
4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs june 2003 rev. 3 white electronic designs corp. reserves the right to change products or specifcations without notice. WED3DG6418V-D1 advanced advanced all dimensions are in inches package dimensions ???? ????????? ????????? ????? ???? ???? ???? ? ???? ???? ????? ??? ???? ???? ???? ???? ???? ?????? ???? ???? ?? ???????????? note: for industrial temperature range product, add an "i" to the end of the part number . ordering information speed cas latency wed3dg6418v10d1 100mhz cl=2 wed3dg6418v7d1 133mhz cl=2 wed3dg6418v75d1 133mhz cl=3
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