1 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary* 128mb - 16mx64, sdram unbuffered description the w3dg6418v is a 16mx64 synchronous dram module which consists of eight 16mx8 sdram com po nents 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 mul ti lay er fr4 substrate. * this product is under development, is not quali? ed or characterized and is subject to change without notice. note: consult factory for availability of: ? rohs compliant products ? vendor source control options ? industrial temperature option features pc100 and pc133 compatible burst mode operation auto and self refresh capability lvttl compatible inputs and outputs serial presence detect with eeprom fully synchronous: all signals are registered on the positive edge of the system clock programmable burst lengths: 1, 2, 4, 8 or full page 3.3v 0.3v power supply 168 pin dimm jedec ? d2: 30.48mm (1.20") pin configurations (front side/back side) pin names ** these pins should be nc in the system which does not support spd. *** wp available on the wed3dg6318v-d2. a0 - a11 address input (multiplexed) ba0-1 select bank dq0-63 data input/output clk0, clk1, clk2, clk3 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 cc 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 1v 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 cc 87 dq33 115 ras# 143 v cc 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 6v cc 34 a2 62 v ref *90 v cc 118 a3 146 v ref * 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 cc 68 v ss 96 v ss 124 v cc 152 v ss 13 dq9 41 v cc 69 dq24 97 dq41 125 clk1 153 dq56 14 dq10 42 clk0 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 cc 101 dq45 129 cs3#* 157 v cc 18 v cc 46 dqm2 74 dq28 102 v cc 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 cb0* 49 v cc 77 dq31 105 cb4* 133 v cc 161 dq63 22 cb1* 50 nc 78 v ss 106 cb5* 134 nc 162 v ss 23 vss 51 nc 79 clk2 107 v ss 135 nc 163 clk3 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 cc 54 v ss 82 sda** 110 v cc 138 v ss 166 sa1** 27 we# 55 dq16 83 scl** 111 cas# 139 dq48 167 sa2** 28 dqm0 56 dq17 84 v cc 112 dqm4 140 dq49 168 v cc
2 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary functional block diagram dqm1 dqm5 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dqm0 cs0# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq32 dq33 dq34 dq35 dq36 dq37 dq38 dq39 dqm4 cs0# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dqm1 cs0# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq40 dq41 dq42 dq43 dq44 dq45 dq46 dq47 dqm5 cs0# dqm0 cs0# dqm4 dqm3 dqm2 dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq16 dq17 dq18 dq19 dq20 dq21 dq22 dq23 dqm2 cs2# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq24 dq25 dq26 dq27 dq28 dq29 dq30 dq31 dqm3 cs2# cs2# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq48 dq49 dq50 dq51 dq52 dq53 dq54 dq55 dqm6 cs2# dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq56 dq57 dq58 dq59 dq60 dq61 dq62 dq63 dqm7 cs2# dqm6 dqm7 v cc vss one 0.1uf capacitors per each sdram to all sdrams a0 ~ a11, ba0 & 1 cke0 ras# cas# we# sdram sdram sdram sdram sdram 10? dqn every dqpin of sdram sda scl a1 a2 a0 sa1 sa2 sa0 wp wp
3 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary 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 tstg -55 ~ +150 c power dissipation pd 8 w short circuit current ios 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 affect device reliability. recommended dc operating conditions voltage referenced to: v ss = 0v, 0c t a +70c 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 ioh= -2ma output low voltage v ol 0.4 v iol= -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 cc input leakage currents include hi-z output leakage for all bi-directional buffers with tri-state outputs. capacitance t a = 25c, f = 1mhz, v cc = 3.3v, v ref =1.4v 200mv parameter symbol max unit input capacitance (a0-a11) c in1 35.5 pf input capacitance (ras#,cas#,we#) c in2 35.5 pf input capacitance (cke0) c in3 35.5 pf input capacitance (clk0-clk3) c in4 10 pf input capacitance (cs0#, cs2#) c in5 20 pf input capacitance (dqm0-dqm7) c in6 7pf input capacitance (ba0-ba1) c in7 35.5 pf data input/output capacitance (dq0-dq63) c out 15 pf
4 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary operating current characteristics v cc = 3.3v, 0c t a 70c parameters symbol conditions versions units note 133 100 operating current (one bank active) i cc1 burst length = 1 t rc t rc (min) i ol = 0ma 720 720 ma 1 precharge standby current in power down mode i cc2p cke v il (max), t cc = 10ns 16 ma i cc2ps cke & ck v il (max), t cc = 16 ma precharge standby current in non-power down mode i cc2n cke v ih (min), cs v ih (min), t cc =10ns input signals are charged one time during 20 160 ma i cc2ns cke v ih (min), ck v il (max), t cc = input signals are stable 80 ma active standby current in power- down mode i cc3p cke v il (max), t cc = 10ns 40 ma i cc3ps cke & ck v il (max), t cc = 40 active standby in current non power-down mode i cc3n cke v ih (min), cs v ih (min), t cc = 10ns input signals are charged one time during 20ns 240 ma i cc3ns cke v ih (min), ck v il (max), t cc = input signals are stable 200 ma operating current (burst mode) i cc4 io = ma page burst 4 banks activated t ccd = 2ck 880 880 ma 1 refresh current i cc5 t rc t rc (min) 1600 1600 ma 2 self refresh current i cc6 cke 0.2v 16 ma notes: 1. measured with outputs open. 2. refresh period is 64ms.
5 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary ordering information part number clock speed cas latency height* w3dg6418v10d2xx 100mhz cl=2 30.48 (1.20") w3dg6418v7d2xx 133mhz cl=2 30.48 (1.20") W3DG6418V75D2XX 133mhz cl=3 30.48 (1.20") package dimensions part number clock speed cas latency height* w3dg6318v10d2xx 100mhz cl=2 30.48 (1.20") w3dg6318v7d2xx 133mhz cl=2 30.48 (1.20") w3dg6318v75d2xx 133mhz cl=3 30.48 (1.20") note: wp (write protect) is available on pin 81. 3.99 (0.157) (2x) 8.89 (0.350) 6.35 (0.250) p1 11.43 (0.450) 3.18 (0.125) (2x) 133.48 (5.255 max.) 115.57 (4.550) 6.35 (0.250) 54.61 (2.150) 1.27 0.10 (0.050 0.004) 3.99 (0.157) min. 3.05 (0.120) max. 30.48 (1.200) max. 17.78 (0.700) 42.16 (1.660) 36.83 (1.450) * all dimensions are in millimeters and (inches). ordering information clock speed cas latency height* w3dg6418v10d2i-xx 100mhz cl=2 30.48 (1.20") w3dg6418v7d2i-xx 133mhz cl=2 30.48 (1.20") w3dg6418v75d2i-xx 133mhz cl=3 30.48 (1.20") industrial temperature
6 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary part numbering guide wedc memory sdram gold depth & bus width wp (white protect) available on pin 81 3.3 volts clock speed (mhz) 10 = 100mhz @ cl = 2 7 = 133mhz @ cl = 2 75 = 133mhz @ cl = 3 package 144 pin so-dimm industrial temp component vendor name (m = micron) (s = samsung) g = rohs compliant wd 3 d g 6418 6318 v xx d1 i- x g
7 white electronic designs corporation ? (602) 437-1520 ? www.wedc.com white electronic designs w3dg6418v-d2 march 2006 rev. 1 preliminary document title 128mb - 16mx64 sdram unbuffered revision history rev # history release date status rev a created 12-6-01 advanced rev b add "part number" to order info table on page 6 2-13-02 advanced rev c c.1 added "wp" to pin 81 on pages 1, 3 & 6 c.2 changed packate drawing on page 67 4-24-02 advanced rev d corrected mechanical drawing 5-21-02 advanced rev 0 0.1 updated cap & i dd specs 0.2 removed "ed" from part number 0.3 changed status from advanced to preliminary 6-04 preliminary rev 1 1.0 added new notes for ? rohs compliant option ? vendor source control ? industrial temp option 1.1 added new part number guide 1.2 added industrial ordering info 3-06 preliminary
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