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w3hg2128m72eer-pd4 january 2007 rev. 1 advanced* 1 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs 2gb ? 2x128mx72 ddr2 sdram, so-rdimm, w/pll description the w3hg2128m72eer is a 2x128mx72 double data rate ddr2 sdram high density module. this memory module consists of eighteen 128mx8 bit 1gb ddr2 synchronous drams in fbga packages, mounted on a 200-pin so-rdimm fr4 substrate. * this product may or may not be under development, not quali ed or characterized and is subject to change or cancellation without notice. note: consult factory for availability of: ? vendor source control options ? industrial temperature option features ? registered 200-pin (so-rdimm), small-outline dual in-line memory module ? support ecc detection and correction ? fast data transfer rates: pc2-6400*, pc2-5300, pc2-4200 and pc2-3200 ? v cc = v ccq = 1.8v 0.1v ? v ccspd = 1.7v to 3.6v ? jedec standard 1.8v i/o (sstl_18-compatible) ? differential data strobe (dqs, dqs#) option ? four-bit prefetch architecture ? multiple internal device banks for concurrent operation ? differential clock inputs (ck, ck#) ? programmable cas# latency (cl): 3, 4, 5, and 6* ? posted cas# additive latency: 0, 1, 2, 3 and 4 ? on-die termination (odt) ? serial presence detect (spd) with eeprom ? 64ms: 8,192 cycle refresh ? gold edge contacts ? dual rank ? rohs compliant ? jedec proposed pin-out ? package ? 200 pin so-rdimm: 30.00mm (1.181") typ. operating frequencies pc2-3200 pc2-4200 pc2-5300 pc2-6400* clock speed 200mhz 266mhz 333mhz 400mhz cl-t rcd -t rp 3-3-3 4-4-4 5-5-5 6-6-6 * consult factory for availability
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 2 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs pin names pin name function a0-a13 address inputs ba0-ba2 sdram bank address dq0-dq63 data input/output cb0-cb7 check bits dqs0-dqs8 data strobes dqs0#-dqs8# data strobes complement dm0-dm8 data-in mask odt0, odt1 on-die termination control ck,ck# clock inputs cke0, cke1 clock enable inputs cs0#, cs1# chip select inputs ras# row address strobe cas# column address strobe we# write enable reset# register reset input v cc power supply v ss ground sa0-sa1 spd address sda serial data input/output scl spd clock input v ref input/output reference voltage v ccspd serial eeprom power supply nc spare pins, no connect pin configuration pin no. symbol pin no. symbol pin no. symbol pin no. symbol 1v ref 51 dq18 101 v cc 151 v ss 2v ss 52 v ss 102 a6 152 v ss 3 dq0 53 dq19 103 a5 153 dqs5# 4 dq4 54 dq28 104 a4 154 dm5 5v ss 55 v ss 105 a3 155 dqs5 6 dq5 56 dq29 106 v cc 156 v ss 7 dq1 57 dq24 107 a2 157 v ss 8v ss 58 v ss 108 a1 158 dq46 9 dqs0# 59 dq25 109 v cc 159 dq42 10 dm0 60 dm3 110 a0 160 dq47 11 dqs0 61 v ss 111 a10/ap 161 dq43 12 v ss 62 v ss 112 ba1 162 v ss 13 v ss 63 dqs3# 113 ba0 163 v ss 14 dq6 64 dq30 114 v cc 164 dq52 15 dq2 65 dqs3 115 ras# 165 dq48 16 dq7 66 dq31 116 we# 166 dq53 17 dq3 67 v ss 117 v cc 167 dq49 18 v ss 68 v ss 118 cs0# 168 v ss 19 v ss 69 dq26 119 cas# 169 v ss 20 dq12 70 cb4 120 odt0 170 dm6 21 dq8 71 dq27 121 cs1# 171 dqs6# 22 dq13 72 cb5 122 a13 172 v ss 23 dq9 73 v ss 123 v cc 173 dqs6 24 v ss 74 v ss 124 v cc 174 dq54 25 v ss 75 cb0 125 odt1 175 v ss 26 dm1 76 dm8 126 ck 176 dq55 27 dqs1# 77 cb1 127 nc 177 dq50 28 v ss 78 v ss 128 ck# 178 v ss 29 dqs1 79 v ss 129 dq32 179 dq51 30 dq14 80 cb6 130 v ss 180 dq60 31 v ss 81 dqs8# 131 v ss 181 v ss 32 dq15 82 cb7 132 dq36 182 dq61 33 dq10 83 dqs8 133 dq33 183 dq56 34 v ss 84 v ss 134 dq37 184 v ss 35 dq11 85 v ss 135 dqs4# 185 dq57 36 dq20 86 cb2 136 v ss 186 dm7 37 v ss 87 cke0 137 dqs4 187 v ss 38 dq21 88 cb3 138 dm4 188 dq62 39 dq16 89 cke1 139 v ss 189 dqs7# 40 v ss 90 v ss 140 v ss 190 v ss 41 dq17 91 nc 141 dq34 191 dqs7 42 reset# 92 ba2 142 dq38 192 dq63 43 v ss 93 v cc 143 dq35 193 dq58 44 dm2 94 nc 144 dq39 194 sda 45 dqs2# 95 a12 145 v ss 195 v ss 46 v ss 96 a11 146 v ss 196 scl 47 dqs2 97 a9 147 dq40 197 dq59 48 dq22 98 v cc 148 dq44 198 sa1 49 v ss 99 a7 149 dq41 199 v cc spd 50 dq23 100 a8 150 dq45 200 sa0
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 3 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs functional block diagram rcs0# dqs0 dqs0# dm0 rdqs dm/ cs# ? dqs dqs# ? dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 dqs1 dqs1# dm1 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 dq32 dq33 dq34 dq35 dq36 dq37 dq38 dq39 dqs5 dqs5# dm5 dq40 dq41 dq42 dq43 dq44 dq45 dq46 dq47 dqs2 dqs2# dm2 dqs6 dqs6# dm6 dq16 dq17 dq18 dq19 dq20 dq21 dq22 dq23 dqs3 dqs3# dm3 dq24 dq25 dq26 dq27 dq28 dq29 dq30 dq31 dq48 dq49 dq50 dq51 dq52 dq53 dq54 dq55 dqs7 dqs7# dm7 dq56 dq57 dq58 dq59 dq60 dq61 dq62 dq63 cb0 cb1 cb2 cb3 cb4 cb5 cb6 cb7 dqs8 dqs8# dm8 dqs4 dqs4# dm4 rcs1# ? pll ck ck# 120 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 ddr2 sdram x 2 register x 2 reset#** ck ck# ?? 1:2 r e g i s t e r rst# cs1# ba0-ba2 a0-a13 ras# cas# we# cke0 cke1 reset# pck pck# rcs1# cs1# : ddr2 sdrams rba0 - rba2 ba0-ba2 : ddr2 sdrams ra0 - ra13 a0-a13 : ddr2 sdrams rras# ras# : ddr2 sdrams rcas# cas# : ddr2 sdrams rwe# we# : ddr2 sdrams rcke0 cke : ddr2 sdrams rcke1 cke : ddr2 sdrams odt0 odt1 rodt0 odt0 : ddr2 sdrams rodt1 odt1 : ddr2 sdrams cs0# rcs0# cs0# : ddr2 sdrams a0 serial pd a1 a2 sa0 sa1 sa2 scl sda wp v ccspd v cc/ v ccq v ref v ss serial pd ddr2 sdrams ddr2 sdrams ddr2 sdrams i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 i/o 0 i/o 1 i/o 2 i/o 3 i/o 4 i/o 5 i/o 6 i/o 7 cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? cs# ? dqs dqs# ? note: all resistor values are 22 ohms 5% unless otherwise speci ed.
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 4 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs absolute maximum ratings symbol parameter min max units v cc voltage on v cc pin relative to v ss -0.5 2.3 v v in , v out voltage on any pin relative to v ss -0.5 2.3 v t stg storage temperature -55 100 c i l input leakage current; any input 0v w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 5 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs input dc logic level all voltages referenced to v ss parameter symbol min max unit input high (logic 1) voltage v ih (dc) v ref + 0.125 v cc + 0.300 v input high (logic 0) voltage v il (dc) -0.300 v ref - 0.125 v input ac logic level all voltages referenced to v ss parameter symbol min max unit ac input high (logic 1) voltage ddr2-400 & ddr2-533 v ih (ac) v ref + 0.250 - v ac input high (logic 1) voltage ddr2-667 v ih (ac) v ref + 0.200 - v ac input high (logic 0) voltage ddr2-400 & ddr2-533 v il (ac) - v ref - 0.250 v ac input high (logic 0) voltage ddr2-667, ddr2-800 v il (ac) - v ref - 0.200 v
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 6 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ddr2 i cc specifications and conditions includes ddr2 sdram components only symbol proposed conditions 806 665 534 403 units i cc0* operating one bank active-precharge current; t ck = t ck (i cc ), t rc = t rc (i cc ), t ras = t ras min(i cc ); cke is high, cs# is high between valid commands; address bus inputs are switching; data bus inputs are switching tbd 945 765 765 ma i cc1* operating one bank active-read-precharge current; i out = 0ma; bl = 4, cl = cl(i cc ), al = 0; t ck = t ck (i cc ), t rc = t rc (i cc ), t ras = t ras min(i cc ), t rcd = t rcd (i cc ); cke is high, cs# is high between valid commands; address bus inputs are switching; data pattern is same as i cc 4w tbd 1,350 900 900 ma i cc2p* precharge power-down current; all banks idle; t ck = t ck (i cc ); cke is low; other control and address bus inputs are stable; data bus inputs are floating tbd 126 90 90 ma i cc2q** precharge quiet standby current; all banks idle; t ck = t ck (i cc ); cke is high, cs# is high; other control and address bus inputs are stable; data bus inputs are floating tbd 1,080 738 630 ma i cc2n** precharge standby current; all banks idle; t ck = t ck (i cc ); cke is high, cs# is high; other control and address bus inputs are switching; data bus inputs are switching tbd 1,170 810 630 ma i cc3p** active power-down current; all banks open; t ck = t ck (i cc ); cke is low; other control and address bus inputs are stable; data bus inputs are floating fast pdn exit mrs(12) = 0 tbd 720 540 450 ma slow pdn exit mrs(12) = 1 tbd 90 80 90 ma i cc3n** active standby current; all banks open; t ck = t ck (i cc ), t ras = t ras max(i cc ), t rp = t rp (i cc ); cke is high, cs# is high between valid commands; other control and address bus inputs are switching; data bus inputs are switching tbd 1,260 900 720 ma i cc4w* operating burst write current; all banks open, continuous burst writes; bl = 4, cl = cl(i cc ), al = 0; t ck = t ck (i cc ), t ras = t ras max(i cc ), t rp = t rp (i cc ); cke is high, cs# is high between valid commands; address bus inputs are switching; data bus inputs are switching tbd 1,665 1,215 1,125 ma i cc4r* operating burst read current; all banks open, continuous burst reads, i out = 0ma; bl = 4, cl = cl(i cc ), al = 0; t ck = t ck (i cc ), t ras = t ras max(i cc ), t rp = t rp (i cc ); cke is high, cs# is high between valid commands; address bus inputs are switching; data pattern is same as i cc 4w tbd 1,890 1,350 1,260 ma i cc5b** burst auto refresh current; t ck = t ck (i cc ); refresh command at every t rfc (i cc ) interval; cke is high, cs# is high between valid commands; other control and address bus inputs are switching; data bus inputs are switching tbd 4,860 4,500 4,320 ma i cc6** self refresh current; ck and ck\ at 0v; cke 0.2v; other control and address bus inputs are floating; data bus inputs are floating normal tbd 126 90 90 ma i cc7* operating bank interleave read current; all bank interleaving reads, i out = 0ma; bl = 4, cl = cl(i cc ), al = t rc d(i cc )-1*t ck (i cc ); t ck = t ck (i cc ), t rc = t rc (i cc ), t rrd = t rrd (i cc ), t rcd = 1*t ck (i cc ); cke is high, cs# is high between valid commands; address bus inputs are stable during deselects; data bus inputs are switching. tbd 3,105 2,700 2,700 ma note: i cc speci cation is based on micron components. other dram manufacturers speci cation may be different. *: value calculated as one module rank in this operating condition, and all other module ranks in i cc2p (cke low) mode. **: value calculated re ects all module ranks in this operating condition.
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 7 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ac timing parameters & specifications ac characteristics 806 665 534 403 parameter symbol min max min max min max min max unit clock clock cycle time cl = 6 t ck (6) tbd tbd ps cl = 5 t ck (5) tbd tbd 3,000 8,000 ps cl = 4 t ck (4) tbd tbd 3,750 8,000 3,750 8,000 5,000 8,000 ps cl = 3 t ck (3) tbd tbd 5,000 8,000 5,000 8,000 5,000 8,000 ps ck high-level width t ch tbd tbd 0.45 0.55 0.45 0.55 0.45 0.55 t ck ck low-level width t cl tbd tbd 0.45 0.55 0.45 0.55 0.45 0.55 t ck half clock period t hp tbd tbd min (t ch, t cl ) min (t ch, t cl ) min (t ch, t cl )ps clock jitter t jit tbd tbd -125 125 -125 125 -125 125 ps data dq output access time from ck/ck# t ac tbd tbd -450 +450 -500 +500 -600 +600 ps data-out high-impedance window from ck/ck# t hz tbd tbd t ac(max) t ac(max) t ac(max) ps data-out low-impedance window from ck/ck# t lz tbd tbd t ac(min) t ac(max) t ac(min) t ac(max) t ac(min) t ac(max) ps dq and dm input setup time relative to dqs t ds a tbd tbd 300 350 400 ps dq and dm input hold time relative to dqs t dh a tbd tbd 300 350 400 ps dq and dm input setup time relative to dqs t ds b tbd tbd 100 100 150 ps dq and dm input hold time relative to dqs t dh b tbd tbd 175 225 275 ps dq and dm input pulse width (for each input) t dipw tbd tbd 0.35 0.35 0.35 t ck data hold skew factor t qhs tbd tbd 340 400 450 ps dq?dqs hold, dqs to rst dq to go nonvalid, per access t qh tbd tbd t hp - t qhs t hp - t qhs t hp - t qhs ps data valid output window (dvw) t dvw tbd tbd t qh - t dqsq t qh - t dqsq t qh - t dqsq ns data strobe dqs input high pulse width t dqsh tbd tbd 0.35 0.35 0.35 t ck dqs input low pulse width t dqsl tbd tbd 0.35 0.35 0.35 t ck dqs output access time from ck/ck# t dqsck tbd tbd -400 +400 -450 +450 -500 +500 ps dqs falling edge to ck rising ? setup time t dss tbd tbd 0.2 0.2 0.2 t ck dqs falling edge from ck rising ? hold time t dsh tbd tbd 0.2 0.2 0.2 t ck dqs?dq skew, dqs to last dq valid, per group, per access t dqsq tbd tbd 240 300 350 ps dqs read preamble t rpre tbd tbd 0.9 1.1 0.9 1.1 0.9 1.1 t ck dqs read postamble t rpst tbd tbd 0.4 0.6 0.4 0.6 0.4 0.6 t ck dqs write preamble setup time t wpres tbd tbd 000ps dqs write preamble t wpre tbd tbd 0.35 0.35 0.35 t ck dqs write postamble t wpst tbd tbd 0.4 0.6 0.4 0.6 0.4 0.6 t ck write command to rst dqs latching transition t dqss tbd tbd wl- 0.25 wl+ 0.25 wl- 0.25 wl+ 0.25 wl- 0.25 wl+ 0.25 t ck note: ac speci cation is based on micron components. other dram manufactures speci cation may be different. continued on next page
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 8 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ac timing parameters (cont'd) ac characteristics symbol 806 665 534 403 parameter min max min max min max min max unit command and address address and control input pulse width for each input t ipw tbd tbd 0.6 0.6 0.6 t ck address and control input setup time t isa tbd tbd 400 500 600 ps address and control input hold time t iha tbd tbd 400 500 600 ps address and control input hold time t isb tbd tbd 200 250 350 ps address and control input hold time t isb tbd tbd 275 375 475 ps cas# to cas# command delay t ccd tbd tbd 222t ck active to active (same bank) command t rc tbd tbd 55 55 55 ns active bank a to active bank b command t rrd tbd tbd 7.5 7.5 7.5 ns active to read or write delay t rcd tbd tbd 15 15 15 ns four bank activate period t faw tbd tbd 37.5 37.5 37.5 ns active to precharge command t ras tbd tbd 40 70,000 40 70,000 40 70,000 ns internal read to precharge command delay t rtp tbd tbd 7.5 7.5 7.5 ns write recovery time t wr tbd tbd 15 15 15 ns auto precharge write recovery + precharge time t dal tbd tbd t wr +t rp t wr +t rp t wr +t rp ns internal write to read command delay t wtr tbd tbd 10 7.5 10 ns precharge command period t rp tbd tbd 15 15 15 ns precharge all command period t rpa tbd tbd t rp +t ck t rp +t ck t rp +t ck ns load mode command cycle time t mrd tbd tbd 222t ck cke low to ck,ck# uncertainty t delay tbd tbd t is +t ck +t ih t is +t ck +t ih t is +t ck +t ih ns self refresh refresh to active of refresh to refresh command interfal t rfc tbd tbd 127.5 70,000 127.5 70,000 127.5 70,000 ns average periodic refresh interval t refi tbd tbd 7.8 7.8 7.8 s exit self refresh to non-read command t xsnr tbd tbd t rfc(min) +10 t rfc(min) +10 t rfc(min) +10 ns exit self refresh to read command t xsrd tbd tbd 200 200 200 t ck exit self refresh timing reference ti sxr tbd tbd t is t is t is ps note: ac speci cation is based on micron components. other dram manufactures speci cation may be different. continued on next page
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 9 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs ac timing parameters (cont'd) ac characteristics symbol 806 665 534 403 parameter min max min max min max min max unit odt odt turn-on delay t aond tbd tbd 222222t ck odt turn-on t aon tbd tbd t ac(min) t ac(max) +700 t ac(min) t ac(max) +1000 t ac(min) t ac(max) +1000 ps odt turn-off delay t aofd tbd tbd 2.5 2.5 2.5 2.5 2.5 2.5 t ck odt turn-off t aof tbd tbd t ac(min) t ac(max) +600 t ac(min) t ac(max) +600 t ac(min) t ac(max) +600 ps odt turn-on (power-down mode) t aonpd tbd tbd t ac(min) +2000 2 x t ck + t ac(min) +1000 t ac(min) +2000 2 x t ck + t ac(min) +1000 t ac(min) +2000 2 x t ck + t ac(min) +1000 ps odt turn-off (power-down mode) t aofpd tbd tbd t ac(min) +2000 2.5 x t ck + t ac(min) +1000 t ac(min) +2000 2.5 x t ck + t ac(min) +1000 t ac(min) +2000 2.5 x t ck + t ac(min) +1000 ps odt to power-down entry latency t anpd tbd tbd 333t ck odt power-down exit latency t axpd tbd tbd 888t ck power-down exit active power-down to read command, mr[bit12=0] t xard tbd tbd 222t ck exit active power-down to read command, mr[bit12=1] t xards tbd tbd 7-al 6-al 6-al t ck a exit precharge power-down to any non- read command. t xp tbd tbd 222t ck cke minimum high/low time t cke tbd tbd 333t ck note: ac speci cation is based on micron components. other dram manufactures speci cation may be different.
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 10 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs 3.8 (0.150) max 1.10 (0.043) 0.90 (0.035) pin 1 67.75 (2.667) 67.45 (2.656) 20.00 (0.787) typ 1.80 (0.071) (2x) 0.60 (0.024) typ 0.45 (0.018) typ pin 199 pin 200 pin 2 2.15 (0.085) 6.00 (0.236) 2.504 (63.60) 2.55 (0.100) 1.00 (0.039) typ typ back view front view (raw card b) 30.00 (1.187) 29.85 (1.175) 47.40 (1.866) typ 11.40 (0.449) typ 4.2 (0.165) typ 4.10(0.161) (2x) 3.90(0.154) package dimensions for pd4 * all dimensions are in millimeters and (inches) tolerances: 0.13 (0.005) unless otherwise speci ed ordering information for pd4 part number speed/data rate frequency cas latency t rcd t rp height* w3hg2128m72eer806pd4xxg** 400mhz/800mb/s 6 6 6 30.00mm (1.181") typ w3hg2128m72eer665pd4xxg 333mhz/667mb/s 5 5 5 30.00mm (1.181") typ w3hg2128m72eer534pd4xxg 266mhz/533mb/s 4 4 4 30.00mm (1.181") typ w3hg2128m72eer403pd4xxg 200mhz/400mb/s 3 3 3 30.00mm (1.181") typ ** consult factory for availability notes: ? for part numbering interpretation, please see "part numbering guide" on page 10.
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 11 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs part numbering guide w 3 h g 2 128m 72 e e r xxx pd4 x x g wedc memory (sdram) ddr 2 gold dual rank depth bus width component width x8 1.8v registered speed (mb/s) package 200 pin so-rdimm (p = jedec proposed pin-out) industrial temp option (for commercial leave "blank" for industrial add "i" -40c to 85c) component vendor name (m = micron) note: consult factory for other vendor options g = rohs compliant
w3hg2128m72eer-pd4 january 2007 rev. 1 advanced 12 white electronic designs corporation ? (602) 437-1520 ? www.whiteedc.com white electronic designs document title 2gb ? 2x128mx72 ddr2 sdram registered, w/pll, so-rdimm dram die options: ? micron: e - die revision history rev # history release date status rev 0 created may 2006 concept rev 1 1.0 moved from concept to advanced january 2007 advanced

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