1 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 256mb- 32mx72 sdram w/ pll, register and spd ? 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 ? 3.3 volt 6 0.3v power supply ? 168- pin dimm jedec the wed3dg7233v is a 32mx72 synchronous dram module which consists of eighteen 32mx4 sdram components in tsop- 11 package, two 18- bit drive ics for input control signal 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. description features pin configurations (front side/back side) pin names pin front pin front pin front pin back pin back pin back 1 vss 29 dqm1 57 dq18 85 vss 113 dqm5 141 dq50 2 dq0 30 cs0 58 dq19 86 dq32 114 cs1 142 dq51 3 dq1 31 dnu 59 vdd 87 dq33 115 ras 143 vdd 4 dq2 32 vss 60 dq20 88 dq34 116 vss 144 dq52 5 dq3 33 a0 61 nc 89 dq35 117 a1 145 nc 6 vdd 34 a2 62 *vref 90 vdd 118 a3 146 *vref 7 dq4 35 a4 63 *cke1 91 dq36 119 a5 147 rege 8 dq5 36 a6 64 vss 92 dq37 120 a7 148 vss 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 vss 40 vdd 68 vss 96 vss 124 vdd 152 vss 13 dq9 41 vdd 69 dq24 97 dq41 125 *clk1 153 dq56 14 dq10 42 clk0 70 dq25 98 dq42 126 a12 154 dq57 15 dq11 43 vss 71 dq26 99 dq43 127 vss 155 dq58 16 dq12 44 dnu 72 dq27 100 dq44 128 cke0 156 dq59 17 dq13 45 cs2 73 vdd 101 dq45 129 cs3 157 vdd 18 vdd 46 dqm2 74 dq28 102 vdd 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 vdd 77 dq31 105 cb4 133 vdd 161 dq63 22 cb1 50 nc 78 vss 106 cb5 134 nc 162 vss 23 vss 51 nc 79 *clk2 107 vss 135 nc 163 *clk3 24 nc 52 cb2 80 nc 108 nc 136 cb6 164 nc 25 nc 53 cb3 81 nc 109 nc 137 cb7 165 **sa0 26 vdd 54 vss 82 **sda 110 vdd 138 vss 166 **sa1 27 we 55 dq16 83 **scl 111 cas 139 dq48 167 **sa2 28 dqm0 56 dq17 84 vdd 112 dqm4 140 dq49 168 vdd a0 ? a12 address input (multiplexed) ba0-1 select bank dq0-63 data input/output cb0-7 check bit (data-in/data-out) clk0 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 vdd power supply (3.3v) vss ground *vref power supply for reference rege register enable sda serial data i/o scl serial clock sa0-2 address in eeprom dnu do not use nc no connect * these pins are not used in this module. ** these pins should be nc in the system which does not support spd. * this datasheet describes a product that may or may not be under development and is subject to change or cancellation without notice.
2 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 functional block diagram rege pck dq0 dq1 dq2 dq3 dq4 dq5 dq6 dq7 dq8 dq9 dq10 dq11 dq12 dq13 dq14 dq15 0 i/o dqm cs 1 i/o 2 i/o 3 i/o d0 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 cs0 d1 d2 d3 dqmb0 dq32 dq33 dq34 dq35 dq36 dq37 dq38 dq39 dq40 dq41 dq42 dq43 dq44 dq45 dq46 dq47 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d9 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d10 d11 d12 dqmb4 dqmb1 dqmb5 dq16 dq17 dq18 dq19 dq20 dq21 dq22 dq23 dq24 dq25 dq26 dq27 dq28 dq29 dq30 dq31 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d5 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d6 d7 d8 dqmb2 dq48 dq49 dq50 dq51 dq52 dq53 dq54 dq55 dq56 dq57 dq58 dq59 dq60 dq61 dq62 dq63 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d14 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d15 d16 d17 dqmb6 dqmb3 dqmb7 vcc vss d0 - d35 d0 - d35 cb0 cb1 cb2 cb3 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d4 cb4 cb5 cb6 cb7 dqm cs i/o 0 i/o 1 i/o 2 i/o 3 d13 # note: all resistor values are 10 ohms. note: dq wiring may differ than described in this drawing, however dq/dqmb/cke/s relationships must be maintained as shown. ras: sdrams d0 - d35 cas: sdrams d0 - d35 cke: sdrams d0 - d17 we: sdrams d0 - d35 cs0-cs2 dqmb0 to dqmb7 ba0-ba1 a0-a12 ras cas cke0 we rs0-rs2 rdqmb0 - rdqmb7 rras rcas rcke0 rwe cs2 rba0 - rban ra0-ran ba0-ban: sdrams d0-d35 a0-an: sdrams d0-d35 a0 serial pd a1 a2 sa0 sa1 sa2 scl sda e g i s t e r r ck1-ck3 pll pll 12pf 12pf ck0 sdram register 12pf 12pf
3 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 (voltage referenced to: v ss = 0v, t a = 0c to +70c) absolute maximum ratings parameter symbol value units voltage on any pin relative to vss v in , vout -1.0 ~ 4.6 v voltage on vdd supply relative to vss vdd, vddq -1.0 ~ 4.6 v storage temperature tstg -55 ~ +150 c power dissipation pd 18 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 parameter symbol min ty p max unit note supply voltage vdd 3.0 3.3 3.6 v input high voltage vih 2.0 3.0 vddq+0.3 v 1 input low voltage vil -0.3 ? 0.8 v 2 output high voltage voh 2.4 ? ? v ioh= -2ma output low voltage vol ? ? 0.4 v iol= -2ma input leakage current ili -10 ? 10 a 3 note: 1. vih (max)= 5.6v ac. the overshoot voltage duration is 3ns. 2. vil (min)= -2.0v ac. the undershoot voltage duration is 3ns. 3. any input 0v vin vddq input leakage currents include hi-z output leakage for all bi-directional buffers with tri-state outputs. capacitance (t a = 23c, f = 1mhz, v dd = 3.3v, vref=1.4v 6 200mv) parameter symbol min max unit input capacitance (a0-a12) cin1 - 15 pf input capacitance (ras,cas,we) cin2 - 15 pf input capacitance (cke0) cin3 - 15 pf input capacitance (clk0) cin4 - 20 pf input capacitance (cs0,cs2) cin5 - 15 pf input capacitance (dqm0-dqm7) cin6 - 15 pf input capacitance (ba0-ba1) cin7 - 15 pf data input/output capacitance (dq0-dq63) cout - 22 pf data input/output capacitance (cb0-cb7) cout1 - 22 pf
4 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 operating current characteristics (v cc = 3.3v, t a = 0c to +70c) notes: 1. measured with outputs open. 2. refresh period is 64ms. 3. measured with 1 pll & 2 drive ics. version parameter symbol conditions 133 100 units note operating current icc1 burst length = 1 2,300 2,120 ma 1 (one bank active) trc trc(min) iol = 0ma precharge standby current icc2p cke vil(max), tcc = 10ns 390 ma 3 in power down mode icc2ps cke & clk vil(max), tcc = 40 icc2n cke vih(min), cs vih(min), tcc = 10ns precharge standby current input signals are charged one time during 20 710 in non-power down mode icc2ns cke vih(min), clk vil(max), tcc = ma 3 input signals are stable 185 active standby current in icc3p cke vil(max), tcc = 10ns 440 ma 3 power-down mode icc3ps cke & clk vil(max), tcc = 100 icc3n cke vih(min), cs vih(min), tcc = 10ns active standby current in input signals are changed one time during 20ns 890 ma 3 non power-down mode icc3ns cke vih(min), clk vil(max), tcc = input signals are stable 455 ma 3 io = ma operating current (bur st mode) icc4 page burst 2,480 2,300 ma 1 4 banks activated tccd = 2clk refresh current icc5 trc trc(min) 4,460 2,300 ma 2 self refresh current icc6 cke 0.2v 309 ma 3
5 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 all dimensions are in inches package dimensions ordering information part number speed cas latency wed3dg7233v10d2 100mhz cl=2 wed3dg7233v7d2 133mhz cl=2 wed3dg7233v75d2 133mhz cl=3 p1 5.255 max. see note 1 .125 (2x) .700 2.150 .250 4.550 1.661 1.450 .250 .614 .450 .157 (2x) 1.470 max. .157 min. .150 max. .050 +/ .004 measured after plating over fingers.
6 white electronic designs corporation ? (508) 366-5151 ? www.whiteedc.com jan. 2004 rev. 1 eco #15460 WED3DG7233V-D2 rev. date requested by details a 3-25-02 paul marien created 0 9-19-02 paul marien -changed from advanced to final 1 1-22-04 george solymosi -changed mechanical package dimensions
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