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document no. e0644e30 (ver. 3.0) date published april 2005 (k) japan printed in japan url: http://www.elpida.com ? elpida memory, inc. 2005 data sheet 1gb registered ddr2 sdram dimm ebe10rd4aefa (128m words 72 bits, 1 rank) description the ebe10rd4aefa is a 128m words 72 bits, 1 rank ddr2 sdram module, mounting 18 pieces of ddr2 sdram sealed in fbga ( bga ? ) package. read and write operations are performed at the cross points of the ck and the /ck. this high-speed data transfer is realized by the 4bits prefetch-pipelined architecture. data strobe (dqs and /dqs) both for read and write are available for high speed and reliable data bus design. by setting extended mode register, the on-chip delay locked loop (dll) can be set enable or disable. this module provides high density mounting without utilizing su rface mount technology. decoupling capacitors are mounted beside each fbga ( bga) on the module board. note: do not push the components or drop the modules in order to avoid mechanical defects, which may result in electrical defects. features ? 240-pin socket type dual in line memory module (dimm) ? pcb height: 30.0mm ? lead pitch: 1.0mm ? lead-free ? power supply: vdd, vddq = 1.8v 0.1v ? data rate: 533mbps /400mbps (max.) ? sstl_18 compatible i/o ? double-data-rate architecture: two data transfers per clock cycle ? bi-directional, data strobe (dqs and /dqs) is transmitted /received with data, to be used in capturing data at the receiver ? dqs is edge aligned with data for reads; center aligned with data for writes ? differential clock inputs (ck and /ck) ? dll aligns dq and dqs transitions with ck transitions ? commands entered on each positive ck edge; data referenced to both edges of dqs ? four internal banks for concurrent operation (components) ? burst length: 4, 8 ? /cas latency (cl): 3, 4, 5 ? auto precharge option for each burst access ? auto refresh and self refresh modes ? average refresh period ? 7.8 s at 0 c tc + 85 c ? 3.9 s at + 85 c < tc + 95 c ? posted cas by programmable additive latency for better command and data bus efficiency ? off-chip-driver impedance ad justment and on-die- termination for better signal quality ? /dqs can be disabled for single-ended data strobe operation ? 1 piece of pll clock driver, 2 pieces of register driver and 1 piece of serial eeprom (2k bits eeprom) for presence detect (pd)
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 2 ordering information part number data rate mbps (max.) component jedec speed bin* 1 (cl-trcd-trp) package contact pad mounted devices EBE10RD4AEFA-5C-E 533 ddr2-533 (4-4-4) ede5104aesk-5c-e ebe10rd4aefa-4a-e 400 ddr2-400 (3-3-3) 240-pin dimm (lead-free) gold ede5104aesk-5c-e ede5104aesk-4a-e note: 1. module /cas latency = component cl + 1 pin configurations 1 pin front side back side 64 pin 65 pin 120 pin 121 pin 184 pin 185 pin 240 pin pin no. pin name pin no. pin name pin no. pin name pin no. pin name 1 vref 61 a4 121 vss 181 vdd 2 vss 62 vdd 122 dq4 182 a3 3 dq0 63 a2 123 dq5 183 a1 4 dq1 64 vdd 124 vss 184 vdd 5 vss 65 vss 125 dqs9 185 ck0 6 /dqs0 66 vss 126 /dqs9 186 /ck0 7 dqs0 67 vdd 127 vss 187 vdd 8 vss 68 nc 128 dq6 188 a0 9 dq2 69 vdd 129 dq7 189 vdd 10 dq3 70 a10 130 vss 190 ba1 11 vss 71 ba0 131 dq12 191 vdd 12 dq8 72 vdd 132 dq13 192 /ras 13 dq9 73 /we 133 vss 193 /cs0 14 vss 74 /cas 134 dqs10 194 vdd 15 /dqs1 75 vdd 135 /dqs10 195 odt0 16 dqs1 76 nc 136 vss 196 a13 17 vss 77 nc 137 nc 197 vdd 18 /reset 78 vdd 138 nc 198 vss 19 nc 79 vss 139 vss 199 dq36 20 vss 80 dq32 140 dq14 200 dq37 21 dq10 81 dq33 141 dq15 201 vss 22 dq11 82 vss 142 vss 202 dqs13 23 vss 83 /dqs4 143 dq20 203 /dqs13 24 dq16 84 dqs4 144 dq21 204 vss 25 dq17 85 vss 145 vss 205 dq38 26 vss 86 dq34 146 dqs11 206 dq39 27 /dqs2 87 dq35 147 /dqs11 207 vss 28 dqs2 88 vss 148 vss 208 dq44
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 3 pin no. pin name pin no. pin name pin no. pin name pin no. pin name 29 vss 89 dq40 149 dq22 209 dq45 30 dq18 90 dq41 150 dq23 210 vss 31 dq19 91 vss 151 vss 211 dqs14 32 vss 92 /dqs5 152 dq28 212 /dqs14 33 dq24 93 dqs5 153 dq29 213 vss 34 dq25 94 vss 154 vss 214 dq46 35 vss 95 dq42 155 dqs12 215 dq47 36 /dqs3 96 dq43 156 /dqs12 216 vss 37 dqs3 97 vss 157 vss 217 dq52 38 vss 98 dq48 158 dq30 218 dq53 39 dq26 99 dq49 159 dq31 219 vss 40 dq27 100 vss 160 vss 220 nc 41 vss 101 sa2 161 cb4 221 nc 42 cb0 102 nc 162 cb5 222 vss 43 cb1 103 vss 163 vss 223 dqs15 44 vss 104 /dqs6 164 dqs17 224 /dqs15 45 /dqs8 105 dqs6 165 /dqs17 225 vss 46 dqs8 106 vss 166 vss 226 dq54 47 vss 107 dq50 167 cb6 227 dq55 48 cb2 108 dq51 168 cb7 228 vss 49 cb3 109 vss 169 vss 229 dq60 50 vss 110 dq56 170 vdd 230 dq61 51 vdd 111 dq57 171 nc 231 vss 52 cke0 112 vss 172 vdd 232 dqs16 53 vdd 113 /dqs7 173 nc 233 /dqs16 54 nc 114 dqs7 174 nc 234 vss 55 nc 115 vss 175 vdd 235 dq62 56 vdd 116 dq58 176 a12 236 dq63 57 a11 117 dq59 177 a9 237 vss 58 a7 118 vss 178 vdd 238 vddspd 59 vdd 119 sda 179 a8 239 sa0 60 a5 120 scl 180 a6 240 sa1
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 4 pin description pin name function a0 to a13 address input row address a0 to a13 column address a0 to a9, a11 a10 (ap) auto precharge ba0, ba1 bank select address dq0 to dq63 data input/output cb0 to cb7 check bit (data input/output) /ras row address strobe command /cas column address strobe command /we write enable /cs0 chip select cke0 clock enable ck0 clock input /ck0 differential clock input dqs0 to dqs17, /dqs0 to /dqs17 input and output data strobe scl clock input for serial pd sda data input/output for serial pd sa0 to sa2 serial address input vdd power for internal circuit vddspd power for serial eeprom vref input reference voltage vss ground odt0 odt control /reset reset pin (forces register and pll inputs low) * 1 nc no connection note: 1. reset pin is connected to both oe of pll and reset to register.
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 5 serial pd matrix* 1 byte no. function described bit7 bit6 bit5 bi t4 bit3 bit2 bit1 bit0 hex value comments 0 number of bytes utilized by module manufacturer 1 0 0 0 0 0 0 0 80h 128 bytes 1 total number of bytes in serial pd device 0 0 0 0 1 0 0 0 08h 256 bytes 2 memory type 0 0 0 0 1 0 0 0 08h ddr2 sdram 3 number of row address 0 0 0 0 1 1 1 0 0eh 14 4 number of column address 0 0 0 0 1 0 1 1 0bh 11 5 number of dimm ranks 0 1 1 0 0 0 0 0 60h 1 6 module data width 0 1 0 0 1 0 0 0 48h 72 7 module data width continuation 0 0 0 0 0 0 0 0 00h 0 8 voltage interface level of this assembly 0 0 0 0 0 1 0 1 05h sstl 1.8v 9 ddr sdram cycle time, cl = 5 -5c 0 0 1 1 1 1 0 1 3dh 3.75ns* 1 -4a 0 1 0 1 0 0 0 0 50h 5.0ns* 1 10 sdram access from clock (tac) -5c 0 1 0 1 0 0 0 0 50h 0.5ns* 1 -4a 0 1 1 0 0 0 0 0 60h 0.6ns* 1 11 dimm configuration type 0 0 0 0 0 0 1 0 02h ecc 12 refresh rate/type 1 0 0 0 0 0 1 0 82h 7.8 = = = =
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 6 byte no. function described bit7 bit6 bit5 bit4 bit3 bit2 bit1 bit0 hex value comments 27 minimum row precharge time (trp) -5c, -4a 0 0 1 1 1 1 0 0 3ch 15ns 28 minimum row active to row active delay (trrd) 0 0 0 1 1 1 1 0 1eh 7.5ns 29 minimum /ras to /cas delay (trcd) -5c, -4a 0 0 1 1 1 1 0 0 3ch 15ns 30 minimum active to precharge time (tras) -5c 0 0 1 0 1 1 0 1 2dh 45ns -4a 0 0 1 0 1 0 0 0 28h 40ns 31 module rank density 0 0 0 0 0 0 0 1 01h 1gb 32 address and command setup time before clock (tis) -5c 0 0 1 0 0 1 0 1 25h 0.25ns* 1 -4a 0 0 1 1 0 1 0 1 35h 0.35ns* 1 33 address and command hold time after clock (tih) -5c 0 0 1 1 1 0 0 0 38h 0.38ns* 1 -4a 0 1 0 0 1 0 0 0 48h 0.48ns* 1 34 data input setup time before clock (tds) -5c 0 0 0 1 0 0 0 0 10h 0.10ns* 1 -4a 0 0 0 1 0 1 0 1 15h 0.15ns* 1 35 data input hold time after clock (tdh) -5c 0 0 1 0 0 0 1 1 23h 0.23ns* 1 -4a 0 0 1 0 1 0 0 0 28h 0.28ns* 1 36 write recovery time (twr) 0 0 1 1 1 1 0 0 3ch 15ns* 1 37 internal write to read command delay (twtr) -5c 0 0 0 1 1 1 1 0 1eh 7.5ns* 1 -4a 0 0 1 0 1 0 0 0 28h 10ns* 1 38 internal read to precharge command delay (trtp) 0 0 0 1 1 1 1 0 1eh 7.5ns* 1 39 memory analysis probe characteristics 0 0 0 0 0 0 0 0 00h tbd 40 extension of byte 41 and 42 0 0 0 0 0 0 0 0 00h undefined 41 active command period (trc) -5c 0 0 1 1 1 1 0 0 3ch 60ns* 1 -4a 0 0 1 1 0 1 1 1 37h 55ns* 1 42 auto refresh to active/ auto refresh command cycle (trfc) 0 1 1 0 1 0 0 1 69h 105ns* 1 43 sdram tck cycle max. (tck max.) 1 0 0 0 0 0 0 0 80h 8ns* 1 44 dout to dqs skew -5c 0 0 0 1 1 1 1 0 1eh 0.30ns* 1 -4a 0 0 1 0 0 0 1 1 23h 0.35ns* 1 45 data hold skew (tqhs) -5c 0 0 1 0 1 0 0 0 28h 0.40ns* 1 -4a 0 0 1 0 1 1 0 1 2dh 0.45ns* 1 46 pll relock time 0 0 0 0 1 1 1 1 0fh 15
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 7 byte no. function described bit7 bit6 bit5 bi t4 bit3 bit2 bit1 bit0 hex value comments 62 spd revision 0 0 0 1 0 0 0 0 10h rev. 1.0 63 checksum for bytes 0 to 62 -5c 0 1 0 0 1 1 0 0 4ch -4a 1 1 0 0 0 1 1 0 c6h 64 to 65 manufacturer?s jedec id code 0 1 1 1 1 1 1 1 7fh continuation code 66 manufacturer?s jedec id code 1 1 1 1 1 1 1 0 feh elpida memory 67 to 71 manufacturer?s jedec id code 0 0 0 0 0 0 0 0 00h 72 manufacturing location
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 8 block diagram dqs dm dq0 to dq3 4 dqs0 r s /cs d0 /rcs0 vss dq8 to dq11 4 dqs1 r s r s r s r s r s r s r s r s /cs* 2 ba0 to ba1 a0 to a13 /ras /cas cke0 /we odt0 /rcs0 -> /cs: sdrams d0 to d17 rba0 to rba1 -> ba0 to ba1: sdrams d0 to d17 ra0 to ra13 -> a0 to a13: sdrams d0 to d17 /rras -> /ras: sdrams d0 to d17 /rcas -> /cas: sdrams d0 to d17 rcke0 -> cke: sdrams d0 to d17 /rwe -> /we: sdrams d0 to d17 rodt0 -> odt0: sdrams d0 to d17 r e g i s t e r /pck7 * 3 /reset* 3 /dqs0 /dqs dqs dm /cs d1 /dqs /dqs1 dq16 to dq19 4 dqs2 r s dqs dm /cs d2 /dqs /dqs2 dq24 to dq27 4 dqs3 r s dqs dm /cs d3 /dqs /dqs3 dq32 to dq35 4 dqs4 r s dqs dm /cs d4 /dqs /dqs4 dq40 to dq43 4 dqs5 r s dqs dm /cs d5 /dqs /dqs5 dq48 to dq51 4 dqs6 r s dqs dm /cs d6 /dqs /dqs6 dq56 to dq59 4 dqs7 r s dqs dm /cs d7 /dqs /dqs7 cb0 to cb3 4 dqs8 r s dq0 to dq3 dqs dm /cs d8 /dqs /dqs8 dqs dm dq4 to /dq7 4 dqs9 r s /cs d9 dq12 to dq15 4 r s /dqs9 /dqs dqs dm /cs d10 /dqs dq20 to dq23 4 r s dqs dm /cs d11 /dqs dq28 to dq31 4 r s dqs dm /cs d12 /dqs dq36 to dq39 4 r s dqs dm /cs d13 /dqs dq44 to dq47 4 r s dqs dm /cs d14 /dqs dq52 to dq55 4 r s dqs dm /cs d15 /dqs dq60 to dq63 4 r s dqs dm /cs d16 /dqs cb4 to cb7 4 r s dqs dm /cs d17 /dqs dqs10 /dqs10 dqs11 /dqs11 dqs12 /dqs12 dqs13 /dqs13 dqs14 /dqs14 dqs15 /dqs15 dqs16 /dqs16 dqs17 /dqs17 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 dq0 to dq3 r s /rst pck7 * 3 notes: 1. dq wring may be changed within a nibble. 2. /cs connects to d/cs of register and /csr of register2. /csr of register1 and d/cs of register2 connects to vdd. 3. /reset, pck7 and /pck7 connect to both registers. other signals to one of two registers. p l l oe ck0 /ck0 /reset pck0 to pck6, pck8, pck9 -> ck: sdrams d0 to d17 /pck0 to /pck6, /pck8, /pck9 -> /ck: sdrams d0 to d17 pck7 -> ck: register /pck7 -> /ck: register d0 to d17: 512m bits ddr2 sdram u0: 2k bits eeprom r s : 22 pll: cu877 register: sstu32864 serial pd sda a0 a1 a2 sa0 sa1 sa2 scl scl u0 sda wp serial pd d0 to d17 d0 to d17 d0 to d17 vddspd vss vref vdd r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s r s
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 9 differential clock net wiring (ck0, /ck0) 120 0ns (nominal) 120 120 ck0 notes: 1. the clock delay from the input of the pll clock to the input of any sdram or register willl be set to 0ns (nominal). 2. input, output and feedback clock lines are terminated from line to line as shown, and not from line to ground. 3. only one pll output is shown per output type. any additional pll outputs will be wired in a similar manner. 4. termination resistors for the pll feedback path clocks are located as close to the input pin of the pll as possible. c /ck0 sdram register 1 register 2 pll feedback in in out1 out'n' feedback out 120 c sdram
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 10 electrical specifications ? + + + + + + = = + ? + + ? + ? ? + ? ? ? ? ? %
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 11 dc characteristics 1 (tc = 0c to +85c, vdd = 1.8v 0.1v, vss = 0v) parameter symbol grade max. unit test condition -5c 2440 operating current (act-pre) idd0 -4a 2120 ma one bank; tck = tck (idd), trc = trc (idd), tras = tras min.(idd); cke is h, /cs is h between valid commands; address bus inputs are switching; data bus inputs are switching -5c 2760 operating current (act-read-pre) idd1 -4a 2430 ma one bank; iout = 0ma; bl = 4, cl = cl(idd), al = 0; tck = tck (idd), trc = trc (idd), tras = tras min.(idd); trcd = trcd (idd); cke is h, /cs is h between valid commands; address bus inputs are switching; data pattern is same as idd4w -5c 700 precharge power-down standby current idd2p -4a 620 ma all banks idle; tck = tck (idd); cke is l; other control and address bus inputs are stable; data bus inputs are floating -5c 970 precharge quiet standby current idd2q -4a 840 ma all banks idle; tck = tck (idd); cke is h, /cs is h; other control and address bus inputs are stable; data bus inputs are floating -5c 1060 idle standby current idd2n -4a 930 ma all banks idle; tck = tck (idd); cke is h, /cs is h; other control and address bus inputs are switching; data bus inputs are switching -5c 1240 idd3p-f -4a 1110 ma fast pdn exit mrs(12) = 0 -5c 970 active power-down standby current idd3p-s -4a 840 ma all banks open; tck = tck (idd); cke is l; other control and address bus inputs are stable; data bus inputs are floating slow pdn exit mrs(12) = 1 -5c 1720 active standby current idd3n -4a 1580 ma all banks open; tck = tck (idd), tras = tras max.(idd), trp = trp (idd); cke is h, /cs is h between valid commands; other control and address bus inputs are switching; data bus inputs are switching -5c 3660 operating current (burst read operating) idd4r -4a 3060 ma all banks open, continuous burst reads, iout = 0ma; bl = 4, cl = cl(idd), al = 0; tck = tck (idd), tras = tras max.(idd), trp = trp (idd); cke is h, /cs is h between valid commands; address bus inputs are switching; data pattern is same as idd4w -5c 3660 operating current (burst write operating) idd4w -4a 3060 ma all banks open, continuous burst writes; bl = 4, cl = cl(idd), al = 0; tck = tck (idd), tras = tras max.(idd), trp = trp (idd); cke is h, /cs is h between valid commands; address bus inputs are switching; data bus inputs are switching
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 12 parameter symbol grade max. unit test condition -5c 5030 auto-refresh current idd5 -4a 4630 ma tck = tck (idd); refresh command at every trfc (idd) interval; cke is h, /cs is h between valid commands; other control and address bus inputs are switching; data bus inputs are switching self-refresh current idd6 150 ma self refresh mode; ck and /ck at 0v; cke ; ; = ; = = = ? ; = = = = ; ; ; ; =
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 13 dc characteristics 2 (tc = 0c to + 85c, vdd, vddq = 1.8v 0.1v) (ddr2 sdram component specification) parameter symbol value unit notes input leakage current ? ? ? ? + ? + ? = ; = = ; = ? = = = = + = + ? + ? + ?
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 14 odt dc electrical characteristics (tc = 0c to +85 = = ; ? ? = ; ? ? = ; ? ? ? ? ? + % _ ? ? = ? = % ? = + = ? ? ? ? = ; = ; ? ? ? = ; = ; ? = =
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 15 ac characteristics (tc = 0c to +85 = = ? ? ? ? ? ? ? + ? + ? + ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 16 -5c ? ? ? ? + + ? + ? ? ? ? ? + ? + ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? + ? ? + < + ? ? + + ? + + ? input waveform timing 1 (tds, tdh) input waveform timing 2 (tis, tih)
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 17 odt ac electrical characteristics (d dr2 sdram component specification) parameter symbol min. max. unit notes odt turn-on delay taond 2 2 tck odt turn-on taon tac(min) tac(max) + + + + + + + + ? ? ? ? = ? ? = = ?
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 18 pin functions ck, /ck (input pin) the ck and the /ck are the master clock inputs. all in puts except dms, dqss and dqs are referred to the cross point of the ck rising edge and the vref level. when a read operation, dqss and dqs are referred to the cross point of the ck and the /ck. when a write operation, dqs are referred to the cross point of the dqs and the vref level. dqss for write operation are referred to the cross point of the ck and the /ck. /cs (input pin) when /cs is low, commands and data can be input. when /cs is high, all inputs are ignored. however, internal operations (bank active, burst operations, etc.) are held. /ras, /cas, and /we (input pins) these pins define operating commands (re ad, write, etc.) depending on the comb inations of their voltage levels. see ?command operation?. a0 to a13 (input pins) row address (ax0 to ax13) is determined by the a0 to the a13 level at the cross point of the ck rising edge and the vref level in a bank active command cycle. column addr ess (ay0 to ay9, ay11) is loaded via the a0 to the a9 and a11 at the cross point of the ck rising edge and the vref level in a read or a write command cycle. this column address becomes the starti ng address of a burst operation. a10 (ap) (input pin) a10 defines the precharge mode when a precharge command, a read command or a write command is issued. if a10 = high when a precharge command is issued, all banks are precharged. if a10 = low when a precharge command is issued, only the bank that is selected by ba1, ba0 is precharged. if a10 = high when read or write command, auto-precharge function is enabled. while a10 = low, auto-precharge function is disabled. ba0, ba1 (input pin) ba0, ba1 are bank select signals (ba). the memory array is divided into bank 0, bank 1, bank 2 and bank 3. (see bank select signal table) [bank select signal table] ba0 ba1 bank 0 l l bank 1 h l bank 2 l h bank 3 h h remark: h: vih. l: vil. cke (input pin) cke controls power down and self-refresh. the powe r down and the self-refresh commands are entered when the cke is driven low and exited when it resumes to high. the cke level must be kept for 1 ck cycle at least, that is , if cke changes at the cross point of the ck rising edge and the vref level with proper setup time tis, at the next ck rising edge cke level must be kept with proper hold time tih. dq, cb (input and output pins) data are input to and output from these pins. dqs (input and output pin) dqs and /dqs provide the read data strobes (as output) and the write data strobes (as input).
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 19 vdd (power supply pins) 1.8v is applied. (vdd is for the internal circuit.) vddspd (power supply pin) 1.8v is applied (f or serial eeprom). vss (power supply pin) ground is connected. /reset(input pin) lvcmos reset input. when /reset is low, all registers are reset. detailed operation part and timing waveforms refer to the ede5104aesk, ede5108aes k datasheet (e0562e). dm pins of component device fixed to vss level on the module board. dimm /cas latency = component cl + 1 for registered type.
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 20 physical outline detail a 0.20 0.15 2.50 0.20 1.00 133.35 (datum -a-) 63.00 55.00 a b 1 120 240 121 full r 0.80 0.05 unit: mm 1.27 0.10 3.00 4.00 min 10.00 4.00 17.80 30.00 4.00 max 0.5 min component area (front) component area (back) 5.00 detail b 3.80 1.50 0.10 2.50 4.00 full r (datum -a-) eca-ts2-0093-01
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 21 caution for handling memory modules when handling or inserting memory modules, be sure not to touch any components on the modules, such as the memory ics, chip capacitors and chip resistors. it is necessary to avoid undue mechanical stress on these components to prevent damaging them. in particular, do not push module cover or drop the modules in order to protect from mechanical defects, which would be electrical defects. when re-packing memory modules, be sure the modules are not touching each other. modules in contact with other modules may cause excessive mechanical stress, which may damage the modules. mde0202 notes for cmos devices 1 precaution against esd for mos devices exposing the mos devices to a strong electric field can cause destruction of the gate oxide and ultimately degrade the mos devices operation. steps must be taken to stop generation of static electricity as much as possible, and quickly dissipate it, when once it has occurred. environmental control must be adequate. when it is dry, humidifier should be used. it is recommended to avoid using insulators that easily build static electricity. mos devices must be stored and transported in an anti-static container, static shielding bag or conductive material. all test and measurement tools including work bench and floor should be grounded. the operator should be grounded using wrist strap. mos devices must not be touched with bare hands. similar precautions need to be taken for pw boards with semiconductor mos devices on it. 2 handling of unused input pins for cmos devices no connection for cmos devices input pins can be a cause of malfunction. if no connection is provided to the input pins, it is possible that an internal input level may be generated due to noise, etc., hence causing malfunction. cmos devices behave differently than bipolar or nmos devices. input levels of cmos devices must be fixed high or low by using a pull-up or pull-down circuitry. each unused pin should be connected to v dd or gnd with a resistor, if it is considered to have a possibility of being an output pin. the unused pins must be handled in accordance with the related specifications. 3 status before initialization of mos devices power-on does not necessarily define initial status of mos devices. production process of mos does not define the initial operation status of the device. immediately after the power source is turned on, the mos devices with reset function have not yet been initialized. hence, power-on does not guarantee output pin levels, i/o settings or contents of registers. mos devices are not initialized until the reset signal is received. reset operation must be executed immediately after power-on for mos devices having reset function. cme0107
ebe10rd4aefa data sheet e0644e30 (ver. 3.0) 22 [product applications] elpida memory, inc. makes every attempt to ensure that its products are of high quality and reliability. however, users are instructed to contact elpida memory's sales office before using the product in aerospace, aeronautics, nuclear power, combustion control, transportation, traffic, safety equipment, medical equipment for life support, or other such application in which especially high quality and reliability is demanded or where its failure or malfunction may directly threaten human life or cause risk of bodily injury. [product usage] design your application so that the product is used within the ranges and conditions guaranteed by elpida memory, inc., including the maximum ratings, operating supply voltage range, heat radiation characteristics, installation conditions and other related characteristics. elpida memory, inc. bears no responsibility for failure or damage when the product is used beyond the guaranteed ranges and conditions. even within the guaranteed ranges and conditions, consider normally foreseeable failure rates or failure modes in semiconductor devices and employ systemic measures such as fail-safes, so that the equipment incorporating elpida memory, inc. products does not cause bodily injury, fire or other consequential damage due to the operation of the elpida memory, inc. product. [usage environment] this product is not designed to be resistant to electromagnetic waves or radiation. this product must be used in a non-condensing environment. if you export the products or technology described in this document that are controlled by the foreign exchange and foreign trade law of japan, you must follow the necessary procedures in accordance with the relevant laws and regulations of japan. also, if you export products/technology controlled by u.s. export control regulations, or another country's export control laws or regulations, you must follow the necessary procedures in accordance with such laws or regulations. if these products/technology are sold, leased, or transferred to a third party, or a third party is granted license to use these products, that third party must be made aware that they are responsible for compliance with the relevant laws and regulations. the information in this document is subject to change without notice. before using this document, confirm that this is the late st version.

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