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White Electronic Designs WV3HG64M32EEU-D4 ADVANCED* 256MB - 64Mx32 DDR2 SDRAM UNBUFFERED FEATURES 200-pin, Small-Outline DIMM (SO-DIMM) Fast data transfer rates: PC2-5300*, PC2-4200 and PC2-3200 Utilizes 667*, 533 and 400 Mb/s DDR2 SDRAM components VCC = 1.8V 0.1V VCCSPD = 1.7V to 3.6V JEDEC standard 1.8V I/O (SSTL_18-compatible) Differential data strobe (DQS, DQS#) option Four-bit prefetch architecture DLL to align DQ and DQS transitions with CK Multiple internal device banks for concurrent operation Supports duplicate output strobe (RDQS/RDQS#) Programmable CAS# latency (CL): 3, 4, and 5 Programmable burst: length (4, 8) Adjustable data-output drive strength On-die termination (ODT) Serial Presence Detect (SPD) with EEPROM Auto & self refresh (64ms: 8,192 cycle refresh) Row Addr: A0~A13, Column Addr: A0~A9, Bank Addr: BA0~BA1 Gold edge contacts RoHS Compliant JEDEC Package option * 200 Pin (SO-DIMM) * PCB - 30.00mm (1.181") TYP. NOTE: Consult factory for availability of: * Vendor source control options * Industrial temperature option DESCRIPTION The WV3HG64M32EEU is a 64Mx32 Double Data Rate 2 SDRAM memory module based on 512Mb DDR2 SDRAM components. The module consists of four 64Mx8, in FBGA package mounted on a 200 pin SO-DIMM FR4 substrate. * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. OPERATING FREQUENCIES PC2-5300* Clock Speed CL-tRCD-tRP Note: * Consult factory for availability PC2-4200 266MHz 4-4-4 PC2-3200 200MHz 3-3-3 333MHz 5-5-5 May 2006 Rev. 2 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs PIN CONFIGURATION PIN# SYMBOL PIN# SYMBOL PIN# SYMBOL PIN# SYMBOL 51 DQS2 101 A1 151 NC 1 VREF 2 VSS 52 DM2 102 A0 152 NC 53 VSS 103 153 NC 3 VSS VCC 4 DQ4 54 VSS 104 154 NC VCC 5 DQ0 55 DQ18 105 A10/AP 155 VSS 6 DQ5 56 DQ22 106 BA1 156 VSS 7 DQ1 57 DQ19 107 BA0 157 NC 8 VSS 58 DQ23 108 RAS# 158 NC 9 VSS 59 VSS 109 WE# 159 NC 10 DM0 60 VSS 110 CS0# 160 NC 11 DQS0# 61 DQ24 111 161 VSS VCC 12 VSS 62 DQ28 112 162 VSS VCC 13 DQS0 63 DQ25 113 CAS# 163 NC 14 DQ6 64 DQ29 114 ODT0 164 NC 65 VSS 115 NC 165 VSS 15 VSS 16 DQ7 66 VSS 116 A13 166 NC 17 DQ2 67 DM3 117 167 NC VCC 18 VSS 68 DQS3# 118 168 VSS VCC 19 DQ3 69 NC 119 NC 169 NC 20 DQ12 70 DQS3 120 NC 170 NC 21 VSS 71 VSS 121 VSS 171 VSS 22 DQ13 72 VSS 122 VSS 172 VSS 23 DQ8 73 DQ26 123 NC 173 NC 74 DQ30 124 NC 174 NC 24 VSS 25 DQ9 75 DQ27 125 NC 175 NC 26 DM1 76 DQ31 126 NC 176 NC 27 VSS 77 VSS 127 VSS 177 VSS 28 VSS 78 VSS 128 VSS 178 VSS 29 DQS1# 79 CKE0 129 NC 179 NC 30 CK0 80 NC 130 NC 180 NC 31 DQS1 81 131 NC 181 NC VCC 32 CK0# 82 132 VSS 182 NC VCC 83 NC 133 VSS 183 VSS 33 VSS 34 VSS 84 NC 134 NC 184 VSS 35 DQ10 85 NC 135 NC 185 NC 36 DQ14 86 NC 136 NC 186 NC 137 NC 187 VSS 37 DQ11 87 VCC 38 DQ15 88 138 VSS 188 NC VCC 39 VSS 89 A12 139 VSS 189 NC 40 VSS 90 A11 140 NC 190 VSS 41 VSS 91 A9 141 NC 191 NC 42 VSS 92 A7 142 NC 192 NC 43 DQ16 93 A8 143 NC 193 VSS 44 DQ20 94 A6 144 VSS 194 NC 45 DQ17 95 145 VSS 195 SDA VCC 46 DQ21 96 146 NC 196 VSS VCC 47 VSS 97 A5 147 NC 197 SCL 48 VSS 98 A4 148 NC 198 SA0 49 DQS2# 99 A3 149 VSS 199 VCCSPD 50 NC 100 A2 150 VSS 200 SA1 WV3HG64M32EEU-D4 ADVANCED PIN NAMES SYMBOL A0-A13 ODT0 CK0, CK0# CKE0 CS0# RAS#, CAS#, WE# BA0, BA1 DM0-DM3 A10/AP DQ0-DQ31 DQS0-DQS3 DQS0#-DQS3# SCL SA0-SA1 SDA VCC VREF VSS VCCSPD NC DESCRIPTION Address input On-Die Termination Differential Clock Inputs Clock Enable input Chip select Command Inputs Bank Address Inputs Input Data Mask Address input/Auto precharge Data Input/Output Data Strobe Serial Clock for Presence Detect Presence Detect Address Inputs Serial Presence Detect Data Power Supply: +1.8V 0.1V SSTL_18 reference voltage Ground Serial EEPROM Positive Power Supply No Connect May 2006 Rev. 2 2 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FUNCTIONAL BLOCK DIAGRAM 3 WV3HG64M32EEU-D4 ADVANCED CS0# DQS0# DQS0 DM0 DM CS#DQS DQS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ DQ DQ DQ DQ DQ DQ DQ DQS1# DQS1 DM1 DM CS# DQS DQS# DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ DQ DQ DQ DQ DQ DQ DQ DQS2# DQS2 DM2 DM CS# DQS DQS# DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQ DQ DQ DQ DQ DQ DQ DQ DQS3# DQS3 DM3 DM CS# DQS DQS# DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DQ DQ DQ DQ DQ DQ DQ DQ 3 SCL Serial PD WP A0 A1 A2 SA0 SA1 BA0-BA1 A0-A13 RAS# CAS# WE# CKE0 ODT0 BA0-BA1: DDR2 SDRAMs A0-A13: DDR2 SDRAMs DDR2 SDRAMs RAS#: CAS#: DDR2 SDRAMs WE#: DDR2 SDRAMs CKE0: DDR2 SDRAMs ODT0: DDR2 SDRAMs SDA VCCSPD VCC VREF Serial PD DDR2 SDRAMs DDR2 SDRAMs DDR2 SDRAMs CK0 CK0# 100 DDR2 SDRAMs DDR2 SDRAMs NOTE: All resistor value, are 22 ohms 5% unless otherwise specified. VSS May 2006 Rev. 2 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ABSOLUTE MAXIMUM RATINGS Symbol VCC VIN, VOUT TSTG IL Parameter Voltage on VCC pin relative to VSS Voltage on any pin relative to VSS Storage Temperature Input leakage current; Any input 0V ADVANCED Min -0.5 -0.5 -55 Command/Address, RAS#, CAS#, WE# CS#, CKE CK, CK# DM -20 -20 -20 -5 -5 -8 Max 2.3 2.3 100 20 20 20 5 5 8 Units V V C A A A A A A IOZ IVREF Output leakage current; 0V DC OPERATING CONDITIONS All voltages referenced to VSS Rating Parameter Supply Voltage I/O Reference Voltage I/O Termination Voltage Symbol VCC VREF VTT Min. 1.7 0.49 x VCC VREF-0.04 Type 1.8 0.50 x VCC VREF Max. 1.9 0.51 x VCC VREF+0.04 Units V V V Notes 3 1 2 Notes: 1. VREF is expected to equal VCC/2 of the transmitting device and to track variations in the DC level of the same. Peak-to-peak noise on VREF may not exceed +/-1 percent of the DC value. Peak-to-peak AC noise on VREF may not exceed +/-2 percent of VREF. This measurement is to be taken at the nearest VREF bypass capacitor. 2. VTT in sot applied directly to the device. VTT is a system supply for signal termination resistors, is expected to be set equal to VREF and must track variations in the DC level of VREF. 3. VCCQ of all IC's are tied to VCC. May 2006 Rev. 2 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs INPUT/OUTPUT CAPACITANCE TA = 25C, f = 100MHz Parameter Input Capacitance (A0~A13, BA0~BA1, RAS#, CAS#, WE#) Input Capacitance CKE0, ODT Input Capacitance CS0# Input Capacitance (CK0, CK0#) Input Capacitance (DM0 ~ DM3), (DQS0 ~ DQS3) Symbol CIN1 CIN2 CIN3 CIN4 CIN5 (665) CIN5 (534) Input Capacitance (DQ0 ~ DQ31) COUT1 (665) COUT1 (534) Notes: * AC specification is based on SAMSUNG components. Other DRAM manufactures specification may be different. WV3HG64M32EEU-D4 ADVANCED Min 8 8 8 8 6.5 6.5 6.5 6.5 Max 12 12 12 12 7.5 8 7.5 8 Units pF pF pF pF pF pF pF pF OPERATING TEMPERATURE CONDITION Parameter Operating temperature (Commercial) Symbol TOPER Rating 0 to 85 Units C Notes 1, 2 Notes: 1. Operating temperature is the case surface temperature on the center/top side of the DRAM. For the measurement conditions, please refer to JEDED JESD51.2 2. At 0C - 85C, operation temperature range, all DRAM specification will be supported. INPUT DC LOGIC LEVEL All voltages referenced to VSS Parameter Input High (Logic 1) Voltage Input Low (Logic 0) Voltage Symbol VIH(DC) VIL(DC) Min VREF + 0.125 -0.300 Max VCC + 0.300 VREF - 0.125 Units V V INPUT AC LOGIC LEVEL All voltages referenced to VSS Parameter Input High (Logic 1) Voltage DDR2-400 & DDR2-533 Input Low (Logic 1) Voltage DDR2-667 Input Low (Logic 0) Voltage DDR2-400 & DDR2-533 Input Low (Logic 0) Voltage DDR2-667 Symbol VIH(AC) VIH(AC) VIL(AC) VIL(AC) Min VREF + 0.250 VREF + 0.200 Max VREF - 0.250 VREF - 0.200 Units V V V V May 2006 Rev. 2 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ICC SPECIFICATION VCC = +1.8V 0.1V Symbol ICC0* Proposed Conditions WV3HG64M32EEU-D4 ADVANCED 665 340 534 320 403 320 Units mA Operating one bank active-precharge; tCK = tCK(ICC), tRC = tRC(ICC), tRAS = tRAS min(ICC); CKE is HIGH, CS# is HIGH between valid commands; Address bus inputs are SWITCHING; Data bus inputs are SWITCHING Operating one bank active-read-precharge; IOUT = 0mA; BL = 4, CL = CL(ICC), AL = 0; tCK = tCK(ICC), tRC = tRC (ICC), tRAS = tRAS min(ICC); CKE is HIGH, CS# is HIGH between valid commands; Address bus inputs are SWITCHING; Data pattern is same as ICC4W Precharge power-down current; All banks idle; tCK = tCK(ICC); CKE is LOW; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Precharge quiet standby current; All banks idle; tCK = tCK(ICC); CKE is HIGH, CS# is HIGH; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Precharge standby current; All banks idle; tCK = tCK(ICC); CKE is HIGH, CS# is HIGH; Other control and address bus inputs are STABLE; Data bus inputs are SWITCHING Active power-down current; All banks open; tCK = tCK(ICC); CKE is LOW; Other control and address bus inputs are STABLE; Data bus inputs are FLOATING Fast PDN Exit MRS(12) = 0 Slow PDN Exit MRS(12) = 1 ICC1* 400 380 380 mA ICC2P** 32 32 32 mA ICC2Q** 140 120 120 mA ICC2N** 160 120 48 140 120 48 140 120 48 mA mA mA ICC3P** ICC3N** Active standby current; All banks open; tCK = tCK(ICC), tRC = tRC(ICC, tRAS = tRAS min(ICC); CKE is HIGH, CS# is HIGH between valid commands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING Operating burst write current; All banks open, Continuous burst writes; BL = 4, CL = CL(ICC), AL = 0; tCK = tCK(ICC), tRAS = tRASmax(ICC), tRP = tRP(ICC); CKE is HIGH, CS# is HIGH between valid commands; Address bus inputs are SWITCHING; Data bus inputs are SWITCHING Operating burst read current; All banks open, Continuous burst reads, IOUT = 0mA; BL = 4, CL = CL(ICC), AL = 0; tCK = tCK(ICC), tRAS = tRASmax(ICC), tRP = tRP(ICC); CKE is HIGH, CS# is HIGH between valid commands; Address bus inputs are SWITCHING; Data pattern is same as ICC4W Burst auto refresh current; tCK = tCK(ICC); Refresh command at every tRFC(ICC) interval; CKE is HIGH, CS# is HIGH between valid commands; Other control and address bus inputs are SWITCHING; Data bus inputs are SWITCHING 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 220 200 200 mA ICC4W* 560 480 440 mA ICC4R* 580 500 440 mA ICC5** 600 560 560 mA ICC6** ICC7* 32 32 32 mA Operating bank interleave read current; All bank interleaving reads, IOUT = 0mA; BL = 4, CL = CL(ICC), AL = tRCD(ICC)-1*tCK(ICC); tCK = tCK(ICC), tRC = tRC(ICC), tRRD = tRRD(ICC), tRCD = 1*tCK(ICC); CKE is HIGH, CS# is HIGH between valid commands; Address bus inputs are STABLE during DESELECTs; Data bus inputs are SWITCHING. 880 880 880 mA ICC specification is based on SAMSUNG components. Other DRAM manufactures specification may be different. Note: *: Value calculated as one module rank in this operating condition, and all other module ranks in ICC2P (CKE LOW) mode. **: Value calculated reflects all module ranks in this operating condition. May 2006 Rev. 2 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs AC CHARACTERISTICS PARAMETER CL = 5 CL = 4 CL = 3 CK high-level width CK low-level width Half clock period Clock jitter DQ output access time from CK/CK# Data-out high-impedance window from CK/CK# Data-out low-impedance window from CK/CK# DQ and DM input setup time relative to DQS DQ and DM input hold time relative to DQS DQ and DM input pulse width (for each input) Data hold skew factor DQ...DQS hold, DQS to first DQ to go nonvalid, per access Data valid output window (DVW) DQS input high pulse width DQS input low pulse width DQS output access time from CK/CK# DQS falling edge to CK rising ... setup time DQS falling edge from CK rising ... hold time DQS...DQ skew, DQS to last DQ valid, per group, per access DQS read preamble DQS read postamble DQS write preamble setup time DQS write preamble DQS write postamble Write command to first DQS latching transition Address and control input pulse width for each input Address and control input setup time Address and control input hold time Address and control input hold time WV3HG64M32EEU-D4 ADVANCED AC TIMING PARAMETERS & SPECIFICATIONS 665 SYMBOL tCK (5) tCK (4) tCK (3) tCH tCL tHP tJIT tAC tHZ tLZ tDS tDH tDIPW tQHS tQH tDVW tDQSH tDQSL tDQSCK tDSS tDSH tDQSQ tRPRE tRPST tWPRES tWPRE tWPST tDQSS tIPW tIS tIH tCCD 534 MAX 8,000 8,000 8,000 0.55 0.55 MIN 3,750 5,000 0.45 0.45 MIN (tCH, tCL) -125 -500 tAC MIN 100 225 0.35 MAX 8,000 8,000 0.55 0.55 MIN 5,000 5,000 0.45 403 MAX 8,000 8,000 0.55 0.55 UNIT ps ps ps tCK tCK ps 125 +600 tAC MAX tAC MAX ps ps ps ps ps ps tCK ps ps ns tCK tCK ps tCK tCK ps tCK tCK ps tCK tCK tCK tCK ps ps tCK MIN 3,000 3,750 5,000 0.45 0.45 MIN (tCH, tCL) -125 -450 tAC MIN 100 225 0.35 125 +450 tAC MAX tAC MAX 125 +500 tAC MAX tAC MAX 0.45 MIN (tCH, tCL) -125 -600 tAC MIN 150 275 0.35 Data 340 tHP - tQHS tQH - tDQSQ 0.35 0.35 -400 0.2 0.2 tHP - tQHS tQH - tDQSQ 0.35 0.35 -450 0.2 0.2 400 tHP - tQHS tQH - tDQSQ 0.35 0.35 -500 0.2 0.2 450 +400 +450 +500 Data Strobe 240 0.9 0.4 0 0.35 0.4 WL - 0.25 0.6 200 275 2 300 0.9 0.4 0 0.35 0.4 WL - 0.25 0.6 250 375 2 350 0.9 0.4 0 0.35 0.4 WL - 0.25 0.6 350 475 2 1.1 0.6 1.1 0.6 1.1 0.6 0.6 WL + 0.25 0.6 WL + 0.25 0.6 WL + 0.25 Note: AC specification is based on SAMSUNG components. Other DRAM manufactures specification may be different. Continued on next page May 2006 Rev. 2 7 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs AC CHARACTERISTICS PARAMETER ACTIVE to ACTIVE (same bank) command ACTIVE bank a to ACTIVE bank b command ACTIVE to READ or WRITE delay Four Bank Activate period ACTIVE to PRECHARGE command Internal READ to precharge command delay Write recovery time Auto precharge write recovery + precharge time Internal WRITE to READ command delay PRECHARGE command period PRECHARGE ALL command period LOAD MODE command cycle time CKE low to CK,CK# uncertainty REFRESH to Active of Refresh to Refresh command interfal WV3HG64M32EEU-D4 ADVANCED AC TIMING PARAMETERS (cont'd) 665 SYMBOL tRC tRRD tRCD tFAW tRAS tRTP tWR tDAL tWTR tRP tRPA tMRD tDELAY tRFC tREFI tXSNR tXSRD tISXR tAOND tAON tAOFD tAOF tAONPD tRFC (MIN) + 10 200 tIS 2 tAC (MIN) 2.5 tAC (MIN) tAC (MIN) + 2000 tAC (MIN) + 2000 3 8 2 7 - AL 2 3 2 tAC (MAX) + 1000 2.5 tAC (MAX) + 600 2 x tCK + tAC (MAX) + 1000 2.5 x tCK + tAC (MAX) + 1000 534 MAX MIN 60 7.5 15 37.5 45 7.5 15 tWR + tRP 7.5 15 tRP+tCK 2 tIS + tCK + tIH 105 403 MAX MIN 65 7.5 15 37.5 45 7.5 15 tWR + tRP 10 15 tRP+tCK 2 tIS + tCK + tIH 105 MIN 55 7.5 15 37.5 45 7.5 15 tWR + tRP 7.5 15 tRP+tCK 2 tIS + tCK + tIH 105 MAX UNIT ns ns ns ns ns ns ns ns ns ns ns tCK ns ns s ns tCK ps Command and Address 37.5 70,000 37.5 70,000 37.5 70,000 70,000 7.8 70,000 7.8 70,000 7.8 Self Refresh Average periodic refresh interval Exit self refresh to non-READ command Exit self refresh to READ command Exit self refresh timing reference ODT turn-on delay ODT turn-on ODT turn-off delay ODT turn-off tRFC (MIN) + 10 200 tIS 2 tAC (MIN) 2.5 tAC (MIN) tAC (MIN) + 2000 tAC (MIN) + 2000 3 8 2 6 - AL 2 3 2 tAC (MAX) + 1000 2.5 tAC (MAX) + 600 2 x tCK + tAC (MAX) + 1000 2.5 x tCK + tAC (MAX) + 1000 tRFC (MIN) + 10 200 tIS 2 tAC (MIN) 2.5 tAC (MIN) tAC (MIN) + 2000 tAC (MIN) + 2000 3 8 2 6 - AL 2 3 2 tAC (MAX) + 1000 2.5 tAC (MAX) + 600 2 x tCK + tAC (MAX) + 1000 2.5 x tCK + tAC (MAX) + 1000 tCK ps tCK ps ps ODT ODT turn-on (power-down mode) ODT turn-off (power-down mode) ODT to power-down entry latency ODT power-down exit latency Exit active power-down to READ command, MR[bit12=0] Exit active power-down to READ command, MR[bit12=1] A Exit precharge power-down to any non-READ command. CKE minimum high/low time tAOFPD tANPD tAXPD tXARD tXARDS tXP tCKE ps tCK tCK tCK tCK tCK tCK Note: AC specification is based on SAMSUNG components. Other DRAM manufactures specification may be different. May 2006 Rev. 2 Power-Down 8 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs Clock/Data Rate Frequency 333MHz/667Mb/s 266MHz/533Mb/s 200MHz/400Mb/s WV3HG64M32EEU-D4 ADVANCED ORDERING INFORMATION FOR D4 Part Number WV3HG64M32EEU665D4xxG* WV3HG64M32EEU534D4xxG WV3HG64M32EEU403D4xxG * Consult Factory for availability NOTES: * RoHS product. ("G" = RoHS Compliant) * Vendor specific part numbers are used to provide memory components source control. The place holder for this is shown as lower case "x" in the part numbers above and is to be replaced with the respective vendors code. Consult factory for qualified sourcing options. (M = Micron, S = Samsung & consult factory for others) * Consult factory for availability of industrial temperature (-40C to 85C) option CAS Latency 5 4 3 tRCD 5 4 3 tRP 5 4 3 Height** 30.00mm (1.181") TYP 30.00mm (1.181") TYP 30.00mm (1.181") TYP PACKAGE DIMENSIONS FOR D4 FRONT VIEW 67.75 (2.667) 67.45 (2.656) 3.80 (0.150) MAX 4.10(0.161) (2X) 3.90(0.154) 1.80 (0.071) (2X) 30.15 (1.187) 29.85 (1.175) 20.00 (0.787) TYP 6.00 (0.236) 2.55 (0.100) 1.10 (0.043) 0.90 (0.035) 1.00 (0.039) TYP 0.45 (0.018) TYP 63.60 (2.504) TYP 0.60 (0.024) TYP 2.15 (0.085) PIN 199 PIN 1 BACK VIEW PIN 200 47.40 (1.866) TYP 4.2 (0.165) TYP 11.40 (0.449) TYP PIN 2 ** ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES) May 2006 Rev. 2 9 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs PART NUMBERING GUIDE WV3HG64M32EEU-D4 ADVANCED WV 3 H G 64M 32 E E U xxx D4 x x G WEDC MEMORY (SDRAM) DDR 2 GOLD DEPTH BUS WIDTH COMPONENT WIDTH x8 1.8V UNBUFFERED SPEED (Mb/s) PACKAGE 200 PIN INDUSTRIAL TEMP OPTION (For commercial leave "blank" for industrial add "I") COMPONENT VENDOR NAME (M = Micron) (S = Samsung) G = RoHS COMPLIANT May 2006 Rev. 2 10 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs Document Title 256MB - 64Mx32 DDR2 SDRAM UNBUFFERED DRAM DIE OPTIONS: * SAMSUNG: C-Die, will move to E-Die Q2'06 * MICRON: U37Y: B-Die WV3HG64M32EEU-D4 ADVANCED Revision History Rev # Rev 0 Rev 1 Rev 2 History Created 1.1 Added row, column, and bank address 2.1 Correction on component used, (512Mb) 2.2 Added VCCQ update 2.3 Added "x" to part number to indicate industrial temp option 2.4 Added "x" to part numbering guide to indicate industrial temp option 2.5 Added die rev info Release Date 3-06 3-23-06 5-06 Status Advanced Advanced Advanced May 2006 Rev. 2 11 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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