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| White Electronic Designs 512MB- 64Mx72 SDRAM UNBUFFERED FEATURES 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 W3DG7265V-D2 DESCRIPTION The W3DG7265V is a 64Mx72 synchronous DRAM module which consists of nine 64Mx 8 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSSOP package for Serial Presence Detect which are mounted on a 168 pin DIMM multilayer FR4 Substrate. *This product is subject to change without notice. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) Pin 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 Front VSS DQ0 DQ1 DQ2 DQ3 VCC DQ4 DQ5 DQ6 DQ7 DQ8 VSS DQ9 DQ10 DQ11 DQ12 DQ13 VCC DQ14 DQ15 CB0 CB1 VSS NC NC VCC WE# DQM0 Pin 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 Front DQM1 CS0# DNU VSS A0 A2 A4 A6 A8 A10/AP BA1 VCC VCC CK0 VSS DNU CS2# DQM2 DQM3 DNU VCC NC NC CB2 CB3 VSS DQ16 DQ17 Pin 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 Front DQ18 DQ19 VCC DQ20 NC *VREF *CKE1 VSS DQ21 DQ22 DQ23 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS CK2 NC NC **SDA **SCL VCC Pin 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 Back VSS DQ32 DQ33 DQ34 DQ35 VCC DQ36 DQ37 DQ38 DQ39 DQ40 VSS DQ41 DQ42 DQ43 DQ44 DQ45 VCC DQ46 DQ47 CB4 CB5 VSS NC NC VCC CAS# DQM4 Pin 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 Back DQM5 *CS1# RAS# VSS A1 A3 A5 A7 A9 BA0 A11 VCC *CK1 A12 VSS CKE0 *CS3# DQM6 DQM7 *A13 VCC NC NC CB6 CB7 VSS DQ48 DQ49 Pin 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 Back DQ50 DQ51 VCC DQ52 NC *VREF NC VSS DQ53 DQ54 DQ55 VSS DQ56 DQ57 DQ58 DQ59 VCC DQ60 DQ61 DQ62 DQ63 VSS *CK3 NC **SA0 **SA1 **SA2 VCC PIN NAMES A0 - A12 BA0-1 DQ0-63 CB0-7 CK0,CK2 CKE0 CS0#, CS2# RAS# CAS# WE# DQM0-7 VCC VSS *VREF SDA SCL SA0-2 DNU NC Address Input (Multiplexed) Select Bank Data Input/Output Check Bit (Data-in/data-out) Clock Input Clock Enable Input Chip Select Input Row Address Strobe Column Address Strobe Write Enable DQM Power Supply (3.3V) Ground Power Supply for Reference Serial Data I/O Serial Clock Address in EEPROM Do not use No Connect * These pins are not used in this module. ** These pins should be NC in the system which does not support SPD. White Electronic Designs Corp. reserves the right to change products or specifications without notice. Sept. 2002 Rev. 0 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FUNCTIONAL BLOCK DIAGRAM CS0# DQM0 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQM1 DQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQM CB0 CB1 CB2 CB3 CB4 CB5 CB6 CB7 CS2# DQM2 DQM DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQM3 DQM DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# Serial PD DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQM4 DQM DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DQM5 DQM DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 DQM6 DQM CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# W3DG7265V-D2 U0 U5 U1 U6 CS# U2 DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DQM7 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 U7 DQM DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# U3 U8 U4 SCL 47K WP A0 SDA A1 A2 SA0 SA1 SA2 A0 ~ A12, BA0 & 1 RAS# CAS# WE# CKE0 10 DQn VCC SDRAM U0 ~ U8 SDRAM U0 ~ U8 SDRAM U0 ~ U8 SDRAM U0 ~ U8 SDRAM U0 ~ U8 3.3 pF *1 CK0/2 10 U0/U3 U5/U7 U1/U4 U6/U8 U2 Every DQpin of SDRAM CK1/3 One 0.1uF and one 0.22 uF Cap. per each SDRAM To all SDRAMs *1: For 4 loads, CK2 only. 10 10 pF Vss White Electronic Designs Corp. reserves the right to change products or specifications without notice. Sept. 2002 Rev. 0 2 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ABSOLUTE MAXIMUM RATINGS Parameter Voltage on any pin relative to VSS Voltage on VCC supply relative to VSS Storage Temperature Power Dissipation Short Circuit Current Symbol VIN, VOUT VCC, VCCQ TSTG PD IOS Value -1.0 ~ 4.6 -1.0 ~ 4.6 -55 ~ +150 9 50 W3DG7265V-D2 Units V V C W 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: VSS = 0V, TA 0C to +70C) Parameter Supply Voltage Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Input Leakage Current Symbol VCC VIH VIL VOH VOL ILI Min 3.0 2.0 -0.3 2.4 -- -10 Typ 3.3 3.0 -- -- -- -- Max 3.6 VCCQ+0.3 0.8 -- 0.4 10 Unit V V V V V A 1 2 IOH= -2mA IOL= -2mA 3 Note 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 VCCQ Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs. CAPACITANCE (TA = 23C, f = 1MHz, VCC = 3.3V, VREF=1.4V 200mV) Parameter Input Capacitance (A0-A12) Input Capacitance (RAS#,CAS#,WE#) Input Capacitance (CKE0) Input Capacitance (CLK0) Input Capacitance (CS0#, CS2#) Input Capacitance (DQM0-DQM7) Input Capacitance (BA0-BA1) Data input/output capacitance (DQ0-DQ63) Data input/output capacitance (CB0-7) Symbol CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 CouT CouT1 Max 45 45 45 35 30 15 45 10 10 Unit pF pF pF pF pF pF pF pF pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. Sept. 2002 Rev. 0 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, 0CTA70C) Parameters Symbol Conditions W3DG7265V-D2 Versions 133 100 1,620 60 45 270 90 90 80 450 315 Units mA Note 1 Operating Current (One bank active) Precharge Standby Current in Power Down Mode Precharge Standby Current in Non-Power Down Mode ICC1 Burst Length = 1 tRC tRC(min) IOL = 0mA CKE VIL(max), tCC = 10ns CKE & CK VIL(max), tCC = CKE VIH(min), CS VIH(min), tCC =10ns Input signals are charged one time during 20 CKE VIH(min), CK VIL(max), tCC= Input signals are stable CKE VIL(max), tCC = 10ns CKE & CK VIL(max), tCC = CKE VIH(min), CS VIH(min), tCC = 10ns Input signals are charged one time during 20ns CKE VIH(min), CK VIL(max), tCC = input signals are stable Io = mA Page burst 4 Banks activated tCCD = 2CK tRC tRC(min) CKE 0.2V 1,800 ICC2P ICC2PS ICC2N ICC2NS mA mA mA mA mA Active standby current in powerdown mode Active standby in current non power-down mode ICC3P ICC3PS ICC3N mA ICC3NS Operating current (Burst mode) ICC4 mA mA 1 1,800 1,530 Refresh current Self refresh current ICC5 ICC6 2,970 65 2,790 mA mA 2 Notes: 1. Measured with outputs open. 2. Refresh period is 64ms. 3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCC/VSSQ) White Electronic Designs Corp. reserves the right to change products or specifications without notice. Sept. 2002 Rev. 0 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs W3DG7265V-D2 ORDERING INFORMATION Part Number W3DG7265V10D2 W3DG7265V7D2 W3DG7265V75D2 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 PACKAGE DIMENSIONS 5.255 MAX. .157 (2x) 1.100 MAX. .700 P1 .120 MAX. .078 (2X) .450 .350 .964 1.450 1.661 .250 .125 2.150 .050 TYP .157 MIN. .050.004 ALL DIMENSIONS ARE IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. Sept. 2002 Rev. 0 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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