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| White Electronic Designs 64MB - 8Mx72 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 144 Pin SO-DIMM * PCB height: 27.94mm (1.10") WED3DG728V-D1 ADVANCED* DESCRIPTION The WED3DG728V is a 8Mx72 synchronous DRAM module which consists of nine 8Mx8 SDRAM components in TSOP II package, and one 2Kb EEPROM in an 8 pin TSOP package for Serial Presence Detect which are mounted on a 144 pin SO-DIMM multilayer FR4 Substrate. * This product is under development, is not qualified or characterized and is subject to change or cancellation without notice. NOTE: Consult factory for availability of: * RoHS compliant products * Vendor source control options * Industrial temperature option PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PINOUT PIN 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 FRONT VSS DQ0 DQ1 DQ2 DQ3 VCC DQ4 DQ5 DQ6 DQ7 VSS DQMB0 DQMB1 VCC A0 A1 A2 VSS DQ8 DQ9 DQ10 DQ11 VCC DQ12 PIN 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 BACK VSS DQ32 DQ33 DQ34 DQ35 VCC DQ36 DQ37 DQ38 DQ39 VSS DQMB4 DQMB5 VCC A3 A4 A5 VSS DQ40 DQ41 DQ42 DQ43 VCC DQ44 PIN 49 51 53 55 57 59 61 63 65 67 69 71 73 75 77 79 81 83 85 87 89 91 93 95 FRONT DQ13 DQ14 DQ15 VSS CB0 CB1 CLK0 VCC RAS# WE# SO# NC NC VSS CB2 CB3 VCC DQ16 DQ17 DQ18 DQ19 VSS DQ20 DQ21 PIN 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80 82 84 86 88 90 92 94 96 BACK DQ45 DQ46 DQ47 VSS CB4 CB5 CKE0 VCC CAS# NC NC NC CK1 VSS CB6 CB7 VCC DQ48 DQ49 DQ50 DQ51 VSS DQ52 DQ53 PIN 97 99 101 103 105 107 109 111 113 115 117 119 121 123 125 127 129 131 133 135 137 139 141 143 FRONT DQ22 DQ23 VCC A6 A8 VSS A9 A10 VCC DQMB2 DQMB3 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS SDA VCC PIN 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 BACK DQ54 DQ55 DQ55 A7 BA0 VSS BA1 A11 VCC DQMB6 DQMB7 VSS DQ56 DQ57 DQ58 DQ59 VCC DQ60 DQ61 DQ62 DQ63 VSS SCL VCC PIN NAMES A0 - A11 BA0-1 DQ0-63 CB0-7 CLK0,CLK1 CKE0 CS0# RAS# CAS# WE# DQMB0-7 VCC VSS SDA SCL 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 Serial Data I/O Serial Clock No Connect White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 Rev. 0 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FUNCTIONAL BLOCK DIAGRAM WE# S0# DQMB0 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# WE# DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DQMB5 DQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 DQMB6 DQM CB0 CB1 CB2 CB3 CB4 CB5 CB6 CB7 DQMB2 DQM DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQMB3 DQM DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# WE# *CLOCK WIRING CLOCK SDRAMS INPUT *CLK0 4 0R 5 SDRAMS 4 0R 5 SDRAMS *CLK1 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# WE# DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 DQMB7 DQM I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# S0# WE# DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DQM I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# S0# WE# DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 DQM I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# DQMB4 DQM I/O0 I/O1 I/O2 I/O3 I/O4 I/O5 I/O6 I/O7 S0# WED3DG728V-D1 ADVANCED WE# DQMB1 WE# WE# WE# SERIAL PD SCL A0 A1 A2 SDA RAS# CAS# CKE0 BA0-BA1 A0-A11 RAS#: SDRAM CAS#: SDRAM CKE0: SDRAM BA0-BA1: SDRAM A0-A11: SDRAM VCC VSS SDRAM SDRAM NOTE: DQ wiring may differ than described in this drawing, however DQ/DQMB/ CKE/S relationships must be maintianed as shown. All resister values are 22 ohms 5% unless otherwise specified. White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 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 WED3DG728V-D1 ADVANCED Units V V C W mA -1.0 ~ 4.6 -1.0 ~ 4.6 -55 ~ +150 9 50 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, 0C TA +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 = 25C, f = 1MHz, VCC = 3.3V, VREF = 1.4V 200mV Parameter Input Capacitance (A0-A11) Input Capacitance (RAS#,CAS#,WE#) Input Capacitance (CKE0) Input Capacitance (CLK0) Input Capacitance (CS0#) 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 15 15 15 20 15 15 15 22 22 Unit pF pF pF pF pF pF pF pF pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 Rev. 0 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs OPERATING CURRENT CHARACTERISTICS VCC = 3.3V, 0C TA +70C WED3DG728V-D1 ADVANCED Version Parameter Operating Current (One bank active) Precharge Standby Current in Power Down Mode Active Standby Current in Non-Power Down Mode Symbol ICC1 Conditions Burst Length = 1 tRC tRC(min) IOL = 0mA CKE VIL(max), tCC = 10ns CKE VIH(min), CS VIH(min), tcc = 10ns Input signals are changed one time during 20ns Io = mA Page burst 4 Banks activated tCCD = 2CK tRC tRC(min) CKE 0.2V 133 1,080 100 990 Units mA Note 1 ICC2 ICC3 ICC4 20 50 mA mA Operating Current (Burst mode) 1,350 1,170 mA 1 Refresh Current Self Refresh Current Notes: 1. Measured with outputs open. 2. Refresh period is 64ms. ICC5 ICC6 1,800 20 1,710 mA mA 2 White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 Rev. 0 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION FOR D1 Part Number WED3DG728V10D1 WED3DG728V7D1 WED3DG728V75D1 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 WED3DG728V-D1 ADVANCED Height 27.94 (1.10") 27.94 (1.10") 27.94 (1.10") NOTES: * Consult Factory for availability of RoHS compliant products. (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 PACKAGE DIMENSIONS FOR D1 67.72 (2.661 Max) 2.01 (0.079 Min) 3.81 (0.150) MAX. 3.99 (0.157) 27.94 (1.10) Max 19.99 (0.787) 23.14 (0.913) 28.2 (1.112) 32.79 (1.291) 4.60 (0.181) 1.50 (0.059) 0.99 (0.039) ( 0.004) * ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES). White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 Rev. 0 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs Document Title 64MB - 8Mx72 SDRAM, UNBUFFERED WED3DG728V-D1 ADVANCED Revision History Rev # Rev A Rev 0 History Created 0.1 Updated data sheet to the new format Release Date 11-9-01 10-05 Status Advanced Advanced White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2005 Rev. 0 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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