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| White Electronic Designs 32MB - 4M x 64 SDRAM UNBUFFERED FEATURES PC100 and PC133 compatible 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 W3DG644V-D2 PRELIMINARY* DESCRIPTION The W3DG644V is a 4M x 64 synchronous DRAM module which consists of four 4M x 16 SDRAM components in TSOP II package 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. *This product is under development, is not qualified or characterized and is subject to change without notice. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN FRONT 1 VSS 2 DQ0 3 DQ1 4 DQ2 5 DQ3 6 VCC 7 DQ4 8 DQ5 9 DQ6 10 DQ7 11 DQ8 12 VSS 13 DQ9 14 DQ10 15 DQ11 16 DQ12 17 DQ13 18 VCC 19 DQ14 20 DQ15 21 NC 22 NC 23 VSS 24 NC 25 NC 26 VCC 27 WE# 28 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 CLK0 VSS DNU CS2# DQM2 DQM3 DNU VCC NC NC NC NC 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 NC NC VSS DQ21 DQ22 DQ23 VSS DQ24 DQ25 DQ26 DQ27 VCC DQ28 DQ29 DQ30 DQ31 VSS CLK2 NC *WP **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 NC NC 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 NC NC VSS CKE0 NC DQM6 DQM7 NC VCC NC NC NC NC 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 NC DNU VSS DQ53 DQ54 DQ55 VSS DQ56 DQ57 DQ58 DQ59 VCC DQ60 DQ61 DQ62 DQ63 VSS NC NC **SA0 **SA1 **SA2 VCC A0 - A11 BA0-1 DQ0-63 CLK0,CLK2 CKE0 CS0#,CS2# RAS# CAS# WE# DQM0-7# VCC VSS SDA SCL DNU NC PIN NAMES Address input (Multiplexed) Select Bank Data Input/Output 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 Do not use No Connect * WP (write protect) option available on pin 81, see ordering information on page 5. ** 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. July 2004 Rev 1 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FUNCTIONAL BLOCK DIAGRAM CSO# DQM0 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQM1 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 CS2# DQM2 DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQM3 DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 LDQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 UDQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 LDQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 UDQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQM4 W3DG644V-D2 PRELIMINARY CS# DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DQM5 DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 U0 LDQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 UDQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 CS# U2 DQM6 CS# DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DQM7 DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 U1 LDQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 UDQM DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 CS# U3 A0-A11,BA0 &1 RAS# CAS# WE# CKE0 10 SDRAMU0-U3 SDRAMU0-U3 SDRAMU0-U3 SDRAMU0-U3 SDRAMU0-U3 SERIAL PD SCL WP 47 SDA A0 A1 SA1 A2 SA2 SA0 DQ0-63 Every DQpin of SDRAM VCC TWO 0.1 uF CAPACITORS PER EACH SDRAM To all SDRAMS VCC White Electronic Designs Corp. reserves the right to change products or specifications without notice. July 2004 Rev 1 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 4 50 W3DG644V-D2 PRELIMINARY 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, 0C TA 70C Parameter Supply Voltage Input High Voltage Input Low Voltage Output High Voltage Output Low Voltage Input Leakage Current Note: 1. 2. 3. VIH (max)= 5.6V AC. The overshoot voltage duration is 3ns. VIL (min)= -2.0V AC. The undershoot voltage duration is 3ns. Any input 0V VIN VCCQ Input leakage currents include Hi-Z output leakage for all bi-directional buffers with Tri-State outputs. 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 Note 1 2 IOH= -2mA IOL= -2mA 3 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,CLK2) Input Capacitance (CS0#,CS2#) Input Capacitance (DQM0-DQM7) Input Capacitance (BA0-BA1) Data input/output capacitance (DQ0-DQ63) Symbol CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 COUT Max 25 25 25 13 15 8 25 10 Unit pF pF pF pF pF pF pF pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. July 2004 Rev 1 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, 0C TA 70C) Parameters Symbol Conditions Versions 133 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 460 300 W3DG644V-D2 PRELIMINARY 100 300 Units mA Note 1 ICC2P ICC2PS ICC2N ICC2NS 4 4 48 24 8 8 80 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 40 460 mA mA 1 Refresh current Self refresh current Notes: 1. Measured with outputs open. 2. Refresh period is 64ms. ICC5 ICC6 360 4 360 mA mA 2 White Electronic Designs Corp. reserves the right to change products or specifications without notice. July 2004 Rev 1 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION Part Number W3DG644V10D2 W3DG644V7D2 W3DG644V75D2 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 Height* 25.40 (1.00") 25.40 (1.00") 25.40 (1.00") Part Number W3DG634V10D2 W3DG634V7D2 W3DG634V75D2 Speed 100MHz 133MHz 133MHz W3DG644V-D2 PRELIMINARY CAS Latency CL=2 CL=2 CL=3 Height* 25.40 (1.00") 25.40 (1.00") 25.40 (1.00") Note: Modules are available in industrial temperature - 40C TA 85C. Add an "I" to the end of the part number. Note: Available with WP (write protect) on pin 81. PACKAGE DIMENSIONS 133.48 (5.255) MAX. 0.00 (0.125) (2X) 278 3.81 (0.150) MAX. 25.40 (1.000) MAX 3.99 (0.157) (2X) 17.78 (0.700) P1 11.43 (0.450) 8.89 (0.350) 15.60 (0.614) 36.83 (1.450) 6.35 (0.250) 57.79 (2.275) 115.57 (4.550) 54.61 (2.150) 3.99 (0.157) MIN 1.27 0.10 (0.050 0.0039) * ALL DIMENSIONS ARE IN MILLIMETERS AND (INCHES) White Electronic Designs Corp. reserves the right to change products or specifications without notice. July 2004 Rev 1 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs Document Title 32MB - 4Mx64 SDRAM UNBUFFERED W3DG644V-D2 PRELIMINARY Revision History Rev # Rev 0 History 0.1 Created 0.2 Updated CAP and IDD specs. Release Date 7-2004 Status Advanced Rev 1 Moved from Advanced to Preliminary 7-2004 Preliminary White Electronic Designs Corp. reserves the right to change products or specifications without notice. July 2004 Rev 1 6 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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