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| White Electronic Designs 64MB- 8Mx64 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 W3DG647V-D2 DESCRIPTION The W3DG647V is a 8Mx64 synchronous DRAM module which consists of eight 8Mx8 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 datasheet describes a product that may or may not be under development and is subject to change or cancellation 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 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 *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 DNU VSS DQ53 DQ54 DQ55 VSS DQ56 DQ57 DQ58 DQ59 VCC DQ60 DQ61 DQ62 DQ63 VSS *CLK3 NC **SA0 **SA1 **SA2 VCC PIN NAMES A0 - A11 BA0-1 DQ0-63 CK0,CK2 CKE0 CS0#,CS2# RAS# CAS# WE# DQM0-7# VCC VSS SDA SCL DNU NC WP 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 Write Protect *These pins are not used in this module. **These pins should be NC in the system which does not support SPD. *** WP Available on the WED3DG637V-D2 only. White Electronic Designs Corp. reserves the right to change products or specifications without notice. 1 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs FUNCTIONAL BLOCK DIAGRAM W3DG647V-D2 White Electronic Designs Corp. reserves the right to change products or specifications without notice. 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 8 50 W3DG647V-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 VCC 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, CLK2) Input Capacitance (CS0#,CS2#) Input Capacitance (DQM0-DQM7) Input Capacitance (BA0-BA1) Data input/output capacitance (DQ0-DQ63) Symbo CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 COUT Minl Max 45 45 45 30 25 10 45 12 Unit pF pF pF pF pF pF pF pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. 3 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, 0CTA70C) Parameters Symbol Conditions W3DG647V-D2 Versions 133 100 520 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 600 ICC2P ICC2PS ICC2N ICC2NS 10 10 120 50 25 25 200 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 120 920 840 mA mA 1 Refresh current Self refresh current ICC5 ICC6 1080 10 810 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. 4 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com White Electronic Designs ORDERING INFORMATION Part Number W3DG647V10D2 W3DG647V7D2 W3DG647V75D2 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 Part Number WED3DG637V10D2 WED3DG637V7D2 WED3DG637V75D2 W3DG647V-D2 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 Note: Modules are available in industrial temperature - 40C to 85C. Note: Available with "WP" Write Protect on pin 81. PACKAGE DIMENSIONS ALL DIMENSIONS ARE IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. 5 White Electronic Designs Corporation * (602) 437-1520 * www.wedc.com |
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