White Electronic Designs WED3DG649V-D1 64MB- 8Mx64 SDRAM, UNBUFFERED FEATURES DESCRIPTION The WED3DG649V is a 8Mx64 synchronous DRAM module which consists of four 8Meg x 16 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 144 pin SO-DIMM multilayer FR4 Substrate. 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 144 Pin SO-DIMM JEDEC * This product is subject to change without notice. PIN NAMES PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PINOUT A0 – A11 PIN FRONT PIN BACK PIN FRONT PIN BACK PIN BACK PIN BACK 1 VSS 2 VSS 51 DQ14 52 DQ46 95 DQ21 96 DQ53 Address Input (Multiplexed) BA0-1 Select Bank Data Input/Output 3 DQ0 4 DQ32 53 DQ15 54 DQ47 97 DQ22 98 DQ54 DQ0-63 5 DQ1 6 DQ33 55 VSS 56 VSS 99 DQ23 100 DQ55 CLK0 Clock Input 7 DQ2 8 DQ34 57 NC 58 NC 101 VCC 102 VCC CKE0 Clock Enable Input 9 DQ3 10 DQ35 59 NC 60 NC 103 A6 104 A7 CS0# Chip Select Input 11 VCC 12 VCC 105 A8 106 BA0 13 DQ4 14 DQ36 107 VSS 108 VSS RAS# Row Address Strobe 15 DQ5 16 DQ37 17 DQ6 18 DQ38 61 19 DQ7 20 DQ39 21 VSS 22 VSS 23 DQM0 24 25 DQM1 26 VOLTAGE KEY 109 A9 110 BA1 CAS# Column Address Strobe CKE0 111 A10/AP 112 A11 WE# Write Enable 64 VCC 113 VCC 114 VCC DQM0-7 DQM 66 CAS# 115 DQM2 116 DQM6 VCC Power Supply (3.3V) WE# 68 *CKE1 117 DQM3 118 DQM7 CS0# 70 *A12 119 VSS 120 VSS VSS Ground Power Supply for Reference Serial Data I/O CLK0 62 63 VCC 65 RAS# DQM4 67 DQM5 69 27 VCC 28 VCC 71 *CS1# 72 *A13 121 DQ24 122 DQ56 *VREF 29 A0 30 A3 73 DNU 74 *CLK1 123 DQ25 124 DQ57 SDA 31 A1 32 A4 75 VSS 76 VSS 125 DQ26 126 DQ58 SCL Serial Clock 33 A2 34 A5 77 NC 78 NC 127 DQ27 128 DQ59 35 VSS 36 VSS 79 NC 80 NC 129 VCC 130 VCC DNU Do Not Use 37 DQ8 38 DQ40 81 VCC 82 VCC 131 DQ28 132 DQ60 NC No Connect 39 DQ9 40 DQ41 83 DQ16 84 DQ48 133 DQ29 134 41 DQ10 42 DQ42 85 DQ17 86 DQ49 135 DQ30 136 DQ61 DQ62 43 DQ11 44 DQ43 87 DQ18 88 DQ50 137 DQ31 138 DQ63 45 VCC 46 VCC 89 DQ19 90 DQ51 139 VSS 140 VSS 47 DQ12 48 DQ44 91 VSS 92 VSS 141 **SDA 142 **SCL 49 DQ13 50 DQ45 93 DQ20 94 DQ52 143 VCC 144 VCC * 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. May 2004 Rev. 1 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED3DG649V-D1 FUNCTIONAL BLOCK DIAGRAM CS0# DQM0 DQM4 LDQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQM1 CS# LDQM U0 UDQM DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQM5 CS# U2 UDQM DQM6 DQM2 LDQM DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# LDQM U1 UDQM DQM3 DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQM7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 CS# U3 UDQM SERIAL PD SCL A0-A11, BA0 & BA1 RAS# CAS# WE# CKE0 SDRAM SDRAM SDRAM SDRAM SDRAM U0-U3 U0-U3 U0-U3 U0-U3 U0-U3 47Ω WP SA0 SDA SA1 SA2 10Ω DQn U0 Every DQpin of SDRAM CLK0 U1 U2 U3 VCC TWO 0.1 uF CAPACITORS PER EACH SDRAM To all SDRAM VCC CLK1 10Ω 10pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2004 Rev. 1 2 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED3DG649V-D1 ABSOLUTE MAXIMUM RATINGS Parameter Symbol Value Units Voltage on any pin relative to VSS VIN, VOUT -1.0 ~ 4.6 V Voltage on VCC supply relative to VSS VCC, VCCQ -1.0 ~ 4.6 V TSTG -55 ~ +150 °C Storage Temperature Power Dissipation PD 9 W Short Circuit Current IOS 50 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 ≤ 0°C ≤ +70°C) Parameter Symbol Min Typ Max Unit Supply Voltage VCC 3.0 3.3 3.6 V Input High Voltage VIH 2.0 3.0 VCCQ+0.3 V Note 1 Input Low Voltage VIL -0.3 — 0.8 V 2 Output High Voltage VOH 2.4 — — V IOH= -2mA Output Low Voltage VOL — — 0.4 V IOL= -2mA Input Leakage Current ILI -10 — 10 µA 3 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 = 25°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV) Parameter Symbol Max Unit Input Capacitance (A0-A11) CIN1 25 pF Input Capacitance (RAS#,CAS#,WE#) CIN2 25 pF Input Capacitance (CKE0) CIN3 25 pF Input Capacitance (CLK0) CIN4 18 pF Input Capacitance (CS0#) CIN5 25 pF Input Capacitance (DQM0-DQM7) CIN6 8 pF Input Capacitance (BA0-BA1) CIN7 25 pF Data input/output capacitance (DQ0-DQ63) CouT 9.5 pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2004 Rev. 1 3 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED3DG649V-D1 OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, TA = 0°C ≤ +70°C) Version Parameter Operating Current (One bank active) Precharge Standby Current in Power Down Mode Precharge Standby Current in Non-Power Down Mode Active Standby Current in Power-Down Mode Active Standby Current in Non-Power Down Mode Symbol Conditions ICC1 Burst Length = 1 tRC ≥ tRC(min) IOL = 0mA ICC2P 133/100 Units Note 560 mA 1 mA CKE ≤ VIL(max), tCC = 10ns 4 ICC2PS CKE & CLK ≤ VIL(max), tCC = ≤ 4 ICC2N CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns Input signals are charged one time during 20 80 ICC2NS CKE ≥ VIH(min), CLK ≤ VIL(max), tCC = ∞ Input signals are stable 30 mA ICC3P CKE ≥ VIL(max), tCC = 10ns 20 ICC3PS CKE & CLK ≤ VIL(max), tCC = ∞ 20 ICC3N CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are changed one time during 20ns 120 ICC3NS CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable ICC4 Operating Current (Burst mode) mA mA 80 mA Io = mA Page burst 4 Banks activated tCCD = 2CLK 580 mA 1 840 mA 2 6 mA Refresh Current ICC5 tRC ≥ tRC(min) Self Refresh Current ICC6 CKE ≤ 0.2V Notes: 1. Measured with outputs open. 2. Refresh period is 64ms. 3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCCQ/VSSQ) White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2004 Rev. 1 4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED3DG649V-D1 PACKAGE DIMENSIONS FOR D1 Ordering Information Speed CAS Latency Height* WED3DG649V10D1 100MHz CL=2 31.75 (1.250”) WED3DG649V7D1 133MHz CL=2 31.75 (1.250”) WED3DG649V75D1 133MHz CL=3 31.75 (1.250”) Note: For industrial temperature range product, add an "I" to the end of the part number. PACKAGE DIMENSIONS FOR D1 67.72 (2.661 Max) 2.54 (0.100) MAX. 2.01 (0.079 Min) 31.75 (1.250) Max 3.99 (0.157) 19.99 (0.787) 23.14 (0.913) 3.20 (0.126) MIN. 32.79 (1.291) 0.99 ± 0.10 (0.039) (± 0.004) 4.60 (0.181) 28.2 (1.112) 1.50 (0.059) * All Dimensions are in millimeters and (inches). White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2004 Rev. 1 5 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED3DG649V-D1 Document Title 64MB- 8Mx64 SDRAM, UNBUFFERED Revision History Rev # History Release Date Status Rev 1 1.1 Updated CAP and IDD Specs 5-04 Final White Electronic Designs Corp. reserves the right to change products or specifications without notice. May 2004 Rev. 1 6 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com