White Electronic Designs W3DG727V-D2 64MB - 8Mx72 SDRAM UNBUFFERED FEATURES DESCRIPTION Burst Mode Operation Auto and Self Refresh capability LVTTL compatible inputs and outputs Serial Presence Detect with EEPROM The W3DG727V is a 8Mx72 SDRAM module which consists of nine 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. 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 * 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 NAMES Pin Front Pin Front Pin Front Pin Back Pin Back Pin Back A0 – A11 Address input (Multiplexed) 1 VSS 29 DQM1 57 DQ18 85 VSS 113 DQM5 141 DQ50 BA0-1 Select Bank 2 DQ0 30 CS0# 58 DQ19 86 DQ32 114 *CS1# 142 DQ51 DQ0-63 Data Input/Output 3 DQ1 31 DNU 59 VCC 87 DQ33 115 RAS# 143 VCC CB0-7 Check bit (Data-in/data-out) 4 DQ2 32 VSS 60 DQ20 88 DQ34 116 VSS 144 DQ52 CLK0,CLK2 Clock input 5 DQ3 33 A0 61 NC 89 DQ35 117 A1 145 NC 6 VCC 34 A2 62 *VREF 90 VCC 118 A3 146 *VREF CKE0 Clock Enable input 7 DQ4 35 A4 63 *CKE1 91 DQ36 119 A5 147 NC CS0#,CS2# Chip select Input RAS# Row Address Strobe 8 DQ5 36 A6 64 VSS 92 DQ37 120 A7 148 VSS 9 DQ6 37 A8 65 DQ21 93 DQ38 121 A9 149 DQ53 CAS# Column Address Strobe Write Enable 10 DQ7 38 A10/AP 66 DQ22 94 DQ39 122 BA0 150 DQ54 WE# 11 DQ8 39 BA1 67 DQ23 95 DQ40 123 A11 151 DQ55 DQM0-7 DQM 12 VSS 40 VCC 68 VSS 96 VSS 124 VCC 152 VSS VCC Power Supply (3.3V) 13 DQ9 41 VCC 69 DQ24 97 DQ41 125 *CLK1 153 DQ56 VSS Ground 14 DQ10 42 CLK0 70 DQ25 98 DQ42 126 *A12 154 DQ57 *VREF Power supply for reference 15 DQ11 43 VSS 71 DQ26 99 DQ43 127 VSS 155 DQ58 SDA Serial data I/O 16 DQ12 44 DNU 72 DQ27 100 DQ44 128 CKE0 156 DQ59 SCL Serial clock 17 DQ13 45 CS2# 73 VCC 101 DQ45 129 *CS3# 157 VCC SA0-2 Address in EEPROM 18 VCC 46 DQM2 74 DQ28 102 VCC 130 DQM6 158 DQ60 DNU Do not use 19 DQ14 47 DQM3 75 DQ29 103 DQ46 131 DQM7 159 DQ61 20 DQ15 48 DNU 76 DQ30 104 DQ47 132 *A13 160 DQ62 NC No Connect 21 CB0 49 VCC 77 DQ31 105 CB4 133 VCC 161 DQ63 22 CB1 50 NC 78 VSS 106 CB5 134 NC 162 VSS 23 VSS 51 NC 79 CLK2 107 VSS 135 NC 163 *CLK3 24 NC 52 CB2 80 NC 108 NC 136 CB6 164 NC 25 NC 53 CB3 81 NC 109 NC 137 CB7 165 **SA0 26 VCC 54 VSS 82 **SDA 110 VCC 138 VSS 166 **SA1 27 WE# 55 DQ16 83 **SCL 111 CAS# 139 DQ48 167 **SA2 28 DQM0 56 DQ17 84 VCC 112 DQM4 140 DQ49 168 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. Sept. 2002 Rev. 0 1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs W3DG727V-D2 FUNCTIONAL BLOCK DIAGRAM · CS0# DQM0 DQM4 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# CS# DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# CB0 CB1 CB2 CB3 CB4 CB5 CB6 CB7 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQM DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 U0 U5 DQM5 DQM1 DQM DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 U1 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 U6 DQM6 DQM DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 U2 · CS2# DQM2 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 U7 DQM7 DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DQM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQM Serial PD DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 U3 DQM3 A0 ~ A11, CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 SCL U4 CS# DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 47KΩ 47K WP A0 U8 SDA A1 A2 SA0 SA1 SA2 BA0 & 1 SDRAM RAS# SDRAM U0 ~ U8 CAS# SDRAM U0 ~ U8 WE# SDRAM U0 ~ U8 CKE0 SDRAM U0 ~ U8 U5/U7 10 Ω · CLK0/2 *1 : For 4 loads, Every DQpin U1/U4 · U6/U8 · U2 3.3 pF *1 10 Ω DQn U0/U3 · U0 ~ U8 of SDRAM CLK2 only. 10 Ω CLK1/3 VCC · · One 0.1uF and one per each SDRAM Vss · 0.22 10 pF uF Cap. To all SDRAMs · 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 W3DG727V-D2 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 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 (VSS = 0V, 0°C £TA = £70°C) 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 µA Note 1 2 IOH= -2mA IOL= -2mA 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 = 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V 6200mV) 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-CB7) Symbol CIN1 CIN2 CIN3 CIN4 CIN5 CIN6 CIN7 COUT COUT1 Max 50 50 50 25 30 10 50 15 15 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 W3DG727V-D2 OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, 0°C £ TA +70°C) Parameter Operating Current (One bank active) Precharge Standby Current Power Down Mode Precharge Standby Current Non Power Down Mode Active standby current Power Down Mode Active standby current Non Power Down Mode Symbol ICC1 ICC2P ICC2PS ICC2N ICC2NS ICC3P ICC3PS ICC3N ICC3NS Operating current (Burst mode) ICC4 Refresh current Self refresh current ICC5 ICC6 Version 133 100 Conditions Burst Length = 1 tRC ≥ tRC(min) IOL = 0mA CKE ≤ VIL(max), tCC = 10ns CKE & CLK ≤ VIL(max), tCC = ∞ CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are charged one time during 20 CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable CKE ≥ VIL(max), tCC = 10ns CKE & CLK ≤ VIL(max), tcc = ∞ CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are changed one time during 20ns CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable Io = mA Page burst 4 Banks activated tCCD = 2CLK tRC ≥ tRC(min) CKE ≤ 0.2V 675 630 10 10 Units Note mA 1 mA 135 mA 55 30 30 mA 225 mA 140 mA 1,035 1,215 10 855 mA 1 1,125 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 = VCCQ/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 W3DG727V-D2 ORDERING INFORMATION Part Number W3DG727V10D2 W3DG727V7D2 W3DG727V75D2 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 PACKAGE DIMENSIONS 1.100 57 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