WED3DG72128V-D1 White Electronic Designs PRELIMINARY* 1GB- 128Mx72 SDRAM, UNBUFFERED W/PLL DESCRIPTION FEATURES n Burst Mode Operation n Auto and Self Refresh capability n LVTTL compatible inputs and outputs n Serial Presence Detect with EEPROM n Fully synchronous: All signals are registered on the positive edge of the system clock n Programmable Burst Lengths: 1, 2, 4, 8 or Full Page n 3.3V ± 0.3V Power Supply n 144 Pin SO-DIMM JEDEC The WED3DG72128V is a 128Mx72 synchronous DRAM module which consists of nine 128Mx8 stack 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. * This product is under development, is not qualified or characterized and is subject to change without notice. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN NAMES A0 – A12 Address Input (Multiplexed) FRONT PIN BACK PIN FRONT PIN BACK BA0-1 Select Bank 49 DQ13 50 DQ45 97 DQ22 98 DQ54 DQ0-63 Data Input/Output DQ32 51 DQ14 52 DQ46 99 DQ23 100 DQ55 CLK0 Clock Input 6 DQ33 53 DQ15 54 DQ47 101 VCC 102 VCC CB0-7 Check Bit (Data-In/Data-Out) DQ2 8 DQ34 55 VSS 56 VSS 103 A6 104 A7 CKE0, CKE1 Clock Enable Input 9 DQ3 10 DQ35 57 CB0 58 CB4 105 A8 106 BA0 CS0#, CS1# ChipSelect Input 11 VCC 12 VCC 59 CB1 60 CB5 107 VSS 108 VSS RAS# Row Address Strobe 13 DQ4 14 DQ36 61 CLK0 62 CKE0 109 A9 110 BA1 15 DQ5 16 DQ37 63 VCC 64 VCC 111 A10 112 A11 CAS# Column Address Strobe 17 DQ6 18 DQ38 65 RAS# 66 CAS# 113 VCC 114 VCC WE# Write Enable 19 DQ7 20 DQ39 67 WE# 68 CKE1 115 DQMB2 116 DQMB6 DQM0-7 DQM 21 VSS 22 VSS 69 S0# 70 A12 117 DQMB3 118 DQMB7 VCC Power Supply (3.3V) 23 DQMB0 24 DQMB4 71 S1# 72 NC 119 VSS 120 VSS VSS Ground 25 DQMB1 26 DQMB5 73 NC 74 NC 121 DQ24 122 DQ56 SDA Serial Data I/O 27 VCC 28 VCC 75 VSS 76 VSS 123 DQ25 124 DQ57 SCL Serial Clock 29 A0 30 A3 77 CB2 78 CB6 125 DQ26 126 DQ58 DNU Do Not Use 31 A1 32 A4 79 CB3 80 CB7 127 DQ27 128 DQ59 NC No Connect 33 A2 34 A5 81 VCC 82 VCC 129 VCC 130 VCC 35 VSS 36 VSS 83 DQ16 84 DQ48 131 DQ28 132 DQ60 37 DQ8 38 DQ40 85 DQ17 86 DQ49 133 DQ29 134 DQ61 39 DQ9 40 DQ41 87 DQ18 88 DQ50 135 DQ30 136 DQ62 41 DQ10 42 DQ42 89 DQ19 90 DQ51 137 DQ31 138 DQ63 43 DQ11 44 DQ43 91 VSS 92 139 VSS 140 VSS 45 VCC 46 VCC 93 DQ20 94 DQ52 141 SDA 142 SCL 47 DQ12 48 DQ44 95 DQ21 96 DQ53 143 VCC 144 VCC PIN FRONT PIN BACK PIN 1 VSS 2 VSS 3 DQ 4 5 DQ1 7 PINOUT VSS * 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. October 2002 Rev. 0 1 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG72128V-D1 White Electronic Designs PRELIMINARY FUNCTIONAL BLOCK DIAGRAM CS1# CS0# DQM0 DQM4 DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ32 DQ33 DQ34 DQ35 DQ36 DQ37 DQ38 DQ39 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ40 DQ41 DQ42 DQ43 DQ44 DQ45 DQ46 DQ47 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ48 DQ49 DQ50 DQ51 DQ52 DQ53 DQ54 DQ55 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ56 DQ57 DQ58 DQ59 DQ60 DQ61 DQ62 DQ63 DQS U0 U9 DQS U5 U14 DQM5 DQM1 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQS U1 U10 DQS U6 U15 DQM6 CB0 CB1 CB2 CB3 CB4 CB5 CB6 CB7 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQS U2 U11 DQS U7 U16 DQM7 DQM2 DQ16 DQ17 DQ18 DQ19 DQ20 DQ21 DQ22 DQ23 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQ24 DQ25 DQ26 DQ27 DQ28 DQ29 DQ30 DQ31 DM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 CS# DQS U3 U12 DQS U8 U17 DQM3 BA0,BA1 A0-A12 RAS# CAS# CKE0 CKE1 WE# DQS U4 U13 CLK0 U0-U17 U0-U17 U0-U17 U0-U17 U0-U8 U9-U17 U0-U17 U0-U17 PLL SERIAL PD SCL A0 A1 A2 SDA NOTE: All resistor values are 22 ohms unless otherwise specified. White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2002 Rev. 0 2 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG72128V-D1 White Electronic Designs PRELIMINARY 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 Storage Temperature TSTG -55 ~ +150 °C Power Dissipation PD 18 W Short Circuit Current IOS 50 mA Note: Permanent device damage may occur if “ABSOLUTE MAXIMUM RATINGS”V 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 Note Input High Voltage VIH 2.0 3.0 VCCQ+0.3 V 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 = 23°C, f = 1MHz, VCC = 3.3V, VREF=1.4V ± 200mV) Parameter Symbol Max Unit Input Capacitance (A0-A12) CIN1 15 pF Input Capacitance (RAS#,CAS#,WE#) CIN2 15 pF Input Capacitance (CKE0) CIN3 15 pF Input Capacitance (CLK0) CIN4 20 pF Input Capacitance (CS0#) CIN5 15 pF Input Capacitance (DQM0-DQM7) CIN6 15 pF Input Capacitance (BA0-BA1) CIN7 15 pF Data Input/Output Capacitance (DQ0-DQ63) CouT 22 pF Data Input/Output Capacitance (CB0-7) CouT1 22 pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2002 Rev. 0 3 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com White Electronic Designs WED3DG72128V-D1 PRELIMINARY OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, TA = 0°C to +70°C) Version Parameter Symbol Conditions 133 100 Units Note 1,890 1,710 mA 1 Operating Current (One bank active) ICC1 Burst Length = 1 tRC ≥ tRC(min) IOL = 0mA Precharge Standby Current in Power Down Mode ICC2P CKE ≤ VIL(max), tCC = 10ns 145 ICC2PS CKE & CLK ≤ VIL(max), tCC = ∞ 135 ICC2N CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns Input signals are charged one time during 20 360 ICC2NS CKE ≥ VIH(min), CLK ≤VIL(max), tCC = ∞ Input signals are stable 180 ICC3P CKE ≥ VIL(max), tCC = 10ns 180 ICC3PS CKE & CLK ≤ VIL(max), tCC = ∞ 130 ICC3N CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are changed one time during 20ns 540 mA ICC3NS CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable 405 mA ICC4 Io = mA Page burst 4 Banks activated tCCD = 2CLK 1,890 1,620 mA 1 3,060 2,880 mA 2 Precharge Standby Current in Non-Power Down Mode Active Standby Current in Power-Down Mode Active Standby Current in Non-Power Down Mode Operating Current (Burst mode) Refresh Current ICC5 tRC ≥ tRC(min) Self Refresh Current ICC6 CKE ≤ 0.2V mA mA 130 mA mA 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. October 2002 Rev. 0 4 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG72128V-D1 White Electronic Designs Ordering Information Speed CAS Latency WED3DG72128V10D1 100MHz CL=2 WED3DG72128V7D1 133MHz CL=2 WED3DG72128V75D1 133MHz CL=3 PRELIMINARY PACKAGE DIMENSIONS ����� ��������� ���� ��� ��������� ��� ���� ����� ���� ��� ���� ���� ��� �� ����� ���� ±���� ���� ����� ���� ���� ALL DIMENSIONS ARE IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. October 2002 Rev. 0 5 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com