WED3DG7232V-D1 White Electronic Designs 256MB- 32Mx72 SDRAM UNBUFFERED FEATURES DESCRIPTION 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 WED3DG7232V is a 32Mx72 synchronous DRAM module which consists of nine 32Mx8 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 subject to change without notice. PIN NAMES PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PIN FRONT PIN BACK PIN FRONT PIN BACK PIN FRONT PIN BACK 1 VSS 2 VSS 49 DQ13 50 DQ45 97 DQ22 98 DQ54 3 DQ0 4 DQ32 51 DQ14 52 DQ46 99 DQ23 100 DQ55 5 DQ1 6 DQ33 53 DQ15 54 DQ47 101 VCC 102 VCC 7 DQ2 8 DQ34 55 VSS 56 VSS 103 A6 104 A7 9 DQ3 10 DQ35 57 CB0 58 CB4 105 A8 106 BA0 11 VCC 12 VCC 59 CB1 60 CB5 107 VSS 108 VSS 13 DQ4 14 DQ36 61 CLK0 62 CKE0 109 A9 110 BA1 15 DQ5 16 DQ37 63 VCC 64 VCC 111 A10 112 A11 17 DQ6 18 DQ38 65 RAS# 66 CAS# 113 VCC 114 VCC 19 DQ7 20 DQ39 67 WE# 68 NC 115 DQMB2 116 DQMB6 21 VSS 22 VSS 69 SO# 70 NC 117 DQMB3 118 DQMB7 23 DQMB0 24 DQB4 71 NC 72 NC 119 VSS 120 VSS 25 DQMB1 26 DQB5 73 NC 74 CLK1 121 DQ24 122 DQ56 27 VCC 28 VCC 75 VSS 76 VSS 123 DQ25 124 DQ57 29 A0 30 A3 77 CB2 78 CB6 125 DQ26 126 DQ58 31 A1 32 A4 79 CB3 80 CB7 127 DQ27 128 DQ59 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 VSS 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 A0 – A12 BA0-1 DQ0-63 CB0-7 CLK0,CLK1 CKE0 CS0 RAS# CAS# WE# DQM0-7 VCC VSS SDA SCL DNU NC Address Input (Multiplexed) Select Bank Data Input/Output Check Bit (Data-in/data-out) 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 White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 1 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG7232V-D1 White Electronic Designs FUNCTIONAL BLOCK DIAGRAM ��� ��� ����� ����� ��� ��� ��� ��� ��� ��� ��� ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � � ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� �� ���� ���� ���� ���� ���� ����� � ��� �� ���� � ����� ��� ��� ��� ���� ���� ���� ���� ���� ���� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � � ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� �� ���� ���� ���� ���� ���� � ��� �� ����� ��� ��� ��� ��� ��� ��� ��� ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � � ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� �� ���� ���� ���� ���� ���� ����� � ��� �� ����� ��� ���� ���� ���� ���� ���� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� ���� ���� ���� ���� ���� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� � ��� ��� ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� � ���� ���� ���� �� ���� ���� ���� ���� ���� � ��� �� ����� ��� � ��� �� ������� ������ ���� ���� ���� ������ ����� ����� ����� ������������� ����� ������������� ����� ����� �������������� ������� ����� �������� ����� �������� ��������������������������������������������� ������� ������ ��������� ������ ����� �������� ������ ����� ���������� ��� ��� ����� ��� ����� ��� �� �� �� White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 2 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG7232V-D1 White Electronic Designs 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 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 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 ILI -10 — 10 µA 3 Input Leakage Current 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 ≤ 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 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-CB7) COUT1 22 pF White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 3 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com White Electronic Designs WED3DG7232V-D1 OPERATING CURRENT CHARACTERISTICS (VCC = 3.3V, TA = 0°C ≤ +70°C) Version Parameter Symbol Conditions 133 100 Units Note 1,080 990 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 20 ICC2PS CKE & CLK ≤ VIL(max), tCC = ∞ 20 Icc2N CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns Input signals are charged one time during 20 150 Icc2NS CKE ≥ VIH(min), CLK ≤VIL(max), tCC = ∞ Input signals are stable 130 ICC3P CKE ≥ VIL(max), tCC = 10ns 60 ICC3PS CKE & CLK ≤ VIL(max), tCC = ∞ 60 ICC3N CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input signals are changed one time during 20ns 270 mA ICC3NS CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞ Input signals are stable 225 mA ICC4 Io = mA Page burst 4 Banks activated tCCD = 2CLK 1,260 1,980 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 30 mA 1,035 mA 1 1,890 mA 2 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. June 2003 Rev. 1 4 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com WED3DG7232V-D1 White Electronic Designs Ordering Information WED3DG7232V10D1 WED3DG7232V7D1 WED3DG7232V75D1 Speed 100MHz 133MHz 133MHz CAS Latency CL=2 CL=2 CL=3 Note: For industrial temperature range product, add an "I" to the end of the part number. PACKAGE DIMENSIONS ���������� ��������� ���� ���� ��������� ���� ����� ���� ���� ���� ��� ���� ��� �� ����� ���� ±���� ���� ����� ���� ���� ALL DIMENSIONS ARE IN INCHES White Electronic Designs Corp. reserves the right to change products or specifications without notice. June 2003 Rev. 1 5 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com