WED3DG6466V-AD1

www.datasheet4u.com White Electronic Designs WED3DG6466V-AD1 512MB - 64Mx64 SDRAM UNBUFFERED FEATURES 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 Ultra-low package height: AD1: 27.94 mm (1.1”) * This product is subject to change without notice. DESCRIPTION The WED3DG6466V is a 64Mx64 synchronous DRAM module which consists of eight 64Mx8 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 144 pin SO-DIMM multilayer FR4 Substrate. NOTE: Because of the low package height, there are no termination resistors. PIN CONFIGURATIONS (FRONT SIDE/BACK SIDE) PINOUT PIN 1 3 5 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 July 2005 Rev. 3 PIN NAMES A0 – A12 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 BACK DQ54 DQ55 VCC A7 BA0 VSS BA1 A11 VCC DQMB6 DQMB7 VSS DQ56 DQ57 DQ58 DQ59 VCC DQ60 DQ61 DQ62 DQ63 VSS SCL VCC White Electronic Designs Corporation (602) 437-1520 www.wedc.com FRONT VSS DQ0 DQ1 DQ2 DQ3...