
White Electronic Designs Corporation
DESCRIPTION
The WED3DL328V is an 8Mx32 Synchronous DRAM configured as 4x2Mx32. The SDRAM BGA is constructed with two 8Mx16 SDRAM die mounted on a multi-layer laminate substrate and packaged in a 119 lead, 14mm by 22mm, BGA.
FEATURES
■ 53% Space Savings vs. Monolithic Solution
■ Reduced System Inductance and Capacitance
■ Pinout and Footprint Compatible to SSRAM 119 BGA
■ 3.3V Operating Supply Voltage
■ Fully Synchronous to Positive Clock Edge
■ Clock Frequencies of 133MHZ, 125MHZ and 100MHZ
■ Burst Operation
■ Sequential or Interleave
■ Burst Length = Programmable 1, 2, 4, 8 or Full Page
■ Burst Read and Write
■ Multiple Burst Read and Single Write
■ Data Mask Control Per Byte
■ Auto and Self Refresh
■ Automatic and Controlled Precharge Commands
■ Suspend Mode and Power Down Mode
■ 119 Pin BGA, JEDEC MO-163