White Electronic Designs 32Mx64 DDR SDRAM FEATURES „ „ DDR SDRAM rate = 200, 250, 266, 333Mb/s Package: • „ „ „ „ „ „ „ 219 Plastic Ball Grid Array (PBGA), 25mm x 25mm, 625mm2 W3E32M64S-XBX BENEFITS „ „ „ „ „ 41% SPACE SAVINGS vs.
TSOP Reduced part count Reduced trace lengths for lower parasitic capacitance Suitable for hi-reliability applications Laminate interposer for optimum TCE match 2.
5V ±0.
2V core power supply 2.
5V I/O (SSTL_2 compatible) Differential clock inputs (CK and CK#) Commands entered on each positive CK edge Internal pipelined double-data-rate (DDR) architecture; two data accesses per clock cycle Programmable Burst length: 2,4 or 8 Bidirectional data strobe (DQS) transmit...

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