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1024K/512K x18 SYNCHRONOUS DUAL QDR-IITM
PRELIMINARY DATASHEET IDT70P3307 IDT70P3337
®
Features
◆ 18Mb Density (1024K x 18) – Also available 9Mb Density (512K x 18)
◆ QDR-II x 18 Burst-of-2 Interface – Commercial: 233MHz, 250MHz
◆ Separate, Independent Read and Write Data Ports – Supports concurrent transactions
◆ Dual Echo Clock Output ◆ Two-Word Burst on all DPRAM accesses ◆ DDR (Double Data Rate) Multiplexed Address Bus
– One Read and One Write request per clock cycle ◆ DDR (Double Data Rate) Data Buses
– Four word burst data (Two Read and Two Write) per clock on each port
– Four word transfers per clock cycle per port (four word bursts
on 2 ports) ◆ Port Enable pins (E0,E1) for depth expansion ◆ Dual Echo Clock Output with DLL-based phase alignment ◆ High Speed Transceiver Logic in