IS42S81600D IS42S16800D 16Meg x 8, 8Meg x16 128-MBIT SYNCHRONOUS DRAM JULY 2008 FEATURES • Clock frequency: 166, 143, 133 MHz • Fully synchronous; all signals referenced to a positive clock edge • Internal bank for hiding row access/precharge • Power supply IS42S81600D VDD VDDQ 3.
3V 3.
3V IS42S16800D 3.
3V 3.
3V • LVTTL interface • Programmable burst length – (1, 2, 4, 8, full page) • Programmable burst sequence: Sequential/Interleave • Auto Refresh (CBR) • Self Refresh with programmable refresh periods • 4096 refresh cycles every 64 ms • Random column address every clock cycle • Programmable CAS latency (2, 3 clocks) • Burst read/write and burst read/single write operations c...

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