DESCRIPTION
The IC42S81600 and IC42S16800 are high-speed 134,217,728-bit synchronous dynamic randomaccess memories, organized as 4,194,304 x 8 x 4 and 2,097,152 x 16 x 4 (word x bit x bank), respectively.

FEATURES
• Single 3.3V (± 0.3V) power supply
• High speed clock cycle time -6: 166MHz<3-3-3>, -7H: 133MHz<2-2-2>, -7: 133MHz<3-3-3>, -8: 100MHz<2-2-2>
• Fully synchronous operation referenced to clock rising edge
• Possible to assert random column access in every cycle
• Quad internal banks contorlled by BA0 & BA1 (Bank Select)
• Byte control by LDQM and UDQM for IC42S16800
• Programmable Wrap sequence (Sequential / Interleave)
• Programmable burst length (1, 2, 4, 8 and full page)
• Programmable CAS latency (2 and 3)
• Automatic precharge and controlled precharge
• CBR (Auto) refresh and self refresh
• X8, X16 organization
• LVTTL compatible inputs and outputs
• 4,096 refresh cycles / 64ms
• Burst termination by Burst stop and Precharge command
• Package 400mil 54-pin TSOP-2