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X28VC256DM-90 Fiches technique(PDF) 12 Page - Xicor Inc. |
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X28VC256DM-90 Fiches technique(HTML) 12 Page - Xicor Inc. |
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12 / 24 page ![]() X28VC256 12 A.C. CHARACTERISTICS (Over the recommended operating conditions, unless otherwise specified.) Read Cycle Limits X28VC256-45 X28VC256-55 X28VC256-70 X28VC256-90 –40 °C to 85°C –55°C to 125°C –55°C to 125°C –55°C to 125°C Symbol Parameter Min. Max. Min. Max. Min. Max. Min. Max. Units tRC Read Cycle Time 45 55 70 90 ns tCE Chip Enable Access Time 45 55 70 90 ns tAA Address Access Time 45 55 70 90 ns tOE Output Enable Access Time 30 30 35 40 ns tLZ (4) CE LOW to Active Output 0 0 0 0 ns tOLZ (4) OE LOW to Active Output 0 0 0 0 ns tHZ (4) CE HIGH to High Z Output 30 30 35 40 ns tOHZ (4) OE HIGH to High Z Output 30 30 35 40 ns tOH Output Hold From Address Change 0 0 0 0 ns 3869 PGM T10.1 Read Cycle 3869 FHD F05 Notes: (4) tLZ min., tHZ, tOLZ min. and tOHZ are periodically sampled and not 100% tested, tHZ and tOHZ are measured, with CL = 5pF, from the point whin CE, OE return HIGH (whichever occurs first) to the time when the outputs are no longer driven. tCE tRC ADDRESS CE OE WE DATA VALID DATA VALID tOE tLZ tOLZ tOH tAA tHZ tOHZ DATA I/O VIH HIGH Z |
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