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XM28C020I-15 Datasheet(PDF) 11 Page - Xicor Inc. |
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XM28C020I-15 Datasheet(HTML) 11 Page - Xicor Inc. |
11 / 16 page XM28C020 11 A.C. CONDITIONS OF TEST Input Pulse Levels 0V to 3V Input Rise and Fall Times 10ns Input and Output Timing Levels 1.5V Output Load 1 TTL Gate and CL = 100pF 3872 PGM T05.1 3872 FHD F03 MODE SELECTION CE OE WE Mode I/O Power L L H Read DOUT Active L H L Write DIN Active H X X Standby and Write Inhibit High Z Standby X L X Write Inhibit — — X X H Write Inhibit — — 3872 PGM T06 A.C. CHARACTERISTICS XM28C020 TA = 0°C to +75°C, VCC = +5V ±10%, unless otherwise specified. XM28C020I TA = –40°C to +85°C, VCC = +5V ±10%, unless otherwise specified. XM28C020M TA = –55°C to +125°C, VCC = +5V ±10%, unless otherwise specified. Read Cycle Limits XM28C020-15 XM28C020-20 XM28C020-25 Symbol Parameter Min. Max. Min. Max. Min. Max. Units tRC Read Cycle Time 150 200 250 ns tCE Chip Enable Access Time 150 200 250 ns tAA Address Access Time 150 200 250 ns tOE Output Enable Access Time 70 80 100 ns tLZ(3) CE Low to Active Output 0 0 0 ns tOLZ(3) OE Low to Active Output 0 0 0 ns tHZ(4) CE High to High Z Output 100 100 100 ns tOHZ(4) OE High to High Z Output 100 100 100 ns tOH Output Hold From Address Change 0 0 0 ns 3872 PGM T07.1 Read Cycle tCE tRC ADDRESS CE OE WE DATA VALID DATA VALID tOE tLZ tOLZ tOH tAA tHZ tOHZ DATA I/O VIH HIGH Z Note: (3) tLZ and tOLZ are shown for reference only, they are periodically characterized and are not 100% tested. (4) tHZ and tOHZ are measured from the point when CE or OE return high (whichever occurs first) to the time when the outputs are no longer driven. |
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