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UL631H256SC45 Datasheet(PDF) 3 Page - Simtek Corporation |
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UL631H256SC45 Datasheet(HTML) 3 Page - Simtek Corporation |
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3 / 13 page  UL631H256 3 March 31, 2006 STK Control #ML0057 Rev 1.0 b: ICC1 and ICC3 are dependent on output loading and cycle rate. The specified values are obtained with outputs unloaded The current ICC1 is measured for WRITE/READ - ratio of 1/2. c: ICC2 is the average current required for the duration of the STORE cycle (tSTORE). d: Bringing E ≥ VIH will not produce standby current levels until any nonvolatile cycle in progress has timed out. The current ICC(SB)1 is measured for WRITE/READ - ratio of 1/2. DC Characteristics Symbol Conditions C-Type K-Type Unit Min. Max. Min. Max. Operating Supply Currentb ICC1 VCC VIL VIH tc tc = 3.6 V = 0.8 V = 2.2 V = 35 ns = 45 ns 45 35 47 37 mA mA Average Supply Current during STOREc ICC2 VCC E W VIL VIH = 3.6 V ≥ VCC-0.2 V ≥ VCC-0.2 V ≤ 0.2 V ≥ VCC-0.2 V 34 mA Average Supply Current at tcR = 200 nsb (Cycling CMOS Input Levels) ICC3 VCC W VIL VIH = 3.6V ≥ VCC-0.2 V ≤ 0.2 V ≥ VCC-0.2 V 10 11 mA Standby Supply Currentd (Cycling TTL Input Levels) ICC(SB)1 VCC E tc tc = 3.6 V ≥ VIH = 35ns = 45 ns 11 9 12 10 mA mA Standby Supply Curentd (Stable CMOS Input Levels) ICC(SB) VCC E VIL VIH = 3.6 V ≥ VCC-0.2 V ≤ 0.2 V ≥ VCC-0.2 V 0.7 0.7 mA Recommended Operating Conditions Symbol Conditions Min. Max. Unit Power Supply Voltage VCC tc = 35 ns tc = 45 ns 3.0 2.7 3.6 3.6 V V Input Low Voltage VIL -2 V at Pulse Width 10 ns permitted -0.3 0.8 V Input High Voltage VIH 2.2 VCC+0.3 V |
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