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UL635H256S2C35 Datasheet(PDF) 3 Page - Simtek Corporation |
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UL635H256S2C35 Datasheet(HTML) 3 Page - Simtek Corporation |
3 / 14 page UL635H256 3 March 31, 2006 STK Control #ML0059 Rev 1.0 b: ICC1 and ICC3 are depedent 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 and ICC4 are the average currents required for the duration of the respective STORE cycles. d: Bringing E ≥ VIH will not produce standby current levels until any nonvolatile cycle in progress has timed out. See MODE SELECTION table. 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 duringc STORE ICC2 VCC E W VIL VIH = 3.6 V ≤ 0.2 V ≥ VCC-0.2 V ≤ 0.2 V ≥ VCC-0.2 V 34 mA Operating Supply Currentb at tcR = 200 ns (Cycling CMOS Input Levels) ICC3 VCC W VIL VIH = 3.6 V ≥ VCC-0.2 V ≤ 0.2 V ≥ VCC-0.2 V 10 11 mA Average Supply Current duringc PowerStore Cycle ICC4 VCC VIL VIH = VCCmin = 0.2 V ≥ VCC-0.2 V 22 mA Standby Supply Currentd (Cycling TTL Input Levels) ICC(SB)1 VCC E tc tc = 3.6 V = VIH = 35 ns = 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 11 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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