データシートサーチシステム |
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STK12C68-P45 データシート(PDF) 6 Page - List of Unclassifed Manufacturers |
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STK12C68-P45 データシート(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 12 page STK12C68 July 1999 4-46 AutoStore™/POWER-UP RECALL (VCC = 5.0V ± 10%) b, f Note t: tRESTORE starts from the time VCC rises above VSWITCH. Note u: HSB is asserted low for 1 µs when V CAP drops through VSWITCH. If an SRAM WRITE has not taken place since the last nonvolatile cycle, HSB will be released and no STORE will take place. AutoStore™/POWER-UP RECALL NO. SYMBOLS PARAMETER STK12C68 UNITS NOTES Standard Alternate MIN MAX 27 tRESTORE Power-up RECALL Duration 550 µst 28 tSTORE tHLHZ STORE Cycle Duration 10 ms q, r, u 29 tVSBL Low Voltage Trigger (VSWITCH) to HSB Low 300 ns m 30 tDELAY tBLQZ Time Allowed to Complete SRAM Cycle 1 µsq 31 VSWITCH Low Voltage Trigger Level 4.0 4.5 V 32 VRESET Low Voltage Reset Level 3.9 V 30 tDELAY 29 tVSBL POWER-UP RECALL BROWN OUT NO STORE (NO SRAM WRITES) NO RECALL (VCC DID NOT GO BELOW VRESET) BROWN OUT AutoStore™ NO RECALL (VCC DID NOT GO BELOW VRESET) BROWN OUT AutoStore™ RECALL WHEN VCC RETURNS ABOVE VSWITCH AutoStoreTM HSB W DQ (DATA OUT) 28 tSTORE 27 tRESTORE POWER-UP RECALL 31 VSWITCH 32 VRESET VCC |
同様の部品番号 - STK12C68-P45 |
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同様の説明 - STK12C68-P45 |
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