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STK14C88-3W45 Scheda tecnica(PDF) 6 Page - List of Unclassifed Manufacturers |
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STK14C88-3W45 Scheda tecnica(HTML) 6 Page - List of Unclassifed Manufacturers |
6 / 13 page STK14C88-3 November 2003 6 Document Control # ML0015 rev 0.3 AutoStore™/POWER-UP RECALL (VCC = 3.0V-3.6V)e Note p: tRESTORE starts from the time VCC rises above VSWITCH. Note q: HSB is asserted low for 1µs when VCAP 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 STK14C88-3 UNITS NOTES Standard Alternate MIN MAX 27 tRESTORE Power-up RECALL Duration 550 µsp 28 tSTORE tHLHZ STORE Cycle Duration 10 ms n, q 29 tVSBL Low Voltage Trigger (VSWITCH) to HSB Low 300 ns l 30 tDELAY tBLQZ Time Allowed to Complete SRAM Cycle 1 µsn 31 VSWITCH Low Voltage Trigger Level 2.7 2.95 V 32 VRESET Low Voltage Reset Level 2.4 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 AutoStore™ HSB W 28 tSTORE 27 tRESTORE POWER-UP RECALL 31 VSWITCH 32 VRESET VCC DQ (DATA OUT) |
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