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STK17T88-RF45ITR Fiches technique(PDF) 8 Page - Simtek Corporation |
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STK17T88-RF45ITR Fiches technique(HTML) 8 Page - Simtek Corporation |
8 / 29 page 8 Jan, 2008 Document Control #ML0024 Rev 2.0 STK17T88 AutoStore™/POWER-UP RECALL note i: tHRECALL starts from the time VCC rises above VSWITCH note j: If an SRAM WRITE has not taken place since the last nonvolatile cycle, no STORE will take place note k: Industrial Grade Devices require 15 ms MAX. AutoStore™/POWER-UP RECALL NO. SYMBOLS PARAMETER STK17T88 UNITS NOTES Standard Alternate MIN MAX 22 tHRECALL Power-up RECALL Duration 40 ms i 23 tSTORE tHLHZ STORE Cycle Duration 12.5 ms j,k 24 VSWITCH Low Voltage Trigger Level 2.65 V 25 VCCRISE VCC Rise Time 150 μS POWER-UP RECALL VCC 23 tSTORE 22 tHRECALL 24 VSWITCH AutoStore TM POWER DOWN AutoStore TM BROWN OUT AutoStore TM POWER-UP RECALL Read & Write Inhibited 25 tVCCRISE 23 tSTORE 22 tHRECALL POWER-UP RECALL STORE occurs only if a SRAM write has happened. No STORE occurs without at least one SRAM write. Note: Read and Write cycles will be ignored during STORE, RECALL and while VCC is below VSWITCH |
Numéro de pièce similaire - STK17T88-RF45ITR |
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Description similaire - STK17T88-RF45ITR |
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