link to page 7 link to page 9 link to page 9 STK14C88CData Retention and Endurance Over the Operating Range ParameterDescriptionMinUnit DATAR Data retention Industrial 20 Years Military 1 NVC Nonvolatile STORE operations Industrial 1,000 K Military 100 CapacitanceParameter [8] DescriptionTest ConditionsMaxUnit CIN Input capacitance (except HSB) TA = 25 C, f = 1 MHz, VCC = VCC(Typ) 7 pF Input capacitance (for HSB) 8 pF COUT Output capacitance (except HSB) 7 pF Output capacitance (for HSB) 8 pF Thermal ResistanceParameter [8] DescriptionTest Conditions32-pin CDIPUnit JA Thermal resistance Test conditions follow standard test methods and 22.3 C/W (junction to ambient) procedures for measuring thermal impedance, in accordance with EIA/JESD51. JC Thermal resistance 11 C/W (junction to case) AC Test LoadsFigure 3. AC Test Loads 963 963 for tri-state specs 5.0 V 5.0 V R1 R1 OUTPUT OUTPUT 30 pF R2 5 pF R2 512 512 AC Test Conditions Input Pulse Levels ...0 V to 3 V Input Rise and Fall Times (10% to 90%) .. < 3 ns Input and Output Timing Reference Levels .. 1.5 V Note 8. These parameters are guaranteed by design and are not tested. Document Number: 002-23965 Rev. *A Page 9 of 21 Document Outline 256-Kbit (32K × 8) nvSRAM Features Functional Description Logic Block Diagram Contents Pinout Pin Definitions Device Operation SRAM Read SRAM Write AutoStore Operation Hardware STORE Operation Hardware RECALL (Power-up) Software STORE Software RECALL Preventing AutoStore Data Protection Maximum Ratings Operating Range DC Electrical Characteristics Data Retention and Endurance Capacitance Thermal Resistance AC Test Loads AC Test Conditions AC Switching Characteristics SRAM Read Cycle SRAM Write Cycle Switching Waveforms AutoStore/Power-up RECALL Switching Waveforms Software Controlled STORE/RECALL Cycle Switching Waveforms Hardware STORE Cycle Switching Waveforms Truth Table For SRAM Operations Ordering Information Ordering Code Definitions for Industrial Temperature Ordering Code Definitions for Military Temperature Package Diagram Acronyms Document Conventions Units of Measure Document History Page Sales, Solutions, and Legal Information Worldwide Sales and Design Support Products PSoC® Solutions Cypress Developer Community Technical Support