Cypress Perform STK14D88 Manuel d'utilisateur

STK14D8832Kx8 AutoStore™ nvSRAMCypress Semiconductor Corporation • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600Document Number: 001-520

STK14D88Document Number: 001-52037 Rev. ** Page 10 of 17Mode SelectionE W G A14–A0Mode IO Power NotesH X X X Not Selected Output High Z StandbyL H L X

STK14D88Document Number: 001-52037 Rev. ** Page 11 of 17nvSRAM OperationnvSRAMThe STK14D88 nvSRAM is made up of two functional compo-nents paired in t

STK14D88Document Number: 001-52037 Rev. ** Page 12 of 17To initiate the software STORE cycle, the following READsequence must be performed:1. Read Add

STK14D88Document Number: 001-52037 Rev. ** Page 13 of 17Figure 13. Current versus Cycle TimeNoise ConsiderationsThe STK14D88 is a high-speed memory a

STK14D88Document Number: 001-52037 Rev. ** Page 14 of 17Ordering CodesPart Numbering Nomenclature Packaging Option:TR = Tape and ReelBlank = TubeSpeed

STK14D88Document Number: 001-52037 Rev. ** Page 15 of 17Package DiagramsFigure 14. 32-Pin (300 Mil) SOIC (51-85127)PIN 1 IDSEATING PLANE11617 32DIMEN

STK14D88Document Number: 001-52037 Rev. ** Page 16 of 17Figure 15. 48-Pin (300 Mil) SSOP (51-85061)Package Diagrams (continued)51-85061-*C[+] Feedbac

Document Number: 001-52037 Rev. ** Revised March 02, 2009 Page 17 of 17AutoStore and QuantumTrap are registered trademarks of Cypress Semiconductor Co

STK14D88Document Number: 001-52037 Rev. ** Page 2 of 17Pin ConfigurationsFigure 1. Pin Diagram 48-Pin SSOP/32-SOICPin DescriptionsPin Name I/O Descr

STK14D88Document Number: 001-52037 Rev. ** Page 3 of 17Absolute Maximum RatingsVoltage on Input Relative to Ground...–0.5V to 4.1VVoltag

STK14D88Document Number: 001-52037 Rev. ** Page 4 of 17VOLOutput Logic “0” Voltage 0.4 0.4 V IOUT = 4mA TAOperating Temperature 0 70 -40 85 °CVCCOpera

STK14D88Document Number: 001-52037 Rev. ** Page 5 of 17 Figure 5. SRAM READ Cycle 2: E Controlled [4, 7] SRAM READ Cycles #1 and #2NO.SymbolsParamete

STK14D88Document Number: 001-52037 Rev. ** Page 6 of 17SRAM WRITE Cycle #1 and #2NO.SymbolsParameterSTK14D88-25 STK14D88-35 STK14D88-45 UnitMin Max

STK14D88Document Number: 001-52037 Rev. ** Page 7 of 17AutoStore/POWER UP RECALLNo. Symbols Alt. ParameterSTK14D88Unit NotesMin Max22 tRECALLPower up

STK14D88Document Number: 001-52037 Rev. ** Page 8 of 17Software-Controlled STORE/RECALL Cycle[13, 14]No.SymbolsParameterSTK14D88-25 STK14D88-35 STK1

STK14D88Document Number: 001-52037 Rev. ** Page 9 of 17Hardware STORE CycleNO.SymbolsParameterSTK14D88Unit NotesStandard Alternate Min Max31 tDELAYtHL