Datasheet STK14CA8C (Infineon) - 8

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STK14CA8C DC Electrical Characteristics
(continued) Over the Operating Range
Parameter Description Test Conditions Min Typ
[3]
Max Unit
VIH Input HIGH voltage Industrial 2.0 – VCC + 0.5 V Military 2.2 – VCC + 0.5 V VIL Input LOW voltage VSS – 0.5 – 0.8 V VOH Output HIGH voltage IOUT = –2 mA 2.4 – – V VOL Output LOW voltage IOUT = 4 mA – – 0.4 V V [5] CAP Storage capacitor Between VCAP pin and VSS 61 68 180 F V [6, 7] VCAP Maximum voltage driven on VCAP VCC = Max – – VCC – 0.5 V pin by the device
Notes
5. Min VCAP value guarantees that there is a sufficient charge available to complete a successful AutoStore operation. Max VCAP value guarantees that the capacitor on VCAP is charged to a minimum voltage during a Power-Up RECALL cycle so that an immediate power-down cycle can complete a successful AutoStore. Therefore it is always recommended to use a capacitor within the specified min and max limits. Refer application note AN43593 for more details on VCAP options. 6. Maximum voltage on VCAP pin (VVCAP) is provided for guidance when choosing the VCAP capacitor. The voltage rating of the VCAP capacitor across the operating temperature range should be higher than the VVCAP voltage. 7. These parameters are guaranteed by design and are not tested. Document Number: 002-23970 Rev. *A Page 8 of 21 Document Outline 1-Mbit (128K × 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