Cypress CY14E256L manual Document History

CY14E256L

Document History Page

Document Title: CY14E256L 256 Kbit (32K x 8) nvSRAM

Document Number: 001-06968

Rev.	ECN No.	Submission	Orig. of	Description of Change
		Date	Change
**	427789	See ECN	TUP	New data sheet
*A	437321	See ECN	TUP	Show data sheet on external Web
*B	472053	See ECN	TUP	Updated Part Numbering Nomenclature and Ordering Information
*C	503290	See ECN	PCI	Changed from “Advance” to “Preliminary”
				Changed the term “Unlimited” to “Infinite”
				Changed ICC3 value from 10mA to 15mA
				Removed Industrial Grade mention
				Removed 35 ns speed bin
				Removed ICC1 values from the DC table for 35 ns Industrial Grade
				Corrected VIL min specification from (VCC - 0.5) to (VSS - 0.5)
				Removed all references pertaining to OE controlled Software STORE and
				RECALL operation
				Changed the address locations of the software STORE/RECALL com-
				mand
				Updated Part Nomenclature Table and Ordering Information Table
*D	1349963	See ECN	UHA/SFV	Changed from “Preliminary” to “Final.” Updated AC Test Conditions
				Updated Ordering Information Table
*E	2427986	See ECN	GVCH	Move to external web
*F	2606744	02/19/09	GVCH/PYRS	Updated Feature Section
				Added 35 ns access speed specs
				Added CDIP package
				Removed HSB ganging feature
				Added footnote 5
				Updates all the notes
				Added Best practices
				Added Industrial specs
				Changed Icc3 from 15 mA to 10 mA
				Added ISB1 spec
				Added parameter VBL
				Changed VIH test conditions from -2 and 4 to -4 and 8mA
				Added footnote 6 and 7
				Added tVSBL and VRESET parameter to Autostore or Power-up Recall table
				Added Thermal resistance values
				Changed parameter tAS to tSA
				Renamed tGLAX to tHACE
				Renamed tRESTORE to tDHSB
				Updated Figure 13

Document Number: 001-06968 Rev. *F Page 17 of 18

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