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Cypress CY14E102N Switching Waveforms continued, AutoStore or Power Up RECALL26, Advance, Vswitch

Models: CY14E102N CY14E102L

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		ADVANCE	CY14E102L, CY14E102N

Switching Waveforms (continued)

Figure 9. AutoStore or Power Up RECALL[26]

	STORE occurs only	No STORE occurs
VCC	if a SRAM write	without atleast one
VCC	has happened	SRAM write
	has happened	SRAM write

VSWITCH
tVCCRISE
AutoStore	tSTORE
tSTORE	tSTORE

POWER-UP RECALLtHRECALL

tHRECALL

Read & Write Inhibited

Figure 10. CE Controlled Software STORE/RECALL Cycle[19]

Note

26. Read and Write cycles are ignored during STORE, RECALL, and while VCC is below VSWITCH.

Document Number: 001-45755 Rev. *A

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Cypress manual Switching Waveforms continued, AutoStore or Power Up RECALL26, Advance, CY14E102L, CY14E102N, + Feedback

Contents

Logic Block Diagram FeaturesADVANCE CY14E102L, CY14E102NFigure 2. Pin Diagram - 44 TSOP II Top View Figure 1. Pin Diagram - 48 FBGA Top ViewPinouts Not to ScaleOutput Enable, Active LOW. The active LOW Figure 3. Pin Diagram - 54 TSOP II Top ViewByte High Enable, Active LOW. Controls DQ15 - DQ8 Byte Low Enable, Active LOW. Controls DQ7 - DQ0SRAM Read Device OperationSRAM Write AutoStore OperationPower Hardware RECALL Power UpSoftware STORE Software RECALLData Protection Preventing AutoStoreNoise Considerations Table 1. Mode Selection continuedMaximum Ratings DC Electrical CharacteristicsOperating Range RangeThermal Resistance CapacitanceAC Test Loads AC Test ConditionsParameters AC Switching Characteristics15 ns 20 nsSoftware Controlled STORE and RECALL Cycle AutoStore and Power Up RECALLHardware STORE Cycle CY14E102L/CY14E102NFigure 5. SRAM Read Cycle #1 Address Controlled12, 13 Switching WaveformsFigure 6. SRAM Read Cycle #2 CE and OE Controlled12, 23 ADVANCESwitching Waveforms continued Figure 8. SRAM Write Cycle #2 CE Controlled13, 21, 22ADVANCE CY14E102L, CY14E102NFigure 9. AutoStore or Power Up RECALL26 Switching Waveforms continuedFigure 10. CE Controlled Software STORE/RECALL Cycle19 POWER-UP RECALLFigure 12. Hardware STORE Cycle22 Figure 11. OE Controlled Software STORE/RECALL Cycle19Figure 13. Soft Sequence Processing20 Switching Waveforms continuedOrdering Information DiagramSpeed Ordering CodeDiagram Ordering Information continuedADVANCE CY14E102L, CY14E102NCY 14 E 102 L - ZS P 15 X C T Part Numbering NomenclatureADVANCE CY14E102L, CY14E102NFigure 14. 44-Pin TSOP Package DiagramsADVANCE CY14E102L, CY14E102NFigure 15. 48-Ball FBGA - 6 mm x 10 mm x 1.2 mm Package Diagrams continuedADVANCE CY14E102L, CY14E102NPackage Diagrams continued Figure 16. 54-Pin TSOPADVANCE CY14E102L, CY14E102NPSoC Solutions Sales, Solutions, and Legal InformationDocument History Page Worldwide Sales and Design Support