Cypress CY14B102N manual Advance, CY14E108L, CY14E108N, Switching Waveforms continued, + Feedback

Models: CY14E108N CY14B102N

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ADVANCE

CY14E108L, CY14E108N

Switching Waveforms (continued)

Figure 8. SRAM Write Cycle #2: CE Controlled[13, 21, 22, 23]

ADDRESS

tSA

BHE , BLE

DATA IN

DATA OUT

tWC

tSCE

tAW

tPWE

tBW

tSD

DATA VALID

HIGH IMPEDANCE

tHA

tHD

Figure 9. AutoStore or Power Up RECALL[24]

POWER-UP RECALLtHRECALL

tHRECALL

Read & Write Inhibited

Note

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

Document Number: 001-45524 Rev. *A

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Contents

Features Logic Block DiagramADVANCE CY14E108L, CY14E108NPinouts 48-FBGA9 44 - TSOP 12 Top View 13 not to scaleCY14E108L, CY14E108N Pin DefinitionsADVANCE Hardware RECALL Power Up Device OperationSRAM Read SRAM WriteSoftware STORE Software RECALLPower ADVANCEPreventing AutoStore Data ProtectionNoise Considerations ADVANCEDC Electrical Characteristics Maximum RatingsOperating Range ADVANCECapacitance Thermal ResistanceAC Test Conditions ADVANCEAC Switching Characteristics ADVANCECY14E108L, CY14E108N 10. WE must be HIGH during SRAM read cyclesAutoStore and Power Up RECALL Switching WaveformsSoftware Controlled STORE and RECALL Cycle Hardware STORE CycleSwitching Waveforms continued ADVANCECY14E108L, CY14E108N Figure 7. SRAM Write Cycle #1 WE Controlled 13, 21, 22Switching Waveforms continued POWER-UP RECALLADVANCE CY14E108L, CY14E108NSwitching Waveforms continued α α α αα α α α α α ADVANCESwitching Waveforms continued ADVANCECY14E108L, CY14E108N Figure 12. Hardware STORE Cycle20Ordering Information ADVANCECY14E108L, CY14E108N Ordering Information continued Part Numbering NomenclatureADVANCE CY14E108L, CY14E108NPackage Diagrams ADVANCECY14E108L, CY14E108N Figure 14. 44-Pin TSOP IIPackage Diagrams continued ADVANCECY14E108L, CY14E108N Figure 15. 48-ball FBGA - 6 mm x 10 mm x 1.2 mmPackage Diagrams continued ADVANCECY14E108L, CY14E108N Figure 16. 54-Pin TSOP IISales, Solutions, and Legal Information PSoC SolutionsDocument History Page Worldwide Sales and Design Support