Cypress CY7C1347G manual Switching Waveforms continued, Write Cycle Timing16, + Feedback

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Switching Waveforms (continued)

CY7C1347G

Switching Waveforms (continued)

Figure 6. Write Cycle Timing[16, 17]

CLK

ADSP

ADSC

ADDRESS

BWE, BW[A :B]

GW

CE

ADV

OE

Data In (D)

t CYC

tCH

tCL

tADS

tADH

tADS

tADH

ADSC extends burst

tADS

tADH

tAS

tAH

A1

A2

A3

Byte

write signals

are

ignored for first cycle when

tWES

tWEH

ADSP initiates burst

tWES tWEH

tCES

tCEH

tADVS

tADVH

ADV suspends burst

tDS

tDH

High-Z

t

D(A1)

D(A2)

D(A2 + 1)

D(A2 + 1)

D(A2 + 2)

D(A2 + 3)

D(A3)

D(A3 + 1)

D(A3 + 2)

OEHZ

Data Out (Q)

BURST READ

Single WRITE

BURST WRITE

Extended BURST WRITE

DON’T CARE

UNDEFINED

Note

17. Full width write can be initiated by either GW LOW, or by GW HIGH, BWE LOW, and BWx LOW.

Document #: 38-05516 Rev. *F

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Contents CY7C1347G FeaturesSelection Guide Functional Description1ADDRESS Block DiagramREGISTER ADSCCY7C1347G PinoutsCY7C1347G Table 1. Pin Definitions CY7C1347GName DescriptionSingle Write Accesses Initiated by ADSP Single Read AccessesSingle Write Accesses Initiated by ADSC Functional Overview2. X = “Do Not Care.” H = Logic HIGH, L = Logic LOW Table 5. Truth Table 2, 3, 4, 5 Maximum Ratings Electrical CharacteristicsOperating Range VDDQCapacitance Electrical Characteristics continuedThermal Resistance AC Test Loads and WaveformsSwitching Characteristics Figure 5. Read Cycle Timing16 Switching WaveformsFigure 6. Write Cycle Timing16 Switching Waveforms continuedPage 14 of Figure 7. Read/Write Cycle Timing16, 1819. GW is HIGH ALL INPUTS except ZZ 21. DQs are in high-Z when exiting ZZ sleep modeOrdering Information Ordering Information continued Figure 9. 100-Pin Thin Plastic Quad Flatpack 14 x 20 x 1.4 mm Package DiagramsFigure 10. 119-Ball BGA 14 x 22 x 2.4 mm Package Diagrams continuedFigure 11. 165-Ball FBGA 13 x 15 x 1.4 mm PACKAGE WEIGHT 0.475gPage 20 of Document Title CY7C1347G 4-Mbit 128K x 36 Pipelined Sync SRAM Document History PageDocument Number SubmissionPSoC Solutions Sales, Solutions, and Legal InformationWorldwide Sales and Design Support Products