Cypress CY7C1298H manual Write Timing16, Address A1 A2

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CY7C1298H

Switching Waveforms (continued)

Write Timing[16, 17]

tCYC

CLK

tCH tCL

tADS tADH

ADSP

tADS tADH

ADSC

tAS tAH

ADDRESS A1 A2

Byte write signals are ignored for first cycle when

ADSP initiates burst

ADSC extends burst

tADS tADH

A3

tWES tWEH

BWE,

BW[A:B]

tWES tWEH

GW

tCES tCEH

CE

tADVS tADVH

ADV

ADV suspends burst

OE

Data in (D)

High-Z

Data Out (Q)

tOEHZ

tt

DS DH

D(A1)

D(A2)

D(A2 + 1)

D(A2 + 1) D(A2 + 2)

D(A2 + 3)

D(A3)

D(A3 + 1) D(A3 + 2)

BURST READ Single WRITE BURST WRITE DON’T CARE

Extended BURST WRITE

UNDEFINED

Note:

17. Full width write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW[A:B] LOW.

Document #: 38-05665 Rev. *B

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Contents Features Selection Guide Functional Description1166 MHz 133 MHz Unit Cypress Semiconductor CorporationFunctional Block Diagram CY7C1298HPin Configurations Pin Tqfp CY7C1298HTop View Pin Descriptions Sleep Mode Functional OverviewBurst Sequences Interleaved ‘Burst Address Table Mode = Floating or VDD Linear Burst Address Table Mode = GNDFirst Second Third Fourth Address A1, A0ZZ Mode Electrical Characteristics FunctionParameter Description Test Conditions Min Max Unit Electrical Characteristics Over the Operating Range7,8 Maximum RatingsOperating Range Ambient RangeThermal Characteristics9 Capacitance9AC Test Loads and Waveforms Switching Characteristics Over the Operating Range 14 Switching Waveforms Read Timing16Write Timing16 Address A1 A2Read/Write Timing16, 18 ZZ Mode Timing20 DON’T CarePackage Diagram Ordering InformationPin Tqfp 14 x 20 x 1.4 mm Issue Date Orig. Description of Change Document History