Cypress CY7C1329H manual Write Cycle Timing17

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CY7C1329H

Switching Waveforms (continued)

Write Cycle Timing[17, 18]

CLK

ADSP

ADSC

ADDRESS

BWE,

BW[A :D]

GW

CE

ADV

OE

Data In (D)

 

 

tCYC

 

 

 

 

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

D(A1)

D(A2)

D(A2 + 1)

D(A2 + 1)

D(A2 + 2)

D(A2 + 3)

D(A3)

D(A3 + 1)

D(A3 + 2)

 

t

 

 

 

 

 

 

 

 

 

OEHZ

 

 

 

 

 

 

 

 

Data Out (Q)

BURST READ

Single WRITE

 

BURST WRITE

DON’T CARE

UNDEFINED

Extended BURST WRITE

Note:

18. Full width Write can be initiated by either GW LOW; or by GW HIGH, BWE LOW and BW[A : D] LOW.

Document #: 38-05673 Rev. *B

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Contents Features Logic Block DiagramCypress Semiconductor Corporation Pin Configuration Selection GuideCY7C1329H 166 MHz 133 MHz UnitPin Definitions Functional Overview Burst SequencesInterleaved Burst Address Table Mode = Floating or VDD First Second Third Fourth Address A1, A0Truth Table for Read/Write 2 Next Cycle Add. UsedFunction CY7C1329H Electrical Characteristics Over the Operating Range8 Maximum RatingsOperating Range Ambient RangeCapacitance10 Thermal ResistanceAC Test Loads and Waveforms Switching Characteristics Over the Operating Range 11 Switching Waveforms Read Cycle Timing17Write Cycle Timing17 Read/Write Cycle Timing17, 19 CLZZZ Mode Timing21 DON’T CarePackage Diagram Ordering InformationPin Tqfp 14 x 20 x 1.4 mm Issue Date Orig. Description of Change Document History