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Switching waveforms, Continued) – Cypress CY7C1347G User Manual

Page 13

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CY7C1347G

Document #: 38-05516 Rev. *F

Page 13 of 22

Figure 6. Write Cycle Timing

[16, 17]

Switching Waveforms

(continued)

t CYC

tCL

CLK

ADSP

tADH

tADS

ADDRESS

tCH

OE

ADSC

CE

tAH

tAS

A1

tCEH

tCES

BWE,

BW[A :B]

Data Out (Q)

High-Z

ADV

BURST READ

BURST WRITE

D(A2)

D(A2 + 1)

D(A2 + 1)

D(A1)

D(A3)

D(A3 + 1)

D(A3 + 2)

D(A2 + 3)

A2

A3

Data In (D)

Extended BURST WRITE

D(A2 + 2)

Single WRITE

tADH

tADS

tADH

tADS

t

OEHZ

t

ADVH

t

ADVS

tWEH

tWES

tDH

tDS

GW

tWEH

tWES

Byte write signals are
ignored for first cycle when
ADSP initiates burst

ADSC extends burst

ADV suspends burst

DON’T CARE

UNDEFINED

Note

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

x

LOW.

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