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Switching waveforms, Continued) – Cypress CY7C1380FV25 User Manual

Page 22

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CY7C1380DV25, CY7C1380FV25
CY7C1382DV25, CY7C1382FV25

Document #: 38-05546 Rev. *E

Page 22 of 29

Read/Write Cycle Timing

[25, 27, 28]

Switching Waveforms

(continued)

tCYC

tCL

CLK

ADSP

tADH

tADS

ADDRESS

tCH

OE

ADSC

CE

tAH

tAS

A2

tCEH

tCES

BWE,

BW

X

Data Out (Q)

High-Z

ADV

Single WRITE

D(A3)

A4

A5

A6

D(A5)

D(A6)

Data In (D)

BURST READ

Back-to-Back READs

High-Z

Q(A2)

Q(A1)

Q(A4)

Q(A4+1)

Q(A4+2)

tWEH

tWES

Q(A4+3)

tOEHZ

tDH

tDS

tOELZ

tCLZ

tCO

Back-to-Back

WRITEs

A1

DON’T CARE

UNDEFINED

A3

Notes:

27. The data bus (Q) remains in high-Z following a write cycle, unless a new read access is initiated by ADSP or ADSC.
28. GW is HIGH.

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