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Switching waveforms – Cypress CY7C1223H User Manual

Page 13

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CY7C1223H

Document #: 38-05674 Rev. *B

Page 13 of 16

Read/Write Timing

[16, 18, 19]

Notes:

18. The data bus (Q) remains in High-Z following a Write cycle, unless a new read access initiated by ADSC or ADSP.
19. GW is HIGH.

Switching Waveforms

(continued)

tCYC

tCL

CLK

ADSP

tADH

tADS

ADDRESS

tCH

OE

ADSC

CE

tAH

tAS

A2

tCEH

tCES

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

BWE, BW

[A:B]

A3

DON’T CARE

UNDEFINED

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