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Switching waveforms, Continued) – Cypress CY7C1215H User Manual

Page 12

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CY7C1215H

Document #: 38-05666 Rev. *B

Page 12 of 15

Read/Write Cycle Timing

[16, 18, 19]

Notes:

18. The data bus (Q) remains in High-Z following a Write cycle unless an ADSP, ADSC, or ADV cycle is performed.
19. GW is HIGH.

Switching Waveforms

(continued)

tCYC

tCL

CLK

ADSP

tADH

tADS

ADDRESS

tCH

OE

ADSC

CE

tAH

tAS

A2

tCEH

tCES

BWE,

BW[A:D]

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

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