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Switching waveforms – Cypress CY7C1387F User Manual

Page 23

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CY7C1386D, CY7C1386F

CY7C1387D, CY7C1387F

Document Number: 38-05545 Rev. *E

Page 23 of 30

Read/Write Cycle Timing

[26, 28, 29]

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)

tWEH

tWES

Q(A4+3)

tOEHZ

tDH

tDS

tOELZ

tCLZ

tCO

Back-to-Back

WRITEs

A1

BWE, BW

X

A3

DON’T CARE

UNDEFINED

Notes

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

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