Switching waveforms, Figure 10. read cycle timing – Cypress Perform CY7C1380F User Manual

Page 23

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CY7C1380D, CY7C1382D

CY7C1380F, CY7C1382F

Document #: 38-05543 Rev. *F

Page 23 of 34

Switching Waveforms

Figure 10. Read Cycle Timing

[26]

tCYC

t

CL

CLK

ADSP

t

ADH

t

ADS

ADDRESS

t

CH

OE

ADSC

CE

tAH

tAS

A1

tCEH

tCES

GW, BWE,

BWx

Data Out (Q)

High-Z

tCLZ

tDOH

tCO

ADV

tOEHZ

tCO

Single READ

BURST READ

tOEV

tOELZ

tCHZ

ADV
suspends
burst.

Burst wraps around
to its initial state

tADVH

tADVS

tWEH

tWES

tADH

tADS

Q(A2)

Q(A2 + 1)

Q(A2 + 2)

Q(A1)

Q(A2)

Q(A2 + 1)

Q(A2 + 3)

A2

A3

Deselect
cycle

Burst continued with
new base address

DON’T CARE

UNDEFINED

Note

26. On this diagram, when CE is LOW: CE

1

is LOW, CE

2

is HIGH and CE

3

is LOW. When CE is HIGH: CE

1

is HIGH or CE

2

is LOW or CE

3

is HIGH.

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