CY7C1215H

Switching Waveforms

Read Cycle Timing[16]

tCYC

CLK

tCH

tADS tADH

ADSP

ADSC

tAS tAH

tCL

tADS tADH

ADDRESS

GW, BWE, BW[A:D]

A1

A2

A3

tWES tWEH

Burst continued with

new base address

CE

ADV

OE

Data Out (Q)

tCES tCEH

 

tADVS

tADVH

 

 

 

 

 

 

 

 

ADV

 

 

 

 

 

 

suspends

 

 

 

 

 

 

burst.

 

 

 

 

tOEV

tCO

 

 

 

 

tOEHZ

tOELZ

tDOH

 

 

 

 

tCLZ

 

 

 

 

 

High-Z

Q(A1)

 

Q(A2)

Q(A2 + 1)

Q(A2 + 2)

Q(A2 + 3)

 

tCO

 

 

 

 

 

 

Single READ

 

 

 

BURST READ

 

 

 

 

DON’T CARE

UNDEFINED

 

 

Deselect cycle

tCHZ

Q(A2)

Q(A2 + 1)

Burst wraps around to its initial state

Note:

16. On this diagram, when CE is LOW, CE1 is LOW, CE2 is HIGH and CE3 is LOW. When CE is HIGH, CE1 is HIGH or CE2 is LOW or CE3 is HIGH.

Document #: 38-05666 Rev. *B

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Cypress CY7C1215H manual Switching Waveforms, Read Cycle Timing16