Cypress CY7C1353G manual Switching Waveforms, Read/Write Waveforms 19, 20

Models: CY7C1353G

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CY7C1353G

Switching Waveforms

Read/Write Waveforms[19, 20, 21]

 

 

 

 

 

 

 

 

 

 

1

2

tCYC 3

4

5

6

7

8

9

10

CLK

tCENS

tCENH

tCH

tCL

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CEN

 

 

 

 

 

 

 

 

 

 

 

 

tCES

tCEH

 

 

 

 

 

 

 

 

 

CE

 

 

 

 

 

 

 

 

 

 

 

ADV/LD

 

 

 

 

 

 

 

 

 

 

 

WE

 

 

 

 

 

 

 

 

 

 

 

BW[A:B]

 

 

 

 

 

 

 

 

 

 

 

ADDRESS

A1

A2

 

A3

A4

 

A5

A6

A7

 

 

tAS

tAH

 

 

tCDV

 

 

 

 

 

 

 

 

 

tCLZ

tDOH

 

tOEV tCHZ

 

 

 

 

 

 

 

 

 

 

 

 

DQ

 

 

D(A1)

D(A2)

D(A2+1)

Q(A3)

Q(A4)

Q(A4+1)

D(A5)

Q(A6)

D(A7)

 

 

tDS

tDH

 

tOEHZ

tDOH

 

 

 

OE

 

 

 

 

 

 

 

tOELZ

 

 

 

COMMAND

WRITE

WRITE

BURST

READ

READ

BURST

WRITE

READ

WRITE

DESELECT

 

 

D(A1)

D(A2)

WRITE

Q(A3)

Q(A4)

READ

D(A5)

Q(A6)

D(A7)

 

 

 

 

 

D(A2+1)

 

 

Q(A4+1)

 

 

 

 

 

 

 

 

 

DON’T CARE

UNDEFINED

 

 

 

Notes:

19.For this waveform ZZ is tied low.

20.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. 21.Order of the Burst sequence is determined by the status of the MODE (0= Linear, 1= Interleaved). Burst operations are optional.

Document #: 38-05515 Rev. *E

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Cypress CY7C1353G manual Switching Waveforms, Read/Write Waveforms 19, 20