Cypress Semiconductor CY7C1354CV25 Manual de usuario descargar pdf (Pagina 23)

CY7C1354CV25

CY7C1356CV25

Document Number: 38-05537 Rev. *M Page 23 of 33

Switching Waveforms

Figure 5. Read/Write Timing

[26, 27, 28]

WRITE

D(A1)

123456789

CLK

CYC

CEH

CES

CEN

CENH

CENS

BWX

ADV/LD

ADDRESS

A1 A2

A5 A6 A7

Data

In-Out (DQ)

CLZ

D(A1) D(A2) D(A5)Q(A4)Q(A3)

D(A2+1)

DOH

CHZ

WRITE

D(A2)

BURST

WRITE

D(A2+1)

READ

Q(A3)

READ

Q(A4)

BURST

READ

Q(A4+1)

WRITE

D(A5)

READ

Q(A6)

WRITE

D(A7)

DESELECT

OEV

OELZ

OEHZ

DOH

DON’T CARE UNDEFINED

Q(A6)

Q(A4+1)

Notes

26. For this waveform ZZ is tied LOW.

27. When CE

is LOW, CE

is HIGH and CE

is LOW. When CE is HIGH, CE

is HIGH or CE

is LOW or CE

is HIGH.

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

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 32 33

CY7C1354CV25 1
CY7C1356CV25 1

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Cypress Semiconductor CY7C1354CV25 Manual de usuario Pagina 23

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