Cypress Semiconductor NoBL CY7C1357C Manual do Utilizador descarregar pdf (Página 21)

CY7C1355C

CY7C1357C

Document #: 38-05539 Rev. *E Page 21 of 28

Switching Waveforms

Read/Write Waveforms

[22, 23, 24]

Notes:

22.

For this waveform ZZ is tied LOW.

23. 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.

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

WRITE

D(A1)

123456789

CLK

CYC

CEH

CES

CEN

CENH

CENS

ADV/LD

ADDRESS

A1 A2

A5 A6 A7

OMMAND

CLZ

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

D(A2+1)

DOH

CHZ

CDV

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

DON’T CARE UNDEFINED

D(A5)

DOH

Q(A4+1)

D(A7)Q(A6)

[+] Feedback

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 27 28

9-Mbit (256K x 36/512K x 18) 1
CY7C1357C (512K x 18) 5
CY7C1355C (256K x 36) 5
(MODE = Floating or VDD) 9
Truth Table 9
CY7C1355C 10
CY7C1357C 10
TAP Controller State Diagram 11
TAP Controller Block Diagram 11
TAP Timing 13
Maximum Ratings 18
Operating Range 18
[+] Feedback 20
Switching Waveforms 21

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