Cypress Perform CY7C1370D Instrukcja Użytkownika Pobierz pdf (Strona 21)

CY7C1370D

CY7C1372D

Document #: 38-05555 Rev. *F Page 21 of 28

Switching Waveforms

Read/Write/Timing

[25, 26, 27]

Notes:

25. For this waveform ZZ is tied LOW.

26. 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.

27. 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

Data

n-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)

[+] Feedback

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

CY7C1370D 1
CY7C1372D 1
[+] Feedback 10
14. Bit# 85 is pre-set HIGH 16
15. Bit# 89 is pre-set HIGH 17

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