Cypress CY7C1294DV18 Bedienungsanleitung PDF herunterladen (Seite 20)

CY7C1292DV18

CY7C1294DV18

Document #: 001-00350 Rev. *A Page 20 of 23

Switching Waveforms

[27, 28, 29]

Read/Write/Deselect Sequence

Notes:

27. Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0, i.e., A0 + 1.

28. Output are disabled (High-Z) one clock cycle after a NOP.

29. In this example, if address A2 = A1,then data Q20 = D10 and Q21 = D11. Write data is forwarded immediately as read results. This note applies to the whole

diagram.

RPS

WPS

READ READ WRITE WRITEWRITE

NOPREAD

WRITE NOP

KHKH

CYC

A6A5

A3 A4

D30 D50 D51 D61

D31

D11D10 D60

DON’T CARE

UNDEFINED

KHCH

CLZ

CHZ

Q00 Q01

Q20

KHKH

CYC

Q21

Q40

Q41

CQD

DOH

CCQO

CQOH

CCQO

CQOH

CQDOH

[+] Feedback

1 2 ... 15 16 17 18 19 20 21 22 23

9-Mbit QDR- II™ SRAM 2-Word 1
Burst Architecture 1
CY7C1292DV18 10
CY7C1294DV18 10
TAP Controller 12

Kommentare zu diesen Handbüchern

Keine Kommentare

Cypress CY7C1294DV18 Bedienungsanleitung Seite 20

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Hardware Cypress CY7C1294DV18