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Switching waveforms – Cypress CY7C1312AV18 User Manual

Page 12

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CY7C1310AV18

CY7C1312AV18

CY7C1314AV18

PRELIMINARY

Document #: 38-05497 Rev. *A

Page 12 of 21

Switching Waveforms

[21,22,23]

Notes:

21. Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0 i.e., A0+1.
22. Output are disabled (High-Z) one clock cycle after a NOP.
23. 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.,

Read/Write/Deselect Sequence

K

1

2

3

4

5

8

10

6

7

K

RPS

WPS

A

Q

D

C

C

A0

READ

READ

WRITE

WRITE

WRITE

tKH

tKHKH

tKHCH

tCO

tKL

tCYC

t

tHC

tSA tHA

tSD

tHD

tKHCH

NOP

DON’T CARE

UNDEFINED

tCLZ

tCHZ

SC

tKH

tKL

t

tSA tHA

D30

D50

D51

D61

tSD

tHD

READ

WRITE

NOP

Q00

Q01

Q20

tCO

tDOH

tKHKH

t CYC

9

A6

A5

A3

A4

A1

A2

Q21

Q40

Q41

D31

D11

D10

D60

tCQD

tDOH

CQ

CQ

tCCQO

tCQOH

tCCQO

tCQOH

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