Cypress Semiconductor CY7C1380C Uživatelský manuál stáhnout pdf (Strana 20)

PRELIMINARY

CY7C1380C

CY7C1382C

Document #: 38-05237 Rev. *B Page 20 of 28

Read Cycle Timing

[4, 18, 20, 21]

Note:

21. RDx stands for Read Data from Address X.

Switching Waveforms (continued)

ADSP

CLK

ADSC

ADV

ADD

CE

1

OE

GW

WE

CE

2

CE

3

2a

2c

1a

Data Out

t

CYC

t

CH

t

CL

t

ADS

t

ADH

t

ADS

t

ADH

t

ADVS

t

ADVH

RD1

RD2

RD3

t

AH

t

AS

t

WS

t

WH

t

WH

t

WS

t

CES

t

CEH

t

CES

t

CEH

t

CES

t

CEH

t

CO

t

EOV

2b

2c

2d 3a

1a

t

OEHZ

t

DOH

t

CLZ

t

CHZ

Single Read

Burst Read

Unselected

ADSP

ignored with CE

1

inactive

Suspend Burst

CE

1

masks ADSP

= DON’T CARE

= UNDEFINED

Pipelined Read

ADSC initiated read

Unselected with CE

2

1 2 ... 15 16 17 18 19 20 21 22 23 24 25 26 27 28

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