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7 slave fifo synchronous read – Cypress Perform CY7C68013 User Manual

Page 43

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CY7C68013A, CY7C68014A
CY7C68015A, CY7C68016A

Document #: 38-08032 Rev. *L

Page 43 of 62

10.7 Slave FIFO Synchronous Read

Figure 18. Slave FIFO Synchronous Read Timing Diagram

[20]

IFCLK

SLRD

FLAGS

SLOE

t

SRD

t

RDH

t

OEon

t

XFD

t

XFLG

DATA

t

IFCLK

N+1

t

OEoff

N

Table 20. Slave FIFO Synchronous Read Parameters with Internally Sourced IFCLK

[21]

Parameter

Description

Min

Max

Unit

t

IFCLK

IFCLK Period

20.83

ns

t

SRD

SLRD to Clock Setup Time

18.7

ns

t

RDH

Clock to SLRD Hold Time

0

ns

t

OEon

SLOE Turn-on to FIFO Data Valid

10.5

ns

t

OEoff

SLOE Turn-off to FIFO Data Hold

10.5

ns

t

XFLG

Clock to FLAGS Output Propagation Delay

9.5

ns

t

XFD

Clock to FIFO Data Output Propagation Delay

11

ns

Table 21. Slave FIFO Synchronous Read Parameters with Externally Sourced IFCLK

[21]

Parameter

Description

Min.

Max.

Unit

t

IFCLK

IFCLK Period

20.83

200

ns

t

SRD

SLRD to Clock Setup Time

12.7

ns

t

RDH

Clock to SLRD Hold Time

3.7

ns

t

OEon

SLOE Turn-on to FIFO Data Valid

10.5

ns

t

OEoff

SLOE Turn-off to FIFO Data Hold

10.5

ns

t

XFLG

Clock to FLAGS Output Propagation Delay

13.5

ns

t

XFD

Clock to FIFO Data Output Propagation Delay

15

ns

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