Cypress CYDC256B16 High after Busy Slave, SEM Address Access Time Document # 001-01638 Rev. *E

CYDC256B16, CYDC128B16,

CYDC064B16, CYDC128B08,

CYDC064B08

Switching Characteristics for VCC = 3.0V Over the Operating Range (continued)

CYDC256B16,

CYDC256B16,

CYDC128B16,

CYDC128B16,

CYDC064B16,

CYDC064B16,

CYDC128B08,

CYDC128B08,

Unit

CYDC064B08

CYDC064B08

-40

-55

Parameter

Description

Min.

Max.

Min.

Max.

tHZWE[30, 31]

R/W

LOW to High Z

15

25

ns

tLZWE[30, 31]

HIGH to Low Z

0

0

ns

R/W

tWDD[32]

Write Pulse to Data Delay

55

80

ns

tDDD[32]

Write Data Valid to Read Data Valid

55

80

ns

Busy Timing[33]

tBLA

BUSY

LOW from Address Match

30

45

ns

tBHA

HIGH from Address Mismatch

30

45

ns

BUSY

tBLC

LOW from

LOW

30

45

ns

BUSY

CE

tBHC

HIGH from

HIGH

30

45

ns

BUSY

CE

tPS[34]

Port Set-up for Priority

5

5

ns

tWB

R/W

HIGH after BUSY (Slave)

0

0

ns

tWH

HIGH after

HIGH (Slave)

20

35

ns

R/W

BUSY

tBDD[35]

HIGH to Data Valid

30

40

ns

BUSY

Interrupt Timing[33]

tINS

INT

Set Time

35

45

ns

tINR

Reset Time

35

45

ns

INT

Semaphore Timing

tSOP

SEM Flag Update Pulse

(OE

or

SEM)

10

15

ns

tSWRD

SEM Flag Write to Read Time

10

10

ns

tSPS

SEM Flag Contention Window

10

10

ns

tSAA

SEM Address Access Time

40

55

ns

Document #: 001-01638 Rev. *E Page 17 of 26

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