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Switching characteristics – Cypress Perform CY7C136A User Manual

Page 6

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CY7C132, CY7C136

CY7C136A, CY7C142, CY7C146

Document #: 38-06031 Rev. *E

Page 6 of 15

Switching Characteristics

Over the Operating Range (Speeds -35, -45, -55)

[8]

Parameter

Description

7C132-35
7C136-35
7C142-35
7C146-35

7C132-45
7C136-45
7C142-45
7C146-45

7C132-55
7C136-55

7C136A-55

7C142-55
7C146-55

Unit

Min

Max

Min

Max

Min

Max

Read Cycle

t

RC

Read Cycle Time

35

45

55

ns

t

AA

Address to Data Valid

[9]

35

45

55

ns

t

OHA

Data Hold from Address Change

0

0

0

ns

t

ACE

CE LOW to Data Valid

[9]

35

45

55

ns

t

DOE

OE LOW to Data Valid

[9]

20

25

25

ns

t

LZOE

OE LOW to Low Z

[7, 10]

3

3

3

ns

t

HZOE

OE HIGH to High Z

[7, 10, 11]

20

20

25

ns

t

LZCE

CE LOW to Low Z

[7, 10]

5

5

5

ns

t

HZCE

CE HIGH to High Z

[7, 10, 11]

20

20

25

ns

t

PU

CE LOW to Power Up

[7]

0

0

0

ns

t

PD

CE HIGH to Power Down

[7]

35

35

35

ns

Write Cycle

[12]

t

WC

Write Cycle Time

35

45

55

ns

t

SCE

CE LOW to Write End

30

35

40

ns

t

AW

Address Setup to Write End

30

35

40

ns

t

HA

Address Hold from Write End

2

2

2

ns

t

SA

Address Setup to Write Start

0

0

0

ns

t

PWE

R/W Pulse Width

25

30

30

ns

t

SD

Data Setup to Write End

15

20

20

ns

t

HD

Data Hold from Write End

0

0

0

ns

t

HZWE

R/W LOW to High Z

[7]

20

20

25

ns

t

LZWE

R/W HIGH to Low Z

[7]

0

0

0

ns

Busy/Interrupt Timing

t

BLA

BUSY LOW from Address Match

20

25

30

ns

t

BHA

BUSY HIGH from Address Mismatch

[13]

20

25

30

ns

t

BLC

BUSY LOW from CE LOW

20

25

30

ns

t

BHC

BUSY HIGH from CE HIGH

[13]

20

25

30

ns

t

PS

Port Set Up for Priority

5

5

5

ns

t

WB

R/W LOW after BUSY LOW

[14]

0

0

0

ns

t

WH

R/W HIGH after BUSY HIGH

30

35

35

ns

t

BDD

BUSY HIGH to Valid Data

35

45

45

ns

t

DDD

Write Data Valid to Read Data Valid

Note 15

Note 15

Note 15

ns

t

WDD

Write Pulse to Data Delay

Note 15

Note 15

Note 15

ns

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