SMH4042S-BKN datasheet(6/28 Pages) SUMMIT

部件名	SMH4042S-BKN

功能描述	Hot Swap??Controller

Download	28 Pages

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制造商	SUMMIT [Summit Microelectronics, Inc.]

网页	http://www.summitmicro.com

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6 / 28 page

6

SMH4042

2037 8.0 8/8/00

2.7V to 4.5V

4.5V to 5.5V

Symbol

Parameter

Conditions

Min

Max

Min

Max

Units

fSCL

SCL Clock Frequency

0

100

0

400

KHz

tLOW

Clock Low Period

4.7

1.3

ms

tHIGH

Clock High Period

4.0

0.6

ms

tBUF

Bus Free Time

Before New Transmission

4.7

1.3

ms

tSU:STA

Start Condition Setup Time

4.7

0.6

ms

tHD:STA

Start Condition Hold Time

4.0

0.6

ms

tSU:STO

Stop Condition Setup Time

4.7

0.6

ms

tAA

Clock Edge to Valid Output

SCL low to Valid SDA (cycle n)

0.3

3.5

0.2

0.9

ms

tDH

Data Out Hold Time

SCL low (cycle n+1) to SDA change

0.3

0.2

ms

tR

SCL and SDA Rise Time

1000

300

ns

tF

SCL and SDA Fall Time

300

ns

tSU:DAT

Data In Setup Time

250

100

ns

tHD:DAT

Data In Hold Time

0

ns

TI

Noise Filter SCL & SDA

Noise Suppression

100

ns

tWR

Write Cycle Time

5

ms

MEMORY AC OPERATING CHARACTERISTICS

TA = -40°C to +85°C

2037 PGM T5.1

tSU:STO

tBUF

tSU:DAT

tHD:DAT

tDH

tHIGH

tLOW

tR

tF

tSU:SDA

tHD:SDA

SDA Out

SDA In

SCL

tAA

2037 ILL11.0

A

C

K

A

2

A

1

B

0

R

/

W

A

C

K

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

A

C

K

D

7

D

6

D

1

D

0

S

T

O

P

S

T

A

R

T

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

S

T

A

R

T

A

C

K

A

2

A

1

B

0

R

/

W

A

7

A

6

A

5

A

4

A

3

A

2

A

1

A

0

A

C

K

D

7

D

6

D

5

D

4

D

3

D

2

D

1

D

0

A

C

K

D

7

D

6

D

1

D

0

A

C

K

S

T

O

P

Typical Write Operation

Typical Read Operation

Master

SDA

Slave

Master

SDA

Slave

2037 ILL12.0

类似零件编号 - SMH4042S-BKN

制造商	部件名	数据表	功能描述
Summit Microelectronics...	SMH4042A	1Mb / 28P	Distributed Power Hot-Swap Controller for CompactPCI
	SMH4042AGAGM	1Mb / 28P	Distributed Power Hot-Swap Controller for CompactPCI
	SMH4042AGAGN	1Mb / 28P	Distributed Power Hot-Swap Controller for CompactPCI
	SMH4042AGAHM	1Mb / 28P	Distributed Power Hot-Swap Controller for CompactPCI
	SMH4042AGAHN	1Mb / 28P	Distributed Power Hot-Swap Controller for CompactPCI

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