MAX3799 데이터 시트보기 (PDF) - Maxim Integrated

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MAX3799

1Gbps to 14Gbps, SFP+ Multirate Limiting Amplifier and VCSEL Driver

Maxim Integrated 

1Gbps to 14Gbps, SFP+ Multirate Limiting

Amplifier and VCSEL Driver

Table 3. Circuit Response to Single-Point Faults

PIN

NAME

SHORT TO VCC

1

LOS Normal (Note 1)

2

RSEL Normal (Note 1)

SHORT TO GND

Normal (Note 1)

Normal (Note 1)

OPEN

Normal (Note 1)

Normal (Note 1)

3

VCCR Normal

Disabled—HARD FAULT (external

supply shorted) (Note 2)

Normal (Note 3)—Redundant path

4

ROUT+ Normal (Note 1)

5

ROUT- Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

6

VCCR Normal

Disabled—HARD FAULT (external Normal (Note 3)—Redundant path

supply shorted) (Note 2)

7

VCCD Normal

8

DISABLE Disabled

9

SCL Normal (Note 1)

10

SDA Normal (Note 1)

11

CSEL Normal (Note 1)

Disabled—HARD FAULT

Normal (Note 1). Can only be

disabled with other means.

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

Disabled—HARD FAULT

Disabled

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

12

VCCT Normal

13

TIN+ SOFT FAULT

14

TIN- SOFT FAULT

Disabled—Fault (external supply

shorted) (Note 2)

SOFT FAULT

SOFT FAULT

Normal (Note 3)—Redundant path

Normal (Note 1)

Normal (Note 1)

15

VCCT Normal

16

BMON Disabled—HARD FAULT

Disabled—Fault (external supply

shorted) (Note 2)

Normal (Note 1)

Normal (Note 3)—Redundant path

Disabled—HARD FAULT

17

VEET

Disabled—Fault (external supply

shorted) (Note 2)

Normal

Disabled—HARD FAULT

18

VCCT Normal

19

TOUT- IMOD is reduced

20

TOUT+ IMOD is reduced

21

VCCT Normal

Disabled—Fault (external supply

shorted) (Note 2)

Disabled—HARD FAULT

Disabled—HARD FAULT

Disabled—Fault (external supply

shorted) (Note 2)

Normal (Note 3)—Redundant path

IMOD is reduced

IMOD is reduced

Normal (Note 3)—Redundant path

22

BIAS IBIAS is on—No Fault

23

FAULT Normal (Note 1)

Disabled—HARD FAULT

Normal (Note 1)

Disabled—HARD FAULT

Normal (Note 1)

24

VCCT Normal

Disabled—Fault (external supply Normal (Note 3)—Redundant path

shorted) (Note 2)

25

VCCT Normal

Disabled—Fault (external supply Normal (Note 3)—Redundant path

shorted) (Note 2)

26

VEER

Disabled—Fault (external supply Normal

shorted) (Note 2)

Normal (Note 3)—Redundant path

27

VCCR Normal

Disabled—HARD FAULT (external

supply shorted) (Note 2)

Normal (Note 3)—Redundant path

28

RIN- Normal (Note 1)

29

RIN+ Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

Normal (Note 1)

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