DS1876 데이터 시트보기 (PDF) - Maxim Integrated

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DS1876

SFP Controller with Dual LDD Interface

Maxim Integrated 

DS1876

SFP Controller with Dual LDD Interface

Pin Configuration

TOP VIEW

21 20 19 18 17 16 15

REFIN 22

TXD2 23

APC2 24

APC1 25

VCC 26

TXF2 27

+

OUT1 28

DS1876

*EP

14 BMON1

13 PMON1

12 BMON2

11 PMON2

10 TXDOUT1

9 RSEL

8 GND

1 234567

*EXPOSED PAD.

THIN QFN

(5mm × 5mm × 0.8mm)

PIN

1

2

3

4

5

6

7

8, 18, 21

9

10

11

12

13

NAME

RSELOUT

SCL

SDA

TXFOUT

TXF1

IN1

TXD1

GND

RSEL

TXDOUT1

PMON2

BMON2

PMON1

FUNCTION

Rate-Select Output

I2C Serial-Clock Input

I2C Serial-Data Input/Output

Transmit Fault Output, Open

Drain

Transmit Fault Input 1

Digital Input. General-purpose

input, AS1 in SFF-8079, or RS1

in SFF-8431.

Transmit Disable Input 1

Ground Connection

Rate-Select Input

Transmit Disable Output 1

External Monitor Input PMON2

and HTXP2/LTXP2 Quick Trip

External Monitor Input BMON2

and HBATH2 Quick Trip

External Monitor Input PMON1

and HTXP1/LTXP1 Quick Trip

PIN

14

15

16, 26

17

19

20

22

23

24

25

27

28

—

Pin Description

NAME

BMON1

N.C.

VCC

TXDOUT2

MOD2

MOD1

REFIN

TXD2

APC2

APC1

TXF2

OUT1

EP

FUNCTION

External Monitor Input BMON1

and HBATH1 Quick Trip

No Connection

Power-Supply Input

Transmit Disable Output 2

MOD2 DAC, Delta-Sigma Output

MOD1 DAC, Delta-Sigma Output

Reference Input for DAC1 and

DAC2

Transmit Disable Input 2

APC2 DAC, Delta-Sigma Output

APC1 DAC, Delta-Sigma Output

Transmit Fault Input 2

Digital Output. General-purpose

output, AS1 output in SFF-8079,

or RS1 output in SFF-8431.

Exposed Pad (Connect to GND)

10  

Maxim Integrated

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