VSC7938W 查看數據表（PDF） - Vitesse Semiconductor

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VSC7938W

SONET/SDH 3.125Gb/s Laser Diode Driver with Automatic Power Control

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

SONET/SDH 3.125Gb/s

Laser Diode Driver with Automatic Power Control

Preliminary Data Sheet

VSC7938

Bare Die Descriptions

Figure 1: Pad Assignments

1773µm (0.0698")

Pad 12

GND1

Pad 11

VCC1

Pad 10

CLK-

Pad 9

CLK+

Pad 8

VCC1

Pad 7

GND1

Pad 6

VCC1

Pad 5

DATA-

Pad 4

DATA+

Pad 3

VCC1

Pad 2

GND1

Pad 1

GND2

Pad 13

LATCH

Pad 14

ENABLE

Pad 15

DISABLE

Pad 48

VCC2

Pad 47

BIASMAX

Pad 46

MODSET

Pad 16

GND1

Pad 17

SLWSTRT

Pad 45

GND2

Pad 44

APCSET

2233µm

(0.0879")

Pad 18

VCC1

Pad 19

FAIL

Pad 20

GND4

Pad 21

PB_GND

Pad 22

APCFILT

VSC7938

Pad 43

AUTSEL

Pad 42

GND2

Pad 41

PB_GND

Pad 40

GND3

Pad 39

PB_GND

Pad 23

GND4

Pad 24

VCC4

Pad 25

BIAS

Pad 38

CAPC

Pad 37

VCC3

Pad 36

GND3

Pad 26 Pad 27 Pad 28 Pad 29

PB_GND VCC4 DB_OUT+ OUT+

Pad 30 Pad 31 Pad 32

OUT- DB_OUT- VCC4

Pad 33 Pad 34

GND4 GND3

Pad 35

MD

20µm

(0.0008")

Die Size:

1773µm x 2233µm (0.0698" x 0.0879")

Die Thickness:

625µm (0.0246")

Pad Pitch:

115µm (0.0045")

Pad Size:

95µm x 95µm (0.0037" x 0.0037")

Pad to Pad Clearance:

20µm (0.0008")

Pad Passivation Opening: 95µm x 95µm (0.0037" x 0.0037")

Scribe Size:

75µm (0.0030")

75µm

(0.0030")

Page 4

© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012

Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com

Internet: www.vitesse.com

G52349-0, Rev 3.0

01/20/01

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