LCK4993 datasheet(4/25 Pages) AGERE

Part #	LCK4993

Description	Low-Voltage PLL Clock Drivers

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Manufacturer	AGERE [Agere Systems]

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LCK4993/LCK4994

Data Sheet, Revision 1

Low-Voltage PLL Clock Drivers

May 5, 2004

4

Agere Systems Inc.

4 Pin Information

4.1 100-Pin TQFP Diagram

5-8885 (F) r.1

Figure 4-1. 100-Pin TQFP Package (Top View)

Table 4-1. 100-Pin FSBGA Pin Assignments

123

4567

8

9

10

A

1QB1

1QB0

1QA1

1QA0

QFA0

QFA1

FBKB+

VDDQ

FBKA–

FBKA+

B

VDDN

VDDQ

FBKB–

FBSEL

REFA+

C

GNDGND

VDDQ

GND

REFA–

D

LOCK

4F0

3F1

GND

FBDS1

FBDS0

2F0

VDDQ

REFSEL

REFB–

E

4QB1

VDDN

4DS1

GND

3F0

4F1

GND

FS

VDDN

REFB+

F

4QB0

VDDN

3DS1

GND

FBF0

VDDN

2QA0

G

4QA1

2DS1

VDDQ

GND

VDDQ

1F0

2QA1

H

4QA0

1DS1

1DS0

VDDQ

GND

VDDQ

OUTPUT_

MODE

FBDIS

2QB0

J

4DS0

3DS0

2DS0

DIS1

VDDN

GND

INV3

DIS3

2QB1

K

2F1

1F1

DIS2

VDDN

3QA0

3QA1

GND

3QB0

3QB1

DIS4

GND

VDDQ

3F1

4F1

3F0

4F0

4DS1

3DS1

GND

4QB1

VDDN

4QB0

GND

4QA1

VDDN

4QA0

GND

2DS1

1DS1

VDDQ

4DS0

3DS0

2DS0

1DS0

GND

OUTPUT_MODE

REFA+

REFA–

REFSEL

REFB–

REFB+

2F0

FS

GND

2QA0

VDDN

2QA1

GND

2QB0

VDDN

2QB1

GND

FBF0

1F0

GND

VDDQ

FBDIS

DIS3

13

12

11

10

9

8

6

5

4

3

2

1

14

15

16

17

18

19

20

21

22

23

24

25

7

63

64

65

66

67

68

70

71

72

73

74

75

62

61

60

59

58

57

56

55

54

53

52

51

69

DIS4

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