VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Datasheet

VSC8131

2.488 Gbit/sec

32:1 SONET/SDH Mux with Clock Generator

Page 12

© VITESSE SEMICONDUCTOR CORPORATION

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

11/9/99

G52249-0, Rev. 3.0

D22

74

I

TTL

parallel data

VCC

75

PWR

+3.3V

D21

76

I

TTL

parallel data

D20

77

I

TTL

parallel data

VEE

78

PWR

GND

D19

79

I

TTL

parallel data

D18

80

I

TTL

parallel data

VCC

81

PWR

+3.3V

D17

82

I

TTL

parallel data

D16

83

I

TTL

parallel data

VCC

84

PWR

+3.3V

D15

85

I

TTL

parallel data

D14

86

I

TTL

parallel data

VEE

87

PWR

GND

D13

88

I

TTL

parallel data

D12

89

I

TTL

parallel data

VCC

90

PWR

+3.3V

D11

91

I

TTL

parallel data

D10

92

I

TTL

parallel data

VCC

93

PWR

+3.3V

D9

94

I

TTL

parallel data

D8

95

I

TTL

parallel data

VEE

96

PWR

GND

D7

97

I

TTL

parallel data

D6

98

I

TTL

parallel data

VCC

99

PWR

+3.3V

D5

100

I

TTL

parallel data

D4

101

I

TTL

parallel data

VCC

102

PWR

+3.3V

VCC

103

PWR

+3.3V

NC

104

-

-

Leave Unconnected

D3

105

I

TTL

parallel data

D2

106

I

TTL

parallel data

VCC

107

PWR

+3.3V

D1

108

I

TTL

parallel data

D0

109

I

TTL

parallel data

(MSB)

VEE

110

PWR

GND

Table 4: Package Pin Identification

Signal

Pin

I/O

Level

Pin Description