XRT83SL28 View Datasheet(PDF) - Exar Corporation

Part Name

Description

MFG CO.

XRT83SL28

8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT

Exar Corporation 

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xr

REV. 1.0.0

NAME

PIN

TPOS7

70

TPOS6

67

TPOS5

114

TPOS4

111

TPOS3

39

TPOS2

42

TPOS1

139

TPOS0

142

TNEG7/CODE7 71

TNEG6/CODE6 68

TNEG5/CODE5 113

TNEG4/CODE4 110

TNEG3/CODE3 38

TNEG2/CODE2 41

TNEG1/CODE1 140

TNEG0/CODE0 143

TTIP7

78

TTIP6

84

TTIP5

97

TTIP4

103

TTIP3

31

TTIP2

25

TTIP1

12

TTIP0

6

TRING7

80

TRING6

82

TRING5

99

TRING4

101

TRING3

29

TRING2

27

TRING1

10

TRING0

8

ICT

35

MCLK

17

XRT83SL28

8-CHANNEL E1 SHORT-HAUL LINE INTERFACE UNIT

TYPE

I

Same as Host Mode.

DESCRIPTION

I

Transmit Negative Data / CODE Select Input

TNEG has the same definition as Host Mode. However, in Hardware

mode and Single Rail Data Format, this pin is used to select between

AMI and HDB3 Encoder/Decoder. By default, HDB3 is selected. To

select AMI, this pin must be pulled "High".

NOTE: Internally pulled "Low" with a 50kΩ resistor.

O

Same as Host Mode.

O

Same as Host Mode.

I

Same as Host Mode.

I

Same as Host Mode.

13

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