WJLXT384LE.B1-868635 Cortina Systems Inc, WJLXT384LE.B1-868635 Datasheet - Page 20

• Manufacturer Part Number: WJLXT384LE.B1-868635
• Manufacturer: Cortina Systems Inc

Specifications of WJLXT384LE.B1-868635

• Screening Level: Industrial
• Mounting: Surface Mount
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Lead Free Status / RoHS Status: Compliant

LXT384 Transceiver
Datasheet
248994, Revision 6.0
30 January 2008
4.2
Note:
Table 4
Cortina Systems
Framer/Mapper I/O Pins
Depending on the state of a UBS7:0 pin, both the corresponding receiver and transmitter
pins are automatically set for either bipolar I/O or unipolar I/O. When a UBS pin is
connected:
For a description of operating in bipolar or unipolar mode, see
Unipolar Operation - Receive Side
on the I/O mode selected.
Receiver Bipolar/Unipolar I/O Signal Functions
Table 5
depending on the I/O mode selected.
®
Transmit
lists LXT384 Transceiver receiver pins that have different names and functions depending
• Low, bipolar I/O is selected.
• High for more than 16 consecutive MCLK clock cycles, unipolar I/O is selected.
Pins
LXT384 Octal T1/E1/J1 Short-Haul PCM Transceiver with Jitter Attenuation (JA)
141
105
142
104
143
103
112
111
110
69
76
34
41
70
77
33
40
71
78
32
39
4
5
6
lists LXT384 Transceiver transmitter pins that have different names and functions
Balls
Side.
M12
M13
M14
C12
A12
P12
C13
A13
P13
C14
A14
P14
C3
M3
C2
M2
C1
M1
A3
P3
A2
P2
A1
P1
RNEG7
RNEG6
RNEG5
RNEG4
RNEG3
RNEG2
RNEG1
RNEG0
RPOS7
RPOS6
RPOS5
RPOS4
RPOS3
RPOS2
RPOS1
RPOS0
RCLK7
RCLK6
RCLK5
RCLK4
RCLK3
RCLK2
RCLK1
RCLK0
Bipolar I/O Signal Functions
Receive negative data
Receive positive data
Receive clock output
output
output
and
Section 5.3.2, Bipolar vs. Unipolar Operation -
RDATA7
RDATA6
RDATA5
RDATA4
RDATA3
RDATA2
RDATA1
RDATA0
RCLK7
RCLK6
RCLK5
RCLK4
RCLK3
RCLK2
RCLK1
RCLK0
BPV7
BPV6
BPV5
BPV4
BPV3
BPV2
BPV1
BPV0
TM
TM
Unipolar I/O Signal Functions
Section 5.3.1, Bipolar vs.
Detect bipolar violations output
4.2 Framer/Mapper I/O Pins
Receive clock output
Receive data output
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