WJLXT384LE.B1-868635 Cortina Systems Inc, WJLXT384LE.B1-868635 Datasheet - Page 36

• 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
Table 10
Cortina Systems
Clocks and Clock-Related Signals (Sheet 1 of 2)
®
Signal
Name
CLKE
LXT384 Octal T1/E1/J1 Short-Haul PCM Transceiver with Jitter Attenuation (JA)
QFP
Pin
115
PBGA
Ball
E13
Signal
Type
DI
Clock Edge Select Input.
CLKE is used in clock and data recovery. When the recovery mode is
for:
Low
High
• Clock recovery (see
• Data recovery (see
CLKE pin:
• Low causes (1) both RDATA or RPOS and RNEG to be valid on
• High causes (1) both RDATA or RPOS and RNEG to be valid on
output polarity on both RDATA or RPOS and RNEG is:
• Active-low when CLKE is low.
• Active-high when CLKE is high
CLKE
the rising edge of RCLK and (2) SDO to be valid on the falling
edge of SCLK. (See
Timing.)
the falling edge of RCLK and (2) SDO to be valid on the rising
edge of SCLK. (See
Timing.)
RCLK
RCLK
RCLK for Valid RNEG/
6.3.4, Receiver Data Recovery
Section 6.3.1, Receiver
Signal Description
RPOS
Figure 20, LXT384 Transceiver - Receive
Figure 20, LXT384 Transceiver - Receive
TM
TM
5.5 Clocks and Clock-Related
SCLK
SCLK
SCLK for Valid SDO
Clocking), setting the
Mode), the
Page 36
Signals