lxt351 Intel Corporation, lxt351 Datasheet - Page 38

• Manufacturer Part Number: lxt351
• Description: T1/e1 Short Haul Transceiver With Crystal-less Jitter Attenuation
• Manufacturer: Intel Corporation

LXT351 — T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
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Receive clock duty cycle
Receive clock pulse width
Receive clock pulse width High
Receive clock pulse width Low
RPOS/RNEG to RCLK rise time
RCLK rise to RPOS/RNEG hold time
Receive clock duty cycle
Receive clock pulse width
Receive clock pulse width High
Receive clock pulse width Low
RPOS/RNEG to RCLK rise time
RCLK rise to RPOS/RNEG hold time
1. Typical s are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. RCLK duty cycle widths will vary according to extent of received pulse jitter displacement. Max and Min RCLK duty cycles
3. Worst case conditions guaranteed by design only.
1. Typical figures are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. RCLK duty cycle widths will vary according to extent of received pulse jitter displacement. Max and Min. RCLK duty cycles
3. Worst case conditions guaranteed by design only.
are for worst case jitter conditions.
are for worst case jitter conditions (0.4 UI clock displacement for 1.544 MHz).
Table 28. Receive Timing Characteristics for T1 Operation (See Figure 15)
Table 29. Receive Timing Characteristics for E1 Operation (See Figure 15)
Figure 15. Receive Clock Timing
Parameter
2, 3
2, 3
Parameter
2, 3
2, 3
1,3
1,3
RLCKd
Sym
t
t
t
RLCKd
t
PWH
PWL
SUR
t
PW
HR
Sym
t
t
t
t
PWH
PWL
SUR
t
PW
HR
Min
260
40
–
–
–
–
Min
195
40
–
–
–
–
Typ
648
324
324
274
274
50
Typ
488
244
244
194
194
50
1
1
Max
388
Max
293
60
60
–
–
–
–
–
–
–
–
Datasheet
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
%