lxt351 Intel Corporation, lxt351 Datasheet - Page 37

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

Datasheet
Master clock frequency
Master clock tolerance
Master clock duty cycle
Transmit clock frequency
Transmit clock tolerance
Transmit clock duty cycle
TPOS/TNEG to TCLK setup time
TCLK to TPOS/TNEG hold time
Master clock frequency
Master clock tolerance
Master clock duty cycle
Transmit clock frequency
Transmit clock tolerance
Transmit clock duty cycle
TPOS/TNEG to TCLK setup time
TCLK to TPOS/TNEG hold time
1. Typical figures are at 25° C and are for design aid only; not guaranteed and not subject to production testing.
1. Typical figures are at 25° C and are for design aid only; not guaranteed and not subject to production testing.
Table 26. Master and Transmit Clock Timing Characteristics for T1 Operation
Table 27. Master and Transmit Clock Timing Characteristics for E1 Operation
Figure 14. Transmit Clock Timing
Parameter
Parameter
(See Figure 14)
(See Figure 14)
T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation — LXT351
MCLKd
MCLKt
TCLKd
MCLK
TCLKt
TCLK
Sym
MCLKd
t
TCLKd
MCLKt
MCLK
TCLKt
SUT
t
TCLK
HT
Sym
t
SUT
t
HT
Min
40
10
50
50
–
–
–
–
Min
40
10
50
50
–
–
–
–
1.544
1.544
Typ
±32
2.048
2.048
Typ
±32
–
–
–
–
–
–
–
–
–
–
1
1
±100
Max
60
90
±100
Max
–
–
–
–
–
60
90
–
–
–
–
–
MHz
MHz
Unit
ppm
ppm
ns
ns
%
%
MHz
MHz
Unit
ppm
ppm
ns
ns
%
%
must be supplied
must be supplied
Notes
Notes
37