LXT351 —
T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation
4
Datasheet
5.0
6.0
Test Specifications
..................................................................................................33
Mechanical Specifications
...................................................................................45
Figures
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LXT351 Block Diagram .........................................................................................7
LXT351 Pin Assignments......................................................................................8
50% Duty Cycle Coding ......................................................................................14
Local Loopback...................................................................................................16
TAOS with LLOOP..............................................................................................17
Analog Loopback ................................................................................................18
Remote Loopback...............................................................................................19
Dual Loopback....................................................................................................19
TAOS Data Path .................................................................................................20
QRSS Mode........................................................................................................20
Typical T1/E1 LXT351 Application......................................................................32
2.048 Mbps E1 Pulse (See
Table 24
).................................................................35
1.544 Mbps T1 Pulse, DSX-1 (See
Table 25
) .....................................................36
Transmit Clock Timing ........................................................................................37
Receive Clock Timing .........................................................................................38
Intel Address/Data Bus Timing............................................................................40
Motorola Address/Data Bus Timing ....................................................................41
Typical T1 Jitter Tolerance at 36 dB ...................................................................41
Typical E1 Jitter Tolerance at 43 dB ...................................................................42
Typical E1 Jitter Attenuation ...............................................................................43
Typical T1 Jitter Attenuation................................................................................44
Plastic Leaded Chip Carrier Package Specifications..........................................45
Plastic Quad Flat Package Specifications...........................................................46