LXT361 —
Integrated T1/E1 LH/SH Transceiver for DS1/DSX-1 or PRI Applications
4
Datasheet
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LXT361 Block Diagram .........................................................................................7
LXT361 Pin Assignments and Markings...............................................................8
50% Duty Cycle Coding ......................................................................................14
TAOS with LLOOP..............................................................................................18
Local Loopback...................................................................................................18
Analog Loopback ................................................................................................19
Remote Loopback...............................................................................................19
Dual Loopback....................................................................................................20
TAOS Data Path .................................................................................................20
QRSS Mode........................................................................................................21
Typical T1/E1 LXT361 Application......................................................................35
2.048 MHz E1 Pulse (See
Table 27
)...................................................................39
1.544 MHz T1 Pulse (DS1 and DSX-1) (See
Table 28
) ......................................40
Transmit Clock Timing ........................................................................................41
Receive Clock Timing .........................................................................................42
LXT361 I/O Timing Diagram for Intel Address/Data Bus ....................................44
LXT361 I/O Timing Diagram for Motorola Address/Data Bus.............................45
Typical T1 Jitter Tolerance at 36 dB ...................................................................45
Typical E1 Jitter Tolerance at 43 dB ...................................................................46
Typical E1 Jitter Attenuation ...............................................................................47
\T1 Jitter Attenuation...........................................................................................48
Plastic Leaded Chip Carrier (PLCC) Package Specifications.............................49
Plastic Quad Flat Package (PQFP) Specifications .............................................50
Low-Profile Quad Flat Package (LQFP) Specifications ......................................51