LXT351 datasheet(4/46 Pages) INTEL

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LXT351 — T1/E1 Short Haul Transceiver with Crystal-less Jitter Attenuation

Datasheet

5.0

Test Specifications.................................................................................................. 33

6.0

Mechanical Specifications ................................................................................... 45

Figures

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

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