pef22504 Infineon Technologies Corporation, pef22504 Datasheet - Page 13

• Manufacturer Part Number: pef22504
• Description: Quad E1/t1/j1 Line Interface Component For Long- And Short-haul Applications Pef 22504 E, Pef 22504 Ht, Version 2.1
• Manufacturer: Infineon Technologies Corporation

Quad E1/T1/J1 Line Interface Component for Long-
and Short-Haul Applications
QuadLIU
Version 2.1
1.1
Line Interface
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Type
PEF 22504 HT
PEF 22504 E
Data Sheet
High-density, generic interface for all E1/T1/J1 applications
Four Analog receive and transmit circuits for long-haul and short-haul
applications
E1 or T1/J1 mode selectable
Data and clock recovery using an integrated digital phase-locked loop
Clock generator for jitter-free transmit clocks per channel
Jitter specifications of ITU-T I.431, G.703, G.736 (E1), G.823 (E1) and
AT&T TR62411 (T1/J1) and PUB 62411 are met
Maximum line attenuation up to -43 dB at 1024 kHz (E1) and up to -
36 dB at 772 kHz (T1/J1)
Flexible programmable transmit pulse shapes for E1 and T1/J1 pulse
masks
Programmable line build-out for CSU signals according to ANSI T1.
403 and FCC68: 0 dB, -7.5 dB, -15 dB, -22.5 dB (T1/J1)
Programmable low transmitter output impedances for high transmit
return loss and generic E1/T1/J1 applications
Tristate function of the analog transmit line outputs
Transmit line monitor protecting the device from damage
Flexible tristate functions of the digital receive outputs
Receive line monitor mode
Integrated switchtable 300
applications to meet termination resistance 75/120
Integrated multi purpose analog switch at line receive interface to support generic redundancy applications
(only supported in P/PG-LBGA-160-1 package)
Crystal-less wander and jitter attenuation/compensation according to TR 62411, ETS-TBR 12/13, PUB 62411
Common master clock reference for E1 and T1/J1 with any frequency within 1.02 and 20 MHz
Power-down function
Support of automatic protection switching
Dual-rail or single-rail digital inputs and outputs
Unipolar CMI for interfacing fiber-optical transmission routes
Selectable line codes (E1: HDB3, AMI/T1: B8ZS, AMI with ZCS)
Loss-of-signal indication with programmable thresholds according to ITU-T G.775, ETS300233 (E1) and ANSI
T1.403 (T1/J1)
Optional data stream muting upon LOS detection
Programmable receive slicer threshold
Features
TM
receive resistors for generic E1/T1/J1
13
Package
PG-TQFP-144-17
P/PG-LBGA-160-1
for E1, 100
for T1 and 110
P/PG-LBGA-160-1
P-TQFP-144-6, -8, -14
for J1
Rev. 1.3, 2006-01-25
PEF 22504 E