PEB22554 SIEMENS [Siemens Semiconductor Group], PEB22554 Datasheet - Page 182

• Manufacturer Part Number: PEB22554
• Description: ICs for Communications
• Manufacturer: SIEMENS [Siemens Semiconductor Group]

Type
PEB 22554-H
Quad Framing and Line Interface Component for E1/T1
QuadFALC
QuadFALC in T1 / J1 Mode
5
Quad Line Interface
• High density, generic interface for all E1 / DS1 / DSX-1
• Analog receive and transmit circuitry for long / short
• Data and clock recovery using an integrated
• Maximum line attenuation up to -36 dB at 772 kHz
• Programmable Line Build-Out for CSU signals according to ANSI T1. 403+ FCC68
• Low transmitter output impedance for high transmit return loss
• Tri-state function of the analog Transmit Line Outputs
• Programmable transmit pulse shape
• Transmit line monitor protecting the device from damage
• Jitter specifications of ITU-T I.431, G.703 and AT&T TR 62411 met
• Crystal-less wander and jitter attenuation/compensation
• Low frequency reference clock: 1.544 MHz
• Power down function per channel
• Dual rail or single rail digital inputs and outputs
• Unipolar NRZ for interfacing fibre optical transmission routes
• Selectable line codes (B8ZS, AMI with ZCS)
• Loss of signal indication with programmable thresholds according to ITU-T G.775 and
• Clock generator for jitter free system / transmit clocks per channel
• Local loop and remote loop for diagnostic purposes
• Low power device , single power supply: 3.3 V
Semiconductor Group
/ J1 applications
haul applications
digital phase locked loop
adaptively controlled receive equalization network adjusts up to 6200 feet (pulp
22AWG) in length, noise - and crosstalk -filter, line attenuation status
0dB, -7.5dB, -15dB, -22.5 dB
ANSI T1. 403
Features T1 / J1
Version
V1.1
182
Ordering Code
P-TQFP-144
Package
P-TQFP-144(SMD)
PEB 22554
CMOS
09.98