PEB22320N datasheet(5/45 Pages) SIEMENS

Part #	PEB22320N

Description	Primary Rate Access Clock Generator and Transceiver PRACT

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Manufacturer	SIEMENS [Siemens Semiconductor Group]

Direct Link	http://www.siemens.com/

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5 / 45 page

P-LCC-44

Semiconductor Group

5

04.95

Primary Rate Access Clock Generator

and Transceiver

PRACT

PEB 22320

Preliminary Data

CMOS

1

Features

• ISDN line interface for 1544 and 2048 kbit/s (T1 and

CEPT)

• Data and clock recovery

• Transparent to ternary codes

• Low transmitter output impedance for a high return

loss with reasonable protection resistors (CCITT

G.703 requirements for the line input return loss

fulfilled)

• Adaptively controlled receiver threshold

• Programmable pulse shape for T1 applications

• Jitter specifications of CCITT I.431 and BELLCORE

TR-NWT-000499 publications met

• Wander and jitter attenuation

• Jitter tolerance of receiver: 0.5 UI s

• Implements local and remote loops for diagnostic purposes

• Monolithic line driver for a minimum of external components

• Low power, reliable CMOS technology

• Loss of signal indication for receiver

• Clock generator for system clocks

The Primary Rate Access Clock Generator and Transceiver PRACT (PEB 22320) is a

monolithic CMOS device which implements the analog receive and transmit line

interface functions to primary rate PCM carriers. It may be programmed or hard wired to

operate in 1.544-Mbit/s (T1) or 2.048-Mbit/s (CEPT) carrier systems.

The PRACT recovers clock and data using an adaptively controlled receiver threshold.

It will meet the requirement of CCITT I.431 and Bellcore TR-NWT-000499 Issue 5,

December 1993 (Transport System Generic Requirements) in case of pulse shape, jitter

tolerance and jitter transfer characteristic.

Type

Ordering Code

Package

PEB 22320 N

Q67100-A6059

P-LCC-44 (SMD)

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PEB22320N Datasheet(PDF) 5 Page - Siemens Semiconductor Group

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