Purchase PEB22320, In-stock PEB22320 From SeekIC.
MFG:SIEMENS D/C:2002+
Part Number: PEB22320
MFG: SIEMENS
D/C: 2002+
Description: The Primary Rate Access Clock Generator and Transceiver PRACT (PEB 22320) is a monolithic CMOS device ...
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PEB22320
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DataSheet
General Description
PEB22320 General Description
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.
Specially designed line interface circuits simplify the tedious task of protecting the device against overvoltage damage while still meeting the return loss requirements.
The PRACT is suitable for use in a wide range of voice and data applications such as for connections of digital switches and PBX's to host computers, for implementations of primary ISDN subscriber loops as well as for terminal applications. The maximum range is determined by the maximum allowable attenuation.
In the T1 case the PRACT's power consumption is mainly determined by the line length and type of the cable.
PEB22320 Maximum Ratings
| Parameter |
Symbol |
Limit Values |
Unit |
| Voltage on any pin with respect to ground |
VS |
0.4 to VDD + 0.4 |
V |
| Ambient temperature under bias |
TA |
0 to 70 |
°C |
| Storage temperature |
Tstg |
65 to 125 |
°C |
PEB22320 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 BELLCORETR-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
• 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 BELLCORETR-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
PEB22320 Connection Diagram
PEB22320
PDF/DataSheet Download
- Datasheet: PEB22320
- File Size: 302541 KB
- Manufacturer: SIEMENS [Siemens Semiconductor Group]
- Click here to Download
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