PSB 7115 Selling Leads, Price trend, PSB 7115 DataSheet download, circuit diagram from SeekIC.com

Features: • Modem modulation up to 33600 bit/s (V.34bis) including fallback modes• Fax modulation up to 14400 bit/s (V.17) including fallback modes• Bit rate adaptation according to V.110 for both Bchannels (except during datamodem modulation)• DTMF generation and detection...

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SeekIC No. : 004465740 Detail

PSB 7115: Features: • Modem modulation up to 33600 bit/s (V.34bis) including fallback modes• Fax modulation up to 14400 bit/s (V.17) including fallback modes• Bit rate adaptation according t...

PSB 7115 Data Sheet

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Part Number:: PSB 7115
Supply Ability:: 5000

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Upload time: 2024/11/25

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Product Details

Description

Features:

• Modem modulation up to 33600 bit/s (V.34bis) including fallback modes
• Fax modulation up to 14400 bit/s (V.17) including fallback modes
• Bit rate adaptation according to V.110 for both Bchannels (except during datamodem modulation)
• DTMF generation and detection in one channel
• Two universal formatters supporting ASYNC (ITU-T V.14), HDLC and binary framing of data for Bchannel applications
• V.8 rate negotiation
• ISDN D-channel HDLC controller with TIC bus support
• ISDN C/I-channel and MONITOR channel handler
• IOM-2 terminal mode (1.536 MHz), line card mode (4.096 MHz)
• Mailbox interface for host communication
• External memory interface to connect external program and data memory
• Upgradeable to new technologies (e.g. PCM modem)
• 256 byte FIFO per direction for host interface communication of B-channel data
• 9 programmable general purpose I/O lines
• On-Chip PLL for clock generation
• 3.3 V power supply
• Thin QFP-package
• Advanced CMOS technology

Pinout

Connection Diagram

Specifications

Parameter	Symbol	Limit Values	Units
Ambient temperature under bias	T_A	0 to 70
Storage temperature	T_stg	65 to 125
Supply Voltage	V_DD	0.3 to 4.2	V
Supply Voltage	V_DDA	0.3 to 4.2	V
Supply Voltage	V_DDAP	0.3 to 4.2	V
Supply Voltage	V_DDP	0.3 to 6.0	V
Voltage of pin with respect to ground: XTAL1, XTAL2,	V_S	0.3 to VDDA + 0.5	V
Voltage on any pin with respect to ground	V_S	If V_DDP < 3 V: 0.3 to V_DD + 0.5 If V_DDP> 3 V: 0.3 to V_DDP+ 0.5	V

Note: Stresses above those listed here may cause permanent damage to the device. Exposure to absolute maximum
         rating conditions for extended periods may affect device reliability.

Note: The ISAR 34 is an ESD (electrostatic discharge) sensitive device. Electrostatic charges readily accumulate on
         the human body and equipment and can discharge without detection. Permanent damage may occur to
        devices subjected to high energy electrostatic discharges.

Description

The ISAR 34, PSB 7115 ISDN Data Access Controller forms an advanced solution for ISDN applications communicating with remote ISDN as well as analog terminals.

The ISAR 34 PSB 7115 follows its predecessor ISAR PSB 7110 which is capable of modem modulation up to 14400 bit/s (V.32bis). The new ISAR 34 has the similar functional architecture and additionally supports modem modulation up to 33600 bit/s (V.34bis). As well the platform is upgradeable to new modem standards (PCM modems) and is able to run algorithms for audio compression (e.g. G.728) or answering machine alternatively. A special version called "ISAR AC" is available for this purpose

The ISAR 34 PSB 7115 is designed for data access over ISDN. It can be used in data terminals combining ISDN and analog functionality for communication with remote subscribers. It can also be integrated in fax/modem pools and routers.

The ISAR PSB 7115 AC version fits perfectly into H.320/H.324 video conferencing systems, in which it supports both the modem and audio functions.

PSB 7115 integrates two data formatting units which support binary framing, HDLC and ASYNC, which is an asynchronous data formatting according to ITU-T V.14. The data from the formatting units is input data to a fax/modem modulation or V.110 or transparent framing towards the IOM-2 timeslots. As well one channel DTMF generation and detection is
supported in the data pump.

The ISAR 34 PSB 7115 operates on the IOM-2 interface in terminal mode (1.536 MHz DCL) and is also designed to operate on line-card IOM-2 interfaces (4.096 MHz DCL).

As the DSP program is downloaded into external memory connected to the memory interface of the ISAR 34, firmware upgrades for new algorithms and future applications are quite easy to realize. For example a further version will fully provide a codec interface to support the Siemens Analog Line Interface Solution ALIS for analog modem applications.

An elaborate mailbox interface with 256 byte buffers in each direction reduces the number of registers to a minimum.

The PSB 7115 ISDN Data Access Controller is a CMOS device offered in a thin quadflat pack package. It operates from a single 3.3 V supply and the inputs are 5V safe.

PSB 7115

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