LE792388TVCT

Telecom Overview

The LE792388TVCT is an octal subscriber line audio processing circuit (SLAC) from Microchip Technology, designed for Next Generation Carrier Chipset applications. It implements a high-density eight-channel universal telephone line interface when paired with the LE79271 SLIC device. The component features a high-performance digital signal processor that allows full software programmability of AC, DC, and signaling parameters via a microprocessor interface. It supports standard PCM and MPI digital interfaces and includes integrated test tools utilizing VCP primitives to resolve faults.

Telecom Feature Summary

• Provides fully software-programmable control over major line card functions including codec/filtering, gain, impedance, and loop supervision.
• Integrates a comprehensive test toolbox with GR-844 equivalent testing capabilities and fault resolution routines.
• Supports enhanced line control features such as DTMF detection, tone generation, and metering at specific frequencies.

Telecom Applications

• Next Generation Broadband xDSL systems
• Triple play application line cards
• High density medium and large line count telephony interfaces

Telecom Procurement Notes

Verify the package type matches the LQFP-176 specification and confirm the tape-and-reel packaging format indicated by the suffix. Ensure the ordering part number corresponds to the specific revision documented in the official datasheet to guarantee compatibility with existing firmware and hardware designs.

Telecom Selection Notes

Select this component for designs requiring an API-compatible replacement for VE790 Series architectures. It is suitable for applications demanding worldwide applicability through programmable signaling parameters. Consider pairing with the LE79271 SLIC device to achieve the complete eight-channel universal telephone line interface solution.

Telecom Part Context

This device belongs to the Next Generation Carrier Chipset (NGCC) family from Microchip Technology. It serves as the central processing unit for subscriber line audio, working in conjunction with line interface circuits to manage telecommunications signals efficiently.

Telecom Replacement Considerations

The LE792388 is API-compatible with VE790 Series designs. Verify pinout and register mapping compatibility before substituting legacy components in existing board layouts.