IEC 60748-4:1997

Overview

The IEC 60748-4:1997 standard, issued by the International Electrotechnical Commission (IEC), focuses on semiconductor devices specifically concerning integrated circuits (ICs) used as interface integrated circuits. This standard defines requirements, terminologies, and detailed technical specifications for a range of interface IC categories. The primary objective is to ensure consistency, interoperability, and performance reliability in interface circuits used in electronic systems.

The scope of IEC 60748-4:1997 covers critical interface ICs including:

• Line circuits (transmitters and receivers)
• Sense amplifiers
• Peripheral drivers and memory drivers
• Level shifters
• Voltage comparators
• Linear and non-linear analogue-to-digital (ADC) and digital-to-analogue converters (DAC)
• Control circuits for switch-mode power supplies
• Companding Pulse Code Modulation coder-decoders (PCM CODEC)
• Digital interface ICs such as UBF
• Integrated Services Digital Network (ISDN) related circuits

By addressing such a wide array of interface integrated circuits, this standard supports the development and manufacturing of semiconductor devices that underpin modern electronic communication and control systems.

Key Topics

IEC 60748-4:1997 is structured to provide comprehensive guidelines across multiple categories of interface ICs. Key sections include:

• Terminology and Symbols: Standardisation of terms and letter symbols ensuring consistent communication in technical documentation and implementation.
• Essential Ratings and Characteristics: Specifications for parameters such as limiting values, function descriptions, operating conditions, electrical and mechanical characteristics critical for design and quality assurance.
• Categories of Interface ICs:
  • Category I: Line circuits including transmitters, receivers, and peripheral drivers.
  • Category II: ADCs and DACs, both linear and non-linear.
  • Category III: Control circuits for switch-mode power supplies.
  • Category IV: PCM companding coder-decoders and their associated filters.
  • Category V: Digital interface IC functional blocks involving CPU peripherals and communication controllers.

Additionally, the standard offers detailed application data and handling precautions to guide manufacturers and developers in optimizing device reliability and performance.

Applications

The IEC 60748-4:1997 standard is essential in multiple practical scenarios:

• Telecommunication Systems: Ensures robust and interoperable line circuits for transmitters, receivers, and ISDN interfaces.
• Data Converters: Supports accurate and reliable analogue-to-digital and digital-to-analogue conversion required in signal processing and instrumentation.
• Power Electronics: Defines control circuits for efficient switch-mode power supplies, integral for power management in electronic devices.
• Audio and Communication Codec Development: Guides design of companding PCM coder-decoders vital in digital audio and telephony.
• Embedded Systems: Provides standards for digital interface ICs, including CPU peripheral controllers and communication device interfaces.

Adoption of this standard facilitates compliance with international quality norms, promotes harmonized manufacturing practices, and enhances device compatibility across global markets.

Related Standards

Professionals working with IEC 60748-4:1997 might also consider:

• IEC 60748-1: Covers general specifications for semiconductor integrated circuits.
• IEC 50 (International Electrotechnical Vocabulary - IEV): For standardized terminology related to electrical, electronic, and related technologies.
• IEC 27 / IEC 417 / IEC 617 / IEC 878: Standards related to graphical and letter symbols used in electrical and electronic schematics.
• IEC 60748-5: For additional semiconductor device categories and integrated circuits not covered in Part 4.

Reviewing related standards helps ensure comprehensive compliance with IEC protocols and facilitates better integration of interface integrated circuits into diverse electronic systems.

Keywords: IEC 60748-4, interface integrated circuits, semiconductor devices, line circuits, analogue-to-digital converters, digital-to-analogue converters, switch-mode power supply, PCM coder-decoder, ISDN, electronic standards, integrated circuits specifications.