GB/T 14027.4-1992
AbolishedSeries and products of communication circuits for semiconductor integrated circuits--Products of dual-tone multi-frequency circuits
半导体集成电路通信电路系列和品种 双音多频电路系列品种
Application Summary AI generated
This standard specifies the series and product types of dual-tone multi-frequency (DTMF) circuits used in semiconductor integrated circuits for communication applications. It is applied in the design, production, and procurement of DTMF encoder/decoder chips for telephone systems, keypads, and other telecommunication equipment requiring tone signaling. The standard ensures compatibility and interchangeability of these circuits across different manufacturers and devices.
Related Standards
GB/T 17574.10-2003
Semiconductor devices--Integrated circuits--Part 2-10:Digital integrated circuits--Blank detail specification for integrated circuit dynamicread/write memories
GB/T 19403.1-2003
Semiconductor devices--Integrated circuits--Part 11:Section 1:Internal visual examination for semiconductor integrated circuits(excluding hybrid circuits)
GB/Z 43510-2023
Integrated circuit TSV 3D package reliability test methods guideline
GB/T 19248-2003
Test method for measuring the resistance of package leads
GB/T 18500.2-2001
Semiconductor devices--Integrated circuits--Part 4:Interface integrated circuits--Section 2:Blank detail specification for linear analogue-to-digital converters(ADC)
GB/T 18500.1-2001
Semiconductor devices--Integrated circuits--Part 4:Interface integrated circuits--Section 1:Blank detail specification for linear digital-to-analogue converters(DAC)
GB/T 5965-2000
Semiconductor devices--Integrated circuits--Part 2:Digital integrated circuits--Section one--Blank detail specification for bipolar monolithic digital integrated circuit gates(excluding uncommitted logic arrays)
GB/T 17940-2000
Semiconductor devices--Integrated circuits--Part 3:Analogue integrated circuits
Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.