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They are suited for applications requiring 1 mm or less mounted height and are commonly used in analog and operational amplifiers, controllers and Drivers, Logic, Memory, and RF/Wireless, Disk drives, video/audio and consumer electronics.
The size of the Mini Small Outline Package is only 3mm × 3mm for the 8 and 10 pin versions [1] and 3mm × 4mm for the 12 and 16 pin version. [2] [3] The small package offers a small footprint, short wires for improved electrical connections, and good moisture reliability. [1] Some versions have an exposed pad on the bottom side.
Size comparison of BJT transistor packages, from left to right: SOT-23, TO-92, TO-126, TO-3 3D model of TO-3 package. In electronics, TO-3 is a designation for a standardized metal semiconductor package used for power semiconductors, including transistors, silicon controlled rectifiers, and, integrated circuits.
Early integrated circuits were packaged in ceramic flat packs, which the military used for many years for their reliability and small size. The other type of packaging used in the 1970s, called the ICP (Integrated Circuit Package), was a ceramic package (sometimes round as the transistor package), with the leads on one side, co-axially with the ...
NEC and Toshiba used this process for their 4 Mb DRAM memory chips in 1986. [47] Hitachi, IBM, Matsushita and Mitsubishi Electric used this process for their 4 Mb DRAM memory chips in 1987. [37] Toshiba's 4 Mb EPROM memory chip in 1987. [47] Hitachi, Mitsubishi and Toshiba used this process for their 1 Mb SRAM memory chips in 1987. [47]
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The material interconnects are made from depends on many factors. Chemical and mechanical compatibility with the semiconductor substrate and the dielectric between the levels of interconnect is necessary, otherwise barrier layers are needed. Suitability for fabrication is also required; some chemistries and processes prevent the integration of ...
In semiconductor design, standard-cell methodology is a method of designing application-specific integrated circuits (ASICs) with mostly digital-logic features. Standard-cell methodology is an example of design abstraction, whereby a low-level very-large-scale integration layout is encapsulated into an abstract logic representation (such as a NAND gate).