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The IS82C52Z is a single-channel Universal Asynchronous Receiver/Transmitter (UART) interface integrated circuit manufactured by Renesas Electronics Corporation. It operates on a 5V power supply with a maximum data rate of 1 Mb/s and supports RS-232 communication protocols. The device is housed in a 28-pin Plastic Leadless Chip Carrier (PLCC-28) package designed for surface mount technology. It functions within an operating temperature range of 0°C to +70°C, drawing a typical operating current of 4 mA. The component has reached the end-of-life stage, indicating it is scheduled for obsolescence.
This component is officially designated as End-of-Life (EOL) by the manufacturer. Availability is restricted to remaining stock or third-party distributors. Verify lot dates and storage conditions carefully due to potential shelf-life limitations associated with moisture-sensitive devices. Confirm final purchase intent as production will cease permanently.
Designers should evaluate alternative components from the same family or newer generations that offer extended availability. Consider pin-compatible upgrades if the PLCC-28 footprint allows. Ensure any replacement maintains compatibility with existing RS-232 voltage levels and baud rate configurations required by the host system architecture.
The IS82C52Z belongs to the 82C52 series of UART controllers, which are CMOS versions of legacy NMOS designs. This series provides general-purpose serial I/O expansion for microprocessor-based systems. The 'IS' prefix typically denotes Intersil branding prior to its acquisition by Renesas Electronics.
Publicly confirmed substitute part numbers are not available in the provided documentation. Users must consult official Renesas cross-reference guides or contact authorized distributors for validated alternatives.