Z8523020VSC00TR

Specialized Overview

The Z8523020VSC00TR is a Serial I/O Controller from the Zilog Enhanced SCC family, designed for high-performance serial communication. It features dual full-duplex channels and supports processing speeds up to 20 MHz. The device utilizes CMOS technology and is housed in a 44-pin Plastic Quad Chip Carrier (PQCC44) package with J-bend terminals. It operates within a commercial temperature range of 0 °C to 70 °C and offers a maximum data transmission rate of 0.625 MBps.

Specialized Feature Summary

• Dual full-duplex serial channels for simultaneous independent operation
• Integrated baud rate generator and digital phase-locked loop per channel
• Supports multiple protocol formats including async, monosync, bisync, SDLC/HDLC, and HDLC loop
• Includes FIFO buffers to reduce CPU overhead and improve cycle access recovery

Specialized Applications

• High-speed serial networking interfaces
• Modem control systems requiring multi-protocol support
• Embedded controllers needing reduced external logic complexity
• Data acquisition systems utilizing DMA capabilities

Specialized Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status as specific suffixes may vary. Check for obsolescence notices regarding the Z85230 series. Ensure proper ESD handling during storage and installation. Validate pin compatibility with existing PCB footprints before procurement.

Specialized Selection Notes

Select this model when dual-channel synchronous or asynchronous communication is required at speeds up to 20 MHz. Compare against the Z85C30 series if industrial temperature ranges are necessary. Consider the Z16C30 series for higher throughput requirements exceeding 20 Mbps. Verify voltage supply compatibility with the target system bus architecture.

Specialized Part Context

This component belongs to the Zilog Enhanced Serial Communication Controller (ESCC) family, specifically the Z85230 series. It represents an evolution of the standard Z85C30 architecture, offering improved performance and integrated features. The VSC suffix indicates a plastic quad chip carrier package suitable for surface mount applications.

Specialized Replacement Considerations

Public confirmed substitute part numbers: Z8523020VSC.