Z8523L08VEG

Specialized Overview

The Z8523L08VEG is a serial I/O controller manufactured by Zilog, Inc. It features two independent channels and utilizes CMOS technology within a PLCC-44 surface-mount package. The device operates at a maximum clock frequency of 8 MHz with a supply voltage range of 3.0 V to 3.6 V. It supports asynchronous, synchronous byte, HDLC, SDLC, X.25, BISYNC, and extended synchronous protocols. The component includes on-chip data RAM and modem control I/Os usable as general-purpose I/Os. It functions within an operating temperature range of -40°C to +100°C.

Specialized Feature Summary

• Dual-channel serial communication architecture supporting multiple protocol standards including HDLC and X.25.
• Integrated FIFO buffer for status management and on-chip data RAM for operational flexibility.
• Configurable modem control lines that can be repurposed as general-purpose input/output pins.

Specialized Applications

• Network interface controllers requiring high-speed serial data transfer.
• Industrial communication systems utilizing HDLC or SDLC protocols.
• Embedded systems needing dual-port serial connectivity with integrated buffering.

Specialized Procurement Notes

Verify the specific suffix 'VEG' against official Zilog documentation to confirm the exact electrical characteristics, temperature grade, and packaging specifications. Cross-reference the part number with current manufacturer discontinuation notices or product change notifications to ensure availability and compliance with current manufacturing standards before procurement.

Specialized Selection Notes

Select this component when a dual-channel serial controller with integrated FIFO and support for complex protocols like X.25 is required. Ensure the system design accommodates the 3.0 V to 3.6 V supply voltage range and the PLCC-44 footprint. Verify that the 8 MHz clock speed meets the timing requirements of the target serial interface applications.

Specialized Part Context

This part belongs to the Z8523 family of serial I/O controllers produced by Zilog. The family provides versatile communication solutions for embedded applications. The Z8523L08VEG variant specifically denotes the 8 MHz speed grade and the VEG suffix indicating the commercial/industrial temperature range and PLCC-44 package type within the broader Z8523 series lineup.

Specialized Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Consult Zilog technical support or authorized distributors for verified cross-references or obsolescence alternatives.