Z8S18020FSG

The Z8S18020FSG is a Zilog Z8S180-series microprocessor IC featuring a single 8-bit core operating at 20 MHz. Designed for embedded applications, it combines a Z8S180 core, DRAM controller support and an ASCI interface in a surface-mount 80-QFP package.

Commercial-grade and RoHS-compliant, the device offers 5 V I/O and a 0 °C to 70 °C operating range, making it suitable for a range of standard embedded designs that require predictable 8-bit processing in a compact package.

Key Features

• Core & Performance Single Z8S180 core with an 8-bit data width running at 20 MHz for deterministic embedded processing.
• Memory Support Integrated DRAM controller capability to interface with external dynamic RAM implementations.
• Power & I/O 5 V I/O signaling to match standard legacy logic levels.
• Interfaces Includes an ASCI interface for serial communications and peripheral connectivity.
• Package & Mounting Supplied in an 80-pin QFP package (80-BQFP / 80-QFP) for surface-mount assembly.
• Operating Range & Grade Commercial-grade device rated for operation from 0 °C to 70 °C and RoHS compliant.

Typical Applications

• Embedded Systems Use as the main processing element in compact embedded designs that require an 8-bit microprocessor.
• DRAM-Backed Designs Systems that need external dynamic RAM interfacing via the included DRAM controller capability.
• Serial-Control Interfaces Applications that require ASCI serial communication for peripheral control or data exchange.

Unique Advantages

• Predictable 8-bit Performance: Single-core Z8S180 architecture running at 20 MHz provides consistent timing for control-oriented tasks.
• DRAM Controller Onboard: Simplifies designs that require dynamic RAM by providing dedicated controller support.
• Standard 5 V I/O Compatibility: Facilitates direct interfacing with legacy 5 V logic without level translation.
• Surface-Mount 80-QFP Packaging: Compact 80-pin QFP package supports automated assembly and dense board layouts.
• Commercial and RoHS-Compliant: Suitable for commercial product lines with environmental compliance for lead-free assembly.

Why Choose Z8S18020FSG?

The Z8S18020FSG positions itself as a practical, commercially graded 8-bit microprocessor solution for embedded designs that need a balance of integration and straightforward interfacing. With its Z8S180 core, DRAM controller support, ASCI interface and 5 V I/O, it addresses common requirements in compact control and interface applications while fitting standard surface-mount manufacturing flows.

This part is appropriate for engineers and designers seeking a reliable 8-bit MPU in an 80-QFP footprint for projects operating within a 0 °C to 70 °C range and targeting RoHS-compliant assemblies.

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