Z8S18020PSG

The Z8S18020PSG from Zilog is a Z8S180-series microprocessor IC featuring a single 8-bit Z180 core running at 20 MHz. It is supplied in a 64-pin DIP (0.750", 19.05 mm) through-hole package with 5 V I/O and an integrated DRAM controller.

Designed for embedded microprocessor applications, this commercial-grade device operates across a 0 °C to 70 °C range, includes an ASCI interface, and is RoHS compliant—providing a compact, through-hole option for systems that require a Z180-based MPU with DRAM support.

Key Features

• Core  Single Z8S180 8-bit core running at 20 MHz for deterministic 8-bit processing.
• Memory Support  DRAM controller included to simplify external memory interfacing.
• I/O Voltage  5 V I/O compatibility for interfacing with standard 5 V logic systems.
• Interfaces  Additional ASCI interface available for serial communications.
• Package & Mounting  64-DIP (0.750", 19.05 mm) through-hole package suitable for legacy PCBs and prototyping.
• Operating Range & Grade  Commercial grade with an operating temperature range of 0 °C to 70 °C.
• Environmental Compliance  RoHS compliant.

Typical Applications

• Embedded Systems  Use as the main MPU in embedded microprocessor designs requiring a Z180-class core and 5 V I/O.
• Legacy and Through-Hole Designs  Drop-in compatible for boards and retrofit projects that require a 64-DIP through-hole package.
• Memory-Driven Control Systems  Applications that leverage the integrated DRAM controller for external memory interfacing.
• Serial Interface Applications  Systems that utilize the ASCI interface for serial communication tasks.

Unique Advantages

• Single 8-bit Z8S180 core at 20 MHz: Delivers a known, fixed processing capability suitable for deterministic embedded control tasks.
• Integrated DRAM controller: Reduces external memory interface complexity and component count.
• 5 V I/O compatibility: Eases integration into existing 5 V logic systems and legacy designs.
• Through-hole 64-DIP package: Simplifies prototyping, manual assembly, and replacement on legacy boards.
• Commercial temperature rating and RoHS compliance: Ensures suitability for standard commercial applications with environmental compliance.

Why Choose Z8S18020PSG?

The Z8S18020PSG combines a Zilog Z8S180 8-bit core, 20 MHz clock, DRAM controller and ASCI interface in a classic 64-pin DIP through-hole form factor. This combination provides a compact, integration-focused option for embedded and retrofit designs that require 5 V compatibility and external memory support.

Its commercial temperature rating and RoHS compliance make it appropriate for a wide range of standard embedded applications, while the through-hole package supports prototyping, manual assembly, and legacy board requirements. The product suits designers and purchasers looking for a Z180-series MPU in a DIP package with straightforward memory and serial interface capabilities.

Request a quote or submit an inquiry for pricing and availability of the Z8S18020PSG to evaluate it for your next embedded or legacy-platform design.