Z8L18220ASC

The Z8L18220ASC is an embedded microprocessor from Zilog's Z180 LV (Z8L182) series featuring a single Z8S180 8-bit core running at 20 MHz. Designed for commercial embedded applications, the device provides 3.3 V I/O, DRAM controller support and a 100-VQFP (14×14) surface-mount package for compact board-level integration.

With a commercial operating temperature range of 0 °C to 70 °C and RoHS compliance, this part addresses standard embedded control, interface and legacy-system needs where a compact, 8-bit MPU solution is required.

Key Features

• Core — Single Z8S180 8-bit core operating at 20 MHz, suitable for control and embedded processing tasks.
• Memory Support — DRAM controller provided for external memory interfacing.
• Power and I/O — 3.3 V I/O voltage to match modern low-voltage peripherals and interfaces.
• Interfaces — Includes ASCI interface for serial communication and peripheral connectivity.
• Package and Mounting — 100-VQFP (14×14 mm) package in a 100-LQFP footprint, designed for surface-mount assembly.
• Operating Range and Grade — Commercial grade device rated for 0 °C to 70 °C operation.
• Environmental Compliance — RoHS compliant.
• Graphics — No graphics acceleration.

Typical Applications

• Embedded Control — 8-bit core at 20 MHz for device control, sequencing and lightweight real-time tasks.
• Peripheral Interface Modules — ASCI interface and 3.3 V I/O for serial peripheral communication and I/O integration.
• Legacy System Upgrades — Pin- and package-compatible upgrades where a compact 100-VQFP MPU is required.
• Development and Evaluation — Commercial embedded projects and educational platforms using a proven Z8S180 core.

Unique Advantages

• Established Z8S180 Core — Single 8-bit core at 20 MHz provides predictable, deterministic processing for control-oriented designs.
• Low-Voltage I/O — 3.3 V I/O simplifies interfacing with contemporary low-voltage peripherals and logic.
• DRAM Controller — Built-in DRAM controller enables external memory expansion when needed without additional controllers.
• Compact Surface-Mount Package — 100-VQFP (14×14) package allows for high-density PCB layouts and automated assembly.
• Commercial Temperature Rating — Rated 0 °C to 70 °C for a wide range of standard embedded environments.
• RoHS Compliant — Meets common environmental compliance requirements for modern electronics manufacturing.

Why Choose Z8L18220ASC?

The Z8L18220ASC positions itself as a reliable, compact 8-bit microprocessor option within Zilog's Z180 LV family, combining a Z8S180 core running at 20 MHz with DRAM controller capability and 3.3 V I/O. Its 100-VQFP surface-mount package and commercial temperature range make it suitable for a broad set of embedded applications that require straightforward processing and peripheral interfacing.

This device is a practical choice for designers and procurement teams building commercial embedded systems, modular peripheral controllers, and development platforms that benefit from an established 8-bit architecture and RoHS compliance.

Request a quote or submit a parts inquiry to receive pricing, lead-time and availability information for the Z8L18220ASC.