STMicroelectronics Z80ACTC/Z8430AB1 Product Overview

The Z80ACTC, also known as the Z8430AB1, is a high-performance peripheral component from STMicroelectronics, designed to complement the Z80 microprocessor family. This versatile chip functions as a Counter/Timer Circuit (CTC) and is an essential building block for managing timing operations and event counting in complex microprocessor systems.

Key Features

• Four Independent Counter/Timer Channels: Each channel can be programmed individually for different modes of operation, enabling a wide range of timing and counting tasks.
• Versatile Clock Inputs: The Z80ACTC can accept a variety of clock inputs, allowing it to be used in different system configurations and with various external time bases.
• Programmable Interrupts: Each channel is capable of generating interrupt requests, which can be programmed for edge sensitivity or level sensitivity to suit various application requirements.
• Down Counter with Auto-Reload: The counters can be set to automatically reload from an internal register, ensuring continuous operation without the need for processor intervention.
• Wide Frequency Range: The device is capable of handling a broad frequency spectrum, making it suitable for applications that require precise timing over a wide range of speeds.
• Easy Integration: The Z80ACTC is designed to directly interface with the Z80 CPU and other Z80 family members without the need for additional glue logic.
• Industry-Standard Package: The component comes in a 28-pin DIP (Dual In-line Package), which is a common package type for easy insertion or surface mounting on printed circuit boards.

Applications

The Z80ACTC is a versatile component suitable for a variety of applications where precise timing and counting are crucial. These include:

• Industrial control systems
• Event counters and digital timers
• Real-time clocks
• Motor control applications
• Communication systems
• Complex data acquisition systems

With its robust set of features and compatibility with the Z80 microprocessor family, the Z80ACTC/Z8430AB1 is an excellent choice for engineers and designers looking to build reliable and efficient timing solutions in their electronic projects.