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Z8400AB1 from ST,ST Microelectronics

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Z8400AB1

Manufacturer: ST

Z80 CPU Central Process Unit

Partnumber Manufacturer Quantity Availability
Z8400AB1 ST 138 In Stock

Description and Introduction

Z80 CPU Central Process Unit Here is the factual information about part **Z8400AB1** from the manufacturer **ST**:  

### **Specifications:**  
- **Manufacturer:** STMicroelectronics (ST)  
- **Part Number:** Z8400AB1  
- **Type:** Z80 CPU (8-bit microprocessor)  
- **Clock Speed:** 4 MHz (standard)  
- **Operating Voltage:** 5V  
- **Technology:** NMOS  
- **Package:** 40-pin DIP (Dual In-line Package)  
- **Instruction Set:** Z80-compatible  
- **Address Bus:** 16-bit (supports up to 64KB of memory)  
- **Data Bus:** 8-bit  
- **Interrupts:** Maskable and non-maskable interrupt support  
- **Power Consumption:** ~1W (typical)  

### **Descriptions:**  
The **Z8400AB1** is an 8-bit microprocessor from STMicroelectronics, part of the Z80 family. It is widely used in embedded systems, industrial control, and early personal computers. It features a robust instruction set, efficient interrupt handling, and compatibility with a wide range of peripherals.  

### **Features:**  
- **Full Z80 instruction set compatibility**  
- **On-chip dynamic RAM refresh**  
- **Single 5V power supply**  
- **158 instructions (including all 78 Intel 8080A instructions)**  
- **Internal registers for fast context switching**  
- **Two index registers (IX and IY)**  
- **Built-in DRAM refresh circuitry**  
- **Wide operating temperature range**  

This information is based on the manufacturer's datasheet and technical documentation.

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