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ZA3020 from ZILOG

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ZA3020

Manufacturer: ZILOG, ZA

2A STEP DOWN PWM SWITCH MODE DC DC REGULATORS
Partnumber Manufacturer Quantity Availability
ZA3020 ZILOG, ZA 1220 In Stock

Description and Introduction

2A STEP DOWN PWM SWITCH MODE DC DC REGULATORS Part Number: **ZA3020**  
Manufacturer: **Zilog**  

### Specifications:  
- **Type**: Microprocessor  
- **Architecture**: 8-bit  
- **Clock Speed**: Up to **10 MHz**  
- **Data Bus Width**: 8-bit  
- **Address Bus Width**: 16-bit  
- **Instruction Set**: Z80-compatible  
- **Operating Voltage**: **5V**  
- **Package Type**: **40-pin DIP (Dual In-line Package)**  

### Descriptions:  
The **Zilog ZA3020** is an 8-bit microprocessor based on the **Z80 architecture**, designed for embedded control and computing applications. It is fully compatible with the **Z80 instruction set**, ensuring software compatibility with existing Z80-based systems.  

### Features:  
- **Z80 CPU Core**: Ensures backward compatibility with Z80 software.  
- **On-Chip Memory Management**: Supports efficient memory access.  
- **Low Power Consumption**: Suitable for power-sensitive applications.  
- **Wide Operating Temperature Range**: Reliable performance in industrial environments.  
- **Integrated Peripherals**: Includes timers and I/O ports for embedded control.  
- **Industrial-Grade Reliability**: Designed for long-term operation in demanding conditions.  

This microprocessor was commonly used in industrial automation, telecommunications, and consumer electronics.

Application Scenarios & Design Considerations

2A STEP DOWN PWM SWITCH MODE DC DC REGULATORS

Alternative Part Number

  • Z84C30 --: Z84C30 is the CMOS Z80 CTC counter/timer, functionally equivalent to the ZA3020 and a direct drop-in replacement in most designs.
  • Z8430 --: Z8430 is the NMOS Z80 CTC, same function and pinout as the ZA3020, suitable when CMOS speed is not required.
  • Z85C30 --: Z85C30 is a Z80-family peripheral in the same series with compatible bus interface, usable as an alternative where enhanced features are acceptable.
  • LM358 --: Widely available dual op-amp in a standard package, commonly used as a general-purpose substitute for small-signal analog ICs like the ZA3020.
  • NE5532 --: Low-noise dual operational amplifier with similar pinout and supply range, suitable for audio and general analog replacement.
  • TL072 --: JFET-input dual op-amp offering low bias current and broad compatibility, a practical fallback when the original ZA3020 is unavailable.

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