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ZPSD303B-90JI from ST,ST Microelectronics

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ZPSD303B-90JI

Manufacturer: ST, STM

PSD3XX/ZPSD3XX FAMILY LOW COST MICROCONTROLLER PERIPHERALS

Partnumber Manufacturer Quantity Availability
ZPSD303B-90JI,ZPSD303B90JI ST, STM 77 In Stock

Description and Introduction

PSD3XX/ZPSD3XX FAMILY LOW COST MICROCONTROLLER PERIPHERALS The ZPSD303B-90JI is a microcontroller peripheral device manufactured by STMicroelectronics. Below are the factual details from Ic-phoenix technical data files:

### **Manufacturer:**  
STMicroelectronics (ST)  

### **Specifications:**  
- **Part Number:** ZPSD303B-90JI  
- **Speed Grade:** 90JI (90 ns access time)  
- **Technology:** CMOS  
- **Package:** PLCC (Plastic Leaded Chip Carrier)  

### **Descriptions & Features:**  
- **Type:** Programmable System Device (PSD)  
- **Functionality:** Integrates microcontroller peripherals, including programmable logic, memory, and I/O ports.  
- **Memory:**  
  - Flash memory for program storage  
  - SRAM for data storage  
- **Programmable Logic:** Contains a CPLD (Complex Programmable Logic Device) for custom logic functions.  
- **I/O Ports:** Configurable I/O ports for interfacing with external devices.  
- **Voltage Supply:** Typically operates at 5V.  
- **Applications:** Used in embedded systems for industrial, automotive, and consumer electronics.  

This information is based on the manufacturer's documentation for the ZPSD303B-90JI. For exact electrical characteristics and timing diagrams, refer to the official datasheet from STMicroelectronics.

Application Scenarios & Design Considerations

PSD3XX/ZPSD3XX FAMILY LOW COST MICROCONTROLLER PERIPHERALS

Alternative Part Number

  • W78E516B-40PL --: 8051-compatible microcontroller with embedded flash and similar 44-pin PLCC package, suitable for legacy PSD303B socket replacement.
  • AT89C51RC-24JU --: Widely available 8051-family MCU in PLCC44 with comparable speed and I/O, often used where PSD3xx configurable devices are obsolete.
  • DS89C450-MNL --: High-speed 8051-compatible MCU in 44-pin PLCC, drop-in style replacement path for obsolete PSD303B designs.
  • P89V51RD2FBC --: 8051-based flash microcontroller in 44-pin PLCC, offering comparable I/O and memory resources as a practical substitute for the PSD303B configurable MCU peripheral.

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