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PSD311B-15J from WSI

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PSD311B-15J

Manufacturer: WSI, ST

Low cost field programmable microcontroller peripherals, 150ns

Partnumber Manufacturer Quantity Availability
PSD311B-15J,PSD311B15J WSI, ST 1200 In Stock

Description and Introduction

Low cost field programmable microcontroller peripherals, 150ns The **PSD311B-15J** is a versatile programmable system device (PSD) designed to enhance system-level integration in embedded applications. Combining flash memory, programmable logic, and I/O ports into a single chip, this component simplifies circuit design while improving performance and reducing board space.  

Featuring **15 ns access time**, the PSD311B-15J ensures fast data retrieval, making it suitable for high-speed microcontroller-based systems. Its dual-bank flash memory architecture allows simultaneous read and write operations, improving efficiency in real-time applications. The integrated programmable logic enables custom logic implementation, reducing the need for additional discrete components.  

With configurable I/O ports, the device supports flexible interfacing with various peripherals and microcontrollers. It also includes security features such as memory protection, safeguarding sensitive data from unauthorized access.  

The PSD311B-15J operates across a standard voltage range and is designed for reliability in industrial and commercial environments. Its compact footprint and low power consumption make it an ideal choice for space-constrained and power-sensitive designs.  

Engineers benefit from its ease of integration, reducing development time while maintaining system robustness. Whether used in automation, communications, or consumer electronics, the PSD311B-15J delivers a reliable, high-performance solution for modern embedded systems.

Application Scenarios & Design Considerations

Low cost field programmable microcontroller peripherals, 150ns

Alternative Part Number

  • SST39SF010A-70-4C-PHE --: 1 Mbit flash memory in a comparable PLCC package with similar parallel interface, suitable as a functional substitute for the original WSI flash device.
  • AM29F010B-70JC --: 1 Mbit CMOS flash memory with compatible pinout and access speed, widely used as a drop-in replacement for legacy WSI flash parts.
  • M29F010B-70K6 --: 1 Mbit parallel flash in PLCC package offering similar timing and interface characteristics for legacy designs.
  • W27C512-15 --: 512Kbit EPROM in the same 32-pin package with 150ns access time, functionally compatible with the PSD311B configuration memory.
  • AT28C512-15 --: 512Kbit EEPROM with 150ns speed and similar pinout, usable as a replacement memory device in the same application.
  • M27C512-15 --: 512Kbit EPROM from the same vendor with 150ns access time, matching the memory density and speed grade of the original part.

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