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Spacecraft Systems In Production

XY6664RH Radiation-Resistant 8K×8bit PROM

The XY6664RH is a programmable read-only memory (PROM) chip developed with 0.18 μm CMOS technology. It offers high performance, radiation resistance, and low power consumption. The device is equipped with a dedicated programmer supporting both manual and automatic programming. It is suitable for aerospace electronics and control applications.

XY6664RH Radiation-Resistant 8K×8bit PROM

Key Specifications

Process Technology
0.18 μm
Dimensions (mm)
35.5 × 15.5 × 3
Weight (g)
4.7
Operating Temperature (°C)
−55 to +125
Storage Temperature (°C)
−65 to +150
Package Type
CDIP28
Published: October 16, 2025 Last updated: October 18, 2025
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Quick Overview

The XY6664RH is a programmable read-only memory (PROM) chip developed with 0.18 μm CMOS technology. It offers high performance, radiation resistance, and low power consumption. The device is equipped with a dedicated programmer supporting both manual and automatic programming. It is suitable for aerospace electronics and control applications.

Key Specifications

ParameterValue
Process Technology0.18 μm
Dimensions (mm)35.5 × 15.5 × 3
Weight (g)4.7
Operating Temperature (°C)−55 to +125
Storage Temperature (°C)−65 to +150
Package TypeCDIP28
Quality GradeCAST C

Key Features

  • Programmable and read-only operation.
  • 8K×8bit storage capacity.
  • Strong radiation resistance.
  • Fully independent and controllable design.

Applications

  • Used in aerospace embedded electronic systems, first flight planned for 2019.

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Frequently Asked Questions

Common questions about XY6664RH Radiation-Resistant 8K×8bit PROM

What is the capacity of the XY6664RH PROM?

The XY6664RH is a programmable read-only memory with 8K x 8-bit storage capacity, fabricated on 0.18 um CMOS technology for aerospace electronics and control applications.

How is the XY6664RH programmed?

It is equipped with a dedicated programmer that supports both manual and automatic programming. The device is programmable and read-only with strong radiation resistance.

What are the package, size, and temperature ratings?

The XY6664RH is supplied in a CDIP28 package at CAST C quality grade, measures 35.5 x 15.5 x 3 mm, weighs about 4.7 g, and operates from -55 to +125 C.

Is the XY6664RH domestically developed?

Yes. The XY6664RH uses fully independent and controllable technology and is intended for aerospace embedded electronic systems.

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