Microchip Technology AT27C1024-90JI

AT27C1024-90JI - High-Performance 1Mbit EPROM Memory IC

The AT27C1024-90JI from Microchip Technology is a premium 1-megabit One-Time Programmable (OTP) EPROM designed for embedded and industrial applications requiring reliable, non-volatile memory storage. With a fast 90-nanosecond access time and a robust 44-PLCC surface-mount package, this memory IC delivers exceptional performance in demanding environments where data integrity and long-term reliability are mission-critical.

Key Features & Benefits

• 1Mbit Memory Capacity: Organized as 64K x 16 for flexible data storage and efficient memory addressing
• Ultra-Fast 90ns Access Time: Ensures rapid data retrieval for time-critical applications and real-time systems
• Industrial Temperature Range: Operates reliably from -40°C to 85°C (TC) for harsh environmental conditions
• Parallel Interface: Simplifies integration with microprocessors, microcontrollers, and embedded systems
• Surface Mount Design: 44-LCC (J-Lead) package optimized for automated assembly and high-density PCB layouts
• Wide Voltage Range: 4.5V to 5.5V supply voltage for versatile system compatibility and design flexibility
• One-Time Programmable: Secure, permanent data storage ideal for firmware, boot code, and configuration data
• High Reliability: Proven Microchip Technology quality with full traceability and lifecycle support

Applications & Use Cases

The AT27C1024-90JI is the ideal choice for a wide range of demanding applications:

• Firmware Storage: Permanent boot code and system initialization routines
• Aerospace & Defense: Mission-critical systems requiring tamper-proof, non-volatile storage
• Automotive Electronics: Engine control units (ECUs), instrument clusters, and safety systems
• Industrial Control Systems: PLCs, SCADA systems, and factory automation equipment
• Embedded Computing: Single-board computers, embedded controllers, and IoT devices
• Lookup Tables: Pre-calculated data tables for signal processing and control algorithms
• Configuration Data: System parameters, calibration values, and device settings
• Legacy System Support: Replacement memory for long-lifecycle industrial and military equipment

Design Advantages

Engineers choose the AT27C1024-90JI for its proven reliability, ease of integration, and long-term availability. The parallel interface ensures straightforward connection to standard microprocessor buses, while the industrial temperature range guarantees operation in extreme environments. The OTP architecture provides permanent, tamper-resistant storage without the complexity of external programming hardware.

Why Choose HQICKEY?

At HQICKEY, we specialize in authentic sourcing and lifecycle support for premium semiconductor components. Our engineering-focused approach ensures you receive genuine Microchip Technology products with full traceability, comprehensive technical documentation, and expert support to accelerate your design decisions. We understand the critical importance of component authenticity and supply chain integrity for industrial and embedded applications.

Quality Assurance & Support

Every AT27C1024-90JI purchased from HQICKEY comes with:

• 100% authentic Microchip Technology components with full traceability
• Comprehensive datasheets and technical documentation
• Expert technical support for design integration and troubleshooting
• Long-term lifecycle management and obsolescence planning
• Fast, reliable worldwide shipping with secure packaging

Related Products & Resources

Explore our complete range of Memory Semiconductor Devices including EEPROM, Flash, DRAM, and SRAM solutions ranging from 64-bit to 6-terabit capacities for your embedded and industrial projects.

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