Manufacturer Part Number
AT27C040-90JU
Manufacturer
Microchip Technology
Introduction
High-density 4Mbit One-Time Programmable (OTP) EPROM
Product Features and Performance
Non-Volatile EPROM with 4Mbit memory size
Organized as 512K x 8 for high storage capacity
Parallel memory interface for efficient data transfer
Access Time of 90 ns enabling fast read capabilities
OTP Technology ensuring data permanence
Product Advantages
High density enables storage of large code or data sets
Single 5V supply for simplified power design
High reliability and long data retention period
Compatible with industry-standard programming algorithms
Key Technical Parameters
Memory Size: 4Mbit
Memory Format: EPROM
Technology: EPROM - OTP
Memory Organization: 512K x 8
Access Time: 90 ns
Voltage - Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TC)
Quality and Safety Features
Extended operating temperature range for reliability in harsh conditions
Manufactured by trusted industry leader Microchip Technology
Compatibility
32-LCC (J-Lead) Surface Mount package
Standard voltage and interface for broad compatibility
Application Areas
Embedded systems
Industrial controllers
Telecommunication equipment
Automotive electronics
Product Lifecycle
Product Status: Active
Not nearing discontinuation
Continued manufacturer support and availability
Several Key Reasons to Choose This Product
High storage capacity suitable for complex applications
Rapid access time for performance-sensitive systems
Trusted manufacturer with industry reputation for quality
Wide operating temperature range for use in extreme environments
Stable and mature technology for long-term data integrity
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