Manufacturer Part Number
AT27C256R-45JC
Manufacturer
Microchip Technology
Introduction
The AT27C256R-45JC is a 256Kbit, One-Time Programmable (OTP), Non-Volatile EPROM memory chip.
Product Features and Performance
Non-Volatile EPROM technology
OTP (One-Time Programmable)
256Kbit memory size
32K x 8 memory organization
Parallel memory interface for straightforward integration
Access time of 45 ns ensures rapid data retrieval
Operates across a supply voltage range of 4.5V to 5.5V
Surface mount technology for efficient PCB space use
Housed in a 32-LCC (J-Lead) package for durable connectivity
Product Advantages
Permanent data storage without the need for power
Quick data access enhances system performance
Robust in a wide range of applications due to a broad operating temperature range
Compatibility with common EPROM programmers
Key Technical Parameters
Memory Size: 256Kbit
Memory Organization: 32K x 8
Access Time: 45 ns
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: 0°C ~ 70°C (TC)
Package / Case: 32-LCC (J-Lead)
Quality and Safety Features
Manufactured by Microchip Technology, ensuring high reliability and performance
Follows industry standards for non-volatile memory
Compatibility
Complements a wide range of microcontrollers and digital signal processors
Suitable for interface with parallel data bus architectures
Application Areas
Used in embedded systems for firmware storage
Ideal for application-specific integrated circuit (ASIC) prototyping
Applicable in telecom infrastructure, automotive electronics, and industrial control systems
Product Lifecycle
This product is marked as obsolete, indicating that it is near the end of its production life
Potential buyers should inquire Microchip Technology for replacements or upgrades
Several Key Reasons to Choose This Product
Reliable data retention characteristic of EPROM technology
Quick access time facilitates improved system response and efficiency
OTP feature provides secure, tamper-proof storage for critical data
Broad voltage and temperature operating ranges support versatile application requirements
Obsolescence status necessitates careful planning for long-term supply or migration strategies
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