Manufacturer Part Number
AT27C256R-70RU
Manufacturer
Microchip Technology
Introduction
The AT27C256R-70RU is a 256Kbit, parallel interface, one-time programmable (OTP) electrically programmable read-only memory (EPROM) device.
Product Features and Performance
Non-Volatile EPROM memory
OTP functionality
Memory Size: 256Kbit
Memory Organization: 32K x 8
Access Time: 70 ns
Surface Mount package
Product Advantages
Reliable data retention
Ease of integration with a parallel memory interface
Stable operation across a wide voltage range: 4.5V ~ 5.5V
Industrial operating temperature range: -40°C ~ 85°C
Key Technical Parameters
Memory Type: EPROM
Memory Format: EPROM - OTP
Write Cycle Time: Not specified
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature: -40°C ~ 85°C (TC)
Quality and Safety Features
Ensured data integrity and retention over an extended period
Compliance with industrial quality and safety standards
Compatibility
Standard 28-SOIC package compatible with common surface mount technology
Application Areas
Used in legacy systems where memory content is fixed and infrequently updated
Product Lifecycle
Obsolete - Check for potential replacement or upgrade options
Several Key Reasons to Choose This Product
Stable memory solution for permanent data storage
Requires no battery to maintain data
Optimized for high-reliability applications
Adequate for industrial environments with its wide temperature range
Direct, compatible replacements for other 28-SOIC EPROM devices.