Manufacturer Part Number
M27C512-90B1
Manufacturer
stmicroelectronics
Introduction
The M27C512-90B1 is an EPROM (Erasable Programmable Read-Only Memory) chip used for storing non-volatile data.
Product Features and Performance
Memory Type: Non-Volatile
Memory Format: EPROM
Technology: EPROM - OTP (One-Time Programmable)
Memory Size: 512Kbit
Memory Organization: 64K x 8
Memory Interface: Parallel
Access Time: 90 ns
Voltage Supply: 4.5V ~ 5.5V
Operating Temperature Range: 0°C ~ 70°C
Mounting Type: Through Hole
Package: 28-DIP (0.600", 15.24mm)
Product Advantages
Reliable data retention
Operable across a wide range of voltages
Suitable for applications requiring exposure to varying temperatures
Easily programmable with a parallel interface
Key Technical Parameters
Memory Size: 512Kbit
Access Time: 90ns
Supply Voltage: 4.5V to 5.5V
Operating Temperature: 0°C to 70°C
Quality and Safety Features
Complies with standard voltage and temperature ratings for EPROM technologies
Compatibility
Interface: Parallel
Mounting: Through Hole packaging compatible with standard DIP sockets
Application Areas
Used in application where long-term data storage without power is necessary
Ideal for firmware storage and device configuration settings in embedded systems
Product Lifecycle
Status: Obsolete
Note: Users may need to find replacements or consider upgrades as this product is no longer in production
Several Key Reasons to Choose This Product
High speed access time (90ns) ensures efficient retrieval of data
Wide voltage range (4.5V ~ 5.5V) provides operational flexibility across different systems
The non-volatile nature of EPROM allows data retention without power
Robust operating temperature range facilitates use in various environments
Through Hole mounting eases the installation process on boards with DIP sockets
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