Description

The AT27C256R-70PU is a one-time programmable read-only memory that’s designed to provide a low-power, high-performance performance for microprocessor systems. It features a storage capacity of up to 32K bytes and is organized in 32K by 8 bits format. This component requires only one 5V power supply during normal read mode operation, making it one of the most efficient solutions available in the market.

With its low active power consumption and fast programming, the AT27C256R-70PU is an ideal memory solution for various applications. It features a fast read access time of 45 ns, which eliminates the need for speed reducing WAIT states on high-performance microprocessor systems allowing for faster data retrieval and processing.

Specifications and features

The AT27C256R-70PU offers a wide range of features that make it a top-performing solution for memory applications. Some of its key specifications include:

• Fast Read Access Time: 45 ns
• Low-Power CMOS Operation
• JEDEC Standard Packages
• 5V ± 10% Supply
• Rapid Programming Algorithm – 100 µs/Byte (Typical)
• CMOS and TTL Compatible Inputs and Outputs
• 2,000V ESD Protection
• 200 mA Latchup Immunity
• Industrial and Automotive Temperature Ranges
• Green (Pb/Halide-free) Packaging Option

Application Scenarios

The AT27C256R-70PU offers an ideal solution for memory applications in various sectors, including:

• Telecom industry
• Datacenter management systems
• PCs and laptops
• Consumer electronics
• Industrial control systems
• Automotive electronics

Comparison

• Low-power consumption
• Fast programming speed
• High-performance output
• Industry-standard, JEDEC-approved
• Integrated product identification code

• One-time programmable and non-erasable
• Limited storage capacity
• Not suitable for applications that require frequent changes in firmware or configurations