AT27C040-70JU

Overview of AT27C040-70JU

The AT27C040-70JU is a 4-megabit (512K x 8) OTP EPROM optimized for high-speed and low-voltage operations. It provides excellent performance for embedded systems, automotive electronics, industrial control systems, and consumer electronics requiring permanent data storage and program execution.

Pinout

The AT27C040-70JU pinout refers to the configuration and function of each pin in its 32-lead, Plastic J-leaded Chip Carrier (PLCC) package. This package typically includes a diagram showing the layout of the pins when viewed from the top down with pins named sequentially. Each pin on the AT27C040-70JU has a specific role such as power supply input, ground connection, or signal interface. The pinout details are crucial for integrating this component into a circuit as they ensure correct connections for optimal device performance. Designers and engineers must refer to the datasheet provided by the manufacturer to get accurate information regarding each pin's function and electrical characteristics.

Features

• 4-Mbit (512-Kbit x 8): The AT27C040-70JU offers a large memory capacity for storing firmware, data, or program code.
• Low-power CMOS operation: This EPROM operates at low power consumption levels, making it suitable for battery-powered devices or applications where power efficiency is crucial.
• Standard power supply range, 5V +/-10%: The AT27C040-70JU can operate within a standard power supply range of 4.75V to 5.25V, ensuring compatibility with various systems and devices.
• 100 µA max standby: This EPROM consumes minimal power in standby mode, reducing power consumption and extending battery life.
• 30 mA max active at 5 MHz: The AT27C040-70JU can handle high-speed operations while maintaining low power consumption levels.
• Parallel Interface: This EPROM features a parallel interface for efficient data transfer and programming.
• 70 ns access time: The AT27C040-70JU offers fast access times, enabling rapid program execution and data retrieval.
• High-reliability CMOS technology: This EPROM is built using high-reliability CMOS technology, ensuring reliable operation in various environments and applications.
• 2,000V ESD protection: The AT27C040-70JU features robust electrostatic discharge (ESD) protection to prevent damage from static electricity or other electrical surges.
• 200 mA max programming current: This EPROM can handle high programming currents for efficient and reliable data transfer.

Applications

The AT27C040-70JU is suitable for various applications, including:

• Embedded systems
• Automotive electronics
• Industrial control systems
• Consumer electronics

Advantages and Disadvantages

Advantages:

• High memory capacity for storing firmware, data, or program code
• Low power consumption levels for extended battery life
• Fast access times for rapid program execution and data retrieval
• Robust ESD protection to prevent damage from static electricity or other electrical surges

Disadvantages:

• Limited compatibility with certain systems or devices due to its specific power supply range
• Potential issues with programming speed and efficiency depending on the application

Equivalents

For similar functionalities, consider these alternatives to the AT27C040-70JU:

• M29W640DB
• M25P40-BM5HTPIG
• M24M40-BM5HTPIG

Frequently Asked Questions

Q: What is the memory capacity of the AT27C040-70JU?
A: The AT27C040-70JU offers a 4-megabit (512-Kbit x 8) memory capacity.

Q: Can the AT27C040-70JU operate at low power consumption levels?
A: Yes, the AT27C040-70JU operates at low power consumption levels, making it suitable for battery-powered devices or applications where power efficiency is crucial.

Q: What is the standard power supply range of the AT27C040-70JU?
A: The AT27C040-70JU can operate within a standard power supply range of 4.75V to 5.25V.

Q: Can the AT27C040-70JU handle high-speed operations?
A: Yes, the AT27C040-70JU can handle high-speed operations while maintaining low power consumption levels.

Q: What is the access time of the AT27C040-70JU?
A: The AT27C040-70JU offers a 70 ns access time, enabling rapid program execution and data retrieval.