AT29C020-90JU

The AT29C020-90JU is a 2-megabit programmable read-only memory (PROM) IC with a fast 90ns access time. It offers non-volatile storage capabilities, making it suitable for applications requiring permanent program or data storage.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• A18-A0: Address Inputs
• CE: Chip Enable
• OE: Output Enable
• WE: Write Enable
• PGM: Program Enable
• VCC: Power Supply
• GND: Ground
• DQ0-DQ15: Data Input/Output

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the AT29C020-90JU PROM IC for a visual representation.

Key Features

• 2-Megabit Capacity: Offers 2 megabits of non-volatile storage for program or data storage.
• Fast Access Time: With a 90ns access time, this IC provides quick read and write operations.
• Non-Volatile Memory: Retains stored information even when power is removed, suitable for permanent storage applications.
• Low Power Consumption: Operates with low power consumption, making it energy-efficient.
• Multiple Input/Output Pins: Features 16 data input/output pins for efficient data transfer.

Note: For detailed technical specifications, please refer to the AT29C020-90JU datasheet.

Application

• Embedded Systems: Ideal for storing program code or configuration data in embedded systems.
• Industrial Automation: Suitable for use in industrial automation systems for program storage.
• Consumer Electronics: Used in consumer electronic devices for storing firmware or data.

Functionality

The AT29C020-90JU is a 2-megabit PROM IC that provides non-volatile memory storage. It allows for reliable and permanent data retention, making it valuable in various electronic applications.

Usage Guide

• Power Supply: Connect VCC and GND pins to the appropriate power sources.
• Data Transfer: Use the address inputs and data input/output pins for reading from or writing to the memory.
• Programming: Follow the datasheet guidelines for programming the memory contents using the PGM pin.

Frequently Asked Questions

Q: Can the AT29C020-90JU be reprogrammed?
A: No, the AT29C020-90JU is a one-time programmable (OTP) memory device and cannot be electrically erased and reprogrammed.

Q: What is the maximum operating frequency of the AT29C020-90JU?
A: The AT29C020-90JU can operate at frequencies suitable for a 90ns access time.