AM29F040B-90JF/PROG – AMD

Part Number:

AM29F040B-90JF/PROG

Manufacturer:

AMD

Date Code:

01+

RoHS:

MSL:

COO:

Description:

4M (512Kx8) Parallel NOR Flash, 90 ns, 5 V

Datasheet:

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Product Details:

Overview

The AMD AM29F040B-90JF/PROG is a 4 Mbit parallel NOR Flash memory designed for robust embedded systems. Its primary function is non-volatile program storage, critical for boot code and firmware in microcontrollers. A key design consideration is the trade-off between access speed and power consumption; while the 90 ns access time is suitable for many applications, designers must carefully manage read cycles to stay within power budgets, especially in battery-operated devices. This asynchronous device offers a reliable solution for data retention and program integrity.

Key Features

Memory Size: 4 Mbit
Interface Type: Parallel, 8-bit data bus
Speed: 90 ns asynchronous access time
Supply Voltage: 4.5 V to 5.5 V
Operating Temperature: -40°C to +85°C
Package: 32-pin PLCC (Surface Mount)

Applications

The component is engineered for deployment in systems requiring high reliability and performance under specific operating conditions. It provides functional stability across the stated design envelope.

Boot code storage for industrial control systems
Firmware updates in consumer electronics
Configuration data retention in networking equipment
Program memory for embedded real-time operating systems