ISSI IS28F004BV/BLV 4-Mbit Boot Block Flash Memory Datasheet

About this manual

This document provides advance information specifications for the ISSI IS28F004BV/BLV, a 4-Mbit (512K x 8) SmartVoltage boot block flash memory. The device features separate power supply pins (Vcc and Vpp), allowing read operations at 2.7V to 3.6V while supporting program and erase operations at either 5V or 12V.

What's inside

• Description
• Features in the SmartVoltage Products
• Main Features
• SmartVoltage Flexibility
• Pin Descriptions
• Pin Configurations

Frequently asked questions

What is the total memory capacity and organization of this flash device?

The device has a total capacity of 4-Mbit, which is organized as 512K by 8 bits.

What are the specific dimensions of the hardware-lockable boot block?

The boot block consists of a protected area that is exactly 16,384 bytes.

What are the maximum read access times for this memory at different voltages?

The maximum access times are 60/80/120 ns at 5V, 110/150/180 ns at 3V, and 120 ns at 2.7V.