Description

The MT28F640J3RG-12ET is an IC chip belonging to the nonvolatile programmable memory category. With 64Mb of capacity, this device features in-system block locking, a common flash interface (CFI), and scalable command set that permits software algorithms to be used for entire families of devices. In addition, its VCC, VCCQ, and VPEN voltages range from 2.7V to 3.6V, and its inputs and outputs are fully TTL-compatible.

Specifications and features

• x8/x16 organization
• Sixty-four 128KB erase blocks (64Mb)
• VCC, VCCQ, and VPEN voltages: 2.7V to 3.6V VCC operation, 2.7V to 3.6V or 4.5V to 5.5V* VCCQ operation, and 2.7V to 3.6V, or 5V VPEN application programming
• Interface Asynchronous Page Mode Reads:
• 150ns/25ns read access time (128Mb)
• 120ns/25ns read access time (64Mb)
• 110ns/25ns read access time (32Mb)
• Enhanced data protection feature with VPEN = VSS Flexible sector locking
• Sector erase/program lockout during power transition
• Security OTP block feature Permanent block locking (Contact factory for availability)
• Industry-standard pinout
• Common Flash Interface (CFI) and Scalable Command Set
• Automatic write and erase algorithm
• 4.7µs-per-byte effective programming time using write buffer
• 128-bit protection register
• 64-bit unique device identifier
• 64-bit user-programmable OTP cells
• 100,000 ERASE cycles per block
• Automatic suspend options:
• Block Erase Suspend-to-Read
• Block Erase Suspend-to-Program
• Program Suspend-to-Read

Application Scenarios

This IC chip can be used in various electronic devices that require nonvolatile programmable memory technology, such as personal computers, laptops, smartphones, and other mobile devices.

Comparison

• Features in-system block locking for enhanced data protection
• Common Flash Interface (CFI) and Scalable Command Set for easy software integration
• Automatic write and erase algorithm for convenient programming
• Flexible sector locking for efficient power transition

• A relatively low capacity of 64Mb compared to other similar IC chips
• Permanent block locking only available upon request from the factory