GENERAL DESCRIPTION

The MT28F320A18 is a nonvolatile electrically block-erasable (Flash) memory containing eight 4-Kword parameter blocks and sixty-three 32K-word main blocks.

FEATURES

• 32Mb block architecture

Seventy-one erasable blocks:

Eight 4K-word parameter blocks

Sixty-three 32K-word main memory blocks

• VCC, VCCQ, VPP voltages*

1.65V (MIN), 1.95V (MAX) VCC, VCCQ

0.9V (MIN), 1.95V (MAX) VPP (in-system

PROGRAM/ERASE)

12V ±5 (HV) VPP tolerant (factory programming

compatibility)

• Random access time: 70ns @ 1.65V VCC

• Low power consumption (VCC = 1.8V)

Asynchronous Read < 18mA

Write/Erase < 40mA (MAX)

Standby < 50µA (MAX)

Automatic power saving feature (APS)

• Enhanced write and erase suspend options

ERASE-SUSPEND-to-READ

PROGRAM-SUSPEND-to-READ

ERASE-SUSPEND-to-PROGRAM

• Dual 64-bit chip protection registers for security purposes

• Cross-compatible command support

Extended command set

Common flash interface

• PROGRAM/ERASE cycle

100,000 WRITE/ERASE cycles per block (VPP = VPP1)