AT49BV640ST Overview
The AT49BV640S(T) is a 2.7-volt 32-megabit Flash memory organized as 4,194,304 words of 16 bits each. The memory is divided into 135 sectors for erase operations. The device is offered in a 64-ball CBGA package.
AT49BV640ST Key Features
- Single Voltage Operation Read/Write: 2.65V
- Access Time
- Sector Erase Architecture
- One Hundred Twenty-seven 32K Word (64K Bytes) Main Sectors with Individual Write Lockout
- Eight 4K Word (8K Bytes) Sectors with Individual Write Lockout Fast Word Program Time
- 10 µs Typical Sector Erase Time: 32K Word Sectors
- 700 ms; 4K Word Sectors
- 100 ms Suspend/Resume Feature for Erase and Program
- Supports Reading and Programming Data from Any Sector by Suspending Erase of a Different Sector
- Supports Reading Any Word by Suspending Programming of Any Other Word Low-power Operation
AT49BV640ST Applications
- 6. The secure regions can be locked in any sequence and at any time during normal device operation. Read operations can still be performed on any region that ha