The AM29LV642DU90R is a 64 Mbit, 3.0 Volt-only Flash memory device manufactured by Advanced Micro Devices (AMD). It is organized as 4 Mbytes of 16 bits each. The device combines a high performance Flash memory with a flexible sector architecture. It is ideal for applications that require in-system reprogramming capability while operating on a single power source.
Applications
- Embedded systems requiring non-volatile storage
- Industrial control systems
- Networking equipment
- Telecommunications devices
- Consumer electronics
Features
- Single power supply operation: 3.0 V only
- Sector Erase Architecture: Supports full chip erase, as well as individual sector erase.
- High performance: Access times down to 90 ns
- Low power consumption: Read current as low as 25 mA
- Erase Suspend/Resume: Supports suspending an erase operation to read data from another sector
- Program Suspend/Resume: Supports suspending a program operation to read data from another sector
- Unlock Bypass Program: Reduces programming time
- Sector Protection: Hardware sector protection prevents accidental erasure or programming of critical code
- Ready/Busy Output: Indicates the status of erase and program operations
- Automatic Erase Timing: Internal algorithms automatically control erase and program operations
- TTL Compatible Inputs/Outputs
- JEDEC Standard: Pinout and command set compatible with other Flash memory devices
Benefits
- Simplified system design due to single power supply requirement
- Flexibility in managing memory with sector erase architecture
- Fast access times ensure quick data retrieval
- Low power consumption extends battery life in portable applications
- Ability to suspend and resume erase/program operations enhances system responsiveness
- Data protection prevents accidental data loss
- Easy integration due to JEDEC standard compatibility
Additional Details
The AM29LV642DU90R is available in a 64-pin TSOP package. It is designed for mass storage applications where high density, low power, and fast access times are critical. The device uses an embedded algorithm to automatically manage erase and program operations, simplifying system software requirements. The device also includes sector protection features to prevent accidental data corruption. The 90 in the part number represents the access time in nanoseconds.