Overview
The M29W040B90K1E is a 4Mbit FLASH memory component produced by Micron Technology Inc. Although this component is now obsolete and no longer manufactured, it was once a competitive solution for legacy designs requiring non-volatile memory storage. It features a parallel memory interface and was widely used in various electronic devices, including embedded systems and industrial controls.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer Part Number | M29W040B90K1E |
| Manufacturer | Micron Technology Inc. |
| Description | IC FLASH 4MBIT 90NS 32PLCC |
| Memory Type | Non-Volatile |
| Memory Size | 4Mb (512K x 8) |
| Memory Format | FLASH |
| Interface | Parallel |
| Access Time | 90ns |
| Write Cycle Time - Word/Page | 90ns |
| Supply Voltage | 2.7 V ~ 3.6 V |
| Operating Temperature Range | -40°C ~ 85°C |
| Package / Case | 32-LCC (J-Lead) |
| Dimensions | Supplier Device Package 32-PLCC (11.35x13.89mm) |
Key Features
- Non-Volatile FLASH Memory
- Parallel Memory Interface
- Flexible Voltage Range: 2.7 V ~ 3.6 V
- Operating Temperature Range: -40°C ~ 85°C
- Surface Mount Technology with 32-LCC (J-Lead) package
- Simplified Memory Interface Requirements
Applications
The M29W040B90K1E was suitable for various applications requiring non-volatile memory storage, including:
- Legacy embedded systems
- Industrial controls
- Other electronic devices needing parallel interface memory
Q & A
- What is the M29W040B90K1E?
The M29W040B90K1E is a 4Mbit FLASH memory component produced by Micron Technology Inc. - Is the M29W040B90K1E still in production?
No, the M29W040B90K1E is obsolete and no longer manufactured. - What type of memory interface does it use?
The M29W040B90K1E uses a parallel memory interface. - What is the memory size of the M29W040B90K1E?
The memory size is 4Mb, organized as 512K x 8. - What is the access time of the M29W040B90K1E?
The access time is 90ns. - What is the supply voltage range for the M29W040B90K1E?
The supply voltage range is 2.7 V ~ 3.6 V. - What is the operating temperature range of the M29W040B90K1E?
The operating temperature range is -40°C ~ 85°C. - What type of package does the M29W040B90K1E use?
The M29W040B90K1E uses a 32-LCC (J-Lead) package. - What are some common applications for the M29W040B90K1E?
Common applications include legacy embedded systems, industrial controls, and other electronic devices requiring non-volatile memory storage. - Why is the M29W040B90K1E considered obsolete?
The M29W040B90K1E is considered obsolete because it is no longer manufactured and has been replaced by newer technologies.
