Overview
The N25Q256A13EF840E is a high-performance serial NOR flash memory device manufactured by Micron Technology Inc. It is part of the N25Q series, which is the first to be produced on 65nm NOR technology. This device is designed to offer fast random read performance, making it ideal for code storage in embedded systems. It features a SPI-compatible bus interface and supports execute-in-place (XIP) functionality, allowing host controllers to execute code directly from the NOR flash memory without the need to copy it into RAM.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Micron Technology Inc. |
| Memory Type | Non-Volatile, FLASH, NOR |
| Memory Size | 256Mb (64M x 4) |
| Memory Interface | SPI, Dual SPI, Quad SPI |
| Clock Frequency | 108MHz (STR Mode), 54MHz (DTR Mode) |
| Supply Voltage | 2.7V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C |
| Package | 8-VDFN Exposed Pad |
| Mounting Type | Surface Mount |
| Write Cycle Time - Word, Page | 8ms, 5ms |
| Access Time | 8ns |
| RoHS Compliant | Yes |
Key Features
- XIP (Execute-In-Place) functionality, allowing code execution directly from the NOR flash memory without copying to RAM.
- SPI-compatible serial bus interface with support for single, dual, and quad SPI modes.
- Double transfer rate (DTR) mode for enhanced performance.
- Single supply voltage: 2.7V ~ 3.6V.
- High-speed operation: up to 54MB/s.
- Program or erase operations with write protect mechanics.
- Software reset and electronic signature capabilities.
Applications
The N25Q256A13EF840E is highly suitable for various embedded systems due to its fast random read performance and XIP functionality. Key applications include:
- Automotive Infotainment Systems.
- Automotive Cluster Systems.
- Gaming Consoles.
- Other embedded systems requiring high-performance code storage.
Q & A
- What is the N25Q256A13EF840E?
The N25Q256A13EF840E is a serial NOR flash memory device manufactured by Micron Technology Inc., known for its high-performance and multiple I/O capabilities.
- What is the memory size of the N25Q256A13EF840E?
The memory size is 256Mb (64M x 4).
- What are the supported SPI modes?
The device supports single, dual, and quad SPI modes.
- What is the maximum clock frequency?
The maximum clock frequency is 108MHz in STR mode and 54MHz in DTR mode.
- What is the supply voltage range?
The supply voltage range is 2.7V ~ 3.6V.
- What is the operating temperature range?
The operating temperature range is -40°C ~ 85°C.
- Does the N25Q256A13EF840E support XIP functionality?
Yes, it supports execute-in-place (XIP) functionality, allowing code execution directly from the NOR flash memory.
- What are the typical applications of the N25Q256A13EF840E?
Typical applications include automotive infotainment systems, automotive cluster systems, gaming consoles, and other embedded systems requiring high-performance code storage.
- Is the N25Q256A13EF840E RoHS compliant?
Yes, the N25Q256A13EF840E is RoHS compliant.
- What is the package type of the N25Q256A13EF840E?
The package type is 8-VDFN Exposed Pad.
