Overview
The LE25U40CMC-AH is a Serial Peripheral Interface (SPI) bus flash memory device manufactured by onsemi. This device features a 4M bit (512K x 8-bit) configuration, enhancing its performance with Dual Output and Dual I/O functions. It operates on a single 2.5V power supply, making it suitable for compact and power-efficient applications. The device is housed in an 8-pin ultra-miniature package, ideal for storing programs and data in portable information devices and other applications requiring minimal space.
Key Specifications
| Specification | Value |
|---|---|
| Configuration | 4M bit (512K x 8-bit) |
| Power Supply Voltage | 2.3V to 3.6V |
| Operating Frequency | 40MHz |
| Temperature Range | -40°C to 85°C |
| Serial Interface | SPI mode 0, mode 3 supported / Dual Output, Dual I/O supported |
| Sector Size | 4K bytes/small sector, 64K bytes/sector |
| Erase Functions | Small sector erase, sector erase, chip erase |
| Page Program Function | 256 bytes/page |
| Block Protect Function | Yes |
| Data Retention Period | 20 years |
| Package Type | SOIC-8 / SOP-8J |
Key Features
- Dual Output and Dual I/O functions for enhanced performance.
- Single 2.5V power supply with a voltage range of 2.3V to 3.6V.
- High operating frequency of 40MHz.
- Wide temperature range of -40°C to 85°C.
- Support for SPI mode 0 and mode 3.
- Small sector erase, sector erase, and chip erase functions.
- Page program function with 256 bytes per page.
- Block protect function for data security.
- Highly reliable read/write operations.
- Status functions providing ready/busy and protect information.
Applications
The LE25U40CMC-AH is ideally suited for applications requiring compact and efficient storage solutions, such as:
- Portable information devices.
- Devices needing to store parameters or data with fewer rewrite cycles.
- Applications where conventional EEPROMs lack sufficient capacity.
Q & A
- What is the configuration of the LE25U40CMC-AH? The device has a 4M bit (512K x 8-bit) configuration.
- What is the operating voltage range of the LE25U40CMC-AH? The device operates on a voltage range of 2.3V to 3.6V.
- What is the maximum operating frequency of the LE25U40CMC-AH? The maximum operating frequency is 40MHz.
- What are the supported SPI modes for the LE25U40CMC-AH? The device supports SPI mode 0 and mode 3.
- What are the erase functions available on the LE25U40CMC-AH? The device supports small sector erase, sector erase, and chip erase functions.
- What is the page program size of the LE25U40CMC-AH? The page program size is 256 bytes per page.
- Does the LE25U40CMC-AH have a block protect function? Yes, it does have a block protect function.
- What is the data retention period of the LE25U40CMC-AH? The data retention period is 20 years.
- What is the package type of the LE25U40CMC-AH? The device is housed in an 8-pin SOIC-8 / SOP-8J package.
- What are some typical applications for the LE25U40CMC-AH? Typical applications include portable information devices and devices requiring compact storage solutions.
