Overview
The W25X40CLSNIG is a 4M-bit Serial Flash memory device manufactured by Winbond Electronics. This device is part of the W25X40CL family and is designed for a wide range of applications requiring non-volatile memory. It operates on a single power supply of 2.3V to 3.6V, making it suitable for low-power designs. The device features a Serial Peripheral Interface (SPI) with both single and dual output capabilities, supporting high-speed data transfer rates.
Key Specifications
| Parameter | Value |
|---|---|
| Density | 4 Mbit (512 Kbytes) |
| Package Options | SOIC8 150mil, VSOP8 150mil, USON 2x3mm, WSON 6x5mm, SOIC8 208mil |
| Vcc Range | 2.3V to 3.6V |
| Frequency | Up to 104 MHz (208 MHz equivalent with Dual SPI) |
| Temperature Range | -40°C to +85°C |
| Active Current | 1 mA |
| Power-Down Current | <1 µA |
| Page Size | 256 bytes |
| Sector/Block Erase | Uniform 4KB, 32KB, and 64KB regions |
| Erase/Write Cycles | More than 100,000 cycles |
| Data Retention | More than 20 years |
Key Features
- SPI Interface: Supports standard SPI, Dual I/O SPI, and Fast Read Dual Output instructions.
- High-Speed Data Transfer: Up to 104 MHz clock frequency, equivalent to 208 MHz with Dual SPI.
- Low Power Consumption: Active current of 1 mA and power-down current of less than 1 µA.
- Flexible Architecture: Uniform 4KB, 32KB, and 64KB erasable sectors and blocks.
- Continuous Read Mode: Allows efficient memory access with minimal instruction overhead, enabling true XIP (execute in place) operation.
- Write Protect and Hold Pins: Includes programmable write protect and hold pins for additional control.
- JEDEC Standard Identification: Supports JEDEC standard manufacturer and device identification with a 64-bit Unique Serial Number.
Applications
The W25X40CLSNIG is ideal for various applications requiring non-volatile memory, including:
- Code download and storage in embedded systems.
- Storing voice, text, and data in consumer electronics.
- Industrial control systems and automation.
- IoT devices and low-power applications.
- Automotive and aerospace systems where reliability and low power consumption are critical.
Q & A
- What is the density of the W25X40CLSNIG?
The W25X40CLSNIG has a density of 4 Mbit (512 Kbytes).
- What are the package options available for the W25X40CLSNIG?
The device is available in SOIC8 150mil, VSOP8 150mil, USON 2x3mm, WSON 6x5mm, and SOIC8 208mil packages.
- What is the operating voltage range of the W25X40CLSNIG?
The device operates on a single power supply of 2.3V to 3.6V.
- What are the maximum clock frequencies supported by the W25X40CLSNIG?
The device supports clock frequencies up to 104 MHz, with an equivalent rate of 208 MHz when using Dual SPI.
- What is the active current consumption of the W25X40CLSNIG?
The active current consumption is 1 mA.
- What is the power-down current consumption of the W25X40CLSNIG?
The power-down current consumption is less than 1 µA.
- What are the erase and write cycle specifications of the W25X40CLSNIG?
The device supports more than 100,000 erase/write cycles.
- What is the data retention period of the W25X40CLSNIG?
The data retention period is more than 20 years.
- Does the W25X40CLSNIG support JEDEC standard identification?
Yes, it supports JEDEC standard manufacturer and device identification with a 64-bit Unique Serial Number.
- What are the key features of the Continuous Read Mode in the W25X40CLSNIG?
The Continuous Read Mode allows for efficient memory access with minimal instruction overhead, enabling true XIP (execute in place) operation.
