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W25X40CLSSIG
+Lista de MateriaisIC FLASH 4MBIT SPI 104MHZ 8SOIC
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FabricanteWinbond Electronics
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Peça do Fabricante #W25X40CLSSIG
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Ficha Técnica W25X40CLSSIG DataSheet
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Especificações
| Atributo | Valor |
| Series | SpiFlash® |
| Part Status | Active |
| Base Product Number | W25X40 |
| DigiKey Programmable | Verified |
| Memory Type | Non-Volatile |
| Memory Format | FLASH |
| Technology | FLASH |
| Memory Size | 4Mbit |
| Memory Organization | 512K x 8 |
| Memory Interface | SPI |
| Clock Frequency | 104 MHz |
| Write Cycle Time - Word, Page | 800µs |
| Voltage - Supply | 2.3V ~ 3.6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package | 8-SOIC (0.209", 5.30mm Width) |
| Supplier Device Package | 8-SOIC |
| Packaging | Tube |
Visão Geral
Description
Key features of the W25X40CLSSIG include its support for standard Serial Peripheral Interface (SPI) protocols, which ensure broad compatibility with many microcontrollers and processors. It operates at a supply voltage range of 2.7V to 3.6V and has a maximum clock frequency of 104 MHz, allowing for fast data transfer rates. Its architecture supports functions like dual and quad SPI for enhanced performance.
The chip is designed to be durable, with a data retention period of at least 20 years and an endurance of 100,000 program/erase cycles. It is commonly used in consumer electronics, industrial applications, and embedded systems for firmware storage, system code, and data logging purposes.
Equivalent
1. Micron: M25P40
2. Cypress: S25FL040A
3. Adesto (Dialog Semiconductor): AT25DF041B
4. GigaDevice: GD25Q40
These chips generally offer similar memory capacities, interfaces, and functionalities to the W25X40CLSSIG, providing alternatives that can be used interchangeably in compatible systems. Always verify specific electrical and timing requirements for compatibility.
Features
1. Memory Architecture: Organized as 512K x 8 bits.
2. Interface: Supports SPI (Serial Peripheral Interface), which is widely used for communication with microcontrollers.
3. Speed: Operates at a maximum clock frequency of 104 MHz, facilitating fast data transfer.
4. Low Power Consumption: Suitable for battery-operated devices due to its low power requirements.
5. Operating Voltage: Offers a range of 2.7V to 3.6V, making it flexible for various applications.
6. Erase/Write Cycles: Endurance of typically 100,000 erase/write cycles per sector.
7. Data Retention: Ensures data retention for up to 20 years.
8. Packages: Available in various packages such as SOP (Small Outline Package).
9. Security Features: Includes mechanisms for protecting data integrity and preventing unauthorized access.
10. Applications: Commonly used in consumer electronics, industrial applications, and embedded systems.
These features make it a versatile choice for a range of applications requiring reliable non-volatile memory.
Pinout
Pin Count and Functions:
1. 8 Pins:
- Pin 1 (CS#): Chip Select - Activates the device when low.
- Pin 2 (DO/IO1): Data Output - Transfers data from the chip to the controller.
- Pin 3 (WP#): Write Protect - Disables write operations when low.
- Pin 4 (GND): Ground - Connection for ground reference.
- Pin 5 (DI/IO0): Data Input - Receives data from the controller.
- Pin 6 (CLK): Clock - Synchronizes data transfer.
- Pin 7 (HOLD#): Hold - Pauses communication without resetting the SPI bus.
- Pin 8 (VCC): Power Supply - Typically 2.7V to 3.6V.
These pins support various functions such as memory read/write operations, sector erases, and can operate in both standard (SPI) and dual I/O modes for enhanced performance.
Manufacturer
Application
Package
Frequently Asked Questions
Q: What is the memory size and organization of the W25X40CLSSIG?
A: It has 4Mbit memory organized as 512K x 8, suitable for firmware or data storage.
Q: What is the maximum clock frequency for SPI interface?
A: The device supports a maximum SPI clock frequency of 104 MHz for fast read operations.
Q: What is the supply voltage range for this component?
A: It operates from 2.3V to 3.6V, ideal for low-power embedded systems.
Q: What is the typical page write cycle time?
A: The write cycle time for a page or word is 800µs, ensuring efficient programming.
Q: Is this memory device non-volatile and surface-mountable?
A: Yes, it is non-volatile Flash memory, and comes in a surface-mount 8-SOIC package.
Q: What is the operating temperature range?
A: It is rated for industrial use from -40°C to 85°C ambient temperature.