W25X40CLSNIG原装 NOR FLASH 的描述：
The W25X40CL (4M-bit) Serial Flash memories provides a storage solution for systems with limited space, pins and power. The 25X series offers flexibility and performance well beyond ordinary Serial Flash devices.
They are ideal for code download applications as well as storing voice, text and data. The devices operate on a single 2.3V to 3.6V power supply with current consumption as low as 1mA active and 1μA for power-down. All devices are offered in space-saving packages. The W25X40CL arrays are organized into 2048 programmable pages of 256-bytes each.
Up to 256 bytes can be programmed at a time. The W25X40CL have 128 erasable sectors, 16 erasable 32KB blocks and 8 erasable 64KB blocks respectively. The small 4KB sectors allow for greater flexibility in applications that require data and parameter storage.
The W25X40CL support the standard Serial Peripheral Interface (SPI), and a high performance dual output as well as Dual I/O SPI: Serial Clock, Chip Select, Serial Data DI (I/O0), DO (I/O1). SPI clock frequencies up to 104MHz are supported allowing equivalent clock rates of 208MHz when using the Fast Read Dual Output instruction.
These transfer rates are comparable to those of 8 and 16-bit Parallel Flash memories. The Continuous Read Mode allows for efficient memory access with as few as 16-clocks of instruction-overhead to read a 24-bit address, allowing true XIP (execute in place) operation.
W25X40CLSNIG原装 NOR FLASH 的技术参数：
制造商 | Winbond |
产品种类 | NOR闪存 |
安装风格 | SMD/SMT |
封装 / 箱体 | SOIC-8 |
存储容量 | 4 Mbit |
存储器组织 | 512K x 8 |
存储器接口 | SPI |
时钟频率 | 104 MHz |
写周期时间 - 字，页 | 800μs |
电压 - 供电 | 2.3V ~ 3.6V |
工作温度 | -40°C ~ 85°C（TA） |
存储器类型 | 非易失 |
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