处理中...

首页  >  产品百科  >  AT45DB041B-TU

AT45DB041B-TU

产品分类: 闪存(Flash)
产品描述: 512KB 512 k x 8 2.7V 10mA 3.6V 20MHz SPI 8bit TSOP-28 贴片安装
供应商型号:
供应商:
标准整包数: 0
MICROCHIP TECHNOLOGY 闪存(Flash) AT45DB041B-TU

AT45DB041B-TU概述

    # AT45DB041B SPI Compatible Serial Flash Memory Technical Overview
    Product Introduction
    The AT45DB041B is a high-performance SPI-compatible serial flash memory ideal for applications such as digital voice recording, image storage, program code execution, and general data storage. This product is organized into a memory array with 2048 pages, each containing 264 bytes, providing a total of 4,325,376 bits (approximately 540 KB). In addition to its main memory, it features two 264-byte SRAM data buffers that facilitate simultaneous data handling during memory operations.
    This flash memory is available in Pb-free/RoHS-compliant packages, making it environmentally friendly and suitable for modern electronic designs. Its operating voltage ranges from 2.5V to 3.6V or 2.7V to 3.6V, offering versatility across various power systems.
    Technical Parameters
    | Parameter | Value/Specification |

    | Operating Voltage | 2.5V - 3.6V / 2.7V - 3.6V |
    | Maximum Clock Frequency | 20 MHz |
    | Active Read Current | 4 mA |
    | Standby Current | 2 µA |
    | Memory Organization | 2048 pages, 264 bytes per page |
    | Buffer Size | 264 bytes each (2 buffers) |
    | Supported Operations | Page and Block Erase, Continuous Read |
    | Compatible SPI Modes | SPI Mode 0 and Mode 3 |
    The AT45DB041B supports self-timed programming cycles and hardware-based data protection. It offers hardware pin tolerance for 5V, ensuring robustness in mixed-voltage environments. The memory operates across both commercial (0°C to 70°C) and industrial (-40°C to 85°C) temperature ranges.
    Product Features and Advantages
    The AT45DB041B excels due to its compact design and efficient SPI interface, which minimizes hardware complexity and reduces electromagnetic interference. Its key advantages include:
    - High-Density Storage: With 2048 pages of 264 bytes each, it provides ample space for large datasets.
    - Low Power Consumption: Typical active read current of 4 mA ensures minimal energy usage.
    - Fast Programming: The single-cycle reprogramming capability eliminates the need for separate erase steps.
    - Flexible Data Handling: Two SRAM buffers allow concurrent data transfers while maintaining high-speed operations.
    - Enhanced Reliability: Ready/Busy status monitoring improves operational efficiency.
    - Environmental Compliance: RoHS compliance and lead-free packaging meet stringent environmental standards.
    These features make the AT45DB041B highly suitable for portable electronics, embedded systems, and industrial applications requiring high-density, low-power storage solutions.
    Application Case Studies and Usage Recommendations
    The AT45DB041B is widely used in systems where efficient memory management is critical. For example, in IoT devices, it can act as a primary storage medium for firmware updates, sensor data logging, and application data.
    Recommended Use Cases:
    1. Firmware Upgrade Systems: The Continuous Read feature makes it ideal for shadowing operations, ensuring seamless updates without data loss.
    2. Voice Recording Devices: Its high-speed page programming and buffer management simplify audio file handling.
    3. Embedded Controllers: Supports multiple erase and program operations without complex external circuitry.
    Usage Suggestions:
    - Always maintain a proper power supply voltage range to avoid damage.
    - Implement software timeouts for read/write operations to handle busy states effectively.
    - Regularly validate memory integrity using checksums or CRCs to ensure data reliability.
    Compatibility and Support
    The AT45DB041B is fully compliant with SPI Mode 0 and Mode 3, making it compatible with most microcontrollers and processors

AT45DB041B-TU参数

参数
数据总线宽度 8bit
接口类型 SPI
存储容量 512KB
最大供电电流 10mA
最大时钟频率 20MHz
最大工作供电电压 3.6V
最小工作供电电压 2.7V
组织 512 k x 8
通用封装 TSOP-28
安装方式 贴片安装
零件状态 停产
包装方式 托盘

AT45DB041B-TU厂商介绍

Microchip Technology是一家全球领先的半导体公司,总部位于美国亚利桑那州。公司成立于1989年,专注于设计、制造和销售各种微控制器、模拟、FPGA、连接、功率管理、分立和安全产品。

Microchip Technology的产品主要分为以下几类:
1. 微控制器(MCU):包括PIC、AVR和dsPIC系列,广泛应用于工业控制、消费电子、汽车电子等领域。
2. 模拟产品:包括电源管理、信号处理、接口和传感器等,用于提高系统性能和降低功耗。
3. 连接产品:包括以太网、无线和串行通信解决方案,实现设备间的高效数据传输。
4. FPGA(现场可编程门阵列):提供灵活的硬件解决方案,适用于高速数据处理和复杂逻辑设计。
5. 功率管理产品:包括电源模块、电池管理等,用于提高能效和延长设备寿命。
6. 分立产品:包括二极管、晶体管、MOSFET等,用于电路保护和信号放大。
7. 安全产品:包括加密模块、安全存储器等,保护数据安全和防止篡改。

Microchip Technology的优势在于其丰富的产品线、强大的研发能力和全球销售网络。公司不断推出创新产品,满足客户在不同应用领域的多样化需求。同时,Microchip还提供全面的技术支持和定制化解决方案,帮助客户缩短产品上市时间并降低开发成本。

AT45DB041B-TU数据手册

厂牌 PDF简要描述 下载
MICROCHIP TECHNOLOGY 闪存(Flash) MICROCHIP TECHNOLOGY AT45DB041B-TU AT45DB041B-TU数据手册

AT45DB041B-TU封装设计

查看详情并下载
Symbol
Footprint
3D Model
价格梯度 中国香港交货 内地交货(含增值税)
库存: 0
起订量: 0 增量: 0
交货地:
最小起订量为:0
合计: $ 0
直接购买
加入购物车

爆款推荐

型号 价格(含增值税)
1734448-1 ¥ 30.7007
410-340 ¥ 210.5755
49063 ¥ 87.2219
A290021TV-70F ¥ 32.6592
A29002UL-70F ¥ 15.2099
A29040BL-70F ¥ 35.6452
A29160UV-70F ¥ 0
A29L008ATV-70F ¥ 10.7309