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MCP7940NT-I/SN 是由美国微芯科技(Microchip Technology Inc.)推出的一款高度集成的实时时钟(RTC)IC,主要用于各种电子应用中,确保精确的时间记录和日期管理。该器件符合工业标准,具有宽广的供电电压范围、丰富的功能特性和小型化的封装设计,适合在嵌入式系统、家居自动化、工业控制及消费电子等领域的应用。
供电电压范围:MCP7940NT-I/SN 具有灵活的供电电压选择,工作电压范围为1.3V至5.5V。这一特性使得该RTC可以适应多种不同的电源条件,特别是在电池供电的设备中,能够有效地延长电池寿命。
接口类型:产品采用 I²C 2线串口接口,这种简化的通信协议支持多个外设的串行连接,极大地减少了设计中的接线复杂性,需要的引脚数量也显著降低,非常适合现代紧凑型电路设计。
存储容量:该器件提供64字节的SRAM存储容量,可以用来存储临时数据。此外,它还具备报警器功能,能够提供闹铃或报警的时效性提醒。
工作温度范围:MCP7940NT-I/SN 的工作温度范围为-40°C至85°C,确保其在各种极端环境中的稳定性和可靠性,尤其适用于工业和户外设备。
时间格式:器件支持12小时和24小时格式的时间显示,并能够提供精确的HH:MM:SS时间记录。
额外特性:产品具备闰年处理和方波输出功能,允许用户进行灵活的时钟信号配置。同时,集成的SRAM使得在失去电源的情况下,仍能重要数据的保留。
MCP7940NT-I/SN广泛应用于以下领域:
MCP7940NT-I/SN采用8-SOIC封装,尺寸为0.154"(3.90mm)宽,表面贴装型设计使得该器件非常容易集成到各种电路板中,适合大规模的生产及应用。其紧凑的尺寸和轻便的特性让设计者能在有限的空间内实现更多的功能。
MCP7940NT-I/SN 是一款功能强大且高度集成的实时时钟产品,凭借其多种优越特性和广泛的应用场景,成为了时间管理方案中的理想选择。无论在复杂的工业环境中还是日常消费电子产品,MCP7940NT-I/SN 都能提供稳定、精确的时间和日期服务,为用户的设计带来便利与效率。
如您需要进一步了解此款产品的技术细节或应用指导,请参考微芯科技的官方网站或相关数据手册。
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Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
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The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
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Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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