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SN74AHC594PWR是德州仪器(TI)推出的8位串行至并行移位寄存器,属于74AHC系列先进高速CMOS逻辑器件,兼具高速性能、低功耗与宽温适应性,是工业控制、数据采集、显示驱动等场景中扩展IO接口的核心器件。
该器件的核心功能是将串行输入数据转换为8位并行输出,通过串行接口(如SPI、I2C扩展)减少系统对微控制器(MCU)IO口的占用,同时实现数据的并行分发。作为单元件8位移位寄存器,它集成了移位逻辑与并行输出驱动,无需额外元件即可完成串行-并行转换,简化电路设计,降低系统成本。
SN74AHC594PWR的电气参数覆盖了高速、宽电压、宽温等核心需求,具体如下:
该器件采用16-TSSOP封装(薄型小尺寸封装),引脚数16,尺寸紧凑(典型封装尺寸约4.4mm×3.0mm),适合高密度PCB设计,满足现代电子设备小型化需求(如便携设备、嵌入式模块)。16引脚包含核心功能:串行输入(SER)、移位时钟(SRCLK)、锁存时钟(RCLK)、输出使能(OE)及8位并行输出(Q0~Q7),引脚布局符合行业标准,便于电路集成与布线。
作为德州仪器(TI)的成熟产品,SN74AHC594PWR具备以下可靠性优势:
SN74AHC594PWR的高速、宽温与小封装特性,使其适用于多种场景:
综上,SN74AHC594PWR凭借高速、宽电压、宽温与小封装的综合优势,成为串行-并行转换场景中的高性价比选择,适用于工业、消费电子、通信等多领域的量产设计。
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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.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
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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