Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
74HC164D(BJ) 为东芝(TOSHIBA)生产的高性能 CMOS 串行至并行移位寄存器,属于 74HC 系列。关键参数如下:
本器件接受串行数据,通过时钟脉冲将数据移入内部移位寄存器,并在并行输出端提供 8 位数据输出。无锁存输出信号(与带锁存寄存器的 74HC595 区别),适合需要连续移位并并行驱动负载的场合。
SOIC-14 封装利于自动贴装与波峰/回流焊接。未使用引脚应按手册建议处理(上拉或下拉),以避免悬空造成噪声。电源引脚附近建议放置去耦电容(如 0.1 μF)以抑制瞬态电流与振铃。
常见替代器件包括功能相近的 74HC164 系列来自其他厂商,或在需要输出锁存功能时选择 74HC595;若需 TTL 电平兼容,可选 74HCT164。
选购时确认生产批次、原厂/授权分销渠道与器件完整的规格书(datasheet),并核验封装代码(SOIC14)、品名后缀 (BJ) 对应的厂商标识与管脚顺序。量产设计建议先做样片测试以验证时序与电平兼容性。
以上为 74HC164D(BJ) 的概述与工程注意事项,可作为快速选型与电路设计参考。若需详细时序图、电气特性表或参考电路,请告知,我可提供相应要点。
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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.
Buyer sourcing scenarios
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
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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