Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
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SN74HC74N是芯伯乐(XBLW)推出的74HC高速CMOS系列双1位D型触发器,集成两路独立的D触发器单元,具备异步置位(S)、异步复位(R)功能,采用上升沿触发时钟与互补输出(Q/Q非)设计,广泛适用于时序逻辑、数据锁存等场景,是传统LS系列的升级替代方案。
该器件为双路1位D触发器,每路独立实现上升沿触发的数据存储:当时钟(CP)上升沿到来时,输出Q将与输入D保持一致;异步置位(S)和复位(R)端可独立控制每路输出的初始状态(置位时Q=1,复位时Q=0),无需依赖时钟信号,电路设计灵活性更高。作为74HC系列成员,其兼顾高速性能与低功耗特性,适配多场景需求。
SN74HC74N采用DIP-14(双列直插14脚) 封装,引脚布局清晰,便于手工焊接与原型开发,具体引脚功能如下:
引脚编号 功能说明 引脚编号 功能说明 1 S1(路1异步置位) 8 S2(路2异步置位) 2 D1(路1数据输入) 9 D2(路2数据输入) 3 CP1(路1时钟) 10 CP2(路2时钟) 4 R1(路1异步复位) 11 R2(路2异步复位) 5 Q1非(路1反相输出) 12 Q2非(路2反相输出) 6 Q1(路1输出) 13 Q2(路2输出) 7 GND(地) 14 VCC(电源)该器件凭借稳定性能与灵活功能,成为时序逻辑设计的经典选择,覆盖消费电子、工业控制、原型开发等多领域。
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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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