帶內(nèi)部終端的 RS-232/RS-485/RS-422 收發(fā)器

XJ339 是一款先進(jìn)的多協(xié)議收發(fā)器，支持 RS-232、RS-485、RS-422 串口，采用標(biāo)準(zhǔn)的 40 引腳QFN 封裝。集成了總線終端和四種配置模式，允許所有三種協(xié)議可互換使用單根電纜或連接器，無(wú)需額外開關(guān)組件，完整操作只需要四個(gè)外部電荷泵電容器。 ? RS-485/422 端接和偏置無(wú)需外部電阻器\n? RS-485/422 模式下的最大數(shù)據(jù)速率為 20Mbps，RS-232 模式下的最大數(shù)據(jù)速率為 1Mbps\n? 3 個(gè)驅(qū)動(dòng)器，5 個(gè)接收器 RS-232/V.28\n? RS-485/422 增強(qiáng)型故障安全，適用于開路、短路或空閑的輸入\n? 節(jié)省空間的 6mm x 6mm QFN-40 封裝;

Analogtek

芯景科技

QUAD DIFFERENTIAL COMPARATOR

DESCRIPTION AND FEATURES The YD339 consists of four independent voltage comparators designed specifically to operate from a single power supply over a wide voltage range； * Single or dual supply operation； * Wide operating supply range (VCC=2V~36V or ±1～±18V)； * Input common-mod

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YOUDA

無(wú)錫市友達(dá)

PISTON/ROD SEALS

?DESCRIPTION The BECA 337 profile is a single acting symmetrical seal composed of a profiled, filled PTFE U-ring type seal and a V-spring that is resistant to corrosion. The BECA 339 profile is specially designed for applications where the seal is in contact with food products. It is chara

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FRANCEJOINT

Plug-In Adjustable Time Delay Relay

文件：495.82 Kbytes 頁(yè)數(shù)：2 Pages

ATC

Flat screw terminals Medium-duty version with grooved flat terminals, 2-pole

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WECO