[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"part:st:74VHCT257A":3},{"part":4,"mfr":19,"docs":25,"aliases":33,"alts":37,"breadcrumbs":38,"related":44,"more_from_mfr":78},{"id":5,"pn":6,"pn_norm":6,"series":7,"package":8,"lifecycle":9,"summary":10,"params":11,"features":14,"pins":7,"updated_at":15,"category_name":16,"category_name_en":17,"category_path":18},671,"74VHCT257A",null,"SO-16","active","Quad 2 channel multiplexer (3-state)",[12],[13,8],"封装",[],"2026-10-10T13:01:01.608Z","模拟开关 \u002F 多路复用","Analog Switches \u002F Muxes","logic.switch",{"slug":20,"name_en":21,"name_cn":22,"website":23,"is_domestic":24},"st","STMicroelectronics","意法半导体","https:\u002F\u002Fwww.st.com",false,[26],{"id":5,"filename":27,"title":10,"pages":28,"size_bytes":29,"lang":7,"doc_version":7,"published_at":7,"role":30,"outline_count":31,"thumb":32},"ST-74VHCT257A.pdf",15,255804,"datasheet",30,"\u002Fthumbs\u002F16\u002Fae\u002F16aee833b7e4ddcbad7089403ca59424966e6567893cd5f41cf07e9ab46cf76e.jpg",[34],{"alias_norm":35,"kind":36},"74VHCT257","base",[],[39,43],{"name":40,"name_en":41,"path":42},"逻辑 \u002F 模拟开关","Logic \u002F Analog Switches","logic",{"name":16,"name_en":17,"path":18},[45,48,51,54,57,60,63,66,69,72,75],{"pn_display":46,"pn_norm":46,"package":7,"summary":47},"74VHCT00A","Quad 2-input NAND gate",{"pn_display":49,"pn_norm":49,"package":7,"summary":50},"74VHCT04A","Hex inverter",{"pn_display":52,"pn_norm":52,"package":7,"summary":53},"74VHCT08A","Quad 2-input AND gate",{"pn_display":55,"pn_norm":55,"package":7,"summary":56},"74VHCT125A","Quad bus buffers (3-state)",{"pn_display":58,"pn_norm":58,"package":7,"summary":59},"74VHCT138A","3 to 8 line decoder (inverting)",{"pn_display":61,"pn_norm":61,"package":7,"summary":62},"74VHCT238A","3 to 8 line decoder",{"pn_display":64,"pn_norm":64,"package":7,"summary":65},"74VHCT245A","Octal bus transceiver (3-state)",{"pn_display":67,"pn_norm":67,"package":7,"summary":68},"74VHCT273A","Octal D-type flip flop with clear",{"pn_display":70,"pn_norm":70,"package":7,"summary":71},"74VHCT32A","Quad 2-input OR gate",{"pn_display":73,"pn_norm":73,"package":7,"summary":74},"74VHCT541A","Octal bus buffer with 3 state outputs (non inverted)",{"pn_display":76,"pn_norm":76,"package":7,"summary":77},"74VHCT574A","Octal D-type flip flop with 3 state outputs non inverting",[79,82,85,88,91,94,97,100,103,106,109,112],{"pn_display":80,"pn_norm":80,"summary":81},"M74HC253","Dual 4 channel multiplexer 3 state output",{"pn_display":83,"pn_norm":83,"summary":84},"74LCX139","Low voltage CMOS dual 2 to 4 decoder \u002F demultiplexer",{"pn_display":86,"pn_norm":86,"summary":87},"74LCX157","Low voltage CMOS Quad 2 channel multiplexer with 5V tolerant inputs",{"pn_display":89,"pn_norm":89,"summary":90},"74LVX157","Low voltage quad 2 channel multiplexer with 5V tolerant inputs",{"pn_display":92,"pn_norm":92,"summary":93},"74LVX257","Low voltage CMOS quad 2 channel multiplexer (3-state) with 5V tolerant inputs",{"pn_display":95,"pn_norm":95,"summary":96},"74VHC157","Quad 2 channel multiplexer",{"pn_display":98,"pn_norm":98,"summary":99},"AS21P2THB","Low voltage high bandwidth dual single-pole double-throw analog",{"pn_display":101,"pn_norm":101,"summary":102},"HCF4097","ANALOG MULTIPLEXER\u002FDEMULTIPLEXER",{"pn_display":104,"pn_norm":104,"summary":105},"HCF4555","Dual binary to 1 of 4 decoder\u002Fdemultiplexers output high on select",{"pn_display":107,"pn_norm":107,"summary":108},"HCF4556","Dual binary to 1 of 4 decoder\u002Fdemultiplexer output low on select",{"pn_display":110,"pn_norm":110,"summary":111},"M74HC153","Dual 4 channel multiplexer",{"pn_display":113,"pn_norm":113,"summary":114},"M74HC251","8-channel multiplexer (3-state)"]