[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"part:nxp:PCA9521":3},{"part":4,"mfr":16,"docs":22,"aliases":31,"alts":37,"breadcrumbs":38,"related":44,"more_from_mfr":107},{"id":5,"pn":6,"pn_norm":6,"series":7,"package":7,"lifecycle":8,"summary":9,"params":10,"features":11,"pins":7,"updated_at":12,"category_name":13,"category_name_en":14,"category_path":15},14530,"PCA9521",null,"active","Fast dual bidirectional bus buffer",[],[],"2026-10-10T13:01:01.608Z","电平转换 \u002F 缓冲","Level Translators \u002F Buffers","logic.level",{"slug":17,"name_en":18,"name_cn":19,"website":20,"is_domestic":21},"nxp","NXP","恩智浦","https:\u002F\u002Fwww.nxp.com",false,[23],{"id":5,"filename":24,"title":25,"pages":26,"size_bytes":27,"lang":7,"doc_version":7,"published_at":7,"role":28,"outline_count":29,"thumb":30},"NXP-PCA9521.pdf","PCA9521 Fast dual bidirectional bus buffer",23,323259,"datasheet",35,"\u002Fthumbs\u002Fd6\u002F65\u002Fd66542d58c0eed07115ac7eef089c19e90b44af7f318e937e302de5af9368409.jpg",[32,35],{"alias_norm":33,"kind":34},"PCA9521D","order",{"alias_norm":36,"kind":34},"PCA9521DP",[],[39,43],{"name":40,"name_en":41,"path":42},"逻辑 \u002F 模拟开关","Logic \u002F Analog Switches","logic",{"name":13,"name_en":14,"path":15},[45,48,52,55,58,61,64,67,70,73,76,79,83,87,90,93,96,99,102,104],{"pn_display":46,"pn_norm":46,"package":7,"summary":47},"PCA9306","Dual bidirectional I2C-bus and SMBus voltage-level data sheet",{"pn_display":49,"pn_norm":49,"package":50,"summary":51},"PCA9410","WLCSP9","\u002F9410A 3.0 MHz, 500 mA, DC-to-DC boost converter",{"pn_display":53,"pn_norm":53,"package":50,"summary":54},"PCA9411","PCA9411A 3.0 MHz, 500 mA, DC-to-DC boost converter",{"pn_display":56,"pn_norm":56,"package":50,"summary":57},"PCA9412","PCA9412A",{"pn_display":59,"pn_norm":59,"package":7,"summary":60},"PCA9420","Power management IC for low-power microcontroller applications data sheet",{"pn_display":62,"pn_norm":62,"package":63,"summary":60},"PCA9421","SOT905-1",{"pn_display":65,"pn_norm":65,"package":7,"summary":66},"PCA9450","Power management IC for i.MX 8M application processor family data sheet",{"pn_display":68,"pn_norm":68,"package":7,"summary":69},"PCA9452","Power management IC for i.MX 93 application data sheet",{"pn_display":71,"pn_norm":71,"package":7,"summary":72},"PCA9460","13-channel power management integrated circuit (PMIC) for ultra-low power applications",{"pn_display":74,"pn_norm":74,"package":7,"summary":75},"PCA9500","8-bit I2C-bus and SMBus I\u002FO port with 2-kbit EEPROM",{"pn_display":77,"pn_norm":77,"package":7,"summary":78},"PCA9501","8-bit I2C-bus and SMBus I\u002FO port with interrupt, 2-kbit EEPROM and 6 address pins",{"pn_display":80,"pn_norm":80,"package":81,"summary":82},"PCA9502","SOT616-3","8-bit I\u002FO expander with I2C-bus\u002FSPI interface",{"pn_display":84,"pn_norm":84,"package":85,"summary":86},"PCA9504A","TSSOP56","Glue chip 4",{"pn_display":88,"pn_norm":88,"package":7,"summary":89},"PCA9505","40-bit I2C-bus I\u002FO port with RESET, OE and INT",{"pn_display":91,"pn_norm":92,"package":7,"summary":89},"PCA9505-PCA9506","PCA9505PCA9506",{"pn_display":94,"pn_norm":94,"package":7,"summary":95},"PCA9507","2-wire serial bus extender for HDMI DDC I2C-bus and SMBus",{"pn_display":97,"pn_norm":97,"package":7,"summary":98},"PCA9508","Hot swappable level translating I2C-bus repeater",{"pn_display":100,"pn_norm":100,"package":7,"summary":101},"PCA9509","Level translating I2C-bus\u002FSMBus repeater",{"pn_display":103,"pn_norm":103,"package":7,"summary":7},"PCA9509A",{"pn_display":105,"pn_norm":105,"package":7,"summary":106},"PCA9509P","Low Power Level Translating I2C-Bus\u002FSMBus Repeater",[108,111,114,117,120,123,125,128,131,133,136,138],{"pn_display":109,"pn_norm":109,"summary":110},"GTL2002","2-bit bidirectional low voltage translator",{"pn_display":112,"pn_norm":112,"summary":113},"GTL2005","Quad GTL\u002FGTL+ to LVTTL\u002FTTL bidirectional non-latched translator",{"pn_display":115,"pn_norm":115,"summary":116},"GTL2010","10-bit bidirectional low voltage translator",{"pn_display":118,"pn_norm":118,"summary":119},"NTB0101","Q100 Dual supply translating transceiver; auto direction sensing; 3-state",{"pn_display":121,"pn_norm":121,"summary":122},"NTB0102","Dual supply translating transceiver; auto direction sensing; 3-state",{"pn_display":124,"pn_norm":124,"summary":122},"NTBA104",{"pn_display":126,"pn_norm":126,"summary":127},"NTS0101","Dual supply translating transceiver; open drain; auto direction sensing",{"pn_display":129,"pn_norm":129,"summary":130},"NTS0102","Dual supply translating transceiver; open-drain; auto direction sensing - data sheet",{"pn_display":132,"pn_norm":132,"summary":127},"NTS0103",{"pn_display":134,"pn_norm":134,"summary":135},"NTS0104","Q100 Dual supply translating transceiver; open drain; auto direction sensing",{"pn_display":137,"pn_norm":137,"summary":130},"NTSX2102",{"pn_display":139,"pn_norm":139,"summary":140},"NVT2001","Bidirectional voltage level translator for open-drain and push-pull data sheet"]