[{"data":1,"prerenderedAt":60},["ShallowReactive",2],{"connector:usb-a-standard:en":3},{"connector":4,"prose":55,"confirmations":59},{"schemaVersion":5,"governance":6,"meta":18,"pins":36},"1.0.0",{"publication":7,"verification":10,"provenance":15},{"status":8,"publishedDate":9},"published","2026-09-26",{"status":11,"verifiedDate":9,"verifiedBy":12,"checklist":13},"verified","Claude (LLM review against cited primary sources)",{"schema":14,"technicalFacts":14,"relationships":14,"sources":14},true,{"sourceUrls":16},[17],"https:\u002F\u002Fwww.usb.org\u002Fdocument-library\u002Fusb-20-specification",{"slug":19,"name":20,"title":21,"standard":22,"positionCount":23,"layout":24,"category":25,"source":26,"specs":32,"overview":34},"usb-a-standard","USB 2.0 Standard-A Connector","USB 2.0 Type-A Standard 4-Pin Plug and Receptacle Pinout","USB 2.0 (USB-IF)",4,"row","usb_data",[27],{"label":28,"url":17,"authority":29,"documentType":30,"publisher":31},"Universal Serial Bus Specification Revision 2.0 (with ECNs, 2025 bundle)","primary","standard","USB Implementers Forum",{"standard":33,"positions":23},"USB 2.0 Type-A",{"summaryKey":35},"connectors.usba.summary",[37,42,47,51],{"n":38,"category":39,"signal":40,"role":41,"standardized":14},1,"power","VBUS","+5 V bus power: up to 500 mA (five unit loads) from a high-power port, 100 mA from a low-power port",{"n":43,"category":44,"signal":45,"role":46,"standardized":14},2,"usb","D-","USB 2.0 differential data, negative half",{"n":48,"category":44,"signal":49,"role":50,"standardized":14},3,"D+","USB 2.0 differential data, positive half",{"n":23,"category":52,"signal":53,"role":54,"standardized":14},"gnd","GND","Ground return",{"description":56,"card":57,"intro":58},"USB 2.0 Standard-A pinout: VBUS, D−, D+ and GND on the four contacts of the Type-A plug and receptacle, with the bus power limits from the USB 2.0 specification.","Standard four-contact USB 2.0 Type-A connector.","The USB 2.0 Standard-A connector carries bus power, one differential data pair and ground on four contacts. Select a contact to see its signal and role.",null,1791663949310]