https://e2echina.ti.com/support/logic/zh-CNTelligent Community 13https://e2echina.ti.com/support/logic/f/logic-forum/1076815/txb0104-txb0104/3876591Thu, 04 Jun 2026 08:53:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:18222d3a-b8da-44dc-aab2-1ddd10aa9c18Vivian Gao下方链接有过回复。 TXB0104: TXB0104 Source-series termination Recommendation? - Logic forum - Logic - TI E2E support forumshttps://e2echina.ti.com/support/logic/f/logic-forum/1076815/txb0104-txb0104Thu, 04 Jun 2026 03:16:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:2b22da3e-af42-4de0-a91b-d88d421ade3fGuangfeng WeiPart Number: TXB0104 TXB0104在a1a2a3a4b1b2b3b4 转换口串的电阻误贴成2k阻值调试测试过，经发现后改成47欧姆电阻，后来a1-a4没有输出了, 再换回2k电阻也没有输出，可能是什么原因？谢谢。TXB0104工业自动化https://e2echina.ti.com/support/logic/f/logic-forum/1076408/sn74cb3q3257-sn74cb3q3257/3876426Wed, 03 Jun 2026 00:28:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:6b4d576e-1946-464a-9793-4f560d3f846aEirwen请参考下面FAQ： [FAQ] How to Calculate the Max Junction Temperature of an Analog Switch/Multiplexer. - Switches & multiplexers forum - Switches & multiplexers - TI E2E support forumshttps://e2echina.ti.com/support/logic/f/logic-forum/1076408/sn74cb3q3257-sn74cb3q3257/3876322Tue, 02 Jun 2026 03:02:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:e7155c06-a14f-4d65-aa52-99b539aac2eb?? ?请问有确认结果了吗https://e2echina.ti.com/support/logic/f/logic-forum/1076408/sn74cb3q3257-sn74cb3q3257/3876259Mon, 01 Jun 2026 05:38:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:f1aafe21-3d55-4e1d-bcfa-c7161aac4d37Eirwen已经收到了您的案例，调查需要些时间，感谢您的耐心等待。https://e2echina.ti.com/support/logic/f/logic-forum/1076408/sn74cb3q3257-sn74cb3q3257Sat, 30 May 2026 04:27:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:f956432f-2316-4166-bd20-8d1b6dcaacf4?? ?Part Number: SN74CB3Q3257 请问下SN74CB3Q3257的最大结温是多少？我看有的地方写85℃，有的地方写105℃。SN74CB3Q3257https://e2echina.ti.com/support/logic/f/logic-forum/1076373/sn74lvc1g08-tj/3875076Fri, 29 May 2026 06:17:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:4084bd04-92f8-4530-afcf-23219f3d2ce3Lydia您好，数据手册第四页有具体数值， www.ti.com.cn/.../sn74lvc1g08.pdfhttps://e2echina.ti.com/support/logic/f/logic-forum/1076373/sn74lvc1g08-tjFri, 29 May 2026 06:01:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:e610fa0a-5b74-4fbf-9fae-1327a6aeb441zhou wenqiangPart Number: SN74LVC1G08 HI, 请帮忙给一下SN74LVC1G08DCKR 这个器件的Tj温度，以便我屏蔽热风险，谢谢。SN74LVC1G08https://e2echina.ti.com/support/logic/f/logic-forum/1075599/sn74hc14-sn74hc14-input-vcc/3874099Thu, 28 May 2026 07:16:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:2c83351c-2480-4211-a47d-cc88d5532b8eEirwen请参考下面FAQ： (1) [FAQ] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)? - Logic forum - Logic - TI E2E support forumshttps://e2echina.ti.com/support/logic/f/logic-forum/1075599/sn74hc14-sn74hc14-input-vcc/3874098Thu, 28 May 2026 07:15:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:5e094e9a-ed77-4c1a-97b9-eb1346abaf59Eirwen请参考下面FAQ： (1) [FAQ] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)? - Logic forum - Logic - TI E2E support forumshttps://e2echina.ti.com/support/logic/f/logic-forum/1075602/sn74lv595a-x-ray/3872272Tue, 26 May 2026 09:59:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:92f73a96-c46e-4496-9547-af15f729350dLinksTI 论坛旨在解决客户在使用TI产品过程中遇到的技术问题。请按照以下方式联系客户支持部门，会有客服为您提供帮助。 打开链接 https://ticsc.service-now.com/csm 点击“ 申请新的支持” 下面的“ 提交申请” 按钮 TRANSLATE with x English Arabic Hebrew Polish Bulgarian Hindi Portuguese Catalan Hmong Daw Romanian Chinese Simplified Hungarian Russian Chinese Traditional Indonesian Slovak Czech Italian Slovenian Danish Japanese Spanish Dutch Klingon Swedish English Korean Thai Estonian Latvian Turkish Finnish Lithuanian Ukrainian French Malay Urdu German Maltese Vietnamese Greek Norwegian Welsh Haitian Creole Persian TRANSLATE with COPY THE URL BELOW Back EMBED THE SNIPPET BELOW IN YOUR SITE Enable collaborative features and customize widget: Bing Webmaster Portal Backhttps://e2echina.ti.com/support/logic/f/logic-forum/1075602/sn74lv595a-x-rayTue, 26 May 2026 09:52:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:0f7f05c1-853b-4feb-805e-ee711ac4a021Andy CaiPart Number: SN74LV595A TI的料号会因为年份产地这些导致X-RAY不一样吗？有PCN吗？具体料号SN74LV595APWRSN74LV595Ahttps://e2echina.ti.com/support/logic/f/logic-forum/1075599/sn74hc14-sn74hc14-input-vcc/3872268Tue, 26 May 2026 09:01:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:4c7a4119-5533-4fe7-aab2-62e35aac2864Eirwen已经收到了您的案例，调查需要些时间，感谢您的耐心等待。https://e2echina.ti.com/support/logic/f/logic-forum/1075599/sn74hc14-sn74hc14-input-vccTue, 26 May 2026 08:58:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:658f4aba-ca41-43d1-b223-48e4c729d521zhang xinyuPart Number: SN74HC14 你好：我们是SN74HC14, INPUT信号的高电平是5V，VCC供电电压是3.3V，请问是否可以？HC14的的输入INPUT到VCC的二极管作用是什么？为什么要这个二极管？SN74HC14https://e2echina.ti.com/support/logic/f/logic-forum/1074466/sn74avc4t774-sn74axc4t774-sn74avc4t774/3872225Tue, 26 May 2026 03:38:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:8aa49a8d-19c1-4907-bc65-12674c771520Eirwen感谢您对TI产品的关注！ 关于您的咨询，我看您在英文E2E与我们的工程师 Josh 在沟通。 那这边的帖子我就关闭了。 有疑问请继续与 Josh 直接沟通： (1) SN74AXC4T774: SN74AXC4T774 & SN74AVC4T774 - Logic forum - Logic - TI E2E support forumshttps://e2echina.ti.com/support/logic/f/logic-forum/1075006/sn74hcs573-q1/3870067Fri, 22 May 2026 07:38:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:9552c491-3b40-44ab-9ab5-93a6700ff115Lydia您好， 请参考 e2echina.ti.com/.../VQFN-Package-Info-_2800_1_2900_.pdfhttps://e2echina.ti.com/support/logic/f/logic-forum/1075006/sn74hcs573-q1Fri, 22 May 2026 07:32:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:ceec98c7-e954-4fc1-86eb-74c30e1a348dhaiyou xiePart Number: SN74HCS573-Q1 官网上只找到这器件的3D模型，找不到书面上的规格信息。SN74HCS573-Q1https://e2echina.ti.com/support/logic/f/logic-forum/1074478/sn74hc14-sn74hc14-vcc/3869114Thu, 21 May 2026 23:53:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:5316c0c7-d5df-41aa-bee5-eac6ad9875c5Lydia您好，新问题请重新再发一个帖子谢谢https://e2echina.ti.com/support/logic/f/logic-forum/1074478/sn74hc14-sn74hc14-vcc/3868259Thu, 21 May 2026 12:04:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:a88dd22c-f87b-45ac-9527-3df31e9ab166zhang xinyu你好，感谢。麻烦再问下，为什么HC的逻辑VI输入到VCC有这个二极管？这个二极管的作用是什么？https://e2echina.ti.com/support/logic/f/logic-forum/1074478/sn74hc14-sn74hc14-vcc/3868221Thu, 21 May 2026 03:21:00 GMT91561404-af28-475a-b96b-cb6cbaadd097:f6317ca1-69fa-456b-b93e-bb6a6684bce4Lydia您好， 请参考此FAQ [FAQ] Can the input voltage (Vi) to my logic device be higher than the supply voltage (Vcc)? - Logic forum - Logic - TI E2E support forums