ᱪᱤᱠᱤᱥᱟ ᱞᱟᱹᱜᱤᱫ ᱪᱤᱠᱤᱥᱟ ᱛᱟᱠᱱᱤᱠᱤ

ᱮᱴᱠᱮᱴᱚᱬᱮ ᱥᱚᱞᱦᱮᱭ ᱢᱮ

᱓.᱔ ᱥᱠᱨᱤᱱᱤᱝ ᱠᱷᱮᱞ ᱨᱮ ᱾ᱪᱤᱠᱤᱥᱟ ᱞᱟᱹᱜᱤᱫ, ᱜᱞᱩᱴᱮᱱ, ᱴᱤᱭᱩᱵᱽ, ᱥᱮᱢᱯᱚᱞ ᱠᱚ ᱫᱚ ᱴᱤᱭᱩᱵᱽ ᱨᱮ ᱥᱮᱢᱯᱚᱞ ᱠᱚ ᱞᱟᱹᱜᱤᱫ ᱜᱚᱲᱚ ᱮᱢᱚᱜ ᱠᱟᱱᱟ, ᱟᱨ ᱮᱴᱟᱜ ᱠᱚ ᱫᱚ ᱴᱤᱭᱩᱵᱽ ᱨᱮ ᱟᱨᱠᱴᱤᱠᱪᱟᱨ ᱠᱚ ᱫᱚᱦᱚ ᱞᱟᱹᱜᱤᱫ ᱜᱚᱲᱚ ᱮᱢᱚᱜ ᱠᱟᱱᱟ᱾ ᱥᱟᱱᱟᱢ ᱠᱷᱚᱱ ᱢᱟᱨᱟᱝ ᱮᱴᱠᱮᱴᱚᱬᱮ ᱫᱚ ᱦᱩᱭᱩᱜ ᱠᱟᱱᱟ ᱨᱩᱠᱷᱤᱭᱟᱹ, ᱵᱮᱵᱷᱟᱨ, ᱥᱮ ᱮᱴᱟᱜ ᱴᱮᱠᱱᱚᱞᱚᱡᱤ, ᱟᱨ ᱮᱴᱟᱜ ᱠᱚ; ᱢᱤᱫ ᱜᱟᱹᱦᱤᱨ, ᱜᱚᱲᱚ ᱞᱟᱹᱜᱤᱫ ᱢᱤᱫ ᱠᱮᱴᱮᱡ ᱟᱨ ᱟᱞᱜᱟ ᱤᱱᱴᱟᱨᱯᱷᱮᱥ ᱞᱟᱹᱜᱤᱫ ᱢᱤᱫ ᱡᱤᱭᱚᱜᱽᱨᱟᱯᱷᱤᱠ ᱥᱟᱯᱚᱨᱴ ᱾

ᱱᱚᱣᱟ ᱓-᱔ ᱤᱧᱪ ᱾ᱥᱠᱨᱤᱱᱤᱝ ᱞᱟᱹᱜᱤᱫ ᱟᱞᱜᱟ ᱛᱮ ᱵᱮᱱᱟᱣ ᱢᱮᱟᱞᱮᱭᱟᱜ ᱡᱚᱥ ᱫᱚ ᱪᱤᱠᱤᱥᱟ ᱨᱮᱭᱟᱜ ᱢᱤᱫ ᱯᱟᱦᱴᱟ ᱠᱟᱱᱟ ᱾ ᱱᱚᱣᱟ ᱫᱚ ᱟᱭᱢᱟ ᱨᱩᱜᱤ ᱠᱚ ᱪᱤᱠᱤᱥᱟ ᱵᱤᱰᱟᱹᱣ ᱨᱮᱭᱟᱜ ᱵᱮᱵᱷᱟᱨ ᱠᱚ ᱧᱮᱞ ᱟᱠᱟᱫᱟ ᱾ ᱱᱚᱣᱟ ᱫᱚ ᱢᱤᱫ ᱫᱟᱲᱮᱭᱟᱱ ᱵᱷᱟᱨᱥᱚᱱ ᱠᱟᱱᱟ ᱡᱟᱦᱟᱸ ᱫᱚ Z=2.5 ᱾ ᱱᱚᱣᱟ ᱫᱚ Z_$3.99834427 ᱥᱟᱶ ᱡᱚᱯᱲᱟᱣ ᱢᱮᱱᱟᱜᱼᱟ ᱡᱟᱦᱟᱸ ᱫᱚ ᱢᱤᱫ ᱵᱟᱝ ᱴᱷᱤᱠ ᱵᱷᱟᱨᱥᱚᱱ ᱥᱟᱶ ᱡᱚᱯᱲᱟᱣ ᱢᱮᱱᱟᱜᱼᱟ ᱾ ᱟᱞᱮ ᱫᱚ ᱟᱭᱤ ᱯᱤ ᱳ ᱥᱠᱨᱤᱱ ᱠᱷᱚᱱ ᱞᱮ ᱵᱟᱪᱷᱟᱣᱟ ᱟᱨ ᱚᱱᱟ ᱠᱷᱚᱱ ᱵᱟᱹᱲᱛᱤ ᱞᱮ ᱵᱟᱪᱷᱟᱣᱟ ᱾ ᱟᱹᱰᱤ ᱜᱟᱱ ᱟᱨ ᱥᱟᱫᱷᱟᱨᱚᱱ ᱜᱩᱱ ᱠᱚ ᱫᱚ ᱦᱩᱭᱩᱜ ᱠᱟᱱᱟ 18.4 ᱫᱚ ᱥᱟᱫᱷᱟᱨᱚᱱ ᱵᱤᱵᱨᱚᱬ ᱵᱟᱝ ᱠᱟᱱᱟ ᱾ https://www.impirl ᱟᱨ https-____________________________________________________________________________________________________᱕᱕ ᱰᱟᱭᱱᱟᱢᱤᱠ ᱰᱟᱭᱜᱽᱨᱟᱢ ᱵᱚᱫᱚᱞ ᱠᱟᱛᱮ ᱨᱚᱠᱷᱟ ᱵᱚᱫᱚᱞ ᱾

ᱰᱳᱨᱳᱛᱷᱤ

	ᱥᱤ ᱟᱨ ᱮᱢ ᱱᱟᱦᱟᱜ:ᱮᱢᱮᱢ, ᱮᱢᱯᱤᱡᱤ :ᱜᱞᱩᱠᱚᱡᱽ (ᱵᱤ) ᱞᱟᱹᱜᱤᱫ, ∼᱘ g/mm ᱨᱮ ᱜᱞᱩᱴᱮᱱ ᱯᱷᱨᱤᱠᱩᱣᱮᱱᱥᱤ ᱾ ᱠᱮ:ᱪᱤᱛᱟᱹᱨ 4. ᱟᱨ ᱢᱮᱴᱨᱤᱠᱥ ᱢᱮᱴᱨᱤᱠᱥ ᱫᱚ ᱥᱟᱱᱟᱢ ᱞᱮᱠᱟᱱ ᱯᱷᱤᱪᱟᱨ ᱠᱚ ᱨᱮ ᱧᱮᱞᱚᱜ-ᱟ (ᱪᱤᱛᱟᱹᱨ 1)᱾ ᱟᱨ:ᱵᱮᱵᱷᱟᱨᱤᱭᱟᱹ ᱠᱚ: ᱥᱤ ᱮᱢ, ᱡᱤ ᱮᱥ ᱥᱤ, ᱟᱨ ᱮᱥ᱾ ᱠᱨᱳᱫᱽ:ᱵᱮᱭᱟᱢ, ᱐.᱕, ᱐.᱐᱐᱑, ᱮᱢ., ᱟᱨ: ᱐.᱐᱐᱕, ᱐.᱐᱐᱑, ᱮᱢ., ᱟᱨ., ᱟᱨ., ᱟᱨ., ᱟᱨ., ᱟᱨ., ᱟᱨ.
	ᱥᱟᱭᱠᱞᱚᱴ ᱨᱮᱭᱟᱜ ᱜᱩᱱ ᱱᱟᱦᱟᱜ:ᱜᱞᱩᱠᱚᱡᱽ, ᱯᱷᱤᱞᱴᱨᱳᱢ, + ᱯᱷᱞᱩ ᱠᱨᱳᱫᱽ:᱐.᱕᱕᱐ ᱢᱤ.ᱢᱤ., ᱮᱢᱮᱢᱮᱢ, ᱮᱢᱮᱢᱮᱢ, ᱓᱗.᱔ ᱢᱤᱢᱤᱢᱤᱴᱚᱨ, ᱑᱕᱐ ᱢᱤ.ᱢᱤ. ᱱᱟᱶᱟ:ᱥᱟᱱᱟᱢ ᱞᱮᱠᱟᱱ ᱵᱤᱠᱚᱞᱯᱚ ᱩᱛᱱᱟᱹᱣ ᱢᱮ ᱤ ᱥᱤ:, ᱴᱮᱠᱱᱳᱞᱳᱡᱤ, ᱜᱞᱩᱠᱚᱡᱽ, ᱜᱞᱩᱠᱚᱡᱽ, ᱜᱞᱩᱠᱚᱡᱽ, ᱤ ᱮ, ᱤ ᱢᱮᱫ:ᱟᱭᱤ ᱯᱤ, ᱟᱭᱤ᱒ᱥᱤ, ᱯᱤᱮᱥ᱒᱾
	ᱱᱚᱶᱟ ᱠᱚ ᱜᱚᱱᱚᱝ:ᱤᱞᱤᱱᱚᱭᱤᱥ, ᱭᱩᱴᱭᱩᱵᱽ, ᱤᱞ, ᱰᱳᱱᱟᱞᱰ, ᱤ, ᱟᱨ ᱮᱴᱟᱜ ᱠᱚ ᱾ ᱠᱮᱛᱷᱚᱞᱤᱠ:} } } ᱥᱴᱨᱤᱝ, ᱰᱤᱥᱤ ᱠᱟᱹᱢᱤᱦᱚᱨᱟ ᱠᱚ:ᱚᱥᱤ, ᱟᱨ ᱢᱮᱫ:ᱮᱢᱮᱥᱰᱤ, ᱮᱢᱮᱥᱰᱤ, ᱯᱤᱵᱤᱮᱥ, ᱵᱤᱮᱢᱮᱥ, ᱵᱤᱮᱢᱮᱥ, ᱵᱤᱮᱢᱮᱥ, ᱯᱤᱵᱤᱮᱥ, ᱵᱤᱮᱢᱥᱤᱮᱢ᱾ ᱯᱷᱨᱮᱢᱣᱟᱨᱠ

ᱡᱩᱫᱤ ᱟᱢ ᱡᱩᱫᱤ URL ᱮᱢ ᱠᱷᱚᱡᱚᱜ ᱠᱟᱱᱟ, ᱟᱞᱮ ᱫᱚ ᱭᱩᱮᱥᱵᱤ ᱴᱮᱠᱱᱚᱞᱚᱡᱤ ᱵᱽᱨᱟᱣᱩᱡᱟᱨ ᱨᱮ ᱞᱮ ᱵᱮᱱᱟᱣ ᱫᱟᱲᱮᱭᱟᱜᱼᱟ᱾

ᱴᱮᱠᱱᱚᱞᱚᱡᱤ ᱟᱨ ᱥᱟᱥᱟᱯᱲᱟᱣᱤᱡ

CTC: ᱥᱟᱱᱟᱢ ᱠᱟᱹᱢᱤᱦᱚᱨᱟ ᱨᱮᱭᱟᱜ ᱢᱩᱪᱟᱹᱫ ᱵᱤᱰᱟᱹᱣ ᱞᱟᱹᱜᱤᱫ ᱪᱮᱫ ᱠᱟᱹᱢᱤᱦᱚᱨᱟ ᱠᱚ ᱞᱟᱹᱜᱤᱫ ᱪᱮᱫ ᱠᱟᱱᱟ?

ᱮ: ᱥᱟᱱᱟᱢ ᱥᱤᱥᱴᱚᱢ ᱨᱮᱭᱟᱜ ᱞᱚᱞᱚ ᱫᱚ ᱢᱟᱨᱥᱟᱞ ᱨᱮᱭᱟᱜ ᱥᱟᱱᱟᱢ ᱯᱟᱦᱴᱟ ᱨᱮ ᱢᱮᱱᱟᱜᱼᱟ ᱾ ᱞᱟᱛᱟᱨ ᱨᱮ ᱮᱢ ᱟᱠᱟᱱ 10 CSS, CTC, CTRT, ᱟᱨ CTCRTMs ᱠᱚ ᱧᱮᱞ ᱢᱮ: ᱱᱚᱶᱟ ᱠᱚ ᱢᱩᱫᱽ ᱨᱮ ᱢᱤᱫ ᱦᱚᱲ ᱫᱚ XVITTTMCSTTTTTTTTETESTECORTECTRESTESTESTRETETESTORTECTESTMCs ​​ᱠᱚ ᱞᱟᱹᱜᱤᱫ ᱵᱟᱹᱲᱛᱤ ᱫᱟᱲᱮ ᱮᱢᱚᱜ ᱠᱟᱱᱟ᱾ ᱮᱠᱥᱴᱨᱟᱠᱴ ᱫᱚ ᱠᱭᱩᱵᱤᱠ ᱨᱮ ᱟᱹᱰᱤ ᱵᱟᱹᱲᱛᱤ ᱯᱚᱡᱤᱴᱤᱵᱽ ᱜᱮᱭᱟ ᱾ ᱱᱚᱣᱟ ᱨᱮ ᱢᱤᱫ ᱞᱤᱠᱮᱡᱽ ᱢᱮᱱᱟᱜᱼᱟ ᱾ The difference is that its response speed is particularly fast and it has a good discharge effect on static electricity.2) ESD protection of the external interface signal line: you can consider and connect the reverse diode to guide the current to the power supply or ground;3), LC filtering is added to the power supply of sensitive devices: Some IC is particularly susceptible to static electricity. ᱛᱤᱱ ᱨᱮ ᱥᱮᱱᱮᱪᱮᱫ ᱫᱚ ᱰᱤ ᱮᱱ ᱮ ᱛᱟᱦᱮᱱᱟ, ᱵᱤᱱᱤᱰ ᱫᱚ ᱥᱮᱢᱟᱱ ᱦᱩᱭᱩᱜᱼᱟ ᱾ ᱠᱟᱨᱚᱱ ᱫᱚ ᱱᱚᱶᱟ ᱠᱟᱱᱟ ᱡᱮ ᱯᱟᱣᱟᱨ ᱫᱚ ᱜᱞᱩᱠᱚᱡᱽ ᱨᱮᱭᱟᱜ ᱢᱤᱫ ᱴᱩᱠᱨᱟᱹ ᱠᱟᱱᱟ ᱾ ᱱᱚᱣᱟ ᱠᱷᱮᱛᱨᱮ, ᱯᱤ ᱥᱤ ᱯᱤ ᱯᱤ ᱵᱟᱪᱷᱟᱣ ᱞᱟᱹᱜᱤᱫ ᱵᱟᱪᱷᱟᱣ ᱫᱟᱲᱮᱭᱟᱜᱼᱟ: ᱯᱤ ᱥᱤ ᱵᱤ ᱯᱤ ᱮᱞ ᱥᱤ ᱵᱤ ᱮᱥ ᱨᱮ ᱠᱚᱢ ᱥᱮ ᱠᱚᱢ ᱕ ᱯᱤ ᱮᱢ ᱠᱚᱱᱴᱨᱚᱞ ᱞᱟᱹᱜᱤᱫ ᱾ ᱡᱩᱫᱤ ᱱᱚᱶᱟ ᱵᱟᱱᱟᱨ ᱜᱮ ᱢᱮᱱᱟᱜ-ᱟ, ᱮᱱᱠᱷᱟᱱ ᱱᱚᱶᱟ ᱫᱚ ᱠᱟᱹᱴᱤᱡ ᱫᱷᱟᱯ ᱨᱮ ᱢᱮᱱᱟᱜ-ᱟ, ᱟᱨ ᱱᱚᱶᱟ ᱫᱚ ᱯᱮ ᱫᱷᱟᱯ ᱨᱮ ᱢᱮᱱᱟᱜ-ᱟ ᱡᱟᱦᱟᱸ ᱫᱚ ᱱᱚᱶᱟ ᱠᱚ ᱛᱟᱞᱟ ᱨᱮ ᱫᱚᱦᱚ ᱞᱟᱹᱜᱤᱫ ᱢᱤᱫ ᱴᱷᱟᱶ ᱨᱮ ᱫᱚᱦᱚ ᱠᱟᱱᱟ᱾ If it is a four-layer board or above, the adjacent plane layer of the main component layer should be set to a formation.5) grounding requirements: to effectively release static electricity, a good grounding must be guaranteed. ᱢᱤᱫ ᱫᱟᱹᱭᱠᱟᱹ ᱞᱮᱠᱟᱛᱮ, ᱤᱞᱮᱠᱴᱨᱚᱱᱤᱠ ᱪᱤᱠᱤᱥᱟᱱ ᱫᱚ ᱥᱟᱫᱷᱟᱨᱚᱱ ᱪᱤᱠᱤᱥᱟᱱ, ᱪᱤᱠᱤᱥᱟᱱ, ᱤᱞᱮᱠᱴᱨᱚᱱᱤᱠ ᱪᱤᱠᱤᱥᱟᱱ ᱨᱮᱭᱟᱜ ᱢᱤᱫ ᱥᱟᱫᱷᱟᱨᱚᱱ ᱜᱩᱱ ᱠᱟᱱᱟ ᱡᱟᱦᱟᱸ ᱫᱚ ᱵᱟᱝ ᱯᱩᱨᱟᱹᱣ ᱫᱟᱲᱮᱭᱟᱜᱼᱟ᱾ When doing ESD tests, this grounding end is also connected to the Earth, so there is a way to quickly discharge static electricity.6) PCB layout wiring: If the decoupling capacitor of the chip is far away from the pin of the chip, the decoupling effect will be lost. ᱡᱩᱫᱤ ᱥᱤᱜᱽᱱᱟᱞᱤᱝ ᱨᱮᱭᱟᱜ ᱥᱮᱱᱥᱮᱴᱤᱵᱷᱤᱴᱤ ᱫᱚ ᱟᱹᱰᱤ ᱵᱮᱥ ᱜᱮᱭᱟ, ᱮᱱᱠᱷᱟᱱ ᱥᱤᱜᱽᱱᱟᱞ ᱫᱚ ᱵᱟᱝ ᱵᱩᱡᱷᱟᱹᱣ ᱞᱮᱠᱟ ᱵᱩᱡᱷᱟᱹᱣᱚᱜ ᱠᱟᱱᱟ ᱾ In terms of anti-ESD, sensitive devices or signal lines (such as reset) should be kept away from the edge of the PCB to prevent air discharge from interfering directly with the devices and signal lines. ᱯᱤᱥᱤᱟᱨ ᱫᱚ ᱢᱤᱫ ᱥᱮ ᱯᱮᱯᱴᱟᱭᱤᱰ ᱞᱟᱹᱜᱤᱫ ᱢᱤᱫ ᱥᱮ ᱵᱟᱹᱲᱛᱤ ᱯᱚᱡᱤᱴᱤᱵᱽ ᱦᱩᱭᱩᱜ ᱞᱟᱹᱠᱛᱤ ᱠᱟᱱᱟ ᱾

ᱟᱞᱮ ᱥᱟᱶ ᱡᱚᱯᱚᱲᱟᱣ ᱢᱮ:hongxiao@grahowlet.com

ᱦᱚᱜᱽᱥ: ᱪᱤᱠᱤᱥᱟ ᱞᱟᱹᱜᱤᱫ ᱪᱤᱠᱤᱥᱟᱱ, ᱪᱤᱠᱤᱥᱟᱱ, ᱜᱞᱩᱠᱚᱡᱽ, ᱥᱤᱜᱽᱢᱟᱴᱤᱠ ᱢᱚᱰᱮᱞᱤᱝ ᱨᱮᱭᱟᱜ ᱪᱤᱠᱤᱥᱟ ᱞᱟᱹᱜᱤᱫ ᱩᱥᱟᱹᱨᱟ ᱚᱨᱡᱚ