鏅傞枔锛�2025/5/6 14:26:42
闁辫畝锛�23
SN75451B 鏄竴绋洐閫氶亾鐨勯珮閫熺窔椹呭嫊鍣�/鎺ユ敹鍣紝灏堢偤鍦� RS-422 鍜� RS-485 缍�(w菐ng)绲′腑鎻愪緵澧炲挤鐨勬暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏鑰岃ō瑷�銆傚畠鑳藉浠ラ珮閬� 10 Mbps 鐨勯�熺巼閬嬭锛屽苟涓斿叿鏈変綆鍔熻�楃壒鎬э紝閬╃敤浜庡绋伐妤�(y猫)鍜岄�氫俊鎳夌敤銆�
銆�銆�瑭茶姱鐗囬噰鐢ㄥ厛閫茬殑 CMOS 鎶�琛撳埗閫狅紝纰轰繚浜嗗叾楂樺彲闈犳�у拰绌�(w臎n)瀹氭��銆傚悓鏅傦紝SN75451B 鎻愪緵浜嗗樊鍒嗚几鍏ュ拰杓稿嚭锛屽彲浠ユ湁鏁堟笡灏戦浕纾佸共鎿撅紙EMI锛�锛屽緸鑰屾彁楂樹俊铏熷畬鏁存�с��
闆绘簮闆诲锛�3V 鑷� 5.5V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-40掳C 鑷� +85掳C
銆�銆�鏁�(sh霉)鎿�(j霉)鍌宠几閫熺巼锛氭渶楂� 10 Mbps
銆�銆�杓稿叆闃绘姉锛氣墺 10 k惟
銆�銆�杓稿嚭闆绘祦锛毬�16 mA
銆�銆�鍏辨ā杓稿叆闆诲鑼冨湇锛�-7V 鑷� +12V
銆�銆�灏佽褰㈠紡锛歋OIC-16, PDIP-16
1. 闆欓�氶亾宸垎椹呭嫊鍣ㄥ拰鎺ユ敹鍣�
銆�銆�2. 楂橀�熸暩(sh霉)鎿�(j霉)鍌宠几鑳藉姏锛堟渶澶� 10 Mbps锛�
銆�銆�3. 宸ヤ綔闆诲鑼冨湇瀵紙3V 鑷� 5.5V锛�锛岄仼鍚堝绋浕婧愮挵(hu谩n)澧�
銆�銆�4. 鍏�(n猫i)缃啽闂滄柗淇濊鍔熻兘锛岄槻姝㈤亷杓夋垨鐭矾鏅傛悕澹炲櫒浠�
銆�銆�5. 杓稿叆鍏煎 TTL 闆诲钩锛屼究浜庤垏閭忚集闆昏矾閫ｆ帴
銆�銆�6. 鏀寔鍗婇洐宸ユ垨鍏ㄩ洐宸ラ�氫俊妯″紡
銆�銆�7. 杓稿嚭鐭矾淇濊锛屾彁鍗囩郴绲�(t菕ng)鍙潬鎬�
銆�銆�8. 浣庡姛鑰楀緟姗熸ā寮忥紝闄嶄綆鏁撮珨鑳借��
銆�銆�9. 鑳藉鎵垮彈 卤15kV ESD锛堥潨闆绘斁闆伙級淇濊锛屾彁楂橀妫掓��
銆�銆�10. 绗﹀悎 RS-422 鍜� RS-485 妯欐簴锛岄仼鐢ㄤ簬宸ユキ(y猫)绺界窔鍜岄暦璺濋洟閫氫俊
SN75451B 寤ｆ硾鎳夌敤浜庨渶瑕佸彲闈犲樊鍒嗛�氫俊鐨勫牬鏅�锛屽寘鎷絾涓嶉檺浜庝互涓嬮牁鍩燂細
銆�銆�1. 宸ユキ(y猫)鑷嫊鍖栬ō鍌欎腑鐨勭従(xi脿n)鍫寸附绶氶�氫俊
銆�銆�2. 閬犵▼鍌虫劅鍣ㄦ暩(sh霉)鎿�(j霉)閲囬泦绯荤当(t菕ng)
銆�銆�3. 妯撳畤鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)
銆�銆�4. 閫氫俊缍�(w菐ng)绲′腑鐨勫榛炴暩(sh霉)鎿�(j霉)鍌宠几
銆�銆�5. POS 绲傜鍜屽叾浠栧晢妤�(y猫)闆诲瓙瑷倷
銆�銆�6. 宓屽叆寮忕郴绲�(t菕ng)鐨勪覆琛屾帴鍙ｆ摯灞�
銆�銆�7. 閱�(y墨)鐧傚剙鍣ㄤ腑鐨勭┅(w臎n)瀹氭暩(sh霉)鎿�(j霉)鍌宠几妯″
銆�銆�8. 瀹夐槻鐩�(ji膩n)鎺х郴绲�(t菕ng)鐨勫垎甯冨紡绡�(ji茅)榛為�氫俊
銆�銆�鐢变簬鍏跺挤澶х殑鎬ц兘鍜岄仼鎳夋��锛孲N75451B 鎴愮偤瑷卞宸ョ▼甯湪瑷▓澶氶粸閫氫俊鍜岄暦璺濋洟鍌宠几鏂规鏅傜殑棣栭伕鑺墖銆�
SN75179B, MAX485, LT1798
