鏅傞枔锛�2025/4/29 18:01:10
闁辫畝锛�35
SN74HC190N 鏄竴娆鹃珮閫� CMOS 鍚屾鍗侀�插埗/浜岄�插埗瑷堟暩(sh霉)鍣�锛屽爆浜� 74HC 绯诲垪閭忚集鍣ㄤ欢銆傝┎鑺墖鍏锋湁鍚屾娓呴浂銆佸悓姝ュ姞杓変互鍙婇仦澧�/閬炴笡瑷堟暩(sh霉)鍔熻兘锛岄仼鐢ㄤ簬闇�瑕侀潏娲绘帶鍒剁殑瑷堟暩(sh霉)鎳夌敤鍫存櫙銆傚畠鑳藉?q奴)宕縁(xi脿n)寰� 0 鍒� 9 鐨勫崄閫插埗瑷堟暩(sh霉)鎴栬�呭緸 0 鍒� 15 鐨勪簩閫插埗瑷堟暩(sh霉)锛屽苟涓斿彲浠ラ�氶亷绱氳伅(li谩n)澶氬�嬭姱鐗囦締鎿村睍瑷堟暩(sh霉)鑼冨湇銆�
銆�銆�鐢变簬鍏朵綆鍔熻�楃壒鎬у拰杓冮珮鐨勯枊闂�(gu膩n)閫熷害锛孲N74HC190N 鍦ㄥ悇绋暩(sh霉)瀛楅浕璺腑寰楀埌寤ｆ硾鎳夌敤锛屽寘鎷畾鏅傚櫒銆佸垎闋诲櫒銆佽▓鏁�(sh霉)鍣ㄥ拰鍦板潃璀⒓鍣ㄧ瓑銆�
闆绘簮闆诲锛�2V 鑷� 6V
銆�銆�宸ヤ綔婧害鑼冨湇锛�-55掳C 鑷� +125掳C
銆�銆�鍌虫挱寤堕伈鏅傞枔锛氱磩 18ns锛堝吀鍨嬪��锛屽湪 Vcc=4.5V 涓嬶級
銆�銆�杓稿叆闆绘祦锛毬�1渭A锛堟渶澶у�硷級
銆�銆�杓稿嚭闆绘祦锛毬�25mA锛堟渶澶у�硷級
銆�銆�灏佽褰㈠紡锛欴IP16/SOIC16
SN74HC190N 鐨勪富瑕佺壒鎬у寘鎷細
銆�銆�1. 鍚屾娓呴浂鍔熻兘锛屽彲閫氶亷 RESET 寮曡叧灏囪▓鏁�(sh霉)鍣ㄨō(sh猫)缃偤 0銆�
銆�銆�2. 鍚屾鍔犺級鍔熻兘锛屽彲閫氶亷 LOAD 寮曡叧灏囬爯瑷�(sh猫)鏁�(sh霉)鎿�(j霉)鍔犺級鍒拌▓鏁�(sh霉)鍣ㄣ��
銆�銆�3. 鍙伕鎿囬仦澧炴垨閬炴笡瑷堟暩(sh霉)妯″紡锛岄�氶亷 MODE 寮曡叧閫茶鎺у埗銆�
銆�銆�4. 鏀寔绱氳伅(li谩n)浣跨敤锛屽彲妲�(g貌u)寤烘洿寰╅洔鐨勮▓鏁�(sh霉)绯荤当(t菕ng)銆�
銆�銆�5. 杓稿叆鍜岃几鍑哄吋瀹� TTL 鍜� CMOS 闆诲钩妯欐簴銆�
銆�銆�6. 鍏锋湁浣庨潨鎱�(t脿i)闆绘祦鍜岄珮鍣伈瀹归檺锛岄潪甯搁仼鍚堥浕姹犱緵闆昏ō(sh猫)鍌欏拰鍏朵粬浣庡姛鑰楁噳鐢�銆�
SN74HC190N 寤ｆ硾鎳夌敤浜庝互涓嬮牁(l菒ng)鍩燂細
銆�銆�1. 鏁�(sh霉)瀛楁檪閻樺拰瑷堟檪闆昏矾銆�
銆�銆�2. 闋荤巼鍒嗛牷鍣ㄥ拰淇¤櫉鐢熸垚鍣�銆�
銆�銆�3. 姝ラ�查浕姗熸帶鍒跺拰鑴堟矕搴忓垪鐢熸垚銆�
銆�銆�4. 瑷堟暩(sh霉)鍣ㄥ拰绱姞鍣ㄨō(sh猫)瑷堛��
銆�銆�5. 宸ユキ(y猫)鑷嫊鍖栨帶鍒剁郴绲�(t菕ng)涓殑浜嬩欢瑷堟暩(sh霉)妯″銆�
銆�銆�6. 瀹剁敤闆诲櫒鍜屾秷璨婚闆诲瓙鐢�(ch菐n)鍝佷腑鐨勫畾鏅傚拰鎺у埗鍔熻兘銆�
銆�銆�7. 鏁�(sh霉)鎿�(j霉)閫氫俊涓殑骞�鍚屾鍜屾瘮鐗瑰悓姝ラ浕璺�銆�
SN74HCT190N, MC14HCT190, SN74HC190
