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鐧婚寗 | 鍏嶈不(f猫i)娉ㄥ唺(c猫)
CMOS閭忚集闆昏矾浠ｈ〃浜掕(b菙)鐨勯噾灞哀鍖栫墿鍗婂皫(d菐o)楂�(Complementary Metal-Oxide-Semiconductor)锛屽畠鎸囩殑鏄竴绋壒娈婇鍨嬬殑闆诲瓙闆嗘垚闆昏矾(IC)銆�
CMOS鏄柈瑭炵殑棣栧瓧姣嶇府瀵�锛岄泦鎴愰浕璺槸涓�濉婂井灏忕殑纭呯墖锛屽畠鍖呭惈鏈夊咕鐧捐惉鍊�(g猫)闆诲瓙鍏冧欢銆傝(sh霉)瑾濱C闅卞惈鐨勫惈缇╂槸灏囧鍊�(g猫)鍠崹(d煤)鐨勯泦鎴愰浕璺泦鎴愬埌涓�鍊�(g猫)闆昏矾涓�锛岀敘(ch菐n)鐢熶竴鍊�(g猫)鍗佸垎绶婃箠鐨勫櫒浠�銆傚湪閫氬父鐨勮(sh霉)瑾炰腑锛岄泦鎴愰浕璺�氬父绋辩偤鑺墖锛岃�岀偤瑷�(j矛)绠楁(j墨)鎳�(y墨ng)鐢ㄨō(sh猫)瑷�(j矛)鐨処C绋辩偤瑷�(j矛)绠楁(j墨)鑺墖銆�
闆栫劧鍒堕�犻泦鎴愰浕璺殑鏂规硶鏈夊绋紝浣嗗皪(du矛)浜庢暩(sh霉)瀛楅倧杓浕璺�岃█CMOS鏄富瑕佺殑鏂规硶銆傛闈�?zh猫n)鈧汉瑷�(j矛)绠楁(j墨)銆佸伐浣滅珯銆佽闋绘父鎴蹭互鍙婂叾瀹冩垚鍗冧笂钀殑鍏跺畠鐢�(ch菐n)鍝侀兘渚濊炒浜嶤MOS闆嗘垚闆昏矾渚嗗畬鎴愭墍闇�鐨勫姛鑳�銆傜暥(d膩ng)鎴戝�戞敞鎰忓埌鎵�鏈夌殑鍊�(g猫)浜鸿▓(j矛)绠楁(j墨)閮戒娇鐢ㄥ皥闁�鐨凜MOS鑺墖锛屽鐪炬墍鍛ㄧ煡鐨勫井铏曠悊鍣�锛屼締鐛插緱瑷�(j矛)绠楁�ц兘鏅�(sh铆)锛� CMOS IC鐨勯噸瑕佹�у氨涓嶈█鑰屽柣浜�銆�
鐩稿皪(du矛)浜庡叾浠栭倧杓郴鍒�锛孋MOS閭忚集闆昏矾鍏锋湁浠ヤ笅鍎�(y艒u)榛�(di菐n)锛�
1銆佸厑瑷辩殑闆绘簮闆诲鑼冨湇瀵�锛屾柟渚块浕婧愰浕璺殑瑷�(sh猫)瑷�(j矛)锛�
2銆侀倧杓摵骞呭ぇ锛屼娇闆昏矾鎶楀共鎿捐兘鍔涘挤(qi谩ng)锛�
3銆侀潨鎱�(t脿i)鍔熻�椾綆锛�
4銆侀殧闆㈡煹绲�(ji茅)妲�(g貌u)浣緾MOS鍣ㄤ欢鐨勮几鍏ラ浕闃绘サ澶э紝寰炶�屼娇CMOS鏈熼枔椹�(q奴)鍕�(d貌ng)鍚岄閭忚集闁�鐨勮兘鍔涙瘮鍏朵粬绯诲垪寮�(qi谩ng)寰楀CMOS鐧�(f膩)灞曟鍙叉棭鏈熺殑CMOS鍏冧欢鍜屼富瑕佺殑绔�(j矛ng)鐖�(zh膿ng)灏�(du矛)鎵婤JT鐩告瘮锛屽緢瀹规槗鍙楀埌闈滈浕鏀鹃浕锛圗lectroStaticDischarge,ESD锛夌殑鐮村銆�
CMOS閭忚集闆昏矾锛屽垎鍏╅儴鍒�锛屼笂鎷夐儴鍒嗭紝涓嬫媺閮ㄥ垎銆備笂鎷夐儴鍒嗙敱PMOS绠￠浕璺(g貌u)鎴�锛屼笅鎷夐儴鍒嗙敱NMOS绠￠浕璺祫鎴�锛屽涓嬨�備笂涓嬫媺锛屽舰鎴愪簰瑁�(b菙)銆�
鐢卞墠闈㈢殑鍩虹(ch菙)鍙煡锛孋MOS鍙兘瀵�(sh铆)鐝�(xi脿n)鍩烘湰閭忚集鐨勯潪锛屾瘮濡傛垨閭忚集锛岃垏閭忚集锛屽鏋滀笉鍔犲弽鐩稿櫒锛孋MOS鍙兘瀵�(sh铆)鐝�(xi脿n)鎴栭潪锛岃垏闈為倧杓�傚師鍥犲氨鏄笂鎷夐倧杓彧鑳界敤PMOS瀵�(sh铆)鐝�(xi脿n)锛屼笅鎷夐倧杓彧鑳界敱NMOS瀵�(sh铆)鐝�(xi脿n)锛岃�孭MOS鐨勫皫(d菐o)閫氶渶瑕佽几鍏ヤ俊铏�(h脿o)鐐�0锛孨MOS灏�(d菐o)閫氶渶瑕佽几鍏ヤ俊铏�(h脿o)鐐�1銆�
涓�鑸殑瑷�(sh猫)瑷�(j矛)閬庣▼
鏃㈢劧濡傛锛屽湪鐢–MOS瀵�(sh铆)鐝�(xi脿n)閭忚集闆昏矾鏅�(sh铆)锛屼竴鑸彲浠ョ収濡備笅闋嗗簭鍘诲仛锛�
鍙互鍏堝皣鍏舵暣楂斿厛鍔犱笂涓�鍊�(g猫)闈�锛屼綔鐩告噳(y墨ng)鐨勯倧杓綁(zhu菐n)鍖�銆�
涓婃媺閭忚集涓悇鍊�(g猫)PMOS锛岃垏鎿嶄綔鐐哄苟鑱�(li谩n)锛屾垨鎿嶄綔鐐轰覆鑱�(li谩n)銆�
涓嬫媺閭忚集涓悇鍊�(g猫)NMOS锛岃垏鎿嶄綔鐐轰覆鑱�(li谩n)锛屾垨鎿嶄綔鐐哄苟鑱�(li谩n)銆�
鑸変緥瑾槑
姣斿鎴戝�戞兂寰濩MOS灞ゅ幓瀵�(sh铆)鐝�(xi脿n)閭忚集 OUT = D+A*(B+C) 锛堟笡铏�(h脿o)鈥�-鈥濊〃绀哄彇鍙嶏紙闈烇級鎿嶄綔锛屸��+鈥濊〃绀烘垨,*琛ㄧず鑸囷級銆�
瑷�(sh猫)瑷�(j矛)閬庣▼濡備笅锛�
OUT = - ( -(D+A*(B+C)) )
OUT1 = -(D+A*(B+C))
OUT = -OUT1
灏�(du矛)浜嶰UT1 = -(D+A*(B+C))锛屾濂芥槸閭忚集鏁撮珨涓婂付浜嗗��(g猫)闈�锛岃ō(sh猫)瑷�(j矛)(D+A*(B+C))閮ㄥ垎涔嬪悗鍐嶅姞涓婁竴鍊�(g猫)闈炲嵆鍙��
鏁呭皪(du矛)浜庝笂鎷夐倧杓�:
1銆佹垨鎿嶄綔鐐轰覆鑱�(li谩n)锛屽緸鑰岃几鍏,C鎺ュ埌鐨凱MOS涔嬮枔鐐轰覆鑱�(li谩n)銆�
2銆佽垏鎿嶄綔鐐哄苟鑱�(li谩n)锛屾晠杓稿叆A鎺ュ埌鐨凱MOS璺烞,C鎴栭倧杓箣闁撶偤骞惰伅(li谩n)銆�
3銆佹垨鎿嶄綔鐐轰覆鑱�(li谩n)锛屾晠D鑸嘇*(B+C)鐨凱MOS閭忚集鐐轰覆鑱�(li谩n)銆�
灏�(du矛)浜庝笅鎷夐倧杓垏涓婃媺閭忚集姝ｅソ鐩稿弽锛�
4銆佹垨鎿嶄綔鐐哄苟鑱�(li谩n)锛屽緸鑰岃几鍏,C鎺ュ埌鐨凬MOS涔嬮枔鐐哄苟鑱�(li谩n)銆�
5銆佽垏鎿嶄綔鐐轰覆鑱�(li谩n)锛屾晠杓稿叆A鎺ュ埌鐨凬MOS璺烞,C鎴栭倧杓箣闁撶偤涓茶伅(li谩n)銆�
6銆佹垨鎿嶄綔鐐哄苟鑱�(li谩n)锛屾晠D鑸嘇*(B+C)鐨凬MOS閭忚集鐐哄苟鑱�(li谩n)銆�
7銆佸緸鑰屽緱鍒� OUT1 = -(D+A*(B+C)) 鐨凜MOS瀵�(sh铆)鐝�(xi脿n)濡備笅锛�
閬庣▼涓笂涓嬫媺鍏╅儴鍒嗙殑閭忚集寮忕浉鍚�锛岀祫鍚堣捣渚嗗悗锛岃嚜琛岃(b菙)鍏呬竴鍊�(g猫)闈�銆�
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