瀹炵敤鏍囧噯鏂囨。
鏂囨澶у叏
涓�銆佸疄楠岀洰鐨?/p>
1
銆佹帉鎻?/p>
TTL
闆嗘垚涓庨潪闂ㄧ殑閫昏緫鍔熻兘鍜屼富瑕佸弬鏁扮殑娴嬭瘯鏂规硶
2
銆佹帉鎻?/p>
TTL
鍣ㄤ欢鐨勪娇鐢ㄨ鍒?/p>
3
銆佽繘涓�姝ョ啛鎮夋暟瀛楃數璺疄楠岃缃殑缁撴瀯锛屽熀鏈姛鑳藉拰浣跨敤鏂规硶
浜屻�佸疄楠屽師鐞?/p>
鏈疄楠岄噰鐢ㄥ弻鍥涜緭鍏ヤ笌闈為棬
74LS20
锛屽嵆鍦ㄤ竴鍧楅泦鎴愬潡鍐呭惈鏈変袱涓簰鐩哥嫭绔嬬殑涓庨潪闂紝姣忎釜涓?/p>
闈為棬鏈夊洓涓緭鍏ョ銆傚叾閫昏緫妗嗗浘銆佺鍙峰強寮曡剼鎺掑垪濡傚浘
1(a)
銆?/p>
(b)
銆?/p>
(c)
鎵�绀恒�?/p>
(b)
锛?/p>
a
锛?/p>
(c)
鍥?/p>
1 74LS20
閫昏緫妗嗗浘銆侀�昏緫绗﹀彿鍙婂紩鑴氭帓鍒?/p>
1
銆佷笌闈為棬鐨勯�昏緫鍔熻兘
涓庨潪闂ㄧ殑閫昏緫鍔熻兘鏄細
褰撹緭鍏ョ涓湁涓�涓垨涓�涓互涓婃槸浣庣數骞虫椂锛?/p>
杈撳嚭绔负楂樼數骞筹紱
鍙?/p>
鏈夊綋杈撳叆绔叏閮ㄤ负楂樼數骞虫椂锛岃緭鍑虹鎵嶆槸浣庣數骞筹紙鍗虫湁鈥?/p>
0
鈥濆緱鈥?/p>
1
鈥?/p>
锛屽叏鈥?/p>
1
鈥濆緱鈥?/p>
0
鈥?/p>
銆?/p>
锛?/p>
鍏堕�昏緫琛ㄨ揪寮忎负
Y
锛?/p>
2
銆?/p>
TTL
涓庨潪闂ㄧ殑涓昏鍙傛暟
(1)
杈撳嚭浣庣數骞?/p>
V
OL
锛氳緭鍑轰綆鐢靛钩鏄寚涓庨潪闂ㄧ殑鎵�鏈夎緭鍏ョ閮芥帴楂樼數骞虫椂鐨勮緭鍑虹數骞?/p>
鍊笺�傛祴璇曠數璺鍥?/p>
2
锛?/p>
a
锛夋墍绀恒�?/p>
锛?/p>
2
锛夎緭鍑洪珮鐢靛钩
V
OH
锛氳緭鍑洪珮鐢靛钩鏄寚涓庨潪闂ㄦ湁涓�涓互涓婅緭鍏ョ鎺ヤ綆鐢靛钩鏃剁殑杈撳嚭鐢?/p>
骞冲�笺�傛祴璇曠數璺鍥?/p>
2
锛?/p>
b
锛夋墍绀恒�?/p>