绗簩绔?/p>
闆嗘垚闂ㄧ數璺?/p>
涓�銆佸～绌?/p>
1
銆佺敱
TTL
闂ㄧ粍鎴愮殑鐢佃矾濡傚浘
7
.1-2
鎵�绀猴紝宸茬煡瀹冧滑鐨勮緭鍏ョ煭璺數娴佷负
I
is
锛?/p>
1.6mA
锛岄珮鐢靛钩
杈撳叆婕忕數娴?/p>
I
iH
锛?/p>
40
渭
A
銆傝瘯闂細褰?/p>
A=B=1
鏃讹紝
G
1
鐨?/p>
鐢垫祦锛堟媺锛岀亴锛変负
锛?/p>
A=0
鏃讹紝
G
1
鐨?/p>
鐢垫祦锛堟媺锛岀亴锛変负
銆?/p>
&
G
3
&
&
G
1
G
2
A
B
鍥?/p>
1
2
銆?/p>
TTL
闂ㄧ數璺緭鍏ョ鎮┖鏃讹紝搴旇涓?/p>
锛?/p>
锛堥珮鐢靛钩锛屼綆鐢靛钩锛屼笉瀹氾級姝ゆ椂濡傜敤涓囩敤琛?/p>
娴嬮噺鍏剁數鍘嬶紝璇绘暟绾︿负
锛?/p>
3.5V
锛?/p>
0V
锛?/p>
1.4V
锛?/p>
銆?/p>
3
銆侀泦鐢垫瀬寮�璺棬锛?/p>
OC
闂級鍦ㄤ娇鐢ㄦ椂椤诲湪
涔嬮棿鎺ヤ竴鐢甸樆锛堣緭鍑轰笌鍦帮紝杈撳嚭涓庤緭鍏ワ紝
杈撳嚭涓庣數婧愶級
銆?/p>
4
銆?/p>
CMOS
闂ㄧ數璺殑鐗圭偣锛氶潤鎬佸姛鑰?/p>
锛堝緢澶э紝鏋佷綆锛?/p>
锛涜�屽姩鎬佸姛鑰楅殢鐫�宸ヤ綔棰戠巼鐨勬彁
楂樿�?/p>
锛堝鍔狅紝鍑忓皬锛屼笉鍙橈級
锛涜緭鍏ョ數闃?/p>
锛堝緢澶э紝寰堝皬锛?/p>
锛涘櫔澹板闄?/p>
锛堥珮锛?/p>
浣庯紝绛夛級浜?/p>
TTL
闂ㄣ�?/p>
浜屻�?/p>
鍥?/p>
2
鍚勭數璺腑鍑℃槸鑳藉疄鐜伴潪鍔熻兘鐨勮鎵撳鍙凤紝鍚﹀垯鎵撁椼�傚浘
2-1
涓?/p>
TTL
闂ㄧ數璺紝鍥?
2-2
涓?/p>
CMOS
闂ㄧ數璺�?/p>
A
&
5V
A
鈮?
A
1M
&
&
&
A
1
=1
A
100
鈮?
飦?
鍥?/p>
2-1
&
A
1M
A
鈮?
B
TG
A
&
1
A
=1
DD
V
鍥?/p>
2-2
涓夈�?/p>
瑕佸疄鐜板浘
3
涓悇
TTL
闂ㄧ數璺緭鍑虹鎵�绀虹殑閫昏緫鍏崇郴鍚勯棬鐢佃矾鐨勬帴娉曟槸鍚︽纭紵濡備笉
姝ｇ‘锛岃浜堟洿姝ｃ�?/p>