1、 74LS01 1Y 1A 1B 2Y 2A 2B GNDVCC4B 4Y 4A3B3Y3A12345671413121110 9 8YAB74LS01 四四2输入与非门输入与非门(OC) 12345671413121110 9 8 1A 1Y 2A 2Y 3A 3YGNDVCC6A6Y5A5Y4A4Y74LS04 74LS04 六反相器六反相器YA12345671413121110 9 8 1A 1Y 2A 2Y 3A 3YGNDVCC6A6Y5A5Y4A4Y74LS16 74LS16 六反相缓冲器六反相缓冲器YA12345671413121110 9 8 1A 1Y 2A 2Y 3A 3Y
2、GNDVCC6A6Y5A5Y4A4Y74LS17 74LS17 六缓冲器六缓冲器YAabcdefgUCCGND1413121110915123456774LS48816YfYgYaYbYcYdYeA1A2A3A0LTBI/RBORBI灯测试输灯测试输入入灭灯输入灭灯输入/灭零灭零输出输出灭零输入灭零输入7448LTBI/RBORBIGNDVCC12345671413121110981516fgabcdeA1A2A3A0A3A2A1A0LTBI/RBORBIfgabcde7448NCRDS1S2S3GNDVCCSD1CPR3R2R1QQSDS1S2S31CPR1R2R3RD1S1R&Q Q161
3、51312111014124567389CCVQQDRDSJKCPQQDRDSJKCPGNDGND748318169A3S2A2B2VccS1B1A1B0A0S0B3S3C3C-174LS861234567A1B1Y1A2B2Y2GND & &141312111098 & &UCCA4B4Y4A3B3Y374LS136 (oc) 16 15 14 13 12 11 10 974LS147 1 2 3 4 5 6 7 8VCC NC Y3 I3 I2 I1 I9 Y0I4 I5 I6 I7 I8 Y2 Y1 GND VCC YS YEX I3 I2 I1 I0 Y0 I4 I5 I6 I7 ST Y2 Y1 GND 16 15 14 13 12 11 10 9 74LS148 1 2 3 4 5 6 7 8 Y2 Y1 Y0 YS YEX ST I7 I6 I5 I4 I3 I2 I1 I0 6 7 9 15 14 74LS148 5 4 3 2 1 13 12 11 10 外引脚排列图 逻辑符号图
