常用数字集成电路引脚图.pdf

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1、 1 常用数字集成电路引脚图 74LS2531SA11D3GNDV123456715131211109816141Q1D21D11D02SA02D32Q2D22D12D0RBI74LS47BGNDV12345671513121110981614CDAfgabcdeLTRBO/BIC CCC 2 74LS112G N D123456715131211109816141K1Q1CPdR1dS1Q11J2K2CP2QdR2dS2Q22J1D1CP74LS74G N D5671312111098141QdR1dS1Q12D2CP2QdR2dS2Q21234VCCVCC 3 74LS51 双与或非门 7

2、4LS112 双 J-K 下降沿触发器 74LS126 三态缓冲器 4=1A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G1974LS244A02A13A24A35A46A57A68A79B018B117B216B315B414B513B612B711E19DIR174LS245D13Q12D24Q25D37Q36D48Q49D513Q512D614Q615D717Q716D818Q819CLK11CLR174LS273D03Q02D14Q15D27Q26D38Q39D413Q412D514

3、Q515D617Q616D718Q719OE1LE1174LS373D03Q02D14Q15D27Q26D38Q39D413Q412D514Q515D617Q616D718Q719OE1CLK1174LS374CLK10RST11Q19Q27Q36Q45Q53Q62Q74Q813Q912Q1014Q1115Q121VCC16GND840401A121A241A361A482A1112A2132A3152A4171Y1181Y2161Y3141Y4122Y192Y272Y352Y431G12G1974LS240 DREQ019DREQ118DREQ217DREQ316HACK7READY6CS1

4、1CLK12RESET13A032A133A234A335A437A538A639A740D030D129D228D327D426D523D622D721DACK025DACK124DACK214DACK315AEN9ADSTB8HREQ10EOP36IOR1IOW2MEMR3MEMW4VCC5VCC31VSS208237D034D133D232D331D430D529D628D727PA04PA13PA22PA31PA440PA539PA638PA737PB018PB119PB220PB321PB422PB523PB624PB725PC014PC115PC216PC317PC413PC512

5、PC611PC710RD5WR36A09A18RESET35CS6GND7VCC268255GND20VCC40OUTA027OUTB031OUTA126OUTB130OUTA225OUTB229OUTA324OUTB328DB012BD23DB113DB214SL032DB315SL133DB416SL234DB517SL335DB618DB719RL038RL139IRQ4RL21RL32CS22RL45RD10RL56WR11RL67A021RL78CLK3SHIFT36RESET9CNTL/S378279GND13VCC11IN-026msb2-1212-220IN-1272-3192

6、-418IN-2282-582-615IN-312-714lsb2-817IN-42EOC7IN-53ADD-A25IN-64ADD-B24ADD-C23IN-75ALE22ref(-)16ENABLE9START6ref(+)12CLOCK10ADC0809GND20VCC40D01SIN10D12SOUT11D23BAUDOU15D34RCLK9D45D56RTS32D67CTS36D78DTR33DSR37A028RSLD38A127RI39A226OUT134OUT231CS012CS113DISTR22CS214DISTR21ADS25DOSTR19MR35DOSTR18DDIS23

7、XTAL116CSOUT24XTAL217INTRPT308250 A010A19A28A37A46A55A64A73A825A924A1021A1123A122CS120CS226WE27OE22D011D112D213D315D416D517D618D719VCC28GND146264D011D110D29D38D47D56D65D74A027CS1RD3WR2SP/EN16INT17INTA26IR018IR119IR220IR321IR422IR523IR624IR725CAS012CAS113CAS215VCC28GND148259A08A17A26A35A44A53A62A71A8

8、23A922A1019E18G20W21D09D110D211D313D414D515D616D717VCC24GND126116GND4VCC26D027TxD19D128D21TxRDY15D32TxCLK9D45TxEMPT18D56D67RxD3D78RxRDY14CS11RxCLK25RD13SYNDET16WR10C/D12DSR22DTR24CLK20CTS17RESET21RTS238251GND12VCC24D08OUT010D17GATE011D26CLK09D35D44D53D62OUT113D71GATE114CLK115CS21RD22WR23OUT217A019GATE216A120CLK2188253AGND3GND10VCC20Iout111lsbDI07Iout212DI16DI25Rfb9DI34DI416Vref8DI515DI614msbDI713ILE19WR218CS1WR12Xfer17DAC0832 5 6 74LS175 7 74LS148 优先编码器 8 脚为地（GND）板 16 脚为电源（VCC）74LS47 七段译码器（共阳驱动）CD4011（四二输入与非门）8 4010 六同相驱动器 4011 四 2 输入与非门 4012 二 4 输入与非门 9 4042 四 D 触发器