74ls系列芯⽚功能和参数详细介绍
74、74HC、74LS系列芯⽚资料
系列电平典型传输延迟ns 最⼤驱动电流(-Ioh/Lol)mA
AHC CMOS 8.5 -8/8
AHCT COMS/TTL 8.5 -8/8
HC COMS 25 -8/8
HCT COMS/TTL 25 -8/8
ACT COMS/TTL 10 -24/24
F TTL 6.5 -15/64
ALS TTL 10 -15/64
LS TTL 18 -15/24
注：同型号的74系列、74HC系列、74LS系列芯⽚，逻辑功能上是⼀样的。74LSxx的使⽤说明如果找不到的话，可参阅74xx 或74HCxx的使⽤说明。有些资料⾥包含了⼏种芯⽚，如74HC161资料⾥包含了74HC160、74HC161、74HC162、
74HC163四种芯⽚的资料。找不到某种芯⽚的资料时，
可试着查看⼀下临近型号的芯⽚资料。
专家证人分工合作7400 QUAD 2-INPUT NAND GATES 与⾮门
7401 QUAD 2-INPUT NAND GATES OC 与⾮门
7402 QUAD 2-INPUT NOR GATES 或⾮门
7403 QUAD 2-INPUT NAND GATES 与⾮门
7404 HEX INVERTING GATES 反向器
7406 HEX INVERTING GATES HV ⾼输出反向器
7408 QUAD 2-INPUT AND GATE 与门
7409 QUAD 2-INPUT AND GATES OC 与门
7410 TRIPLE 3-INPUT NAND GATES 与⾮门
7411 TRIPLE 3-INPUT AND GATES 与门
74121 ONE-SHOT WITH CLEAR 单稳态
74132 SCHMITT TRIGGER NAND GATES 触发器与⾮门新年快乐英文祝福语
7414 SCHMITT TRIGGER INVERTERS 触发器反向器
74153 4-LINE TO 1 LINE SELECTOR 四选⼀74155 2-LINE TO 4-LINE DECODER 译码器74180 PARITY GENERATOR/CHECKER 奇偶发⽣检验74191 4-BIT BINARY COUNTER UP/DOWN 计数器7420 DUAL 4-INPUT NAND GATES 双四输⼊与⾮门7426 QUAD 2-INPUT NAND GATES 与⾮门7427 TRIPLE 3-INPUT NOR GATES 三输⼊或⾮门7430 8-INPUT NAND GATES ⼋输⼊端与⾮门7432 QUAD 2-INPUT OR GATES ⼆输⼊或门7438 2-INPUT NAND GATE BUFFER 与⾮门缓冲器7445 BCD-DECIMAL DECODER/DRIVER BCD译码驱动器7474 D-TYPE FLIP-FLOP D型触发器7475 QUAD LATCHES 双锁存器7476 J-K FLIP-FLOP J-K触发器7485 4-BIT MAGNITUDE COMPARATOR 四位⽐较器7486 2-INPUT EXCLUSIVE OR GATES 双端异或门74HC00 QUAD 2-IN
PUT NAND GATES 双输⼊与⾮门74HC02 QUAD 2-INPUT NOR GATES 双输⼊或⾮门74HC03 2-INPUT OPEN-DRAIN NAND GATES 与⾮门74HC04 HEX INVERTERS 六路反向器74HC05 HEX INVERTERS OPEN DRAIN 六路反向器74HC08 2-INPUT AND GATES 双输⼊与门74HC107 J-K FLIP-FLOP WITH CLEAR J-K触发器74HC109A J-K FLIP-FLOP W/PRESET J-K触发器74HC11 TRIPLE 3-INPUT AND GATES 三输⼊与门74HC112 DUAL J-K FLIP-FLOP 双J-K触发器74HC113 DUAL J-K FLIP-FLOP PRESET 双JK触发器
内定向74HC123A RETRIGGERABLE MONOSTAB 可重触发单稳74HC125 TRI-STATE QUAD BUFFERS 四个三态门74HC126 TRI-STATE QUAD BUFFERS 六三态门74HC132 2-INPUT TRIGGER NAND 施密特触发与⾮门74HC133 13-INPUT NAND
GATES ⼗三输⼊与⾮门74HC137 3-TO-8 DECODERS W/LATCHES 3-8线译码器74HC138 3-8 LINE DECODER 3线⾄8线译码器74HC139 2-4 LINE DECODER 2线⾄4线译码器74HC14 TRIGGERED HEX INVERTER 六触发反向器74HC147 10-4 LINE PRIORITY ENCODER 10-4编码器74HC148 8-3 LINE PRIORITY ENCODER 8-3编码器74HC149 8-8 LINE PRIORITY ENCODER 8-8编码器74HC151 8-CHANNEL DIGITAL MUX 8通道多路器74HC153 DUAL 4-INPUT MUX 双四输⼊多路器74HC154 4-16 LINE DECODER 4线⾄16线译码器74HC155 2-4 LINE DECODER 2线⾄4线译码器74HC157 QUAD 2-INPUT MUX 四个双端多路器
74HC161 BINARY COUNTER ⼆进制计数器74HC163 DECADE COUNTERS ⼗进制计数器74HC164 SERIAL-PARALLEL SHIFT REG 串⼊并出74HC165 PARALLEL-SERIAL SHIFT REG 并⼊串出74HC166 SERIAL-PARALLEL SHIFT REG 串⼊并出74HC173 TRI-STATE D FLIP-FLOP 三态D触发器74HC174 HEX D FLIP-FLOP W/CLEAR 六D触发器74HC175 HEX D FLIP-FLOP W/CLEAR 六D触发器74HC181 ARITHMETIC LOGIC UNIT 算术逻辑单元74HC182 LOOK AHEAD CARRYGENERATR 进位发⽣器74HC190 BINARY UP/DN COUNTER ⼆进制加减计数器74HC191 DECADE UP/DN COUNTER ⼗进制加减计数器74HC192 DECADE UP/DN COUNTER ⼗进制加减计数器74HC193 BINARY UP/DN COUNTER ⼆进制加减计数器74HC194 4BIT BI-DIR SHIFT 4位双向移位寄存器74HC195 4BIT PARALLEL SHIFT 4位并⾏移位寄存器74HC20 QUAD 4-INPUT NAND GATE 四个四⼊与⾮门74HC221A NON-RETRIG MONOSTAB 不可重触发单稳74HC237 3-8 LINE DECODER 地址锁3线⾄8线译码器74HC242/243 TRI-STAT TRANSCEIVER 三态收发器74HC244 OCTAL 3-STATE BUFFER ⼋个三态缓冲门74HC245 OCTAL 3-STATE TRANSCEIVER 三态收发器74HC251 8-CH 3-STATE MUX 8路3态多路器74HC253 DUAL 4-CH 3-STATE MUX 4路3态多路器74HC257 QUAD 2-CH 3-STATE MUX 4路3态多路器74HC258 2-CH 3-STATE MUX 2路3态多路器74HC259 3-8 LINE DECODER 8位地址锁存译码器74HC266A 2-INPUT EXCLUSIVE NOR GATE 异或⾮74HC27 TRIPLE 3-INPUT NOR GATE三个3输⼊或⾮门74HC273 OCTAL D FLIP-FLOP CLEAR 8路D触发器74HC280 9BIT ODD/EVEN GENERATOR 奇偶发⽣器74HC283 4BIT BINARY ADDER C
ARRY 四位加法器74HC299 3-STATE UNIVERSAL SHIFT 三态移位寄存74HC30 8-INPUT NAND GATE 8输⼊端与⾮门74HC32 QUAD 2-INPUT OR GATE 四个双端或门74HC34 NON-INVERTER ⾮反向器74HC354 8-CH 3-STATE MUX 8路3态多路器74HC356 8-CH 3-STATE MUX 8路3态多路器74HC365 HEX 3-STATE BUFFER 六个三态缓冲门74HC366 3-STATE BUFFER INVERTER 缓冲反向器74HC367 3-STATE BUFFER INVERTER 缓冲反向器74HC368 3-STATE BUFFER INVERTER 缓冲反向器74HC373 3-STATE OCTAL D LATCHES 三态D型锁存器74HC374 3-STATE OCTAL D FLIPFLOP 三态D触发器
74HC393 4-BIT BINARY COUNTER 4位⼆进制计数器
74HC4016 QUAD ANALOG SWITCH 四路模拟量开关
74HC4020 14-Stage Binary Counter 14输出计数器
74HC4017 Decade Counter/Divider with 10 Decoded Outputs ⼗进制计数器带10个译码输出端
74HC4040 12 Stage Binary Counter 12出计数器
74HC4046 PHASE LOCK LOOP 相位监测输出器
74HC4049 LEVEL DOWN CONVERTER 电平变低器
74HC4050 LEVEL DOWN CONVERTER 电平变低器
74HC4051 8-CH ANALOG MUX 8通道多路器
74HC4052 4-CH ANALOG MUX 4通道多路器
74HC4053 2-CH ANALOG MUX 2通道多路器
74HC4060 14-STAGE BINARY COUNTER 14阶BIN计数
74HC4066 QUAD ANALOG MUX 四通道多路器
74HC4075 TRIPLE 3-INPUT OR GATE 3输⼊或门
74HC42 BCD TO DECIMAL BCD转⼗进制译码器
74HC423A RETRIGGERABLE MONOSTAB 可重触发单稳
74HC4511 BCD-7 SEG DRIVER/DECODER 7段译码器
74HC4514 4-16 LINE DECODER 4⾄16线译码器
74HC4538A RETRIGGERAB MONOSTAB 可重触发单稳
74HC4543 LCD BCD-7 SEG LCD⽤的BCD-7段译码驱动
74HC51 AND OR GATE INVERTER 与或⾮门
74HC521 8BIT MAGNITUDE COMPARATOR 判决定路
74HC533 3-STATE D LATCH 三态D锁存器
74HC534 3-STATE D FLIP-FLOP 三态D型触发器
74HC540 3-STATE BUFFER 三态缓冲器
74HC541 3-STATE BUFFER INVERTER三态缓冲反向器
74HC58 DUAL AND OR GATE 与或门
74HC589 3STATE 8BIT SHIFT 8位移位寄存三态输出
74HC594 8BIT SHIFT REG 8位移位寄存器
74HC595 8BIT SHIFT REG 8位移位寄存器出锁存
74HC597 8BIT SHIFT REG 8位移位寄存器⼊锁存
74HC620 3-STATE TRANSCEIVER 反向3态收发器
74HC623 3-STATE TRANSCEIVER ⼋路三态收发器
74HC640 3-STATE TRANSCEIVER 反向3态收发器
74HC643 3-STATE TRANSCEIVER ⼋路三态收发器
74HC646 NON-INVERT BUS TRANSCEIVER 总线收发器
74HC648 INVERT BUS TRANCIVER 反向总线收发器
74HC688 8BIT MAGNITUDE COMPARATOR 8位判决电路
74HC7266 2-INPUT EXCLUSIVE NOR GATE 异或⾮门
西游记第七回主要内容
74HC73 DUAL J-K FLIP-FLOP W/CLEAR 双JK触发器
乖妈妈
74HC74A PRESET/CLEAR D FLIP-FLOP 双D触发器雷暴
捐献的近义词
74HC75 4BIT BISTABLE LATCH 4位双稳锁存器
74HC76 PRESET/CLEAR JK FLIP-FLOP 双JK触发器
74HC85 4BIT MAGNITUDE COMPARATOR 4位判决电路74HC86 2INPUT EXCLUSIVE OR GATE 2输⼊异或门74HC942 BAUD MODEM 300BPS低速调制解调器74HC943 300 BAUD MODEM 300BPS低速调制解调器74LS00 QUAD 2-INPUT NAND GATES 与⾮门74LS02 QUAD 2-INPUT NOR GATES 或⾮门74LS03 QUAD 2-INPUT NAND GATES 与⾮门74LS04 HEX INVERTING GATES 反向器74LS05 HEX INVERTERS OPEN DRAIN 六路反向器74LS08 QUAD 2-INPUT AND GATE 与门74LS09 QUAD 2-INPUT AND GATES OC 与门74LS10 TRIPLE 3-INPUT NAND GATES 与⾮门74LS109 QUAD 2-INPUT AND GATES OC 与门74LS11 TRIPLE 3-INPUT AND GATES 与门74LS112 DUAL J-K FLIP-FLOP 双J-K触发器
74LS113 DUAL J-K FLIP-FLOP PRESET 双JK触发器74LS114 NEGATIVE J-K FLIP-FLOP 负沿J-K触发器74LS122 Retriggerable Monostab 可重触发单稳74LS123 Retriggerable Monostable 可重触发单稳74LS125 TRI-STATE QUAD BUFFERS 四个三态门74LS13 QUAL 4-in NAND TRIGGER 4输⼊与⾮触发器74LS160 BCD DECADE 4BIT BIN COUNTERS 计数器74LS136 QUADRUPLE 2-INPUT
XOR GATE 异或门74LS138 3-8 LINE DECODER 3线⾄8线译码器74LS139 2-4 LINE DECODER 2线⾄4线译码器74LS14 TRIGGERED HEX INVERTER 六触发反向器74HC147 10-4 LINE PRIORITY ENCODER 10-4编码器74HC148 8-3 LINE PRIORITY ENCODER 8-3编码器74HC149 8-8 LINE PRIORITY ENCODER 8-8编码器74LS151 8-CHANNEL DIGITAL MUX 8通道多路器74LS153 DUAL 4-INPUT MUX 双四输⼊多路器74LS155 2-4 LINE DECODER 2线⾄4线译码器74LS156 2-4 LINE DECODER/DEMUX 2-4译码器74LS157 QUAD 2-INPUT MUX 四个双端多路器74LS158 2-1 LINE MUX 2-1线多路器74LS160A BINARY COUNTER ⼆进制计数器74LS161A BINARY COUNTER ⼆进制计数器74LS162A BINARY COUNTER ⼆进制计数器74LS163A DECADE COUNTERS ⼗进制计数器74LS164 SERIAL-PARALLEL SHIFT REG 串⼊并出74LS168 BI-DIRECT BCD TO DECADE 双向计数器74LS169
4BIT UP/DN BIN COUNTER 四位加减计数器74LS173 TRI-STATE D FLIP-FLOP 三态D触发器74LS174 HEX D FLIP-FLOP W/CLEAR 六D触发器
74LS175 HEX D FLIP-FLOP W/CLEAR 六D触发器74LS190 BINARY UP/DN COUNTER ⼆进制加减计数器74LS191 DECADE UP/DN COUNTER ⼗进制加减计数器74LS192 DECADE UP/DN COUNTER ⼗进制加减计数器74LS193
BINARY UP/DN COUNTER ⼆进制加减计数器74LS194A 4BIT BI-DIR SHIFT 4位双向移位寄存器74LS195A 4BIT PARALLEL SHIFT4位并⾏移位寄存器74LS20 QUAD 4-INPUT NAND GATE 四个四⼊与⾮门74LS21 4-INPUT AND GATE 四输⼊端与门74LS240 OCTAL 3-STATE BUFFER ⼋个三态缓冲门74LS244 OCTAL 3-STATE BUFFER ⼋个三态缓冲门74LS245 OCTAL 3-STATE TRANSCEIVER 三态收发器74LS253 DUAL 4-CH 3-STATE MUX 4路3态多路器74LS256 4BIT ADDRESS LATCH 四位可锁存锁存器74LS257 QUAD 2-CH 3-STATE MUX 4路3态多路器74LS258 2-CH 3-STATE MUX 2路3态多路器74LS27 TRIPLE 3-INPUT NOR GATES 三输⼊或⾮门74LS279 QUAD R-S LATCHES 四个RS⾮锁存器74LS28 QUAD 2-INPUT NOR BUFFER 四双端或⾮缓冲74LS283 4BIT BINARY ADDER CARRY 四位加法器74LS30 8-INPUT NAND GATES ⼋输⼊端与⾮门74LS32 QUAD 2-INPUT OR GATES ⼆输⼊或门74LS352 4-1 LINE SELECTOR/MUX 4-1线选择多路器74LS365 HEX 3-STATE BUFFER 六个三态缓冲门74LS367 3-STATE BUFFER INVERTER 缓冲反向器
74LS368A 3-STATE BUFFER INVERTER 缓冲反向器74LS373 OCT LATCH W/3-STATE OUT三态输出锁存器74LS76 Dual JK Flip-Flop w/t 2个JK触发器74LS379 QUAD PARALLEL REG 四个并⾏寄存器74LS38 2-INPUT NAND GATE BUFFER 与⾮门缓冲器74LS390 DUAL DECADE COUNTER 2个10进制计数器74LS393 DUAL BINARY COUNTER 2个2进制计数器74LS42 BCD TO DECIMAL BCD转⼗进制译码器74LS48 BCD-7 SEG BCD-7段译码器74LS49 BCD-7 SEG BCD-7段译码器74LS
51 AND OR GATE INVERTER 与或⾮门74LS540 OCT Buffer/Line Driver 8路缓冲驱动器74LS541 OCT Buffer/LineDriver 8路缓冲驱动器74LS74 D-TYPE FLIP-FLOP D型触发器74LS682 8BIT MAGNITUDE COMPARATOR 8路⽐较器74LS684 8BIT MAGNITUDE COMPARATOR 8路⽐较器74LS75 QUAD LATCHES 双锁存器74LS83A 4BIT BINARY ADDER CARRY 四位加法器74LS85 4BIT MAGNITUDE COMPARAT 4位判决电路
74LS86 2INPUT EXCLUSIVE OR GATE 2输⼊异或门74LS90 DECADE/BINARY COUNTER ⼗/⼆进制计数器74LS95B
4BIT RIGHT/LEFT SHIFT 4位左右移位寄存74LS688 8BIT MAGNITUDE COMPARAT 8位判决电路74LS136 2-INPUT XOR GATE 2输⼊异或门74LS651 BUS TRANSCEIVERS 总线收发器74LS653 BUS TRANSCEIVERS 总线收发器74LS670 3-STATE 4-BY-4 REG 3态4-4寄存器74LS73A DUAL J-K FLIP-FLOP W/CLEAR 双JK触发器
