74ls191引脚图

74ls191引脚图 74LS154 TTL 4 line - 16 line decoder, and no specific information Inverter driver LS04, LS05, LS06, LS07, LS125, LS240, LS244, LS245 LS00 LS08 LS10 LS11 LS20 NAND gate LS21 LS27 LS30 LS38 Or gate or gate or gate and the LS02 LS32 LS51 LS64 LS65 Exclusive OR gate comparator LS86 Decoder LS138 LS139 Register LS74, LS175, LS373 Inverter: Vcc 6A 6Y 5A 5Y 4A 4Y six 74LS04 gate The top - the top - the top - viewpoint of "top - the top - the top - the top six via gate (OC gate) 74LS05 _ / 141312111098 / six gates (OC output voltage) 74LS06 Y = A), Of the 1234567, : - - - -::::::: "- 1A, 1Y, 2A, 2Y, 3A, 3Y, GND Driver: Vcc, 6A, 6Y, 5A, 5Y, 4A, 4Y The top - the top - the top chrysene - - - - the top top top top grosseserrata Of the 141312111098, Y = A (OC), the six driver output voltage) 74LS07 Of the 1234567, : - - - -::::::: "- 1A, 1Y, 2A, 2Y, 3A, 3Y, GND Vcc, -4C, 4A, 4Y, -3C, 3A, 3Y The top - the top - the top chrysene - - - - the top top top top grosseserrata _ / 141312111098 / Y =A+C), four bus three state gate 74LS125 Of the 1234567, : - - - -::::::: "- -1C, 1A, 1Y, -2C, 2A, 2Y, GND Vcc, -G, B1, B2, B3, B4, B8, B6, B8, B7 The top - the top - the top chrysene - - - - the top top top top top top top grosseserrata - - - 8 bus driver 74LS245 2019181716151413 / 1211 / DIR=1, A=>tB) 12345678 / 910 / DIR=0 B=>tA : - - - -::::::: - - - - -:: " DIR, A1, A2, A3, A4, A5, A6, A7, GND, A8 Top gate, driver and gate, or gate NAND gate, or gate XOR gate, comparator decoder register Positive logic and gate NAND gate: Vcc, 4B, 4A, 4Y, 3B, 3A, 3Y The top - the top - the top chrysene - - - - the top top top top grosseserrata Of the 141312111098, Y = AB), 2 input four positive and 74LS08 Of the 1234567, : - - - -::::::: "- 1A, 1B, 1Y, 2A, 2B, 2Y, GND Vcc, 4B, 4A, 4Y, 3B, 3A, 3Y The top - the top - the top chrysene - - - - the top top top top grosseserrata __ / 141312111098 / Y = AB), 2 INPUT NAND gate 74LS00 is four Of the 1234567, : - - - -::::::: "- 1A, 1B, 1Y, 2A, 2B, 2Y, GND Vcc, 1C, 1Y, 3C, 3B, 3A, 3Y The top - the top - the top chrysene - - - - the top top top top grosseserrata ___ / 141312111098 / Y = ABC), 3 INPUT NAND gate 74LS10 tri Of the 1234567, : - - - -::::::: "- 1A, 1B, 2A, 2B, 2C, 2Y, GND Vcc H G Y The top - the top - the top chrysene - - - - the top top top top grosseserrata Of the 141312111098, Of the 8 input NAND gate 74LS30) ?1 2 3 4 5 6 7?________ ???????????????y = ABCDEFGH 输入输出接口 页首非门，驱动器与门，与非门或门，或非门异或门，比较器译码器寄存器 正逻辑或门，或非门: VCC 4b 4a 4y 3b 3a 3y ???????????????2输入四或门74LS32 ?14 13 12 11 10 9 8? )?y = a + b ?1 2 3 4 5 6 7? ??????????????? 1y 1a 1b 2a 2b 2y GND VCC 4y 4b 4a 3y 3b 3a ???????????????2输入四或非门74LS02 ?14 13 12 11 10 9 8?___ )?y = a + b ?1 2 3 4 5 6 7? ??????????????? 1y 2y 1a 1b 2a 2b GND VCC 2y 2b 2a 2d 2e 1f ???????????????双与或非门74S51 ?14 13 12 11 10 9 8?_____ )?2y = AB +的 ?1 2 3 4 5 6 7?_______ ???????????????1y ABC DEF = + 1y 1A 1B 1C 1D 1e GND 输入输出电压 ???????????????4-2-3-2与或非门74s64 74s65(OC 门) ?14 13 12 11 10 9 8?______________ )?y = ABCD +有效+酥油+ JK ?1 2 3 4 5 6 7? ??????????????? 一个e - H i H接地 页首非门，驱动器与门，与非门或门，或非门异或门，比较器译码器 寄存器 2输入四异或门74LS86 VCC 4b 4a 4y 3y 3b 3a ??????????????? ?14 13 12 11 10 9 8? ?_ _) ?1 2 3 4 5 6 7?Y = AB + AB ??????????????? 1y 2y 1a 1b 2a 2b GND 8×2输入比较器74LS688 _ VCC Y B8 A8 A6 A7 B7 B6，B5 A5 ?????????????????????8×2输入比较器 74LS688 ?20 19 18 17 16 15 14 13 12 11? )? ?1 2 3 4 5 6 7 8 9 10? ????????????????????? A1、B1、A2、B2、B3 CE A3 A4 B4 GND _ Y = A1 A2 B1 B2 + +??A3?B3 + A4?B4 + A5?B5 + A6 A7 B7?B6+?A8?B8 页首非门，驱动器与门，与非门或门，或非门异或门，比较器译码器 寄存器 3-8译码器74LS138 VCC - Y0 Y1 Y2 Y3 -——-——————__ Y4 Y5 Y6 _ _ _ __ _ _ __ _ _ __ _ ?????????????????y0 = A B C Y1 Y2 = = B B A B C Y3 = A B C ?16 15 14 13 12 11 10 9? )?__ _ _ __ _ __ _ __ ?1 2 3 4 5 6 7 8?Y4 = A B C A B C Y6 Y5 = =，= A B C A B C ????????????????? A B C - CS0 cs1 CS2 Y7 GND 双2-4译码器74ls139 VCC -2G 2a 2b - Y0 Y1 Y2和Y3 __ -——- __ __ __ __ __ __ __ ?????????????????y0 = 2a 2b Y1 Y2 = = 2a 2b 2a 2b y3,2a 2b ?16 15 14 13 12 11 10 9? )?__ __ __ __ __ __ __ __ ?1 2 3 4 5 6 7 8?y0 = 1a 1b Y1 Y2 = = 1A 1B 1a 1b Y3 = 1A 1B ????????????????? ?- 1 1a 1b - Y0 Y1 Y2 Y3 GND -———— 8×2输入比较器74LS688 _ VCC Y B8 A8 A6 A7 B7 B6，B5 A5 ?????????????????????8×2输入比较器74LS688 ?20 19 18 17 16 15 14 13 12 11? )? ?1 2 3 4 5 6 7 8 9 10? ????????????????????? A1、B1、A2、B2、B3 CE A3 A4 B4 GND _ Y = A1 A2 B1 B2 + +??A3?B3 + A4?B4 + A5?B5 + A6 A7 B7?B6+?A8?B8 寄存器: 第二2d VCC 2cr 2ck 2q,2q ???????????????双D触发器74LS74 ?14 13 12 11 10 9 8? )? ?1 2 3 4 5 6 7? ??????????????? 1cr 1d 1ck第一1q:GND VCC 8q 8d 7d 7q 6q 6d 5d 5q麦酒 ?????????????????????位锁存器74LS373 8 ?20 19 18 17 16 15 14 13 12 11? )? ?1 2 3 4 5 6 7 8 9 10? ????????????????????? - OE 1q 1D和2D、3D、4D 2q 3q 4q GND 74系列:: 2、输入端四与非门TTL 74ls01 TTL集电极开路2输入端四与非门 2输入端四或非门74LS02 TTL 74ls03 TTL集电极开路2输入端四与非门 六反相器74LS04 TTL 74LS05 TTL集电极开路六反相器 74ls06 TTL集电极开路六反相高压驱动器 集电极开路六正相高压驱动器74LS07 TTL 2输入端四与门74LS08 TTL 74LS09 TTL集电极开路2输入端四与门 74LS10 TTL 3输入端3与非门 74ls107 TTL带清除主从双JK触发器 74ls109 TTL带预置清除正触发双JK触发器 74ls11 TTL 3输入端3与门 74LS112 TTL带预置清除负触发双JK触发器 74LS12 TTL开路输出3输入端三与非门 74ls121 TTL单稳态多谐振荡器 74LS122 TTL可再触发单稳态多谐振荡器 双可再触发单稳态多谐振荡器74ls123 TTL 74ls125 TTL三态输出高有效四总线缓冲门 74ls126 TTL三态输出低有效四总线缓冲门 74ls13 TTL 4输入端双与非施密特触发器 2输入端四与非施密特触发器74LS132 TTL 74ls133 TTL 13输入端与非门 四异或门74LS136 TTL 74LS138 TTL 3-8线译码器/复工器 74ls139 TTL双2-4线译码器/复工器 六反相施密特触发器74LS14 TTL 74LS145的TTL BCD -十进制译码/驱动器 74ls15 TTL开路输出3输入端三与门 74ls150 TTL 16选1数据选择/多路开关 74ls151 TTL 8选1数据选择器 74LS153 TTL双4选1数据选择器 4 - 16线译码器线74LS154 TTL 74LS155 TTL图腾柱输出译码器/分配器 74LS156 TTL开路输出译码器/分配器 2选1数据选择器同相输出四74LS157 TTL 74ls158 TTL反相输出四2选1数据选择器 74LS16 TTL开路输出六反相缓冲/驱动器 74LS160 TTL可预置BCD异步清除计数器 可予制四位二进制异步清除计数器74LS161 TTL 74ls162 TTL可预置BCD同步清除计数器 可予制四位二进制同步清除计数器74ls163 TTL 74LS164 TTL八位串行入/并行输出移位寄存器 八位并行入/串行输出移位寄存器74LS165 TTL 循环冗余校验的TTL八位并入/串出移位寄存器 74ls169 TTL二进制四位加/减同步计数器 74ls17 TTL开路输出六同相缓冲/驱动器 74ls170 TTL开路输出4×4寄存器堆 三态输出四位D型寄存器74LS173 TTL 74LS174 TTL带公共时钟和复位六D触发器 74LS175 TTL带公共时钟和复位四D触发器 74ls180 TTL 9位奇数/偶数发生器/校验器 算术逻辑单元/函数发生器74LS181 TTL 74ls185 TTL二进制- BCD代码转换器 74ls190 TTL BCD同步加/减计数器 74ls191 TTL二进制同步可逆计数器 可预置BCD双时钟可逆计数器74LS192 TTL 可预置四位二进制双时钟可逆计数器74LS193 TTL 四位双向通用移位寄存器74LS194 TTL 74ls195 TTL四位并行通道移位寄存器 74ls196 TTL十进制/二-十进制可预置计数锁存器 74ls197 TTL二进制可预置锁存器/计数器 74ls20 TTL 4输入端双与非门 4输入端双与门74LS21 TTL 74LS22 TTL开路输出4输入端双与非门 74ls221 TTL双/单稳态多谐振荡器 74LS240 TTL八反相三态缓冲器/线驱动器 74LS241 TTL八同相三态缓冲器/线驱动器 74ls243 TTL四同相三态总线收发器 74LS244 TTL八同相三态缓冲器/线驱动器 八同相三态总线收发器74LS245 TTL 74 ls247 TTL bcd-7段15v输出译码/驱动器 74ls248 TTL bcd-7段译码/升压输出驱动器 74ls249 TTL bcd-7段译码/开路输出驱动器 74LS251 TTL三态输出8选1数据选择器/复工器 4选74LS253 TTL三态输出双1数据选择器/复工器 74LS256 TTL双四位可寻址锁存器 74LS257 TTL three state four 2 1 source data selector / restart. 74LS258 TTL three four 2 1 states complement data selector / restart. 74LS259, TTL, eight bit addressable latch, /3-8 line decoder 74LS26 TTL 2 INPUT NAND gate four high voltage interface 74LS260 TTL dual 5 input or gate 74LS266 2 TTL four input XOR gate 74LS27 TTL 3 input or gate three 74LS273 TTL with public clock reset eight D flip-flop 74LS279 TTL four diagram, column output, S-R latch 74LS28 2 TTL four input or gate buffer 74LS283 TTL 4 bit binary full adder 74LS290 TTL two / five frequency division decimal counter 74LS293 TTL two / eight divider four bit binary counter 74LS295 TTL four bit bidirectional universal shift register 74LS298 TTL four 2 input multi band memory switch 74LS299 TTL three state output eight bit universal shift register 74LS30 TTL 8 input NAND gate 74LS32 TTL 2 input four or gate 74LS322, TTL, signed extended end eight bit shift register 74LS323 TTL three state output eight bit bidirectional shift / memory register 74LS33 TTL open circuit output 2 input four or non buffer 74LS347 TTL BCD - 7 segment decoder / driver 74LS352 TTL double 4 select 1 data selector / restart device 74LS353 TTL three state output double 4 select 1 data selector / back to work device The 74LS365 TTL gate enables the input of three state outputs to the six phase line actuator The 74LS365 TTL gate enables the input of three state outputs to the six phase line actuator The 74LS366 TTL gate enables input three state outputs and six phase gate drivers The 74LS367 TTL 4/2 line enables the input of three state six phase line drives The 74LS368 TTL 4/2 line enables input to the three state six phase gate driver 74LS37 TTL open circuit output 2 input four and non buffer 74LS373 TTL three state noninverting eight D latch 74LS374 TTL three state inverting eight D latch 74LS375 TTL 4 bit bistable latch 74LS377 TTL single ended output common enable eight D latch 74LS378 TTL single ended output common enable six D latch 74LS379 TTL bilateral output public enable four D latch 74LS38 TTL open circuit output 2 input four and non buffer 74LS380 TTL multifunction octal register 74LS39 TTL open circuit output 2 input four and non buffer 74LS390 TTL double decimal counter 74LS393 TTL double four bit binary counter 74LS40 TTL 4 input double and non buffer 74LS42 TTL BCD - decimal code converter 74LS352 TTL double 4 select 1 data selector / restart device 74LS353 TTL three state output double 4 select 1 data selector / back to work device The 74LS365 TTL gate enables the input of three state outputs to the six phase line actuator The 74LS366 TTL gate enables input three state outputs and six phase gate drivers The 74LS367 TTL 4/2 line enables the input of three state six phase line drives The 74LS368 TTL 4/2 line enables input to the three state six phase gate driver 74LS37 TTL open circuit output 2 input four and non buffer 74LS373 TTL three state noninverting eight D latch 74LS374 TTL three state inverting eight D latch 74LS375 TTL 4 bit bistable latch 74LS377 TTL single ended output common enable eight D latch 74LS378 TTL single ended output common enable six D latch 74LS379 TTL bilateral output public enable four D latch 74LS38 TTL open circuit output 2 input four and non buffer 74LS380 TTL multifunction octal register 74LS39 TTL open circuit output 2 input four and non buffer 74LS390 TTL double decimal counter 74LS393 TTL double four bit binary counter 74LS40 TTL 4 input double and non buffer 74LS42 TTL BCD - decimal code converter 74LS447 TTL BCD - 7 segment decoder / driver 74LS45 TTL BCD - decimal code conversion / drive 74LS450 TTL 16:1 multiplexer multiplexer multiplexer 74LS451 TTL dual 8:1 multiplexer multiplexer multiplexer 74LS453 TTL four 4:1 multiplexer multiplexer multiplexer 74LS46 TTL BCD - 7 low efficient decoding / drive 74LS460 TTL ten bit comparator 74LS461 TTL octal counter 74LS465 TTL three state noninverting 2 and enable terminal eight bus buffer 74LS466, TTL, three state inverting 2 with enable eight bus buffer 74LS467 TTL three state noninverting 2 enable terminal eight bus buffer 74LS468 TTL three state inverting 2 enable terminal eight bus buffer 74LS469 TTL eight bit bidirectional counter 74LS47, TTL, BCD - 7 segment high efficient decoding / drive 74LS48 TTL BCD - 7 segment decoder / internal pull-up output driver 74LS490 TTL double decimal counter 74LS491 TTL ten bit counter 74LS498 TTL octal shift register 74LS50 TTL 2-3/2-2 double input and or not 74LS502 TTL eight bit successive approximation register 74LS503 TTL eight bit successive approximation register 74LS51 TTL 2-3/2-2 double input and or not 74LS533 TTL three state inverting eight D latch 74LS534 TTL three state inverting eight D latch 74LS54 TTL four input and or not 74LS540, TTL, eight bit, three state inverting output bus buffer 74LS55 TTL 4 input two input and or not 74LS563, TTL eight bit, three state inverting output flip-flop 74LS564, TTL, eight bit, three state inverting output, D flip-flop 74LS573, TTL, eight bit, three state output flip-flop 74LS574, TTL, eight bit, three state output, D flip-flop 74LS645 TTL three state output eight noninverting bus transfer receiver 74LS670 TTL three state output 4 * 4 register stack 74LS73 TTL band cleared negative trigger double J-K flip-flop 74LS74 TTL set with reset, positive trigger, double D flip-flop 74LS76 TTL band preset clear dual J-K flip-flop 74LS83 TTL four bit binary fast carry full adder 74LS85 TTL four bit digital comparator 74LS86 TTL 2 input four exclusive OR gate 74LS90 TTL can be two / five frequency division decimal counter 74LS93 TTL can be two / eight divider binary counter 74LS95 TTL four bit parallel input / output shift register 74LS97 TTL 6 bit synchronous binary multiplier CD series:: CD4000 dual 3 input or gate + single non gate TI Four CD4001 2 input or gate HIT/NSC/TI/GOL CD4002 Dual 4 input or gate NSC CD4006 18 bit serial / out shift register NSC CD4007 double complementary pair inverter NSC CD4008 4 bit carry full adder NSC CD4009 six Inverting Buffer / converter NSC CD4010 six noninverting buffer / converter NSC CD4011 four HIT/TI 2 INPUT NAND gate CD4012 Dual 4 INPUT NAND gate NSC CD4013 dual master - FSC/NSC/TOS from D flip flop CD4014 8 bit serial / incorporated - out shift register NSC CD4015 double 4 bit serial / out shift register TI CD4016 four transmission gate FSC/TI CD4017 decimal count / allocator FSC/TI/MOT CD4018 can preset 1/N counter NSC/MOT CD4019 four and / or selector PHI CD4020 14 level serial binary count / divider FSC CD4021 08 bit serial / incorporated - out shift register PHI/NSC CD4022 octal count / allocator NSC/MOT CD4023 three NSC/MOT/TI 3 INPUT NAND gate CD4024 7 level binary serial count / divider NSC/MOT/TI Three CD4025 3 input or gate NSC/MOT/TI CD4026 decimal count /7 segment decoder NSC/MOT/TI CD4027 double J-K flip-flop NSC/MOT/TI CD4028 BCD code decimal decoder NSC/MOT/TI CD4029 preset reversible counter NSC/MOT/TI CD4030 four exclusive OR gate NSC/MOT/TI/GOL CD4031 64 bit serial / out shift memory NSC/MOT/TI CD4032 three serial adder NSC/TI CD4033 decimal count /7 segment decoder NSC/TI CD4034 8 Bit Universal Bus Register NSC/MOT/TI CD4035 4 bit merge / string in - out / out shift register NSC/MOT/TI CD4038 three serial adder NSC/TI CD4040 12 level binary serial count / divider NSC/MOT/TI CD4041 four noninverting / inverting buffer NSC/MOT/TI CD4042 four latch type D flip-flop NSC/MOT/TI CD4043 4, three state R-S latch flip-flop ("T1", "t" trigger) NSC/MOT/TI CD4044 43 state R-S latch flip-flop ("t0" t trigger) NSC/MOT/TI CD4046 PLL NSC/MOT/TI/PHI CD4047 unstable state / monostable multivibrator NSC/MOT/TI CD4048 4 input expandable multi-function gate NSC/HIT/TI CD4049 six Inverting Buffer / converter NSC/HIT/TI CD4050 six noninverting buffer / converter NSC/MOT/TI CD4051 eight select an analog switch NSC/MOT/TI CD4052 double 4 select 1 Analog Switch NSC/MOT/TI CD4053 three group two way analog switch NSC/MOT/TI CD4054 LCD driver NSC/HIT/TI CD4055 BCD-7 segment decoder / LCD driver NSC/HIT/TI CD4056 LCD driver NSC/HIT/TI CD4059 "N" frequency division counter NSC/TI CD4060 14 level binary serial count / divider NSC/TI/MOT CD4063 four bit digital comparator NSC/HIT/TI CD4066 four transmission gate NSC/TI/MOT CD4067 16 1 Analog Switch NSC/TI CD4068 eight input NAND gate / gate NSC/HIT/TI CD4069 six inverter NSC/HIT/TI CD4070 four exclusive OR gate NSC/HIT/TI CD4071 four 2 input or gate NSC/TI CD4072 Dual 4 input or gate NSC/TI CD4073 three, 3 input and gate NSC/TI CD4075 three 3 input or gate NSC/TI CD4076 four D register CD4077 four 2 input XOR gate HIT CD4078 8 input or gate / gate CD4081 four, 2 input and gate NSC/HIT/TI CD4082 Dual 4 input and gate NSC/HIT/TI CD4085 Dual 2 input or gate and road 2 CD4086 four can be expanded with 2 input or gate CD4089 binary proportional multiplier CD4093 four, 2 inputs, Schmidt flip flops, NSC/MOT/ST CD4094 8 bit shift storage bus register NSC/TI/PHI CD4095 3 input J-K flip-flop CD4096 3 input J-K flip-flop CD4097 double eight analog switch CD4098 double monostable multivibrator NSC/MOT/TI CD4099 8 bit addressable latch NSC/MOT/ST CD40100 32 bit left / right shift register CD40101 9 bit parity check device CD40102 8 bit preset synchronous BCD subtraction counter CD40103 8 bit preset synchronous binary subtraction counter CD40104 4 bit bidirectional shift register CD40105 first in first out FI-FD register CD40106 six Schmidt trigger NSC\TI CD40107 Dual 2 input with non buffer / drive HAR\TI CD40108 4 bit x 4 bit multichannel register CD40109 four low - high level shifter CD40110 decimal add / subtract, count, latch, decode drive ST CD40147 10-4 line encoder NSC\MOT CD40160 preset BCD plus counter NSC\MOT CD40161 can preset 4 bit binary plus counter NSC\MOT CD40162 BCD addition counter NSC\MOT CD40163 4 bit binary synchronous counter NSC\MOT CD40174 six latch type D flip-flop NSC\TI\MOT CD40175 four D type trigger NSC\TI\MOT CD40181 4 bit arithmetic logic unit / function generator CD40182 advanced bit generator CD40192 preset BCD plus / minus counter (double clock) NSC\TI CD40193 can preset 4 bit binary plus / minus counter NSC\TI CD40194 4 bit merge / string in - out / out shift register NSC\MOT CD40195 4 bit merge / string in - out / out shift register NSC\MOT CD40208 4 * more than 4 port register Device name label note CD4501 Dual 4 INPUT NAND gate and 2 input or gate CD4502 optional, three state output, six inverting / buffer CD4503 six phase three state buffer CD4504 six voltage converter The two group of 2 CD4506 double input can be extended or not CD4508 Dual 4 bit latched D flip flop CD4510 preset BCD code plus / minus counter CD4511 BCD latch, 7 segment decoding, drive CD4512 eight way data selector CD4513 BCD latch, 7 segment decoding, drive (blanking) CD4514 4 bit latch, 4 wire -16 line decoder CD4515 4 bit latch, 4 wire -16 line decoder CD4516 can preset 4 bit binary plus / minus counter CD4517 dual 64 bit static shift register CD4518 double BCD synchronous addition counter CD4519 four bit or or selector CD4520 double 4 bit binary synchronous addition counter CD4521 24 stage divider CD4522 preset BCD synchronous 1/N counter CD4526 can preset 4 bit binary synchronous 1/N counter CD4527 BCD proportional multiplier CD4528 dual monostable flip flop CD4529 double four way / single eight way analog switch CD4530 dual 5 input side logic gates CD4531 12 bit parity check device CD4532 8 bit first bit encoder CD4536 programmable timer CD4538 precision double monostable CD4539 dual four way data selector CD4541 programmable oscillation / timer CD4543 BCD seven segment latch decoder driver CD4544 BCD seven segment latch decoder driver CD4547 BCD seven segment decoding / high current drive CD4549 function approximation register CD4551 four 2 channel analog switch CD4553 three bit BCD counter CD4555 double binary four select a decoder / separator CD4556 double binary four select a decoder / separator CD4558 BCD eight segment decoder CD4560 "tN" tBCD adder CD4561 "T9" t compensator CD4573 four programmable operational amplifier CD4574 four programmable voltage comparator CD4575 dual programmable operational amplifier / comparator CD4583 double Schmidt flip-flop CD4584 six Schmidt flip-flop CD4585 4 bit digital comparator CD4599 8 bit addressable latch