74xx Logic Series

IC Functions by Number

No Description No Description
00 Quad 2-Input NAND Gate 01 Quad 2-Input NAND Gate (OC)
02 Quad 2-Input Positive NOR Gate 03 Quad 2-Input Positive NAND Gate
04 Hex Inverter 05 Hex Inverter (OC)
06 Hex Inverter Buffer/Driver (OC) 07 30V,40mA Hex Buffer Driver (OC)
08 Quad 2-Input AND Gate 09 Quad 2-Input Positive AND Gate (OC)
10 Triple 3-Input Positive NAND Gate 11 Triple 3-Input Positive AND Gate
14 Hex Inverting Schmitt Trigger 16 Hex Inverter Buffer/Driver (OC)
17 15V,40mA Hex Buffer Driver (OC) 20 Dual 4-Input Positive NAND Gate
21 Dual 4-Input Positive AND Gate 25 Dual 4-Input Positive NOR Gate
26 Quad 2-Input NAND Gate (OC) 27 Triple 3-Input NOR Gate
28 Quad 2-Input NOR Buffer 30 8-Input Positive NAND Gate
31 Delay Element 32 Quad 2-Input Positive OR Gate
33 Quad 2-Input NOR Buffer (OC) 37 Quad 2-Input Positive NAND Buffer
38 Quad 2-Input NAND Buffer (OC) 42 BCD To Decimal Decoder (1-of-10)
45 BCD To Decimal Decoder/Driver (OC) 46 BCD To 7 Segment Decoder/Driver (30V)
47 BCD To 7 Segment Decoder/Driver (15V) 48 BCD To 7 Segment Decoder/Driver
57 Dual 2 Wide 2-Input AND-OR Invert Gate 58 Dual AND-OR Gate
73 Dual JK Flip-Flop with Reset; Negative-Edge Trigger 74 Dual D-Type Flip-Flop with Set and Reset; Positive-Edge Trigger
75 Quad Bistable Transparent Latch 76 Dual JK Master Slave Flip-Flop
77 4-Bit Bistable Latch 83 4-Bit Binary Full Adder
85 4-Bit Magnitude Comparator 86 Quad 2-Input EXCLUSIVE-OR Gate
90 Decade Counter 93 4-Bit Binary Ripple Counter
97 6-Bit Asynchronous Binary Rate Multiplier 107 Dual JK Flip-Flop with Reset; Negative-Edge Trigger
109 Dual JK Flip-Flop with Set and Reset; Positive-Edge Trigger 112 Dual JK Flip-Flop with Set and Reset; Negative-Edge Trigger
121 One Short Multivibrator 122 Retriggerable Monostable Multivibrator
123 Dual Retriggerable Monostable Multivibrator with Reset 124 Dual Voltage Controlled Oscillator
125 Quad Buffer/Line Driver (3-State) 126 Quad Buffer/Line Driver (3-State)
128 Quad 2-Input NOR Line Driver 132 Quad 2-Input NAND Schmitt Trigger
133 13-Input NAND Gate 136 Quad Exclusive OR Gate (OC)
137 3-to-8 Line Decoder/Demultiplexer with Address Latches; Inv 138 3-to-8 Line Decoder/Demultiplexer; Inverting
139 Dual 2-to-4 Line Decoder/Demultiplexer 140 Dual 4-Input NAND Line Driver
145 BCD To Decimal Decoder/Driver (OC) 147 10-to-4 Line Priority Encoder
148 8-to-3 Priority Encoder 150 16-Input Multiplexer
151 8-Input Multiplexer 153 Dual 4-Input Multiplexer
154 4-to-16 Line Decoder/Demultiplexer 155 Dual 2-to-4 Demultiplexer
156 Dual 2-to-4 Demultiplexer (OC) 157 Quad 2-Input Multiplexer
158 Quad 2-Input Multiplexer; Inverting 159 4-to-16 Line Decoder
160 Presettable Synchronous BCD Decade Counter; Reset 161 Presettable Synchronous 4-Bit Binary Counter; Reset
163 Presettable Synchronous 4-Bit Binary Counter; Reset 164 8-Bit Serial-In/Parallel-Out Shift Register
165 8-Bit Parallel-In/Serial-Out Shift Register 166 8-Bit Parallel-In/Serial-Out Shift Register
169 Synchronous 4-Bit Binary Up/Down Counter 173 Quad D-Type Flip-Flop; Positive-Edge Trigger (3-State)
174 Hex D-Type Flip-Flop with Reset; Positive-Edge Trigger 175 Quad D-Type Flip-Flop with Reset; Positive-Edge Trigger
189 64-Bit Bipolar Scratch Pad Memory 190 Synchronous Decade Up/Down Counter
191 Presettable Synchronous 4-Bit Binary Up/Down Counter 193 Presettable Synchronous 4-Bit Binary Up/Down Counter
194 4-Bit Bidirectional Universal Shift Register 195 4-Bit Parallel Access Shift Register
221 Dual Non-Retriggerable Monostable Multivibrator with Reset 237 3-to-8 Line Decoder/Demultiplexer with Address Latches
238 3-to-8 Line Decoder/Demultiplexer 240 Octal Buffer/Line Driver; Inverting (3-State)
241 Octal Buffer/Line Driver (3-State) 243 Quad Bus Transceiver (3-State)
244 Octal Buffer/Line Driver (3-State) 245 Octal Bus Transceiver (3-State)
251 8-Input Multiplexer (3-State) 253 Dual 4-Input Multiplexer (3-State)
257 Quad 2-Input Multiplexer (3-State) 258 Quad 2-Input Multiplexer; Inverting (3-State)
259 8-Bit Addressable Latch 260 Dual 5-Bit Input NOR Gate
269 8-Bit Up/Down Counter 273 Octal D-Type Flip-Flop with Reset; Positive-Edge Trigger
279 Quad R-S Latch 280 9-Bit Odd/Even Parity Generator/Checker
283 4-Bit Binary Full Adder with Fast Carry 294 16-Bit Programmable Frequency Divider
297 Digital Phase Locked Loop 299 8-Bit Universal Shift Register (3-State)
321 Crystal Oscillator 365 Hex Buffer/Line Driver (3-State)
366 Hex Buffer/Line Driver; Inverting (3-State) 367 Hex Buffer/Line Driver (3-State)
368 Hex Buffer/Line Driver; Inverting (3-State) 373 Octal D-Type Transparent Latch (3-State)
374 Octal D-Type Flip-Flop; Positive Edge-Trigger (3-State) 375 Quad Latch

377 Octal D-Type Flip-Flop with Data Enable; Positive-Edge Trigger 378 Hex D-Type Flip-Flop with Enable

390 Dual Decade Ripple Counter 393 Dual 4-Bit Binary Ripple Counter

399 Quad 2-Input Multiplexer 423 Dual Retriggerable Monostable Multivibrator with Reset

465 Octal Buffer Tri-State Output 521 Octal Comparator

534 Octal D-Type Flip-Flop; Positive Edge-Trigger; Inverting (3-State) 540 Octal Buffer/Line Driver; Inverting (3-State)

541 Octal Buffer/Line Driver (3-State) 543 Octal Registered Transceiver

563 Octal D-Type Transparent Latch; Inverting (3-State) 564 Octal D-Type Flip-Flop; Positive-Edge Trigger; Inverting (3-State)

569 Synchronous Didirectional Binary Counter 573 Octal D-Type Transparent Latch (3-State)

574 Octal D-Type Flip-Flop; Positive Edge-Trigger (3-State) 579 8-Bit Up/Down Counter

580 Inverting Octal D-Type Latch 589 8-Bit Shift Register with Input Latch

592 8-Bit Binary Counter with Input Register 593 8-Bit Binary Counter O/P Register TS I/O

594 8-Bit Shift Register with Output Register 595 8-Bit Ser-In/Ser Or Par-Out Shift Register with Out Latches (3-State)

597 8-Bit Shift Register with Input Flip-Flops 604 16 to 8 Multiplexer (High Speed)

624 Voltage Controlled Oscillator 628 Voltage Controlled Oscillator

629 Voltage Controlled Oscillator 640 Octal Bus Transceiver; Inverting (3-State)

641 Octal Bus Transceiver 645 Octal Bus Transceiver

646 Octal Bus Transceiver/Register (3-State) 652 Octal Bus Transceiver/Register (3-State)

670 4 x 4 Register File (3-State) 674 16-Bit Shift Register 16-Bit Parallel Output

682 8-Bit Magnitude Comparator 684 8-Bit Magnitude Comparator

688 8-Bit Magnitude Comparator 821 10-Bit D-Type Flip-Flop

825 8-Bit D-Type Flip-Flop 827 8-Bit Buffer/Line Driver

841 10-Bit Transparent Latch 843 9-Bit Transparent Latch

902 Hex Buffer (TTL Interface) 906 Open Drain Buffer (Active Pull Down)

908 Dual High Voltage CMOS Driver 912 Display Controller 6 Digit 8 Segment

914 Hex Schmitt Trigger External Voltage Inputs 922 16 Key Keyboard Encoder

923 20 Key Keyboard Encoder 925 4 Digit Counter Multiplexed 7 Segment Drive

2244 Octal Tri-State Buffer with Resistor 2245 Octal Tri-State Transceiver with Resistor

3245 Octal Tri-State Translating Transceiver 3257 Quad 2:1 Mux/Demux Bus Switch

3383 Octal Bus Exchange Switch 3384 10-Bit Bus Switch

4002 Dual 4-Input NOR Gate 4015 Dual 4-Bit Serial-In/Parallel-Out Shift Register

4016 Quad Bilateral Switches 4017 Johnson Decade Counter with 10 Decoded Outputs

4020 14-Stage Binary Ripple Counter 4024 7-Stage Binary Ripple Counter

4040 12-Stage Binary Ripple Counter 4046 Phase Locked Loop

4049 Hex Inverting High-to-Low Level Shifter 4050 Hex High-to-Low Level Shifter

4051 8-Channel Analog Multiplexer/Demultiplexer 4052 Dual 4-Channel Analog Multiplexer/Demultiplexer

4053 Triple 2-Channel Analog Multiplexer/Demultiplexer 4059 Programmable Divide-By-N Counter

4060 14-Stage Binary Ripple Counter with Oscillator 4066 Quad Bilateral Switches

4067 16-Channel Analog Multiplexer/Demultiplexer 4075 Triple 3-Input OR Gate

4078 8-Input NOR/OR Gate 4094 8-Stage Shift-and-Store Bus Register

4245 Octal Tri-State Translating Transceiver 4316 Quad Bilateral Switches

4351 8-Channel Analog Multiplexer/Demultiplexer with Latch 4353 Triple 2-Channel Analog Multiplexer/Demultiplexer with Latch

4511 BCD To 7-Segment Latch/Decoder/Driver 4514 4-to-16 Line Decoder/Demultiplexer with Input Latches

4515 4-to-16 Line Decoder/Demultiplexer with Input Latches; Inverting 4518 Dual Synchronous Up Counter

4520 Dual 4-Bit Synchronous Binary Counter 4538 Dual Retriggerable Precision Monostable Multivibrator

5555 Programmable Delay Timer with Oscillator 6323 Programmable Ripple Counter with Oscillator (3-State)

7014 Hex Non-Inverting Precision Schmitt-Trigger 7030 9-Bit x 64-Word FIFO Register (3-State)

7046 Phase-Locked-Loop with Lock Detector 7266 Quad 2-Input EXCLUSIVE-NOR Gate

7403 4-Bit x 64-Word FIFO Register (3-State) 7540 Octal Schmitt Trigger Buffer/Line Driver; Inverting (3-State)

7541 Octal Schmitt Trigger Buffer/Line Driver (3-State) 7731 Quad 64-Bit Static Shift Register

9114 Nine Wide Schmitt Trigger Buffer; Open Drain Outputs; Inverting 9115 Nine Wide Schmitt Trigger Buffer; Open Drain Outputs

9323 Programmable Ripple Counter with Oscillator (3-State) 22106 8x8 Crosspoint Switch

40103 8-Bit Synchronous Binary Down Counter 40105 4-Bit x 16-Word FIFO Register

TTL Families
Family Description Family Description
74 True TTL 74L Low power
74S Schottky 74H High speed
74LS Low power - Schottky 74AS Advanced - Schottky
74ALS Advanced - Low power - Schottky 74F(AST) Fast - (Advanced - Schottky)
74C CMOS...................check Vcc levels 74HC (U) High speed - CMOS (Unbuffered output)
74HCT High speed - CMOS - TTL inputs 74AHC Advanced - High speed - CMOS
74AHCT Advanced - High speed - CMOS - TTL inputs 74FCT (-A,-T,-AT) Fast - CMOS - TTL inputs (speed variations)
74AC Advanced - CMOS 74ACT Advanced - CMOS - TTL inputs
74FACT AC, ACT (Q) series 74ACQ Advanced - CMOS - Quiet outputs
74ACTQ Advanced - CMOS - TTL inputs - Quiet outputs

Bus Driver Families

Family Description Family Description
74ABT Advanced - BiCMOS - Technology 74ABTE ABT - Enhanced Transceiver Logic
74ABTH Advanced - BiCMOS - Technology - bus Hold 74BCT BiCMOS - TTL inputs
74BTL Backplane - Transceiver - Logic (BiCMOS) 74FB Futurebus+
74GTL Gunning - Transceiver - Logic 74GTLP GTL - Plus

Low Voltage Families

Family Description Family Description
74ALB Advanced - Low Voltage - BiCMOS 74LV (U) Low - Voltage (Unbuffered output) (CMOS)
74LVC (R) (U) LV - CMOS (damping Resistor)(Unbuffered output) 74LVCH Low - Voltage - CMOS - bus Hold
74ALVC Advanced - Low - Voltage - CMOS 74LVT (R) (U) LV - TTL (damping Resistor)(Unbuffered output) (BiCMOS)
74LVTZ Low - Voltage - TTL - High Impedance power-up 74ALVC (R) ALV CMOS (bus Hold) (damping Resistor)
74ALVCH Advanced - Low - Voltage - CMOS - bus Hold 74LCX LV - CMOS (operates with 3v and 5v supplies)
74VCX LV - CMOS (operates with 1.8v and 3.6v supplies

Standard Logic Competitive Position

Technology Type TI On Semi Fairchild Philips Toshiba IDT Pericom Hitachi
LS/S/TTL 164 81 176 124
Bipolar ALS/AS/F 189 268 217
ECL 336 42
CD4000 89 81 51 90 30 88
HC/HCT 200 68 77 275 140 191
AC/ACT/FACT189 88 189 83 73
AHC/VHC 42 53 57 55 63
LV 43 27 24 47 24 48
CMOS
FCT 97 123 147
LVC/LCX 82 27 53 78 70 127 25 49
ALVC/VCX 106 16 48 34 42 111 50 56
AVC 20 13
Bus Switch 67 39 26 115 108 5
BCT 26 17
ABT 90 33 106
BICMOS
LVT 64 49 49
ALVT 13 35 6