74 Series

Vintage 74 TTL Series, now superseded by the 74LS and 74HC familiers, offering lower power and faster speeds, Goto 7400 TTL Series

 74 Series Cross-Reference Guide

74AC Series featuring Advanced, High Speed, Low Power CMOS Logic Gates, Goto 74AC Series

Limited Stocks available with some of the Standard Types including,

• 74AC02 Quad 2-input NOR Gate
• 74AC08 Quad 2-input AND Gate
• 74AC32 Quad 2-input OR Gate

74ALS Series featuring Advanced, Low-Power Schottky TTL Gates. Limited Stocks only, not recommended for new designs. Goto 74ALS Series

Reduced Range with some of the Standard Types still available,

• 74ALS00 Quad 2-input NAND Gate
• 74ALS74 Dual D-Type Flip-Flop
• 74ALS645 Octal Bus Transceiver

Standard 74LS Series featuring Low Power, Schottky TTL Logic Gate Chips. Currently the most popular family and recommended for new designs, Goto 74LS Series

Huge Range with the most popular types available at special prices,

• 74LS00 Quad 2-input NAND Gate
• 74LS04 Hex Inverter
• 74LS74 Dual D-Type Flip-Flop

 74LS Series Cross-Reference Guide

Standard 74LS Series in SMD Packages, featuring Low Power, Schottky TTL Logic Gate Chips. Goto 74LS SMD Series

74LSxx SMD Types supplied in standard SOIC packages,

• 74LS04SMD - 74LS04 Hex Inverter
• 74LS08SMD - 74LS08 Quad 2-input AND Gate
• 74LS32SMD - 74LS32 Quad 2-input OR Gate

 74LS SMD Series Cross-Reference Guide

Low-Voltage 74LVC Series in SMD Packages, suitable for 3.3V Microcontroller Interfacing and Low-Voltage Circuits, Goto 74LVC Series

Extensive 74HC Series of Low Power, High Speed, CMOS Logic Gate Chips, suitable for a wide range of applications and recommended for new designs, Goto 74HC Series

Huge Range with most of the Standard Types including,

• 74HC00 Quad 2-input NAND Gate
• 74HC02 Quad 2-input NOR Gate
• 74HC4067 16-Channel Analog Multiplexer

 74HC Series Cross-Reference Guide

Extensive 74HC SMD Series of Low Power, High Speed, CMOS Logic Gate Chips, suitable for a wide range of applications and recommended for new designs, Goto 74HC SMD Series

Large Range with econmically priced parts including,

• 74HC04SMD - 74HC04 Hex Inverter
• 74HC32SMD - 74HC32 Quad 2-input OR Gate
• 74HC74SMD - 74HC74 Dual D Flip-Flop

 74HC SMD Series Cross-Reference Guide

High Speed, CMOS 74HCT Series of TTL Compatible Logic Gate Chips. Ideal for general applications and easy to interface to TTL chips. Goto 74HCT Series

All of the Popular Types at Reduced Prices including,

• 74HCT00 Quad 2-input NAND Gate
• 74HCT245 Octal Bus Transceiver Tri-State
• 74HCT4050 Hex High-to-Low Level Shifter

 74HCT Series Cross-Reference Guide

Limited Stocks of 74F Series of Very High Speed, TTL Logic Gate Chips. Not recommended for new designs, Goto 74F Series