50.Features of each 74 series

Family name Industrial common series name Main features

TTL

Original

74

Original product

LS

Low power Schotky

74LS

Low power consumption

ALS

Advanced Low Power Schotky

74ALS

High speed and low power consumption

AS

Advanced Schotky

74AS

High speed

CMOS

Original

4000B

Original product

HC/HCT

High-Speed CMOS

74HC/HCT

High speed and TTL output

AHC/AHCT(VHC/VHCT)

Advanced High-Speed CMOS

74AHC/AHCT(74VHC/VHCT)

High-speed and low power consumption compared to HC/HCT.

AUP

Advanced Ultra-Low-Power CMOS

74AUP

Low power consumption compared to AHC.

AVC

Advanced Very Low-Voltage CMOS

74AVC

High-speed compared to AHC.

LV(LVX)

Low Voltage CMOS

74LV

Original product of low voltage

LVC(LCX)

Low Voltage CMOS

74LVC(74LCX)

High-speed compared with LV.

ALVC(VCX)

Advanced LVC

74ALVC(74VCX)

High-speed compared to LVC.

AUC

Advanced Ultra-Low-Voltage CMOS

74AUC

Low-voltage operation compared to LVC.

CBT

Crossbar Technology

74CBT

Adopt the Crossbar technology

BiCMOS

ABT

Advanced BiCMOS

74ABT

Original product of of BiCMOS logic

LVT

Low Voltage with TTL Logic Level

74LVT

Low-voltage operation compared to ABT.

ALVT

Advanced LVT

74ALVT

Low-voltage operation compared to LVT.

BCT

BiCMOS Bus-Interface Technology

74BCT

Loaded with bus interface circuit