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TTL Series74 – Standard TTL 74S – Schottky TTL 74AS – Advanced Schottky TTL 74LS – Low-Power Schottky TTL 74ALS – Advanced Low-Power Schottky TTL 74F – Fast TTL CMOS Series 74HC and 74HC

TTL Series

74 – Standard TTL

74S – Schottky TTL

74AS – Advanced Schottky TTL

74LS – Low-Power Schottky TTL

74ALS – Advanced Low-Power Schottky TTL

74F – Fast TTL

CMOS Series

74HC and 74HCT – High-Speed CMOS (TTL

Compatibility)

74AC and 74ACT – Advanced CMOS

74AHC and 74AHCT – Advanced High-Speed COMS

3.3V CMOS series

74LV – Low-Voltage CMOS

74LVC – Low-Voltage CMOS

74ALVC – Advanced Low-Voltage CMOS

Both CMOS and TTL series

74BCT – Bi-CMOS

74ABT – Advanced Bi-CMOS

74LVT – Low-Voltage Bi-CMOS

74ALB – Advanced Low-Voltage Bi-COMS

 Types of IC Logic Gates (Appendix A p.p.838)

• Quad 2-input NAND - xx00

• Quad 2-input NOR - xx02

• Hex Inverter - xx04

• Quad 2-input AND - xx08

• Triple 3-input NAND - xx10

• Triple 3-input AND - xx11

• Dual 4-input NAND - xx20

• Dual 4-input AND - xx21

• Triple 3-input NOR - xx27

• Single 8-input NAND - xx30

• Quad 2-input OR - xx32

• Quad 2-input NOR - xx86

• Single 13-input NAND - xx133

Figure 3 49 Typical dual in-line (DIP) and small-outline (SOIC)

packages showing pin numbers and basic dimensions

Figure 3 50 Pin configuration diagrams for some common

fixed-function IC gate configurations