Classification of IC ChipsLogic Families
Numbering of componentsIC Series Designations
Pinout diagrams
Index

Electronics concepts

Digital Circuits
 
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IC Logic Circuits

IC 7400 NAND
IC 7420 4-input NAND Gates
IC 7432 OR Gates
IC 7402 NOR
IC 7486 XOR
...
IC 7404 Hex Inverter
IC 7408 Quad AND gate
...
Integrated Circuit Components
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Classification of IC Chips

Classification of integrated circuit components may be by:

Number of gates
Logic family


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IC Classification by Complexity

Classification of ICs from Tocci, Digital Systems.

Complexity
Number of Gates
Small-scale integration (SSI)
Fewer than 12
Medium-scale integration (MSI)
12 to 99
Large-scale integration (LSI)
100 to 9999
Very large-scale integration (VLSI)
10,000 to 99,999
Ultra large-scale integration (ULSI)
100,000 or more


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IC Series Designations

Prefixes for integrated circuits.

.
TTL Series
Prefix
CMOS Series
Prefix
Standard TTL
74
Metal-gate CMOS
40 or 140
High-Speed TTL
74H
Metal-gate CMOS
40 or 140
Low-Power TTL
74L
Metal-gate, pin-compatible with TTL
74C
Schottky TTL
74S
Silicon-gate , pin-compatibel with TTL, high-speed
74HC
Low-power Schottky TTL
74LS
Si gate, high-speed, elect compatible with TTL
74HCT
Advanced Schottky TTL
74AS
...
...
Advanced low-power Schottky TTL
74ALS
...
...


Integrated Circuit Components
Index

Electronics concepts

Digital Circuits
 
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