| No | Part number | Description ( Function ) | Manufacturers | |
| 2 | 54AC20 | Dual 4-Input NAND Gate 54AC20 Dual 4-Input NAND Gate July 1998 54AC20 Dual 4-Input NAND Gate General Description The ’AC20 contains four 4-input NAND gates. n Outputs source/sink 24 mA n Standard Military Drawing (SMD) n ’AC20: 5962-87613 Features n ICC reduced by 50% Logic Symbol IEEE/IEC DS100264-1 Pin Names An, Bn, Cn, Dn On Inputs Description Outputs Connection Di |
 National Semiconductor |
|
| 1 | 54AC20 | 54AC20 Dual 4-Input NAND Gate |
 Texas Instruments |
|
[1]
List of most widely used semiconductors
| Part Number | Function | Manufacturers | |
| 1N4007 | The 1N4007 is a rectification diode that is designed for high-voltage applications, typically up to 1000V. It has a maximum current rating of 1A and a forward voltage drop of around 0.7V. |
 Vishay |
|
| LM317 | This is a popular adjustable voltage regulator. |
 ON Semiconductor |
|
6N137 | LM393 | 2N3906 | 2N2222 | TIP120 | 1N5818 | LM324N | A1015 | SMAJ20CA |
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