| Part number | 74LS20 |
|---|---|
| Datasheet | 74LS20_FairchildSemiconductor.pdf |
| File Size | 45.78 KB |
| Manufacturer | Fairchild (now onsemi) |
| Description | Dual 4-Input NAND Gate |
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This device contains two independent gates each of which performs the logic NAND function. Specify by appending the suffix letter “X” to the ordering code. Connection Diagram Function Table Y = ABCD Inputs A X X X L H B X X L X H C X L X X H D L X X X H Output Y H H H H L H = HIGH Logic Level L = LOW Logic Level X = Either LOW or HIGH Logic Level © 2000 Fairchild Semiconductor Corporation DS006355 .fairchildsemi.
| Brand Logo | Part Number | Description | Other Manufacturers |
|---|---|---|---|
 |
74LS20 | Dual 4-input Positive NAND Gates | Hitachi Semiconductor |
 |
74LS20 | Dual 4-Input NAND Gates | National Semiconductor |
 |
74LS20 | DUAL 4-INPUT NAND GATE | Motorola |
See all Fairchild (now onsemi) datasheets
| Part Number | Description |
|---|---|
| 74LS221 | Dual Non-Retriggerable One-Shot |
| 74LS240 | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| 74LS241 | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| 74LS243 | Quadruple Bus Transceiver |
| 74LS244 | Octal 3-STATE Buffer/Line Driver/Line Receiver |
| 74LS245 | 3-STATE Octal Bus Transceiver |
| 74LS251 | 3-STATE 1-of-8 Line Data Selector/Multiplexer |
| 74LS253 | 3-STATE Data Selector/Multiplexer |
| 74LS257 | 3-STATE Quad 2-Data Selectors/Multiplexers |
| 74LS257B | 3-STATE Quad 2-Data Selectors/Multiplexers |
