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74LS42 |
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| Part Number | 74LS42 |
| Manufacturer | ON Semiconductor (https://www.onsemi.com/) |
| Description | The LS42 decoder accepts four active HIGH BCD inputs and provides ten mutually exclusive active LOW outputs, as shown by logic symbol or diagram. The active LOW outputs facilitate addressing other MSI... |
| Features |
4LS42
CONNECTION DIAGRAM DIP (TOP VIEW)
VCC 16 A0 15 A1 14 A2 13 A3 12 9 11 8 10 7 9 NOTE: The Flatpak version has the same pinouts (Connection Diagram) as the Dual In-Line Package. 1 0 2 1 3 2 4 3 5 4 6 5 7 6 8 GND
LOADING (Note a) PIN NAMES A0 – A3 0 to 9 Address Inputs Outputs, Active LOW HIGH 0.5 U.L. 10 U.L. LOW 0.25 U.L. 5 U.L. NOTES: a) 1 TTL Unit Load (U.L.) = 40 mA HIGH/1.6 mA LOW. LOGIC SYMBOL 15 14 13 12 A0 A1 A2 A3 0 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 9 10 11 VCC = PIN 16 GND = PIN 8 LOGIC DIAGRAM A0 15 A1 14 A2 13 A3 12 1 2 3 4 5 6 7 9 10 11 0 1 2 3 4 5 ... |
| Document |
 74LS42 Data Sheet
PDF 107.61KB |
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