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74LCX74TTR Arkusz danych(PDF) 4 Page - STMicroelectronics |
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74LCX74TTR Arkusz danych(HTML) 4 Page - STMicroelectronics |
4 / 17 page Pin settings 74LCX74 4/17 2 Pin settings 2.1 Pin connection Figure 4. Pin connection (top through view) 2.2 Pin description 2.3 Truth table Table 1. Pin description Pin N° Symbol Name and function 1, 13 1CLR, 2CLR Asynchronous reset - direct input 2, 12 1D, 2D Data inputs 3, 11 1CK, 2CK Clock input (LOW to HIGH, Edge Triggered) 4, 10 1PR, 2PR Asynchronous set - direct input 5, 9 1Q, 2Q True Flip-Flop outputs 6, 8 1Q, 2Q Complement Flip-Flop outputs 7 GND Ground (0V) 14 VCC Positive supply voltage Table 2. Truth table Inputs Outputs Function CLR PR D CK Q Q L H X X L H CLEAR H L X X H L PRESET LL X X H H HH L L H HHH H L HH X (1) 1. X do not care Qn Qn No change |
Podobny numer części - 74LCX74TTR |
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Podobny opis - 74LCX74TTR |
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