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74LVC374A Folha de dados(PDF) 2 Page - ON Semiconductor |
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74LVC374A Folha de dados(HTML) 2 Page - ON Semiconductor |
2 / 10 page 74LVC374A www.onsemi.com 2 Figure 1. Pinout: 20−Lead (Top View) 19 20 18 17 16 15 14 2 1 3456 7 VCC 13 8 12 9 11 10 O7 D7 D6 O6 O5 D5 D4 O4 CP OE O0 D0 D1 O1 O2 D2 D3 O3 GND O0 D0 O1 D1 O2 D2 O3 D3 O4 D4 O5 D5 O6 D6 O7 D7 Figure 2. LOGIC DIAGRAM CP Q D CP Q D CP Q D CP Q D CP Q D CP Q D CP Q D CP Q D CP OE 3 4 7 8 13 14 17 18 2 5 6 9 12 15 16 19 11 1 PIN NAMES Function Output Enable Input Clock Pulse Input Data Inputs 3−State Outputs Pins OE CP D0−D7 O0−O7 TRUTH TABLE INPUTS OUTPUTS OE CP Dn On OPERATING MODE L L ↑ ↑ l h L H Load and Read Register L ↑ X NC Hold and Read Register H ↑ X Z Hold and Disable Outputs H H ↑ ↑ l h Z Z Load Internal Register and Disable Outputs H = High Voltage Level h = High Voltage Level One Setup Time Prior to the Low−to−High Clock Transition L = Low Voltage Level l = Low Voltage Level One Setup Time Prior to the Low−to−High Clock Transition NC = No Change, State Prior to Low−to−High Clock Transition X = High or Low Voltage Level and Transitions are Acceptable Z = High Impedance State ↑ = Low−to−High Transition ↑ = Not a Low−to−High Transition; For ICC Reasons, DO NOT FLOAT Inputs |
Nº de peça semelhante - 74LVC374A |
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Descrição semelhante - 74LVC374A |
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