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DM74LS377 Folha de dados(PDF) 3 Page - National Semiconductor (TI) |
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DM74LS377 Folha de dados(HTML) 3 Page - National Semiconductor (TI) |
3 / 6 page Switching Characteristics VCC ea50V TA ea25 C Symbol Parameter RL e 2kX CL e 15 pF Units Min Max fmax Maximum Clock Frequency 30 MHz tPLH Propagation Delay 25 ns tPHL CP to Qn 25 Functional Description The ’LS377 consists of eight edge-triggered D flip-flops with individual D inputs and Q outputs The Clock (CP) and En- able input (E) are common to all flip-flops When E is LOW new data is entered into the register on the next LOW-to-HIGH transition of CP When E is HIGH the register will retain the present data independent of the CP Truth Table Inputs Output E CP Dn Qn H X X No Change L L HH L L LL H e HIGH Voltage Level L e LOW Voltage Level X e Immaterial Logic Symbol TLF9831 – 2 VCC e Pin 20 GND e Pin 10 Logic Diagram TLF9831 – 3 3 |
Nº de peça semelhante - DM74LS377 |
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Descrição semelhante - DM74LS377 |
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