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DM74LS194 Folha de dados(PDF) 4 Page - Fairchild Semiconductor |
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DM74LS194 Folha de dados(HTML) 4 Page - Fairchild Semiconductor |
4 / 6 page www.fairchildsemi.com 4 Switching Characteristics at VCC = 5V and TA = 25°C Note 8: All typicals are at VCC = 5V, TA = 25°C. Note 9: Not more than one output should be shorted at a time, and the duration should not exceed one second. Note 10: With all outputs open, inputs A through D grounded, and 4.5V applied to S0, S1, CLEAR, and the serial inputs, ICC is tested with momentary ground, then 4.5V applied to CLOCK. Timing Diagram Typical Clear, Load, Right-Shift, Left-Shift, Inhibit, and Clear Sequences Symbol Parameter From (Input) CL = 50 pF, RL = 2 kΩ Units To (Output) Min Max fMAX Maximum Clock Frequency 20 MHz tPLH Propagation Delay Time Clock to Any Q 26 ns LOW-to-HIGH Level Output tPHL Propagation Delay Time Clock to Any Q 35 ns HIGH-to-LOW Level Output tPHL Propagation Delay Time Clear to Any Q 38 ns HIGH-to-LOW Output |
Nº de peça semelhante - DM74LS194 |
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Descrição semelhante - DM74LS194 |
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