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74AC646SPC Fiches technique(PDF) 7 Page - Fairchild Semiconductor |
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74AC646SPC Fiches technique(HTML) 7 Page - Fairchild Semiconductor |
7 / 9 page 7 www.fairchildsemi.com AC Electrical Characteristics for ACT Note 10: Voltage Range 5.0 is 5.0V ± 0.5V AC Operating Requirements for ACT Note 11: Voltage Range 5.0 is 5.0V ± 0.5V Capacitance VCC TA = +25°CTA = −40°C to +85°C Symbol Parameter (V) CL = 50 pF CL = 50 pF Units (Note 10) Min Typ Max Min Max tPLH Propagation Delay 5.0 3.5 12.0 14.5 3.0 16.0 ns Clock to Bus tPHL Propagation Delay 5.0 4.0 12.0 14.5 3.5 16.0 ns Clock to Bus tPLH Propagation Delay 5.0 3.0 8.5 10.5 2.5 11.5 ns Bus to Bus tPHL Propagation Delay 5.0 2.5 8.5 10.5 2.0 11.5 ns Bus to Bus tPLH Propagation Delay SBA or SAB to An to Bn 5.0 3.0 9.5 11.5 2.5 12.5 ns (w/An or Bn, HIGH or LOW) tPHL Propagation Delay SBA or SAB to An to Bn 5.0 3.0 9.5 11.5 2.5 12.5 ns (w/An or Bn, HIGH or LOW) tPZH Enable Time 5.0 2.0 9.0 11.0 1.5 12.0 ns G to An or Bn tPZL Enable Time 5.0 3.5 9.0 11.0 3.0 12.0 ns G to An or Bn tPHZ Disable Time 5.0 5.0 10.5 13.0 4.5 14.5 ns G to An or Bn tPLZ Disable Time 5.0 3.5 10.0 12.5 3.0 14.0 ns G to An or Bn tPZH Enable Time 5.0 2.0 6.5 10.5 1.5 11.5 ns DIR to An or Bn tPZL Enable Time 5.0 3.5 6.5 10.5 3.0 11.5 ns DIR to An or Bn tPHZ Disable Time 5.0 5.0 8.5 12.5 4.5 13.5 ns DIR to An or Bn tPLZ Disable Time 5.0 3.5 8.5 12.5 3.0 13.5 ns DIR to An or Bn VCC TA = +25°C TA = −40°C to +85°C Symbol Parameter (V) CL = 50 pF CL = 50 pF Units (Note 11) Typ Guaranteed Minimum tS Setup Time, HIGH or LOW 5.0 2.5 7.0 8.0 ns BUS to Clock tH Hold Time, HIGH or LOW 5.0 0 2.5 2.5 ns Bus to Clock tW Clock Pulse Width 5.0 4.5 7.0 8.0 ns HIGH or LOW Symbol Parameter Typ Units Conditions CIN Input Capacitance 4.5 pF VCC = OPEN CI/O Input/Output Capacitance 15.0 pF VCC = 5.0V CPD Power Dissipation Capacitance 60.0 pF VCC = 5.0V |
Numéro de pièce similaire - 74AC646SPC |
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Description similaire - 74AC646SPC |
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