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74FR900 Datasheet(PDF) 5 Page - Fairchild Semiconductor |
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74FR900 Datasheet(HTML) 5 Page - Fairchild Semiconductor |
5 / 6 page 5 www.fairchildsemi.com Extended AC Electrical Characteristics (Continued) Note 5: This specification is guaranteed but not tested. The limits apply to propagation delays for all paths described switching in phase, i.e., all LOW-to-HIGH, HIGH-to-LOW, 3-STATE-to-HIGH, etc. Note 6: This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load capac- itors standard AC load. This specification pertains to single output switching only. Symbol Parameter TA = 0°C to +70°CTA = 0°C to +70°C Units VCC = +5.0V VCC = +5.0V CL = 50 pF CL = 250 pF Nine Outputs Switching (Note 6) (Note 5) Min Max Min Max tPHL An or Bn to Cn 2.0 9.0 2.5 10.5 ns Cn to An or Bn tPLH Propagation Delay 3.5 11.0 ns tPHL C8 to A8 or B8 (PINV HIGH) tPLH Propagation Delay 4.5 12.0 5.5 13.5 ns tPHL An to Bn, Bn to An tPLH Propagation Delay 4.5 12.0 5.5 13.5 ns tPHL LEAC to Cn, LEBC to Cn tPLH Propagation Delay 3.0 11.5 4.0 13.5 ns tPHL LECA to An, LECB to Bn tPLH Propagation Delay 3.0 11.0 3.0 14.0 ns tPHL S0 to Cn tPLH Propagation Delay 3.5 12.0 4.5 15.0 ns tPHL S1 to An or Bn tPLH Propagation Delay 2.5 12.0 ns tPHL PINV to A8 or B8 tPZH Output Enable Time 2.0 8.0 ns tPZL An, Cn tPHZ Output Disable Time 1.5 6.0 ns tPLZ An, Cn tPZH Output Enable Time 2.0 8.0 ns tPZL Bn tPHZ Output Disable Time 2.0 7.0 ns tPLZ Bn |
Número de pieza similar - 74FR900 |
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Descripción similar - 74FR900 |
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