전자부품 데이터시트 검색엔진 |
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74ACTQ543SPC 데이터시트(PDF) 5 Page - Fairchild Semiconductor |
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74ACTQ543SPC 데이터시트(HTML) 5 Page - Fairchild Semiconductor |
5 / 9 page 5 www.fairchildsemi.com AC Electrical Characteristics for AC Note 13: Voltage Range 5.0 is 5.0V ± 0.5V Voltage Range 3.3 is 3.3V ± 0.3V Note 14: Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs within the same packaged device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Parameter guaranteed by design. Not tested. AC Operating Requirements for AC Note 15: Voltage Range 5.0 is 5.0V ± 0.5V Voltage Range 3.3 is 3.0V ± 0.3V VCC TA = +25°CTA = −40°C to +85°C Symbol Parameter (V) CL = 50 pF CL = 50 pF Units (Note 13) Min Typ Max Min Max tPLH Propagation Delay 3.3 1.5 8.0 11.0 1.5 11.5 tPHL Transparent Mode 5.0 1.5 5.0 7.0 1.5 7.5 ns An to Bn or Bn to An tPLH Propagation Delay 3.3 1.5 9.0 12.5 1.5 13.0 ns tPHL LEBA, LEAB to An, Bn 5.0 1.5 6.0 8.0 1.5 8.5 tPZH Output Enable Time tPZL OEBA or OEAB to An or Bn 3.3 1.5 10.5 15.0 1.5 15.5 ns CEBA or CEAB to An or Bn 5.0 1.5 7.0 9.5 1.5 10.0 tPHZ Output Disable Time ns tPLZ OEBA or OEAB to An or Bn 3.3 1.0 8.0 11.0 1.0 11.5 CEBA or CEAB to An or Bn 5.0 1.0 5.0 7.0 1.0 7.5 tOSHL Output to Output 3.3 1.0 1.5 1.5 ns tOSLH Skew (Note 14) 5.0 0.5 1.0 1.0 VCC TA = +25°CTA = −40°C to +85°C Symbol Parameter (V) CL = 50 pF CL = 50 pF Units (Note 15) Typ Guaranteed Minimum tS Setup Time, HIGH or LOW 3.3 3.0 3.0 ns An or Bn to LEBA or LEAB 5.0 tH Hold Time, HIGH or LOW 3.3 1.5 1.5 ns An or Bn to LEBA or LEAB 5.0 tW Latch Enable 3.3 4.0 4.0 ns Pulse Width, LOW 5.0 |
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