전자부품 데이터시트 검색엔진 |
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74ACTQ16245MTD 데이터시트(PDF) 4 Page - Fairchild Semiconductor |
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74ACTQ16245MTD 데이터시트(HTML) 4 Page - Fairchild Semiconductor |
4 / 7 page www.fairchildsemi.com 4 AC Electrical Characteristics Note 8: Voltage Range 5.0 is 5.0V r 0.5V. Extended AC Electrical Characteristics Note 9: Voltage Range 5.0 is 5.0V r 0.5V. Note 10: Skew is defined as the absolute value of the difference between the actual propagation delays for any two separate outputs of the same device. The specification applies to any outputs switching HIGH-to-LOW (tOSHL), LOW-to-HIGH (tOSLH), or any combination switching LOW-to-HIGH and/or HIGH- to-LOW (tOST). Note 11: 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, etc.). Note 12: This specification is guaranteed but not tested. The limits represent propagation delays with 250 pF load capacitors in place of the 50 pF load capacitors in the standard AC load. This specification pertains to single output switching only. Note 13: 3-STATE delays are load dominated and have been excluded from the datasheet. Note 14: The Output Disable Time is dominated by the RC network (500 :, 250 pF) on the output and has been excluded from the datasheet. Capacitance VCC TA 25qCTA 40qC to 85qC Symbol Parameter (V) CL 50 pF CL 50 pF Units (Note 8) Min Typ Max Min Max tPLH Propagation Delay 5.0 3.2 5.7 8.4 3.2 9.0 ns tPHL An, Bn to Bn, An 5.02.6 5.17.9 2.68.4 tPZH Output Enable 5.0 3.7 6.4 9.4 2.7 10.0 ns tPZL Time 5.0 4.1 7.4 10.5 3.4 11.6 tPHZ Output Disable 5.0 2.2 5.4 8.7 2.2 9.3 ns tPLZ Time 5.02.0 5.28.2 2.08.8 TA 40qC to 85qC CL 50 pF TA 40qC to 85qC Symbol Parameter VCC 16 Outputs Switching CL 250 pF Units (V) (Note 11) (Note 12) (Note 9) Min Typ Max Min Max tPLH Propagation Delay 5.0 4.2 11.9 5.9 14.6 ns tPHL Data to Output 5.0 3.5 9.9 5.0 13.4 tPZH Output Enable Time 5.0 4.5 11.4 (Note 13) ns tPZL 5.0 4.4 12.2 tPHZ Output Disable Time 5.0 3.5 9.3 (Note 14) ns tPZL 5.0 3.1 8.8 tOSHL Pin to Pin Skew 5.0 1.2 ns (Note 10) HL Data to Output tOSLH Pin to Pin Skew 5.0 1.3 ns (Note 10) LH Data to Output tOST Pin to Pin Skew 5.0 3.0 ns (Note 10) LH/HL Data to Output Symbol Parameter Typ Units Conditions CIN Input Pin Capacitance 4.5 pF VCC 5.0V CPD Power Dissipation Capacitance 25 pF VCC 5.0V |
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