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TC74VCX164245FT Scheda tecnica(PDF) 11 Page - Toshiba Semiconductor |
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TC74VCX164245FT Scheda tecnica(HTML) 11 Page - Toshiba Semiconductor |
11 / 15 page TC74VCX164245FT 2001-08-30 11 VCCB ==== 2.5 ±±±± 0.2 V, VCCA ==== 1.8 ±±±± 0.15 V Characteristics Symbol Test Condition Min Max Unit Propagation delay time (Bn ® An) tpLH tpHL Figure 1, Figure 2 1.5 7.0 3-state output enable time ( OE ® An) tpZL tpZH Figure 1, Figure 3 1.5 8.3 3-state output disable time ( OE ® An) tpLZ tpHZ Figure 1, Figure 3 0.8 4.6 ns Propagation delay time (An ® Bn) tpLH tpHL Figure 1, Figure 2 0.8 5.8 3-state output enable time ( OE ® Bn) tpZL tpZH Figure 1, Figure 3 0.8 5.8 3-state output disable time ( OE ® Bn) tpLZ tpHZ Figure 1, Figure 3 0.8 5.2 ns Output to output skew tosLH tosHL (Note 12) ¾ 0.5 ns Note 12: Parameter guaranteed by design. (tosLH = |tpLHm - tpLHn|, tosHL = |tpHLm - tpHLn|) Dynamic Switching Characteristics (Ta ==== 25°C, Input: tr ==== tf ==== 2.0 ns, CL ==== 30 pF) Characteristics Symbol Test Condition VCCB (V) VCCA (V) Typ. Unit 2.5 1.8 0.25 3.3 1.8 0.25 B ® A 3.3 2.5 0.6 2.5 1.8 0.6 3.3 1.8 0.8 Quiet output maximum dynamic VOL A ® B VOLP VIH = VCC, VIL = 0 V 3.3 2.5 0.8 V 2.5 1.8 -0.25 3.3 1.8 -0.25 B ® A 3.3 2.5 -0.6 2.5 1.8 -0.6 3.3 1.8 -0.8 Quiet output minimum dynamic VOL A ® B VOLV VIH = VCC, VIL = 0 V 3.3 2.5 -0.8 V 2.5 1.8 1.3 3.3 1.8 1.3 B ® A 3.3 2.5 1.7 2.5 1.8 1.7 3.3 1.8 2.0 Quiet output minimum dynamic VOH A ® B VOHV VIH = VCC, VIL = 0 V 3.3 2.5 2.0 V |
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