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74LVC157A 데이터시트(PDF) 9 Page - NXP Semiconductors |
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74LVC157A 데이터시트(HTML) 9 Page - NXP Semiconductors |
9 / 17 page 2003 Dec 02 9 Philips Semiconductors Product specification Quad 2-input multiplexer 74LVC157A AC CHARACTERISTICS GND = 0 V; tr =tf ≤ 2.5 ns. Notes 1. All typical values are measured at Tamb =25 °C. 2. This typical value is measured at VCC = 3.3 V and Tamb =25 °C. 3. Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design. SYMBOL PARAMETER TEST CONDITIONS MIN. TYP. MAX. UNIT WAVEFORMS VCC (V) Tamb = −40 to +85 °C; note 1 tPHL/tPLH propagation delay nI0, nI1 to nY see Figs 8 and 9 1.2 − 16 − ns 2.7 1.0 3.0 5.9 ns 3.0 to 3.6 1.0 2.6(2) 5.2 ns propagation delay E to nY see Figs 7 and 9 1.2 − 17 − ns 2.7 1.0 3.4 7.8 ns 3.0 to 3.6 1.0 2.8(2) 6.5 ns propagation delay S to nY see Figs 8 and 9 1.2 − 16 − ns 2.7 1.0 3.0 7.3 ns 3.0 to 3.6 1.0 2.6(2) 6.3 ns tsk(0) skew note 3 3.0 to 3.6 −− 1.0 ns Tamb = −40 to +125 °C tPHL/tPLH propagation delay nI0, nI1 to nY see Figs 8 and 9 1.2 −−− ns 2.7 1.0 − 7.5 ns 3.0 to 3.6 1.0 − 6.5 ns propagation delay E to nY see Figs 7 and 9 1.2 −−− ns 2.7 1.0 − 10.0 ns 3.0 to 3.6 1.0 − 8.5 ns propagation delay S to nY see Figs 8 and 9 1.2 −−− ns 2.7 1.0 − 9.5 ns 3.0 to 3.6 1.0 − 8.0 ns tsk(0) skew note 3 3.0 to 3.6 −− 1.5 ns |
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