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74LVCH245AD Datasheet(PDF) 9 Page - NXP Semiconductors |
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74LVCH245AD Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 20 page 2003 May 07 9 Philips Semiconductors Product specification Octal bus transceiver with direction pin with 5 V tolerant input/outputs (3-state) 74LVC245A; 74LVCH245A AC CHARACTERISTICS GND = 0 V; tr =tf ≤ 2.5 ns. Notes 1. Typical values are measured at VCC = 3.3 V. 2. 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 tPHL/tPLH propagation delay An to Bn, Bn to An see Figs 5 and 7 1.2 − 17 − ns 2.7 1.5 3.4 7.3 ns 3.0 to 3.6 1.5 2.9(1) 6.3 ns tPZH/tPZL 3-state output enable time OE to An, OE to Bn see Figs 6 and 7 1.2 − 22 − ns 2.7 1.5 5.0 9.5 ns 3.0 to 3.6 1.5 4.0(1) 8.5 ns tPHZ/tPLZ 3-state output disable time OE to An, OE to Bn see Figs 6 and 7 1.2 − 12 − ns 2.7 1.5 3.6 8.0 ns 3.0 to 3.6 1.7 3.4(1) 7.0 ns tsk(0) skew note 2 −− 1.0 ns Tamb = −40 to +125 °C tPHL/tPLH propagation delay An to Bn, Bn to An see Figs 5 and 7 1.2 −−− ns 2.7 1.5 − 9.5 ns 3.0 to 3.6 1.5 − 8.0 ns tPZH/tPZL 3-state output enable time OE to An, OE to Bn see Figs 6 and 7 1.2 −−− ns 2.7 1.5 − 12.0 ns 3.0 to 3.6 1.5 − 11.0 ns tPHZ/tPLZ 3-state output disable time OE to An, OE to Bn see Figs 6 and 7 1.2 −−− ns 2.7 1.5 − 10.0 ns 3.0 to 3.6 1.7 − 9.0 ns tsk(0) skew note 2 −− 1.5 ns |
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