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74LVC2245ABQ Datasheet(PDF) 9 Page - NXP Semiconductors |
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74LVC2245ABQ Datasheet(HTML) 9 Page - NXP Semiconductors |
9 / 17 page 2003 Nov 17 9 Philips Semiconductors Product specification Octal transceiver with direction pin, 30 Ω series termination resistors; 5 V tolerant input/output; 3-state 74LVC2245A 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 − 26 − ns 2.7 1.5 4.0 7.3 ns 3.0 to 3.6 1.5 3.6(1) 6.3 ns tPZH/tPZL 3-state output enable time OE to An; OE to Bn see Figs 6 and 7 1.2 − 28 − ns 2.7 1.5 5.9 9.5 ns 3.0 to 3.6 1.5 4.3(1) 8.2 ns tPHZ/tPLZ 3-state output disable time OE to An; OE to Bn see Figs 6 and 7 1.2 − 12.0 − ns 2.7 1.5 3.8 6.9 ns 3.0 to 3.6 1.7 3.4(1) 5.9 ns tsk(0) skew note 2 −− 1.0 ns Tamb = −40 to +125 °C tPHL/tPLH propagation delay nAn to nYn see Figs 5 and 7 1.2 − 13 − ns 2.7 1.5 4.5 9.5 ns 3.0 to 3.6 1.5 3.6(1) 8.0 ns tPZH/tPZL 3-state output enable time nOE to nYn see Figs 6 and 7 1.2 − 20 − ns 2.7 1.5 5.9 12.0 ns 3.0 to 3.6 1.5 4.3(1) 10.5 ns tPHZ/tPLZ 3-state output disable time nOE to nYn see Figs 6 and 7 1.2 − 10 − ns 2.7 1.5 3.8 9.0 ns 3.0 to 3.6 1.7 3.4(1) 7.5 ns tsk(0) skew note 2 −− 1.5 ns |
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