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74LVT273DB Datasheet(PDF) 8 Page - NXP Semiconductors |
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74LVT273DB Datasheet(HTML) 8 Page - NXP Semiconductors |
8 / 17 page 74LVT273_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 10 September 2008 8 of 17 NXP Semiconductors 74LVT273 3.3 V octal D-type flip-flop [1] Typical values are measured at Tamb =25 °C and VCC = 3.3 V [2] tsu is the same as tsu(L) and tsu(H) [3] th is the same as th(L) and th(H) [4] tW is the same as tWL and tWH 11. Waveforms tW pulse width CP input HIGH or LOW; see Figure 6 [4] VCC = 2.7 V 3.3 - - ns VCC = 3.3 V ± 0.3 V 3.3 1.5 - ns MR input LOW; see Figure 7 VCC = 2.7 V 3.3 - - ns VCC = 3.3 V ± 0.3 V 3.3 1.5 - ns trec recovery time see Figure 7 VCC = 2.7 V 3.2 - - ns VCC = 3.3 V ± 0.3 V 2.7 1.0 - ns fmax maximum frequency CP input; see Figure 7 150 - - MHz Table 7. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 9. Symbol Parameter Conditions −40 °C to +85 °C Unit Min Typ[1] Max see Table 8 for measurement points. VOL and VOH are typical output voltage levels that occur with the output load. Fig 6. CP Input to Qn output propagation delays and clock pulse width and maximum frequency 001aai739 CP input Qn output tPHL tPLH tWH 1/fmax VM VOH VI GND VOL VM tWL Table 8. Measurement points Input Output VI VM VM 2.7 V 1.5 V 1.5 V |
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