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74HC259 датащи(PDF) 9 Page - NXP Semiconductors |
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74HC259 датащи(HTML) 9 Page - NXP Semiconductors |
9 / 21 page 74HC_HCT259_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 25 February 2009 9 of 21 NXP Semiconductors 74HC259; 74HCT259 8-bit addressable latch tsu set-up time D, An to LE; see Figure 10 and Figure 11 VCC = 2.0 V 80 19 - 100 - 120 - ns VCC = 4.5 V 16 7 - 20 - 24 - ns VCC = 6.0 V 14 6 - 17 - 20 - ns th hold time D to LE; see Figure 10 and Figure 11 VCC = 2.0 V 0 −19 - 0 - 0 - ns VCC = 4.5 V 0 −6- 0 - 0 - ns VCC = 6.0 V 0 −5- 0 - 0 - ns An to LE; see Figure 10 and Figure 11 VCC = 2.0 V 2 −11 - 2 - 2 - ns VCC = 4.5 V 2 −4- 2 - 2 - ns VCC = 6.0 V 2 −3- 2 - 2 - ns CPD power dissipation capacitance fi = 1 MHz; VI = GND to VCC [4] -19 - - - - - pF 74HCT259 tpd propagation delay D to Qn; see Figure 6 [2] VCC = 4.5 V - 23 39 - 49 - 59 ns VCC = 5.0 V; CL =15pF - 20 - - - - - ns An to Qn; see Figure 7 [2] VCC = 4.5 V - 25 41 51 62 ns VCC = 5.0 V; CL =15pF - 20 - - - - - ns LE to Qn; see Figure 8 [2] VCC = 4.5 V - 22 38 - 48 - 57 ns VCC = 5.0 V; CL =15pF - 20 - - - - - ns tPHL HIGH to LOW propagation delay MR to Qn; see Figure 9 VCC = 4.5 V - 23 39 - 49 - 59 ns VCC = 5.0 V; CL =15pF - 20 - - - - - ns tt transition time see Figure 8 [3] VCC = 4.5 V - 7 15 - 19 - 22 ns tW pulse width LE HIGH or LOW; see Figure 8 VCC = 4.5 V 19 11 - 24 - 29 - ns MR LOW; see Figure 9 VCC = 4.5 V 18 10 - 23 - 27 - ns tsu set-up time D, An to LE; see Figure 10 and Figure 11 VCC = 4.5 V 17 10 - 21 - 26 - ns Table 8. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 12. Symbol Parameter Conditions 25 °C −40 °Cto+85 °C −40 °C to +125 °C Unit Min Typ[1] Max Min Max Min Max |
Аналогичный номер детали - 74HC259 |
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Аналогичное описание - 74HC259 |
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