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74HC299N Datasheet(PDF) 11 Page - NXP Semiconductors |
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74HC299N Datasheet(HTML) 11 Page - NXP Semiconductors |
11 / 24 page 74HC_HCT299_3 © NXP B.V. 2008. All rights reserved. Product data sheet Rev. 03 — 28 July 2008 11 of 24 NXP Semiconductors 74HC299; 74HCT299 8-bit universal shift register; 3-state tW pulse width CP HIGH or LOW; see Figure 7 VCC = 2.0 V 80 17 - 100 - 120 - ns VCC = 4.5 V 16 6 - 20 - 24 - ns VCC = 6.0 V 14 5 - 17 - 20 - ns MR LOW; see Figure 8 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 tPZH OFF-state to HIGH propagation delay OEn to I/On; see Figure 10 [4] VCC = 2.0 V - 50 155 - 195 - 235 ns VCC = 4.5 V - 18 31 - 39 - 47 ns VCC = 6.0 V - 14 26 - 33 - 40 ns tPZL OFF-state to LOW propagation delay OEn to I/On; see Figure 10 VCC = 2.0 V - 41 130 - 165 - 195 ns VCC = 4.5 V - 15 26 - 33 - 39 ns VCC = 6.0 V - 12 22 - 28 - 33 ns tPHZ HIGH to OFF-state propagation delay OEn to I/On; see Figure 10 [5] VCC = 2.0 V - 66 185 - 230 - 280 ns VCC = 4.5 V - 24 37 - 46 - 56 ns VCC = 6.0 V - 19 31 - 39 - 48 ns tPLZ LOW to OFF-state propagation delay OEn to I/On; see Figure 10 VCC = 2.0 V - 55 155 - 195 - 235 ns VCC = 4.5 V - 20 31 - 39 - 47 ns VCC = 6.0 V - 16 26 - 33 - 40 ns trec recovery time MR to CP; see Figure 8 VCC = 2.0 V 5 −14 -5-5- ns VCC = 4.5 V 5 −5 -5-5- ns VCC = 6.0 V 5 −4 -5-5- ns Table 7. Dynamic characteristics …continued GND (ground = 0 V); for test circuit, see Figure 11. Symbol Parameter Conditions 25 °C −40 °C to +85 °C −40 °C to +125 °C Unit Min Typ Max Min Max Min Max |
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