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HEF4015BT Datasheet(PDF) 6 Page - NXP Semiconductors |
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HEF4015BT Datasheet(HTML) 6 Page - NXP Semiconductors |
6 / 15 page HEF4015B All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 8 — 21 November 2011 6 of 15 NXP Semiconductors HEF4015B Dual 4-bit static shift register 11. Dynamic characteristics [1] The typical values of the propagation delay and transition times are calculated from the extrapolation formulas shown (CL in pF). Table 7. Dynamic characteristics VSS = 0 V; CL = 50 pF; Tamb = 25 C. Symbol Parameter Conditions VDD Extrapolation formula[1] Min Typ Max Unit tPHL HIGH to LOW propagation delay nCP to Qn; see Figure 4 5 V 103 ns + (0.55 ns/pF)CL - 130 260 ns 10 V 44 ns + (0.23 ns/pF)CL - 55 110 ns 15 V 32 ns + (0.16 ns/pF)CL - 4080ns nMR to Qn; see Figure 6 5 V 78 ns + (0.55 ns/pF)CL - 105 210 ns 10 V 34 ns + (0.23 ns/pF)CL - 4590ns 15 V 27 ns + (0.16 ns/pF)CL - 3570ns tPLH LOW to HIGH propagation delay nCP to Qn see Figure 4 5 V 93 ns + (0.55 ns/pF)CL - 120 240 ns 10 V 44 ns + (0.23 ns/pF)CL - 55 110 ns 15 V 32 ns + (0.16 ns/pF)CL - 4080ns tt transition time see Figure 4 5 V 10 ns + (1.00 ns/pF)CL -60 120 ns 10 V 9 ns + (0.42 ns/pF)CL - 3060ns 15 V 6 ns + (0.28 ns/pF)CL - 2040ns tsu set-up time nD to nCP; see Figure 5 5 V +25 15 - ns 10 V +25 10 - ns 15 V +20 5- ns th hold time nD to nCP; see Figure 5 5 V 40 20 - ns 10 V 20 10 - ns 15 V 15 8 - ns tW pulse width nCP LOW; minimum width; see Figure 5 5 V 60 30 - ns 10 V 30 15 - ns 15 V 20 10 - ns nMR HIGH; minimum width; see Figure 6 5 V 80 40 - ns 10 V 30 15 - ns 15 V 24 12 - ns trec recovery time pin nMR; see Figure 6 5 V 50 20 - ns 10 V 30 10 - ns 15 V 20 5 - ns fmax maximum frequency see Figure 5 5 V 7 15 - MHz 10 V 15 30 - MHz 15 V 22 44 - MHz |
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