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74HCT595D 데이터시트(PDF) 11 Page - NXP Semiconductors |
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74HCT595D 데이터시트(HTML) 11 Page - NXP Semiconductors |
11 / 24 page 74HC_HCT595 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2011. All rights reserved. Product data sheet Rev. 6 — 12 December 2011 11 of 24 NXP Semiconductors 74HC595; 74HCT595 8-bit serial-in, serial or parallel-out shift register with output latches; 3-state tsu set-up time DS to SHCP; see Figure 10 VCC = 2 V 50 11 - 65 - 75 - ns VCC = 4.5 V 10 4 - 13 - 15 - ns VCC = 6 V 9 3 - 11 - 13 - ns SHCP to STCP; see Figure 11 VCC = 2 V 75 22 - 95 - 110 - ns VCC = 4.5 V 15 8 - 19 - 22 - ns VCC = 6 V 13 7 - 16 - 19 - ns th hold time DS to SHCP; see Figure 11 VCC = 2 V 3 6- 3 - 3 - ns VCC = 4.5 V 3 2- 3 - 3 - ns VCC = 6 V 3 2- 3 - 3 - ns trec recovery time MR to SHCP; see Figure 12 VCC = 2 V 50 19 - 65 - 75 - ns VCC = 4.5 V 10 7- 13 - 15 - ns VCC = 6 V 9 6- 11 - 13 - ns fmax maximum frequency SHCP or STCP; see Figure 9 and 10 VCC = 2 V 9 30 - 4.8 - 4 - MHz VCC = 4.5 V 30 91 - 24 - 20 - MHz VCC = 6 V 35 108 - 28 - 24 - MHz CPD power dissipation capacitance fi = 1 MHz; VI =GND to VCC [6][7] -115 - - - - - pF 74HCT595; VCC = 4.5 V to 5.5 V tpd propagation delay SHCP to Q7S; see Figure 9 [2] -25 42 - 53 - 63 ns STCP to Qn; see Figure 10 [2] -24 40 - 50 - 60 ns MR to Q7S; see Figure 12 [3] -23 40 - 50 - 60 ns ten enable time OE to Qn; see Figure 13 [4] -21 35 - 44 - 53 ns tdis disable time OE to Qn; see Figure 13 [5] -18 30 - 38 - 45 ns tW pulse width SHCP HIGH or LOW; see Figure 9 16 6 - 20 - 24 - ns STCP HIGH or LOW; see Figure 10 16 5 - 20 - 24 - ns MR LOW; see Figure 12 20 8 - 25 - 30 - ns tsu set-up time DS to SHCP; see Figure 10 16 5 - 20 - 24 - ns SHCP to STCP; see Figure 11 16 8 - 20 - 24 - ns th hold time DS to SHCP; see Figure 11 3 2- 3 - 3 - ns Table 7. Dynamic characteristics …continued Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 14. Symbol Parameter Conditions 25 C 40 C to +85 C 40 C to +125 C Unit Min Typ[1] Max Min Max Min Max |
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