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74LVT534PW Fiches technique(PDF) 3 Page - NXP Semiconductors |
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74LVT534PW Fiches technique(HTML) 3 Page - NXP Semiconductors |
3 / 12 page Philips Semiconductors Product specification 74LVT534 3.3V Octal D-type flip-flop, inverting (3-State) 1998 Feb 19 3 LOGIC SYMBOL (IEEE/IEC) 1 3 2 4 5 7 6 8 9 EN 11 C1 13 12 14 15 17 16 18 19 1D SA00163 PIN DESCRIPTION PIN NUMBER SYMBOL FUNCTION 1 OE Output enable input (active-Low) 3, 4, 7, 8, 13, 14, 17, 18 D0-D7 Data inputs 2, 5, 6, 9, 12, 15, 16, 19 Q0-Q7 Inverting 3-State outputs 11 CP Clock pulse input (active rising edge) 10 GND Ground (0V) 20 VCC Positive supply voltage FUNCTION TABLE INPUTS INTERNAL OUTPUTS OPERATING MODE OE CP Dn REGISTER Q0 – Q7 L L ↑ ↑ l h L H H L Latch and read register L ↑ X NC NC Hold H H ↑ ↑ X Dn NC Dn Z Z Disable outputs H = High voltage level h = High voltage level one set-up time prior to the Low-to-High clock transition L = Low voltage level l = Low voltage level one set-up time prior to the Low-to-High clock transition NC= No change X = Don’t care Z = High impedance “off” state ↑ = Low-to-High clock transition ↑ = not a Low-to-High clock transition LOGIC DIAGRAM 19 CP Q D 2 D0 Q0 CP Q D 3 D1 CP Q D 4 D2 CP Q D 5 D3 CP Q D 6 D4 CP Q D 7 D5 CP Q D 8 D6 CP Q D 9 D7 Q1 18 Q2 17 Q3 16 Q4 15 Q5 14 Q6 13 Q7 12 11 CP 1 OE SV00168 |
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