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74HCT594DB Folha de dados(PDF) 6 Page - NXP Semiconductors |
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74HCT594DB Folha de dados(HTML) 6 Page - NXP Semiconductors |
6 / 26 page 74HC_HCT594_3 © NXP B.V. 2006. All rights reserved. Product data sheet Rev. 03 — 20 December 2006 6 of 26 NXP Semiconductors 74HC594; 74HCT594 8-bit shift register with output register 7. Functional description [1] H = HIGH voltage level; L = LOW voltage level; ↑ = LOW-to-HIGH transition; X = don’t care. 8. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] For DIP16 packages: above 70 °C the value of P tot derates linearly with 12 mW/K. For SO16 packages: above 70 °C the value of P tot derates linearly with 8 mW/K. For SSOP16 packages: above 60 °C the value of P tot derates linearly with 5.5 mW/K. Table 3. Function table[1] Function Input SHR STR SHCP STCP DS Clear shift register L X X X X Clear storage register X L X X X Load DS into shift register stage 0, advance previous stage data to the next stage H X ↑ X H or L Transfer shift register data to storage register and outputs Qn X H X ↑ X Shift register one count pulse ahead of storage register H H ↑↑ X Table 4. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V). Symbol Parameter Conditions Min Max Unit VCC supply voltage −0.5 +7.0 V IIK input clamping current VI < −0.5 V or VI >VCC + 0.5 V [1] - ±20 mA IOK output clamping current VO < −0.5 V or VO > VCC + 0.5 V [1] - ±20 mA IO output current VO = −0.5 V to VCC + 0.5 V Serial data output Q7S - ±25 mA Parallel data output - ±35 mA ICC supply current Serial data output Q7S - 50 mA Parallel data output - 70 mA IGND ground current Serial data output Q7S - −50 mA Parallel data output - −70 mA Tstg storage temperature −65 +150 °C Ptot total power dissipation Tamb = −40 °C to +125 °C [2] - 500 mW |
Nº de peça semelhante - 74HCT594DB |
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Descrição semelhante - 74HCT594DB |
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