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74HC590BQ Datasheet(PDF) 7 Page - NXP Semiconductors |
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74HC590BQ Datasheet(HTML) 7 Page - NXP Semiconductors |
7 / 21 page 74HC590_2 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 02 — 28 April 2009 7 of 21 NXP Semiconductors 74HC590 8-bit binary counter with output register; 3-state 7. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] For DIP16 package: Ptot derates linearly with 12 mW/K above 70 °C. For SO16 packages: Ptot derates linearly with 8 mW/K above 70 °C. For TSSOP16 packages: Ptot derates linearly with 5.5 mW/K above 60 °C. For DHVQFN16 packages: Ptot derates linearly with 8 mW/K above 60 °C. 8. Recommended operating conditions 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 RCO standard output - ±25 mA Qn bus driver output - ±35 mA ICC supply current - 70 mA IGND ground current −70 - mA Tstg storage temperature −65 +150 °C Ptot total power dissipation Tamb = −40 °C to +125 °C [2] DIP16 package - 750 mW SO16 package - 500 mW TSSOP16 package - 500 mW Table 5. Recommended operating conditions Symbol Parameter Conditions Min Typ Max Unit VCC supply voltage 2.0 5.0 6.0 V VI input voltage 0 - VCC V VO output voltage 0 - VCC V ∆t/∆V input transition rise and fall rate VCC = 2.0 V - - 625 ns/V VCC = 4.5 V - 1.67 139 ns/V VCC = 6.0 V - - 83 ns/V Tamb ambient temperature −40 - +125 °C |
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