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74HC259BQ Datasheet(PDF) 5 Page - NXP Semiconductors |
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74HC259BQ Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 21 page 74HC_HCT259_4 © NXP B.V. 2009. All rights reserved. Product data sheet Rev. 04 — 25 February 2009 5 of 21 NXP Semiconductors 74HC259; 74HCT259 8-bit addressable latch [1] H = HIGH voltage level; L = LOW voltage level. 7. Limiting values [1] The input and output voltage ratings may be exceeded if the input and output current ratings are observed. [2] Ptot derates linearly with 12 mW/K above 70 °C. [3] Ptot derates linearly with 8 mW/K above 70 °C. [4] Ptot derates linearly with 5.5 mW/K above 60 °C. [5] Ptot derates linearly with 4.5 mW/K above 60 °C. Table 4. Operating mode select table[1] LE MR Mode L H Addressable latch mode H H Memory mode L L Demultiplexer mode H L Reset mode Table 5. 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 - ±25 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 DIP16 package [2] - 750 mW SO16 package [3] - 500 mW (T)SSOP16 package [4] - 500 mW DHVQFN16 package [5] - 500 mW |
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