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74HC393D Datasheet(PDF) 5 Page - NXP Semiconductors |
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74HC393D Datasheet(HTML) 5 Page - NXP Semiconductors |
5 / 21 page 74HC_HCT393 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved. Product data sheet Rev. 4 — 16 May 2013 5 of 21 NXP Semiconductors 74HC393; 74HCT393 Dual 4-bit binary ripple counter 6. Functional description [1] H = HIGH voltage level; L = LOW voltage level. 7. Limiting values [1] For DIP14 package: Ptot derates linearly with 12 mW/K above 70 C. [2] For SO14 package: Ptot derates linearly with 8 mW/K above 70 C. For (T)SSOP14 packages: Ptot derates linearly with 5.5 mW/K above 60 C. For DHVQFN14 packages: Ptot derates linearly with 4.5 mW/K above 60 C. Table 3. Count sequence for one counter [1] Count Output nQ0 nQ1 nQ2 nQ3 0 LLLL 1 H LLL 2L H L L 3 HHL L 4 LLH L 5H L H L 6 L HHL 7 HHHL 8 LLLH 9 H LLH 10 LH LH 11 HHL H 12 LLH H 13 HL HH 14 L HHH 15 HHHH 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 V IIK input clamping current VI < 0.5 V or VI >VCC +0.5 V - 20 mA IOK output clamping current VO < 0.5 V or VO >VCC +0.5 V - 20 mA IO output current VO = 0.5 V to VCC +0.5 V - 25 mA ICC supply current - ±50 mA IGND ground current - 50 mA Tstg storage temperature 65 +150 C Ptot total power dissipation DIP14 package [1] - 750 mW SO14, SSOP14, TSSOP14 and DHVQFN14 package [2] - 500 mW |
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