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74ALS273D Scheda tecnica(PDF) 4 Page - NXP Semiconductors |
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74ALS273D Scheda tecnica(HTML) 4 Page - NXP Semiconductors |
4 / 9 page Philips Semiconductors Product specification 74ALS273 Octal D-type flip-flop 1991 Feb 08 4 DC ELECTRICAL CHARACTERISTICS (Over recommended operating free-air temperature range unless otherwise noted.) SYMBOL PARAMETER TEST CONDITIONS1 LIMITS UNIT SYMBOL PARAMETER TEST CONDITIONS1 MIN TYP2 MAX UNIT VO High level output voltage VCC±10%, VIL = MAX, IOH = –0.4mA VCC – 2 V VOH High-level output voltage CC , IL , VIH = MIN IOH = MAX 2.4 3.2 V VO Low level output voltage VCC = MIN, VIL = MAX, IOL = 12mA 0.25 0.40 V VOL Low-level output voltage CC , IL , VIH = MIN IOL = 24mA 0.35 0.50 V VIK Input clamp voltage VCC = MIN, II = IIK –0.73 –1.5 V II Input current at maximum input voltage VCC = MAX, VI = 7.0V 0.1 mA IIH High-level input current VCC = MAX, VI = 2.7V 20 µA I Low level input current MR, CP VCC = MAX V =0 4V –0.1 mA IIL Low-level input current Dn VCC = MAX, VI = 0.4V –0.2 mA IO Output current3 VCC = MAX, VO = 2.25V –30 –112 mA ICC Supply current (total) ICCH VCC = MAX 12 18 mA ICC Supply current (total) ICCL VCC = MAX 21 29 mA NOTES: 1. For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions for the applicable type. 2. All typical values are at VCC = 5V, Tamb = 25°C. 3. The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. AC ELECTRICAL CHARACTERISTICS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω UNIT MIN MAX fMAX Maximum clock frequency Waveform 1 65 MHz tPLH tPHL Propagation delay CP to Qn Waveform 1 2.0 3.0 8.0 11.0 ns tPHL Propagation delay MR to Qn Waveform 2 4.0 12.0 ns AC SETUP REQUIREMENTS LIMITS SYMBOL PARAMETER TEST CONDITION Tamb = 0°C to +70°C VCC = +5.0V ± 10% CL = 50pF, RL = 500Ω UNIT MIN MAX tsu(H) tsu(L) Setup time, High or Low Dn to CP Waveform 3 5.0 5.0 ns th(H) th(L) Hold time, High or Low Dn to CP Waveform 3 0.0 0.0 ns tw(H) tw(L) CP pulse width, High or Low Waveform 1 6.0 8.0 ns tw(L) MR pulse width, Low Waveform 2 7.0 ns tREC Recovery time, MR to CP Waveform 2 12.0 ns |
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