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74LVT273PWDH 数据表(PDF) 6 Page - NXP Semiconductors |
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74LVT273PWDH 数据表(HTML) 6 Page - NXP Semiconductors |
6 / 11 page Philips Semiconductors Product specification 74LVT273 3.3V Octal D flip-flop 1998 Feb 19 6 AC SETUP REQUIREMENTS GND = 0V; tR = tF = 2.5ns; CL = 50pF, RL = 500Ω, Tamb = –40°C to +85°C. LIMITS SYMBOL PARAMETER WAVEFORM VCC = +3.3 ± 0.3V VCC = 2.7V UNIT MIN TYP MIN ts(H) ts(L) Setup time, High or Low Dn to CP 3 2.3 2.3 1.0 1.0 2.7 2.7 ns th(H) th(L) Hold time, High or Low Dn to CP 3 0 0 –0.6 –0.6 0 0 ns tw(H) tw(L) Clock pulse width High or Low 1 3.3 3.3 1.5 1.5 3.3 3.3 ns tw(L) Master Reset pulse width, Low 2 3.3 1.5 3.3 ns tREC Recovery time MR to CP 2 2.7 1.0 3.2 ns AC WAVEFORMS VM = 1.5V, VIN = GND to 2.7V 1/fMAX tw(H) tw(L) tPHL tPLH CP Qn 1.5V 2.7V 0V 1.5V 1.5V 1.5V 1.5V VOH VOL SV00021 Waveform 1. Propagation Delay, Clock Input to Output, Clock Pulse Width, and Maximum Clock Frequency MR tPHL tREC Qn CP tw(L) 1.5V 1.5V 1.5V 1.5V 2.7V 0V 2.7V 0V VOH VOL SV00107 Waveform 2. Master Reset Pulse Width, Master Reset to Output Delay and Master Reset to Clock Recovery Time Dn CP ts(H) th(H) ts(L) th(L) 1.5V 1.5V 1.5V 1.5V 1.5V 1.5V 2.7V 0V 2.7V 0V NOTE: The shaded areas indicate when the input is permitted to change for predictable output performance. SV00108 Waveform 3. Data Setup and Hold Times |
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类似说明 - 74LVT273PWDH |
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