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SN74273 датащи(PDF) 3 Page - Texas Instruments |
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SN74273 датащи(HTML) 3 Page - Texas Instruments |
3 / 6 page SN54273, SN54LS273, SN74273, SN74LS273 OCTAL D-TYPE FLIP-FLOP WITH CLEAR SDLS090 – OCTOBER 1976 – REVISED MARCH 1988 3 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 absolute maximum ratings over operating free-air temperature range (unless otherwise noted) Supply voltage, VCC (see Note 1) 7 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Input voltage 5.5 V . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating free-air temperature range, TA: SN54273 – 55 °C to 125°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . SN74273 0 °C to 70°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage temperature range – 65 °C to 150°C . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NOTE 1: Voltage values are with respect to network ground terminal. recommended operating conditions SN54273 SN74273 UNIT MIN NOM MAX MIN NOM MAX UNIT Supply voltage, VCC 4.5 5 5.5 4.75 5 5.25 V High-level output current, IOH – 800 – 800 µA Low-level output current, IOL 16 16 mA Clock frequency, fclock 0 30 0 30 MHz Width of clock or clear pulse, tw 16.5 16.5 ns Setup time t Data input 20 ↑ 20 ↑ ns Setup time, tsu Clear inactive state 25 ↑ 25 ↑ ns Data hold time, th 5 ↑ 5 ↑ ns Operating free-air temperature, TA –55 125 0 70 °C ↑ The arrow indicates that the rising edge of the clock pulse is used for reference. electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS† MIN TYP‡ MAX UNIT VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V VIK Input clamp voltage VCC = MIN, II = – 12 mA –1.5 V VOH High-level output voltage VCC = MIN, VIL = 0.8 V, VIH = 2 V, IOH = – 800 µA 2.4 3.4 V VOL Low-level output voltage VCC = MIN, VIL = 0.8 V, VIH = 2 V, IOH = 16 mA 0.4 V II Input current at maximum input voltage VCC = MAX, VI = 5.5 V 1 mA IIH High level input current Clear VCC = MAX VI =2 4V 80 µA IIH High-level input current Clock or D VCC = MAX, VI = 2.4 V 40 µA IIL Low level input current Clear VCC = MAX VI =0 4V – 3.2 mA IIL Low-level input current Clock or D VCC = MAX, VI = 0.4 V – 1.6 mA IOS Short-circuit output current§ VCC = MAX –18 –57 mA ICC Supply current VCC = MAX, See Note 2 62 94 mA † For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions. ‡ All typical values are at VCC = 5 V, TA = 25°C. § Not more than one output should be shorted at a time. NOTE 2: With all outputs open and 4.5 V applied to all data and clear inputs, ICC is measured after a momentary ground, then 4.5 V, is applied to clock. |
Аналогичный номер детали - SN74273 |
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Аналогичное описание - SN74273 |
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