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SN74ALS164AD Fiches technique(PDF) 4 Page - Texas Instruments |
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SN74ALS164AD Fiches technique(HTML) 4 Page - Texas Instruments |
4 / 6 page SN74ALS164A 8-BIT PARALLEL-OUT SERIAL SHIFT REGISTER SDAS159D – APRIL 1982 – REVISED DECEMBER 1994 4 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 recommended operating conditions MIN NOM MAX UNIT VCC Supply voltage 4.5 5 5.5 V VIH High-level input voltage 2 V VIL Low-level input voltage 0.8 V IOH High-level output current – 0.4 mA IOL Low-level output current 8 mA fclock Clock frequency 50 MHz t Pulse duration CLK 10 ns tw Pulse duration CLR low 16 ns t Set p time before CLK ↑ Data 6 ns tsu Setup time before CLK ↑ CLR inactive 8 ns th Hold time, data after CLK ↑ 2 ns TA Operating free-air temperature 0 70 °C electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS MIN TYP† MAX UNIT VIK VCC = 4.5 V, II = – 18 mA – 1.5 V VOH VCC = 4.5 V to 5.5 V, IOH = – 0.4 mA VCC –2 V VOL VCC =4 5V IOL = 4 mA 0.25 0.4 V VOL VCC = 4.5 V IOL = 8 mA 0.35 0.5 V II VCC = 5.5 V, VI = 7 V 0.1 mA IIH VCC = 5.5 V, VI = 2.7 V 20 µA IIL VCC = 5.5 V, VI = 0.4 V – 0.1 mA IO‡ VCC = 5.5 V, VO = 2.25 V –30 –112 mA ICC VCC = 5.5 V, See Note 1 14 24 mA † All typical values are at VCC = 5 V, TA = 25°C. ‡ The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, IOS. NOTE 1: With 4.5 V applied to the serial input and all other inputs, except the CLK, grounded, ICC is measured after a clock transition from 0 to 4.5 V. switching characteristics (see Figure 1) PARAMETER FROM (INPUT) TO (OUTPUT) VCC = 4.5 V to 5.5 V, CL = 50 pF, RL = 500 Ω, TA = MIN to MAX§ UNIT MIN TYP¶ MAX fmax 50 75 MHz tPHL CLR Any Q 6 15 20 ns tPLH CLK Any Q 4 9 16 ns tPHL CLK Any Q 5 11 17 ns § 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. |
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