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74LVX174TTR Datasheet(PDF) 4 Page - STMicroelectronics |
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74LVX174TTR Datasheet(HTML) 4 Page - STMicroelectronics |
4 / 12 page 74LVX174 4/12 Table 7: Dynamic Switching Characteristics 1) Worst case package. 2) Max number of outputs defined as (n). Data inputs are driven 0V to 3.3V, (n-1) outputs switching and one output at GND. 3) Max number of data inputs (n) switching. (n-1) switching 0V to 3.3V. Inputs under test switching: 3.3V to threshold (VILD), 0V to threshold (VIHD), f=1MHz. Table 8: AC Electrical Characteristics (Input tr = tf = 3ns) 1) Skew is defined as the absolute value of the difference between the actual propagation delay for any two outputs of the same device switch- ing in the same direction, either HIGH or LOW 2) Parameter guaranteed by design (*) Voltage range is 3.3V ± 0.3V Symbol Parameter Test Condition Value Unit VCC (V) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. VOLP Dynamic Low Voltage Quiet Output (note 1, 2) 3.3 CL = 50 pF 0.3 0.8 V VOLV -0.8 -0.3 VIHD Dynamic High Voltage Input (note 1, 3) 3.3 2 VILD Dynamic Low Voltage Input (note 1, 3) 3.3 0.8 Symbol Parameter Test Condition Value Unit VCC (V) CL (pF) TA = 25°C -40 to 85°C -55 to 125°C Min. Typ. Max. Min. Max. Min. Max. tPLH tPHL Propagation Delay Time CLOCK to Q 2.7 15 7.6 14.5 1.0 17.5 1.0 18.5 ns 2.7 50 10.1 18.0 1.0 21.0 1.0 22.0 3.3(*) 15 5.9 9.3 1.0 11.0 1.0 12.0 3.3(*) 50 8.4 12.8 1.0 14.5 1.0 15.5 tPLH tPHL Propagation Delay Time CLEAR to Q 2.7 15 7.9 15.0 1.0 18.5 1.0 19.5 ns 2.7 50 10.4 18.5 1.0 22.0 1.0 23.0 3.3(*) 15 6.2 9.7 1.0 11.5 1.0 12.5 3.3(*) 50 8.7 13.2 1.0 15.0 1.0 16.0 tWL CLEAR pulse Width, HIGH 2.7 6.5 7.5 7.5 ns 3.3(*) 5.0 5.0 5.0 tW CLOCK pulse Width 2.7 6.5 7.5 7.5 ns 3.3(*) 5.0 5.0 5.0 tS Setup Time Q to CLOCK HIGH or LOW 2.7 7.5 8.5 8.5 ns 3.3(*) 5.0 6.0 6.0 th Hold Time Q to CLOCK HIGH or LOW 2.7 0.0 0.0 0.0 ns 3.3(*) 0.0 0.0 0.0 tREM Recovery Time CLEAR to Q 2.7 4.5 4.5 ns 3.3(*) 3.0 3.0 fMAX Maximum Clock Frequency 2.7 15 65 130 55 MHz 2.7 50 45 60 40 3.3(*) 15 115 180 95 3.3(*) 50 65 95 55 tOSLH tOSHL Output To Output Skew Time (note1, 2) 2.7 50 0.5 1.0 1.5 1.5 ns 3.3(*) 50 0.5 1.0 1.5 1.5 |
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