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CY54FCT374T Datasheet(PDF) 5 Page - Texas Instruments |
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CY54FCT374T Datasheet(HTML) 5 Page - Texas Instruments |
5 / 14 page CY54FCT374T, CY74FCT374T 8-BIT REGISTERS WITH 3-STATE OUTPUTS SCCS022A – MAY 1994 – REVISED OCTOBER 2001 5 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) (continued) PARAMETER TEST CONDITIONS CY54FCT374T CY74FCT374T UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT ICCD¶ VCC = 5.5 V, Outputs open, One bit switching at 50% duty cycle, OE = GND, VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.06 0.12 mA/ ICCD¶ VCC = 5.25 V, Outputs open, One bit switching at 50% duty cycle, OE = GND, VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.06 0.12 MHz One bit switching at f1 = 5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.7 1.4 VCC = 5.5 V, f0 = 10 MHz, 1 at 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 0 , Outputs open, OE = GND Eight bits switching at f1 = 2.5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 1.6 3.2|| IC 1 at 50% duty cycle VIN = 3.4 V or GND 3.9 12.2|| mA IC One bit switching at f1 = 5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.7 1.4 mA VCC = 5.25 V, f0 = 10 MHz, 1 at 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 0 , Outputs open, OE = GND Eight bits switching at f1 = 2.5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 1.6 3.2|| 1 at 50% duty cycle VIN = 3.4 V or GND 3.9 12.2|| Ci 5 10 5 10 pF Co 9 12 9 12 pF † Typical values are at VCC = 5 V, TA = 25°C. ¶ This parameter is derived for use in total power-supply calculations. # IC = ICC + ∆ICC × DH × NT + ICCD (f0/2 + f1 × N1) Where: IC = Total supply current ICC = Power-supply current with CMOS input levels ∆ICC = Power-supply current for a TTL high input (VIN = 3.4 V) DH = Duty cycle for TTL inputs high NT = Number of TTL inputs at DH ICCD = Dynamic current caused by an input transition pair (HLH or LHL) f0 = Clock frequency for registered devices, otherwise zero f1 = Input signal frequency N1 = Number of inputs changing at f1 All currents are in milliamperes and all frequencies are in megahertz. || Values for these conditions are examples of the ICC formula. |
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