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CY74FCT163CTSOCE4 Datasheet(PDF) 6 Page - Texas Instruments |
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CY74FCT163CTSOCE4 Datasheet(HTML) 6 Page - Texas Instruments |
6 / 12 page CY54FCT163T, CY74FCT163T 4-BIT BINARY COUNTERS SCCS015A – MAY 1994 – REVISED OCTOBER 2001 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER TEST CONDITIONS CY54FCT163T CY74FCT163T UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT # VCC = 5.5 V, Load mode, One bit switching at f1 = 5 MHz at VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.7 1.4 # Load mode, f0 = 10 MHz, 1 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 # 0 Outputs open, CEP = CET = PE = GND, Four bits switching at f1 = 5 MHz at VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 1.6 3.2|| IC# PE GND, SR = VCC f1 = 5 MHz at 50% duty cycle VIN = 3.4 V or GND 2.9 8.2|| mA IC# VCC = 5.25 V, f0 = 10 MHz, One bit switching at f1 = 5 MHz at VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 0.7 1.4 mA f0 = 10 MHz, Load mode, 1 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 Outputs open, CEP = CET = PE = GND, Four bits switching at f1 = 5 MHz at VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 1.6 3.2|| PE GND, SR = VCC f1 = 5 MHz at 50% duty cycle VIN = 3.4 V or GND 2.9 8.2|| Ci 5 10 5 10 pF Co 9 12 9 12 pF † Typical values are at VCC = 5 V, TA = 25°C. # 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. timing requirements over recommended operating free-air temperature range (unless otherwise noted) (see Figure 1) CY54FCT163T CY74FCT163CT UNIT MIN MAX MIN MAX UNIT t Pulse duration high or low Clock (load) 5 4 ns tw Pulse duration, high or low Clock (count) 8 5 ns P before CP ↑ 5.5 3.5 tsu Setup time, high or low PE or SR before CP ↑ 13.5 7.6 ns CEP or CET before CP ↑ 13 7.6 P after CP ↑ 2 1.5 th Hold time, high or low PE or SR after CP ↑ 1.5 1 ns CEP or CET after CP ↑ 0 0 |
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