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5962-9222101M3A Datasheet(PDF) 5 Page - Texas Instruments |
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5962-9222101M3A Datasheet(HTML) 5 Page - Texas Instruments |
5 / 12 page CY54FCT543T, CY74FCT543T 8-BIT LATCHED REGISTERED TRANSCEIVERS WITH 3-STATE OUTPUTS SCCS030A – 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 CY54FCT543T CY74FCT543T UNIT PARAMETER TEST CONDITIONS MIN TYP† MAX MIN TYP† MAX UNIT # VCC = 5.5 V, 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, Outputs open, 1 at 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 # , CEAB and OEAB = low, CEBA = high, f0 = LEAB = 10 MHz Eight bits switching at f1 = 5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 2.8 5.6|| IC# 1 at 50% duty cycle VIN = 3.4 V or GND 5.1 14.6|| mA IC# VCC = 5.25 V, 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, Outputs open, 1 at 50% duty cycle VIN = 3.4 V or GND 1.2 3.4 , CEAB and OEAB = low, CEBA = high, f0 = LEAB = 10 MHz Eight bits switching at f1 = 5 MHz VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V 2.8 5.6|| 1 at 50% duty cycle VIN = 3.4 V or GND 5.1 14.6|| Ci 5 10 5 10 pF Co 9 12 9 12 pF † Typical values are at VCC = 5 V, TA = 25°C. # IC = ICC + ∆ICCDHNT + ICCD(f0/2 + f1N1) ICC = Quiescent 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) PARAMETER CY54FCT543T CY74FCT543T CY74FCT543AT CY74FCT543CT UNIT PARAMETER MIN MAX MIN MAX MIN MAX MIN MAX UNIT tw Pulse duration, LEAB or LEBA 5 5 5 5 ns tsu Setup time, data before LEAB ↓ or LEBA↓ 3 2 2 2 ns th Hold time, data after LEAB ↓ or LEBA↓ 2 2 2 2 ns |
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