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3 / 8 page 3 IDT74FCT807BT/CT FAST CMOS 1-TO-10 CLOCK DRIVER COMMERCIALANDINDUSTRIALTEMPERATURERANGES NOTES: 1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type. 2. Typical values are at VCC = 5V, +25°C ambient. 3. Per TTL driven input (VIN = 3.4V); all other inputs at VCC or GND. 4. This parameter is not directly testable, but is derived for use in Total Power Supply calculations. 5. Values for these conditions are examples of the IC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ∆ICC DHNT + ICCD (fONO) ICC = Quiescent Current (ICCL, ICCH and ICCZ) ∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V) 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) fO = Output Frequency NO = Number of Outputs at fO All currents are in milliamps and all frequencies are in megahertz. POWER SUPPLY CHARACTERISTICS Symbol Parameter TestConditions(1) Min. Typ.(2) Max. Unit ∆ICC Quiescent Power Supply Current VCC = Max. — 0.5 2 mA TTL Inputs HIGH VIN = 3.4V ICCD Dynamic Power Supply Current(3) VCC = Max. VIN = VCC — 0.4 0.6 mA/MHz InputToggling VIN = GND 50% Duty Cycle OutputsOpen IC TotalPowerSupplyCurrent(5) VCC = Max. VIN = VCC — 20 30.5(4) mA InputToggling VIN = GND 50% Duty Cycle OutputsOpen VIN = 3.4V — 20.3 31.3(4) fI = 50MHz VIN = GND |
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