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IDT54FCT824BSOB Datasheet(PDF) 5 Page - Integrated Device Technology |
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IDT54FCT824BSOB Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 8 page IDT54/74FCT821/823/824/825A/B/C HIGH-PERFORMANCE CMOS BUS INTERFACE REGISTERS MILITARY AND COMMERCIAL TEMPERATURE RANGES 7.19 5 POWER SUPPLY CHARACTERISTICS VLC = 0.2V; VHC = VCC – 0.2V NOTES: 2608 tbl 07 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 = 5.0V, +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 ICC formula. These limits are guaranteed but not tested. 6. IC = IQUIESCENT + IINPUTS + IDYNAMIC IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fiNi) ICC = Quiescent Current ∆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) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fi = Input Frequency Ni = Number of Inputs at fi All currents are in milliamps and all frequencies are in megahertz. Symbol Parameter Test Conditions(1) Min. Typ.(2) Max. Unit ICC Quiescent Power Supply Current VCC = Max. VIN ≥ VHC; V IN ≤ VLC — 0.2 1.5 mA ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = 3.4V(3) — 0.5 2.0 mA ICCD Dynamic Power Supply Current(4) VCC = Max. Outputs Open OE = EN = GND One Input Toggling 50% Duty Cycle VIN ≥ VHC VIN ≤ VLC — 0.15 0.25 mA/ MHz IC Total Power Supply Current(6) VCC = Max. Outputs Open fCP = 10MHz 50% Duty Cycle VIN ≥ VHC VIN ≤ VLC (FCT) — 1.7 4.0 mA OE = EN = GND One Bit Toggling at f i = 5MHz 50% Duty Cycle VIN = 3.4V VIN = GND — 2.2 6.0 VCC = Max. Outputs Open fCP = 10MHz 50% Duty Cycle VIN ≥ VHC VIN ≤ VLC (FCT) — 4.0 7.8(5) OE = EN = GND Eight Bits Toggling at f i = 2.5MHz 50% Duty Cycle VIN = 3.4V VIN = GND — 6.2 16.8(5) |
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