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IDT74FCT16646ATPFB Datasheet(PDF) 6 Page - Integrated Device Technology |
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IDT74FCT16646ATPFB Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 9 page 5.13 6 IDT54/74FCT16646T/AT/CT/ET, 162646T/AT/CT/ET FAST CMOS 16-BIT BUS TRANSCEIVER/REGISTER MILITARY AND COMMERCIAL TEMPERATURE RANGES POWER SUPPLY CHARACTERISTICS 2540 tbl 08 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 = 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 (fCPNCP/2 + fiNi) 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) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) NCP = Number of Clock Inputs at fCP fi = Input Frequency Ni = Number of Inputs at fi Symbol Parameter Test Conditions(1) Min. Typ.(2) Max. Unit ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC = Max. VIN = 3.4V(3) — 0.5 1.5 mA ICCD Dynamic Power Supply Current(4) VCC = Max. Outputs Open xDIR = x OE= GND One Input Toggling 50% Duty Cycle VIN = VCC VIN = GND — 75 120 µA/ MHz IC Total Power Supply Current(6) VCC = Max. Outputs Open fCP = 10MHz (xCLKBA) 50% Duty Cycle VIN = VCC VIN = GND — 0.8 1.7 mA xDIR = x OE = GND One Bit Toggling fi = 5MHz 50% Duty Cycle VIN = 3.4V VIN = GND — 1.3 3.2 VCC = Max. Outputs Open fCP = 10MHz (xCLKBA) 50% Duty Cycle VIN = VCC VIN = GND — 3.8 6.5(5) xDIR = x OE = GND Sixteen Bits Toggling fi = 2.5MHz 50% Duty Cycle VIN = 3.4V VIN = GND — 8.3 20.0(5) |
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