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IDT54FCT3827A Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT54FCT3827A Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 7 page IDT54/74FCT3827A/B 3.3V CMOS OCTAL BUFFERS MILITARY AND COMMERCIAL TEMPERATURE RANGES 8.15 4 POWER SUPPLY CHARACTERISTICS 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 = 3.3V, +25 °C ambient. 3. Per TTL driven input; 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 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 3092 tbl 06 Symbol Parameter Test Conditions(1) Min. Typ.(2) Max. Unit ∆ICC Quiescent Power Supply Current VCC = Max. VIN = VCC –0.6V(3) — 2.0 30 µA ICCD Dynamic Power Supply Current(4) VCC = Max. Outputs Open OE1 = OE2 = GND One Input Toggling 50% Duty Cycle VIN = VCC VIN = GND —60 85 µA/ MHz IC Total Power Supply Current(6) VCC = Max. Outputs Open fi = 10MHz VIN = VCC VIN = GND — 0.6 0.9 mA 50% Duty Cycle OE1 = OE2 = GND One Bit Toggling VIN = VCC –0.6V VIN = GND — 0.6 0.9 VCC = Max. Outputs Open fi = 2.5MHz VIN = VCC VIN = GND — 1.5 2.1(5) 50% Duty Cycle OE1 = OE2 = GND Ten Bits Toggling VIN = VCC –0.6V VIN = GND — 1.5 2.3(5) |
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