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IDT74FCT164245TPA Datasheet(PDF) 6 Page - Integrated Device Technology |
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IDT74FCT164245TPA Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 9 page 8.16 6 IDT54/74FCT164245T FAST CMOS 16-BIT BIDIRECTIONAL 3.3V-TO-5V TRANSLATOR MILITARY AND COMMERCIAL TEMPERATURE RANGES 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 VCC1= 5.0V, VCC2= 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 = ICC1+ ICC2 + ∆ICC DHNT + ICCD (fCPNCP/2 + fiNi) ICC1= Quiescent Current (ICC1L, ICC1H and ICC1Z) ICC2= Quiescent Current (ICC2L, ICC2H and ICC2Z) ∆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 2555 tbl 07 Symbol Parameter Test Conditions(1) Min. Typ.(2) Max. Unit ∆ICC Quiescent Power Supply Current TTL Inputs HIGH VCC1 = Max., VCC2 = Max., VIN = VCC2 -0.6V(3) —12 30 µA ICCD Dynamic Power Supply Current(4) VCC1 = Max., VCC2 = Max. Outputs Open x OE = xDIR = GND One Input Toggling 50% Duty Cycle VIN = VCC2 VIN = GND — 75 120 µA/ MHz IC Total Power Supply Current(6) VCC1 = Max., VCC2 = Max. Outputs Open fi = 10MHz VIN = VCC2 - 0.6V VIN = GND — 1.2 4.7 mA 50% Duty Cycle x OE = xDIR = GND One Bit Toggling VCC1 = Max., VCC2 = Max Outputs Open fi = 2.5MHz VIN = VCC2 - 0.6V VIN = GND — 3.5 8.5(5) 50% Duty Cycle x OE = xDIR = GND Sixteen Bits Toggling |
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