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IDT54FCT162543ET Datasheet(PDF) 5 Page - Integrated Device Technology |
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IDT54FCT162543ET Datasheet(HTML) 5 Page - Integrated Device Technology |
5 / 8 page IDT54/74FCT16543T/AT/CT/ET, 162543T/AT/CT/ET FAST CMOS 16-BIT LATCHED TRANSCEIVER MILITARY AND COMMERCIAL TEMPERATURE RANGES 5.12 5 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 2618 tbl 08 POWER SUPPLY CHARACTERISTICS Symbol Parameter Test Conditions (1) Min. Typ. (2) Max. Unit ∆ICC Quiescent Power Supply VCC = Max. — 0.5 1.5 mA Current TTL Inputs HIGH VIN = 3.4V (3) ICCD Dynamic Power Supply Current (4) VCC = Max., Outputs Open VIN = VCC — 60 100 µA/ x CEAB and xOEAB = GND VIN = GND MHz x CEBA = VCC One Input Toggling 50% Duty Cycle IC Total Power Supply Current (6) VCC = Max., Outputs Open VIN = VCC — 0.6 1.5 mA fi = 10MHz VIN = GND 50% Duty Cycle x LEAB, xCEAB and x OEAB= GND VIN = 3.4V — 0.9 2.3 x CEBA = VCC VIN = GND One Bit Toggling VCC = Max., Outputs Open VIN = VCC — 2.4 4.5 (5) fi = 2.5MHz VIN = GND 50% Duty Cycle x LEAB, xCEAB and x OEAB= GND VIN = 3.4V — 6.4 16.5 (5) x CEBA = VCC VIN = GND Sixteen Bits Toggling |
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