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IDT74FCT16270TPVB Datasheet(PDF) 6 Page - Integrated Device Technology |
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IDT74FCT16270TPVB Datasheet(HTML) 6 Page - Integrated Device Technology |
6 / 9 page 5.15 6 IDT54/74FCT162701T/AT FAST CMOS 18-BIT R/W BUFFER MILITARY AND COMMERCIAL TEMPERATURE RANGES POWER SUPLY CHARACTERISTICS 2915 tbl 06 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 (CLK) X fCP + ICCD (O/P) x fO NO 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 D ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fO = Output Frequency NO = Number of Outputs at fO 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 (CLK) Dynamic Power Supply Current due to clock switching(4) VCC = Max. Outputs Open CLK Toggling 50% Duty Cycle VIN = VCC VIN = GND — 180 240 µA/ MHz ICCD (O/P) Dynamic Power Supply Current due to output switching(4) One Bit Toggling 50% Duty Cycle — 80 120 IC Total Power Supply Current(6) VCC = Max. Outputs Open fCP= 10MHz 50% Duty Cycle VIN = VCC VIN = GND — 1.8 2.9(5) mA OEAB = GND; OEBA = VCC LE = WCE = RCE = GND RESET = VCC All Inputs Low VIN = 3.4V VIN = GND — 2.1 3.7(5) VCC = Max. Outputs Open fCP= 10MHz 50% Duty Cycle VIN = VCC VIN = GND — 2.2 3.5 OEAB = GND; OEBA = VCC LE = WCE = RCE = GND RESET = VCC One Bit Toggling at fo = 5MHz 50% Duty Cycle VIN = 3.4V VIN = GND — 2.7 5.0 |
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