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IDT54FCT299CTPB Datasheet(PDF) 4 Page - Integrated Device Technology |
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IDT54FCT299CTPB Datasheet(HTML) 4 Page - Integrated Device Technology |
4 / 7 page 6.11 4 IDT54/74FCT299T/AT/CT FAST CMOS 8-INPUT UNIVERSAL SHIFT REGISTER MILITARY AND COMMERCIAL TEMPERATURE RANGES POWER SUPPLY CHARACTERISTICS Symbol Parameter Test Conditions (1) Min. Typ. (2) Max. Unit ∆ICC Quiescent Power Supply Vcc = Max. — 0.5 2.0 mA Current TTL Inputs HIGH VIN = 3.4V (3) ICCD Dynamic Power Supply Vcc = Max. VIN = VCC — 0.15 0.25 mA/MHz Current (4) Outputs Open VIN = GND OE1 = OE2 = GND MR = VCC S0 = S1 = VCC DS0 = DS1 = GND One Input Toggling 50% Duty Cycle IC Total Power Supply Vcc = Max. VIN = VCC — 1.5 3.5 mA Current (6) Outputs Open VIN = GND fCP = 10MHz 50% Duty Cycle OE1 = OE2 = GND MR = VCC S0 = S1 = VCC DS0 = DS7 = GND VIN = 3.4V — 2.0 5.5 One Bit Toggling VIN = GND at fi = 5MHz 50% Duty Cycle Vcc = Max. VIN = VCC — 3.8 7.3 (5) Outputs Open VIN = GND fCP = 10MHz 50% Duty Cycle OE1 = OE2 = GND MR = VCC S0 = S1 = VCC DS0 = DS7 = GND VIN = 3.4V — 6.0 16.3 (5) Eight Bits Toggling VIN = GND at fi = 2.5MHz 50% Duty Cycle NOTES: 2632 tbl 06 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 (fCP/2 + fiNi) ICC = Quiescent Current ∆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 Output Transition Pair (HLH or LHL) fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices) fi = Input Frequency Ni = Number of Inputs at fi All currents are in milliamps and all frequencies are in megahertz. |
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