IDT54FCT162823ATE View Datasheet(PDF) - Integrated Device Technology
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IDT54FCT162823ATE Datasheet PDF : 9 Pages
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IDT54/74FCT16823AT/BT/CT/ET, 162823AT/BT/CT/ET
FAST CMOS 18-BIT REGISTER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
∆ICC
ICCD
Parameter
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply Current(4)
Test Conditions(1)
VCC = Max.
VIN = 3.4V(3)
VCC = Max.
Outputs Open
xOE = xCLKEN = GND
One Input Toggling
50% Duty Cycle
VIN = VCC
VIN = GND
Min. Typ.(2) Max. Unit
— 0.5 1.5 mA
—
75 120 µA/
MHz
IC
Total Power Supply Current(6)
VCC = Max.
VIN = VCC
Outputs Open
VIN = GND
fCP= 10MHz
50% Duty Cycle
— 0.8 1.7 mA
xOE = xCLKEN = GND
at fi = 5MHz
50% Duty Cycle
One Bit Toggling
VIN = 3.4V
VIN = GND
— 1.3 3.2
VCC = Max.
Outputs Open
fCP= 10MHz
50% Duty Cycle
VIN = VCC
VIN = GND
—
4.2 7.1(5)
xOE = xCLKEN = GND
at fi = 2.5MHz
50% Duty Cycle
VIN = 3.4V
VIN = GND
—
9.2 22.1(5)
Eighteen Bits Toggling
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
2772 tbl 08
5.16
5
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