IDT54FCT162500AT 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT162500AT Datasheet PDF : 8 Pages
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IDT54/74FCT16500AT/CT/ET, 162500AT/CT/ET
FAST CMOS 18-BIT REGISTERED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
∆ICC
ICCD
Quiescent Power Supply
Current TTL Inputs HIGH
Dynamic Power Supply Current(4)
VCC = Max.
VIN = 3.4V(3)
VCC = Max., Outputs Open VIN = VCC
OEAB = OEBA = VCC or GND VIN = GND
One Input Toggling
50% Duty Cycle
IC
Total Power Supply Current(6)
VCC = Max., Outputs Open VIN = VCC
fCP = 10MHz (CLKAB)
VIN = GND
50% Duty Cycle
OEAB = OEBA = VCC
LEAB = GND
VIN = 3.4V
One Bit Toggling
VIN = GND
fi = 5MHz
50% Duty Cycle
VCC = Max., Outputs Open
fCP = 10MHz (CLKAB)
50% Duty Cycle
OEAB = OEBA = VCC
LEAB = GND
Eighteen Bits Toggling
fi = 2.5MHz
50% Duty Cycle
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
Min.
—
—
—
—
—
—
Typ.(2)
0.5
Max.
1.5
75
120
0.8
1.7
1.3
3.2
3.8
6.5(5)
8.5
20.8(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
Unit
mA
µA/
MHz
mA
2548 tbl 08
5.9
5
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