IDT74FCT163245CPA Просмотр технического описания (PDF) - Integrated Device Technology
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IDT74FCT163245CPA Datasheet PDF : 7 Pages
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IDT74FCT163245A/C
3.3V CMOS 16-BIT BIDIRECTIONAL TRANSCEIVER
INDUSTRIAL TEMPERATURE RANGE
POWER SUPPLY CHARACTERISTICS
Symbol
∆ICC
ICCD
Parameter
Quiescent Power Supply Current
TTL Inputs HIGH
Dynamic Power Supply
Current(4)
IC
Total Power Supply Current(6)
Test Conditions(1)
VCC = Max.
VIN = VCC - 0.6V(3)
VCC = Max.
Outputs Open
xOE = xDIR = GND
One Input Togging
50% Duty Cycle
VIN = VCC
VIN = GND
VCC = Max.,Outputs Open
fI = 10MHz
50% Duty Cycle
VIN = VCC
VIN = GND
xOE = xDIR = GND
One Bit Toggling
VCC = Max.,Outputs Open
fI = 2.5MHz
50% Duty Cycle
VIN = VCC - 0.6V
VIN = GND
VIN = VCC
VIN = GND
xOE = xDIR = GND
Sixteen Bits Toggling
VIN = VCC - 0.6V
VIN = GND
Min. Typ.(2) Max.
—
2
30
—
50
75
—
0.5
0.8
—
0.5
0.8
—
2
3(5)
—
2
3.3(5)
NOTES:
1. For conditions shown as Min. or Max., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, +25°C ambient.
3. Per TTL driven input. 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
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
µA
µA/
MHz
mA
4
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