IDT54FCT543AD 데이터 시트보기 (PDF) - Integrated Device Technology
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IDT54FCT543AD Datasheet PDF : 7 Pages
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IDT54/74FCT543/A/C
FAST CMOS OCTAL LATCHED TRANSCEIVER
MILITARY AND COMMERCIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS VLC = 0.2V; VHC = VCC – 0.2V
Symbol
Parameter
Test Conditions(1)
ICC
∆ICC
ICCD
IC
Quiescent Power
Supply Current
Quiescent Power Supply
Current TTL Inputs HIGH
Dynamic Power Supply Current(4)
Total Power Supply Current(6)
VCC = Max.
VIN ≥ VHC; VIN ≤ VLC
VCC = Max., VIN = 3.4V(3)
VCC = Max., Outputs Open
CEAB and OEAB = GND
CEBA = VCC
One Input Toggling
50% Duty Cycle
VCC = Max., Outputs Open
fCP = 10MHz (LEAB)
50% Duty Cycle
CEAB and OEAB = GND
CEBA = VCC
One Bit Toggling
at fi = 5MHz
50% Duty Cycle
VIN ≥ VHC
VIN ≤ VLC
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
VCC = Max., Outputs Open
fCP = 10MHz (LEAB)
50% Duty Cycle
CEAB and OEAB = GND
CEBA = VCC
Eight Bits Toggling
at fi = 5MHz
50% Duty Cycle
VIN ≥ VHC
VIN ≤ VLC
(FCT)
VIN = 3.4V
VIN = GND
Min.
—
Typ.(2)
0.2
Max.
1.5
—
0.5
2.0
—
0.15 0.25
—
1.7
4.0
—
2.2
6.0
—
7.0
12.8(5)
—
9.2
21.8(5)
Unit
mA
mA
mA/
MHz
mA
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(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 Input 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.
2614 tbl 06
7.17
4
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