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IDT74FCT138EB Datasheet(PDF) 3 Page - Integrated Device Technology

Part # IDT74FCT138EB
Description  FAST CMOS 1-OF-8 DECODER WITH ENABLE
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Manufacturer  IDT [Integrated Device Technology]
Direct Link  http://www.idt.com
Logo IDT - Integrated Device Technology

IDT74FCT138EB Datasheet(HTML) 3 Page - Integrated Device Technology

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IDT54/74FCT138/A/C
FAST CMOS 1-OF-8 DECODER-WITH ENABLE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
7.3
3
POWER SUPPLY CHARACTERISTICS
VLC = 0.2V; VHC = VCC – 0.2V
Symbol
Parameter
Test Conditions
(1)
Min.
Typ.
(2)
Max.
Unit
ICC
Quiescent Power Supply Current
Vcc = Max.
0.2
1.5
mA
VIN
≥ VHC; VIN ≤ VLC
∆ICC
Quiescent Power Supply Current
Vcc = Max.
0.5
2.0
mA
TTL Inputs HIGH
VIN = 3.4V
(3)
ICCD
Dynamic Power Supply Current
(4)
Vcc = Max.
VIN
≥ VHC
0.15
0.3
mA/MHz
Outputs Open
VIN
≤ VLC
One Output Toggling
50% Duty Cycle
IC
Total Power Supply Current
(5)
Vcc = Max.
VIN
≥ VHC
1.7
4.5
mA
Outputs Open
VIN
≤ VLC
Toggle
E1, E2 or E3
(FCT)
50% Duty Cycle
VIN = 3.4V
2.0
5.5
fO = 10MHz
VIN = GND
One Output Toggling
NOTES:
2581 tbl 04
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. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC +
∆ICC DHNT + ICCD (fCP/2 + fONO)
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)
fO = Output Frequency
NO = Number of Outputs at fO
All currents are in milliamps and all frequencies are in megahertz.
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified: VLC = 0.2V; VHC = VCC – 0.2V
Commercial: TA = 0
°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC = 5.0V ± 10%
Symbol
Parameter
Test Conditions
(1)
Min.
Typ.
(2)
Max.
Unit
VIH
Input HIGH Level
Guaranteed Logic HIGH Level
2.0
V
VIL
Input LOW Level
Guaranteed Logic LOW Level
0.8
V
IIH
Input HIGH Current
VCC = Max.
VI = VCC
——
5
µA
VI= 2.7V
5
(4)
IIL
Input LOW Current
VI= 0.5V
–5
(4)
VI = GND
–5
VIK
Clamp Diode Voltage
VCC = Min., IN = –18mA
–0.7
–1.2
V
IOS
Short Circuit Current
VCC = Max.
(3), VO = GND
–60
–120
mA
VOH
Output HIGH Voltage
VCC = 3V, VIN = VLC or VHC, IOH = –32
µAVHC
VCC
—V
VCC = Min.
IOH = –300
µAVHC
VCC
VIN = VIH or VIL
IOH = –12mA MIL.
2.4
4.3
IOH = –15mA COM’L.
2.4
4.3
VOL
Output LOW Voltage
VCC = 3V, VIN = VLC or VHC, IOL = 300
µA
GND
VLC
V
VCC = Min.
IOL = 300
µA
GND
VLC
(4)
VIN = VIH or VIL
IOL = 32mA MIL.
0.3
0.5
IOL = 48mA COM’L.
0.3
0.5
NOTES:
2581 tbl 03
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 and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the short circuit test should not exceed one second.
4. This parameter is guaranteed but not tested.


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