IDT54FCT138P 查看數據表（PDF） - Integrated Device Technology
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IDT54FCT138P Datasheet PDF : 6 Pages
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IDT54/74FCT138/A/C
FAST CMOS 1-OF-8 DECODER-WITH ENABLE
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN DESCRIPTION
Pin Names
Description
A0–A2
E1, E2
Address Inputs
Enable Inputs (Active LOW)
E3
O0–O7
Enable Input (Active HIGH)
Outputs (Active LOW)
2581 tbl 05
FUNCTION TABLE
Inputs
E1
E2
E3
A0
A1
A2
O0
O1
O2
H
X
X
X
X
X
H
H
H
X
H
X
X
X
X
H
H
H
X
X
L
X
X
X
H
H
H
L
L
H
L
L
L
L
H
H
L
L
H
H
L
L
H
L
H
L
L
H
L
H
L
H
H
L
L
L
H
H
H
L
H
H
H
L
L
H
L
L
H
H
H
H
L
L
H
H
L
H
H
H
H
L
L
H
L
H
H
H
H
H
L
L
H
H
H
H
H
H
H
Outputs
O3
O4
O5
O6
O7
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
H
H
H
H
H
L
2581 tbl 06
ABSOLUTE MAXIMUM RATINGS(1)
Symbol
Rating
VTERM(2) Terminal Voltage
with Respect
to GND
VTERM(3) Terminal Voltage
with Respect
to GND
Commercial Military Unit
–0.5 to +7.0 –0.5 to +7.0 V
–0.5 to VCC –0.5 to VCC V
TA
Operating
Temperature
0 to +70 –55 to +125 °C
TBIAS
Temperature
Under Bias
–55 to +125 –65 to +135 °C
TSTG
Storage
Temperature
–55 to +125 –65 to +150 °C
PT
Power Dissipation
0.5
0.5
W
IOUT
DC Output Current
120
120
mA
NOTES:
2581 tbl 01
1. Stresses greater than those listed under ABSOLUTE MAXIMUM
RATINGS may cause permanent damage to the device. This is a stress
rating only and functional operation of the device at these or any other
conditions above those indicated in the operational sections of this
specification is not implied. Exposure to absolute maximum rating
conditions for extended periods may affect reliability. No terminal voltage
may exceed VCC by +0.5V unless otherwise noted.
2. Inputs and VCC terminals only.
3. Outputs and I/O terminals only.
CAPACITANCE (TA = +25°C, f = 1.0MHz)
Symbol Parameter(1) Conditions Typ. Max. Unit
CIN
Input Capacitance VIN = 0V
6 10 pF
COUT Output Capacitance VOUT = 0V 8 12 pF
NOTE:
2581 tbl 02
1. This parameter is guaranteed characterization data and not tested.
7.3
2
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