Integrated Device Technology Inc IDT54FCT139P, IDT54FCT139PB, IDT54FCT139SO, IDT54FCT139SOB, IDT54FCT139D Datasheet
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IDT54/74FCT139/A/C
FAST CMOS DUAL 1-0F-4®DECODER WITH ENABLE
FAST CMOS DUAL
1-OF-4 DECODER
WITH ENABLE
Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
IDT54/74FCT139
IDT54/74FCT139A
IDT54/74FCT139C
FEATURES: |
DESCRIPTION: |
•IDT54/74FCT139 equivalent to FAST™ speed
•IDT54/74FCT139A 35% faster than FAST
•IDT54/74FCT139C 45% faster than FAST
•Equivalent to FAST output drive over full temperature and voltage supply extremes
•IOL = 48mA (commercial) and 32mA (military)
•CMOS power levels (1mW typ. static)
•TTL input and output level compatible
•CMOS output level compatible
•Substantially lower input current levels than FAST (5μA max.)
•JEDEC standard pinout for DIP and LCC
•Product available in Radiation Tolerant and Radiation Enhanced versions
•Military product compliant to MIL-STD-883, Class B
The IDT54/74FCT139/A/C are dual 1-of-4 decoders built using an advanced dual metal CMOS technology. These devices have two independent decoders, each of which accept two binary weighted inputs (A0-A1) and provide four mutually exclusive active LOW outputs (O0-O3). Each decoder has an active LOW enable (E). When E is HIGH, all outputs are forced HIGH.
FUNCTIONAL BLOCK DIAGRAM |
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PIN CONFIGURATIONS |
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Ea |
1 |
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16 |
VCC |
Ea |
A0a A1a |
Eb |
A0b A1b |
A0a |
2 |
P16-1 |
15 |
Eb |
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A1a |
3 |
14 |
A0b |
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D16-1 |
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O0a |
4 |
SO16-1 |
13 |
A1b |
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O1a |
5 |
& |
12 |
O0b |
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E16-1 |
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O2a |
6 |
11 |
O1b |
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O3a |
7 |
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10 |
O2b |
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GND |
8 |
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9 |
O3b |
DIP/SOIC/CERPACK
TOP VIEW
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INDEX |
A0a |
Ea |
NC |
VCC |
Eb |
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O0a O1a O2a |
O3a O0b O1b O2b |
O3b |
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2605 cnv* 03 |
A1a |
3 |
2 |
1 |
20 19 |
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4 |
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18 |
A0b |
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O0a |
5 |
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17 |
A1b |
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NC |
6 |
L20-2 |
16 |
NC |
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O1a |
7 |
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15 |
O0b |
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O2a |
8 |
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14 |
O1b |
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9 |
10 11 12 13 |
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O3a |
GND |
NC |
O3b |
O2b |
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LCC
TOP VIEW
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
FAST is a trademark of National Semiconductor Co.
2605 cnv* 01
2605 cnv* 02
MILITARY AND COMMERCIAL TEMPERATURE RANGES |
MAY 1992 |
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©1992 Integrated Device Technology, Inc. |
7.4 |
DSC 4613/3 |
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7.4 |
1 |
1 |
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IDT54/74FCT139/A/C |
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FAST CMOS DUAL 1-0F-4 DECODER WITH ENABLE |
MILITARY AND COMMERCIAL TEMPERATURE RANGES |
TRUTH TABLE(1) |
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PIN DESCRIPTION |
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Inputs |
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Outputs |
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Pin Names |
Description |
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E |
A0 |
A1 |
O0 |
O1 |
O2 |
O3 |
A0, A1 |
Address Inputs |
H |
X |
X |
H |
H |
H |
H |
E |
Enable Input (Active LOW) |
L |
L |
L |
L |
H |
H |
H |
O0 - O3 |
Outputs (Active LOW) |
L |
H |
L |
H |
L |
H |
H |
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2605 tbl 04 |
L |
L |
H |
H |
H |
L |
H |
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L |
H |
H |
H |
H |
H |
L |
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NOTE: |
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2605 tbl 05 |
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1.H = HIGH Voltage Level L = LOW Voltage Level X = Don’t Care
ABSOLUTE MAXIMUM RATINGS(1)
Symbol |
Rating |
Commercial |
Military |
Unit |
VTERM(2) |
Terminal Voltage |
–0.5 to +7.0 |
–0.5 to +7.0 |
V |
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with Respect to |
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GND |
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VTERM(3) |
Terminal Voltage |
–0.5 to VCC |
–0.5 to VCC |
V |
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with Respect to |
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GND |
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TA |
Operating |
0 to +70 |
–55 to +125 |
°C |
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Temperature |
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TBIAS |
Temperature |
–55 to +125 |
–65 to +135 |
°C |
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Under Bias |
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TSTG |
Storage |
–55 to +125 |
–65 to +150 |
°C |
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Temperature |
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PT |
Power |
0.5 |
0.5 |
W |
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Dissipation |
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IOUT |
DC Output |
120 |
120 |
mA |
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Current |
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NOTES: |
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2605 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.Input 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 |
VIN = 0V |
6 |
10 |
pF |
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Capacitance |
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COUT |
Output |
VOUT = 0V |
8 |
12 |
pF |
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Capacitance |
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NOTE: |
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2605 tbl 02 |
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1. This parameter is measured at characterization but not tested.
7.4 |
2 |
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