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PDF 74F382 Data sheet ( Hoja de datos )
| Número de pieza | 74F382 | |
| Descripción | 4-Bit Arithmetic Logic Unit | |
| Fabricantes | National Semiconductor | |
| Logotipo |  |
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August 1995
74F382
4-Bit Arithmetic Logic Unit
General Description
The ’F382 performs three arithmetic and three logic opera-
tions on two 4-bit words A and B Two additional Select
input codes force the Function outputs LOW or HIGH An
Overflow output is provided for convenience in twos com-
plement arithmetic A Carry output is provided for ripple ex-
pansion For high-speed expansion using a Carry Look-
ahead Generator refer to the ’F381 data sheet
Features
Y Performs six arithmetic and logic functions
Y Selectable LOW (clear) and HIGH (preset) functions
Y LOW input loading minimizes drive requirements
Y Carry output for ripple expansion
Y Overflow output for twos complement arithmetic
Commercial
74F382PC
74F382SC (Note 1)
74F382SJ (Note 1)
Package
Number
N20A
M20B
M20D
Package Description
20-Lead (0 300 Wide) Molded Dual-In-Line
20-Lead (0 300 Wide) Molded Small Outline JEDEC
20-Lead (0 300 Wide) Molded Small Outline EIAJ
Note 1 Devices also available in 13 reel Use suffix e SCX and SJX
Logic Symbols
IEEE IEC
Connection Diagram
Pin Assignment
for DIP and SOIC
TL F 9529– 6
C1995 National Semiconductor Corporation TL F 9529
TL F 9529–3
TL F 9529 –1
RRD-B30M105 Printed in U S A
http://www.Datasheet4U.com
1 page  
Absolute Maximum Ratings (Note 1)
Storage Temperature
b65 C to a150 C
Ambient Temperature under Bias
b55 C to a125 C
Junction Temperature under Bias
Plastic
b55 C to a175 C
b55 C to a150 C
VCC Pin Potential to
Ground Pin
b0 5V to a7 0V
Input Voltage (Note 2)
b0 5V to a7 0V
Input Current (Note 2)
b30 mA to a5 0 mA
Voltage Applied to Output
in HIGH State (with VCC e 0V)
Standard Output
TRI-STATE Output
b0 5V to VCC
b0 5V to a5 5V
Current Applied to Output
in LOW State (Max)
twice the rated IOL (mA)
Note 1 Absolute maximum ratings are values beyond which the device may
be damaged or have its useful life impaired Functional operation under
these conditions is not implied
Note 2 Either voltage limit or current limit is sufficient to protect inputs
Recommended Operating
Conditions
Free Air Ambient Temperature
Commercial
0 C to a70 C
Supply Voltage
Commercial
a4 5V to a5 5V
DC Electrical Characteristics over Operating Temperature Range unless otherwise specified
Symbol
Parameter
74F
Min Typ Max
Units VCC
Conditions
VIH
VIL
VCD
VOH
VOL
Input HIGH Voltage
Input LOW Voltage
Input Clamp Diode Voltage
Output HIGH
Voltage
Output LOW
Voltage
74F 10% VCC
74F 5% VCC
74F 10% VCC
20
25
27
V Recognized as a HIGH Signal
08 V
Recognized as a LOW Signal
b1 2 V Min IIN e b18 mA
V Min IOH e b1 mA
IOH e b1 mA
0 5 V Min IOL e 20 mA
IIH Input HIGH
Current
74F
5 0 mA Max VIN e 2 7V
IBVI Input HIGH Current 74F
Breakdown Test
7 0 mA Max VIN e 7 0V
ICEX
Output HIGH
Leakage Current
74F
50 mA Max VOUT e VCC
VID Input Leakage 74F
Test
4 75
V 0 0 IID e 1 9 mA
All Other Pins Grounded
IOD
Output Leakage
74F
Circuit Current
3 75 mA 0 0 VIOD e 150 mV
All Other Pins Grounded
IIL Input LOW Current
IOS Output Short-Circuit Current
ICC Power Supply Current
b0 6
VIN e 0 5V (S0 – S2)
b2 4 mA Max VIN e 0 5V (A0 – A3 B0 – B3)
b3 0
VIN e 0 5V (Cn)
b60
b150 mA Max VOUT e 0V
54 81 mA Max
5
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74F382.PDF ] | |
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