SN74F382DW [TI]
F/FAST SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDSO20;型号: | SN74F382DW |
厂家: | TEXAS INSTRUMENTS |
描述: | F/FAST SERIES, 4-BIT ARITHMETIC LOGIC UNIT, PDSO20 |
文件: | 总8页 (文件大小:146K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
ꢀꢁ ꢂꢃ ꢄꢅꢆ ꢇ
ꢈꢉꢊ ꢋ ꢌꢍꢎ ꢋ ꢊꢏꢐ ꢑꢒ ꢓ ꢊ ꢏꢐꢔꢁꢊ ꢋ ꢕꢄ ꢔꢁꢏꢋ ꢊ ꢒ ꢁꢐꢓ ꢎ ꢁꢎ ꢉꢈꢋꢒ ꢉ
ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
DW OR N PACKAGE
(TOP VIEW)
• Fully Parallel 4-Bit ALU in 20-Pin Package
• Ideally Suited for HIgh-Density Economical
Processors
A1
B1
V
CC
19 A2
1
2
3
4
5
6
7
8
9
10
20
• Ripple-Carry (C
) and Overflow (OVR)
n+4
Outputs
A0
18 B2
• Arithmetic and Logic Operations Selected
Specifically to Simplify System
Implementation:
17
16
15
14
13
12
11
B0
S0
S1
S2
F0
F1
GND
A3
B3
C
C
n
A Minus B
B Minus A
A Plus B
Five Other Functions
n+4
OVR
F3
F2
• Package Options Include Plastic
Small-Outline Packages and Standard
Plastic 300-mil DIPs
description
The SN74F382 is an arithmetic logic unit (ALU)/function generator that performs eight binary arithmetic/logic
operations on two 4-bit words as shown in the function table. The exclusive-OR, AND, and OR functions of the
two Boolean variables are provided without the use of external circuits. In addition, the outputs can be cleared
(low) or preset (high) as desired. The device provides a ripple-carry (C
) output to ripple the carry to the
n+4
C
input of the next stage. It detects and indicates the two’s complement overflow condition via the overflow
n
(OVR) output. OVR is logically equivalent to C
⊕ C
. When the SN74F382 is cascaded to handle word
n+3
n+4
lengths longer than four bits in length, only the most significant OVR is used.
The SN74F382 is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
SELECTION
ARITHMETIC/LOGIC
OPERATION
S2
L
S1
L
S0
L
Clear
B minus A
A minus B
A plus B
A ⊕ B
L
L
H
L
L
H
H
L
L
H
L
H
H
H
H
L
H
L
A + B
H
H
AB
H
Preset
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ꢗ
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ꢡ
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ꢊ
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ꢚ
ꢁ
ꢛ
ꢘ
ꢈ
ꢋ
ꢈ
ꢙ
ꢚ
ꢤ
ꢛ
ꢜ
ꢢ
ꢝ
ꢞ
ꢟ
ꢟ
ꢠ
ꢠ
ꢙ
ꢙ
ꢜ
ꢜ
ꢚ
ꢚ
ꢙ
ꢡ
ꢡ
ꢥ
ꢢ
ꢣ
ꢝ
ꢝ
ꢤ
ꢤ
ꢚ
ꢠ
ꢟ
ꢞ
ꢡ
ꢡ
ꢜ
ꢛ
ꢥ
ꢋꢤ
ꢣ
ꢦ
ꢡ
ꢧ
ꢙ
ꢢ
ꢟ
ꢡ
ꢠ
ꢙ
ꢠ
ꢜ
ꢝ
ꢚ
ꢣ
ꢨ
ꢟ
ꢚ
ꢠ
ꢠ
ꢤ
ꢡ
ꢩ
Copyright 1993, Texas Instruments Incorporated
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ꢞ
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ꢟ
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ꢨ
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ꢨ
ꢬ
ꢟ
ꢠ ꢤ ꢡ ꢠꢙ ꢚꢮ ꢜꢛ ꢟ ꢧꢧ ꢥꢟ ꢝ ꢟ ꢞ ꢤ ꢠ ꢤ ꢝ ꢡ ꢩ
ꢝ
ꢝ
ꢟ
ꢚ
ꢠ
ꢭ
ꢩ
ꢗ
ꢝ
ꢜ
ꢨ
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ꢢ
ꢠ
ꢙ
ꢜ
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ꢝ
ꢜ
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ꢨ
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2−1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢇ
ꢈ ꢉ ꢊꢋ ꢌ ꢍ ꢎꢋ ꢊ ꢏꢐ ꢑ ꢒ ꢓꢊ ꢏꢐ ꢔ ꢁꢊꢋ ꢕ ꢄ ꢔꢁ ꢏꢋ ꢊꢒ ꢁꢐ ꢓ ꢎꢁꢎ ꢉꢈꢋꢒ ꢉ
ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
PIN DESIGNATIONS
PIN NO.
DESIGNATION
A3, A2, A1, A0
B3, B2, B1, B0
S2, S1, S0
FUNCTION
Word A inputs
17, 19, 1, 3
16, 18, 2, 4
7, 6, 5
Word B inputs
Function-select inputs
Carry input for addition,
inverted carry input for subtraction
C
15
n
F3, F2, F1, F0
12, 11, 9, 8
Function outputs
Ripple-carry output
Overflow output
Supply voltage
Ground
C
n+4
OVR
14
13
20
10
V
CC
GND
†
logic symbol
5
6
7
ALU
S0
S1
S2
0
2
0
7
M
(1/2) B1 [1]
3 C1 [1]
15
C
n
3
8
A0
B0
A1
B1
A2
B2
P
Q
P
Q
P
Q
F0
1
4
1
9
F1
2
2
4
19
18
11
F2
BO/CO
13
14
=1
OVR
BO/CO
17
16
A3
B3
P
(1,2) BO
3CO
C
n+4
8
Q
12
F3
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
function table
Certain differences exist in the OVR and C
function table compared with similar parts from other technologies
n+4
and other vendors. No differences exist in the arithmetic modes (B minus A, A minus B, and A plus B) where
these outputs perform valuable cascade functions. There are slight differences in the other modes (clear, A + B,
A ⊕ B, AB, and preset), in which these outputs strictly don’t care.
The following function table is a condensed version and assumes for A that A0, A1, A2, and A3 inputs all agree,
n
and for B that B0, B1, B2, and B3 inputs all agree. This table is intended to point out the response of these OVR
n
n+4
and C
outputs in all modes of operation to facilitate incoming inspection.
2−2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀ ꢁꢂ ꢃꢄ ꢅꢆꢇ
ꢈꢉꢊ ꢋ ꢌꢍꢎ ꢋ ꢊꢏꢐ ꢑꢒ ꢓ ꢊ ꢏꢐꢔꢁꢊ ꢋ ꢕꢄ ꢔꢁꢏꢋ ꢊ ꢒ ꢁꢐꢓ ꢎꢁ ꢎ ꢉꢈꢋꢒ ꢉ
ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
FUNCTION TABLE
INPUTS
S0 B
n
OUTPUTS
ARITHMETIC/LOGIC
OPERATION
OVR
C
n+4
S2
S1
C
A
F3
F2
F1
F0
n
n
Clear
L
L
L
X
X
X
L
L
L
L
H
H
L
L
L
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
H
H
L
H
L
H
L
L
H
H
L
H
L
H
L
L
H
H
L
H
L
H
L
L
H
L
L
H
L
H
H
L
L
L
L
L
L
L
L
L
L
H
L
L
L
B minus A
L
L
L
L
H
H
H
H
H
H
H
H
H
L
H
L
L
L
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
H
L
H
H
L
L
H
L
H
L
H
H
L
L
H
L
H
L
H
H
L
L
H
L
H
L
L
H
L
H
H
L
L
L
L
L
L
L
L
L
L
L
H
L
H
L
H
H
L
A minus B
L
H
H
H
H
L
L
L
L
L
H
H
L
L
H
H
L
H
L
H
L
H
L
H
L
H
H
H
L
L
L
H
L
H
H
H
L
L
L
H
L
H
H
H
L
L
L
H
L
H
H
L
H
L
L
L
L
L
L
L
L
L
L
L
L
H
L
H
H
H
L
A plus B
H
H
H
H
H
L
H
X
X
L
H
X
L
L
H
H
H
L
H
L
L
H
L
H
H
H
L
L
H
H
H
L
L
H
H
H
L
L
H
H
H
L
L
L
L
H
H
L
L
L
H
H
A ⊕ B
A + B
AB
H
H
H
H
L
L
L
H
L
X
X
X
L
L
L
H
H
H
L
H
L
H
H
L
L
L
L
L
L
L
L
H
L
L
L
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
X
X
X
L
L
L
H
H
H
L
H
L
H
H
L
L
L
H
H
L
L
L
H
H
L
L
L
H
H
L
L
L
H
H
H
L
H
L
H
L
H
L
H
H
H
H
H
X
X
X
L
L
L
H
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
L
L
L
L
H
Preset
H
H
2−3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢇ
ꢈ ꢉ ꢊꢋ ꢌ ꢍ ꢎꢋ ꢊ ꢏꢐ ꢑ ꢒ ꢓꢊ ꢏꢐ ꢔ ꢁꢊꢋ ꢕ ꢄ ꢔꢁ ꢏꢋ ꢊꢒ ꢁꢐ ꢓ ꢎꢁꢎ ꢉꢈꢋꢒ ꢉ
ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
logic diagram (positive logic)
15
C
n
4
B0
8
F0
3
2
A0
B1
9
1
F1
A1
B2
18
11
19
16
F2
A2
B3
12
17
5
F3
A3
S0
13
14
OVR
C
6
7
n+4
S1
S2
2−4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀ ꢁꢂ ꢃꢄ ꢅꢆꢇ
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ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
†
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V
CC
Input voltage range, V (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −1.2 V to 7 V
I
Input current range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −30 mA to 5 mA
Voltage range applied to any output in the high state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to V
CC
Current into any output in the low state . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 mA
Operating free-air temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −65°C to 150°C
†
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTE 1: The input voltage ratings may be exceeded provided the input current ratings are observed.
recommended operating conditions
MIN NOM
MAX
UNIT
V
V
V
V
Supply voltage
4.5
2
5
5.5
CC
IH
IL
High-level input voltage
Low-level input voltage
Input clamp current
V
0.8
−18
− 1
20
V
I
I
I
mA
mA
mA
°C
IK
High-level output current
Low-level output current
Operating free-air temperature
OH
OL
T
A
0
70
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
‡
PARAMETER
TEST CONDITIONS
I = −18 mA
MIN TYP
MAX
UNIT
V
IK
V
CC
V
CC
V
CC
V
CC
V
CC
V
CC
= 4.5 V,
= 4.5 V,
= 4.75 V,
= 4.5 V,
= 5.5 V,
= 5.5 V,
−1.2
V
I
I
I
I
= − 1 mA
= − 1 mA
= 20 mA
2.5
2.7
3.4
0.3
OH
OH
OL
V
V
OH
OL
V
0.5
0.1
V
I
I
V = 7 V
I
mA
µA
I
V = 2.7 V
I
20
IH
IL
Any A or B
Any S
− 2.4
− 0.6
− 3
I
V
CC
= 5.5 V,
V = 0.5 V
I
mA
C
n
§
I
I
V
V
= 5.5 V,
= 5.5 V,
V = 0
O
−60
−150
81
mA
mA
OS
CC
CC
See Note 2
54
CC
‡
§
All typical values are at V
CC
= 5 V, T = 25°C.
A
Not more than one output should be shorted at a time, and the duration of the short circuit should not exceed one second.
NOTE 2:
I
is measured with all outputs open, S0 and C inputs at 4.5 V, and all other inputs grounded.
n
CC
2−5
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢆ ꢇ
ꢈ ꢉ ꢊꢋ ꢌ ꢍ ꢎꢋ ꢊ ꢏꢐ ꢑ ꢒ ꢓꢊ ꢏꢐ ꢔ ꢁꢊꢋ ꢕ ꢄ ꢔꢁ ꢏꢋ ꢊꢒ ꢁꢐ ꢓ ꢎꢁꢎ ꢉꢈꢋꢒ ꢉ
ꢖ
SDFS079A − D2932, MARCH 1987 − REVISED OCTOBER 1993
switching characteristics (see Note 3)
V
C
R
= 5 V,
= 50 pF,
= 500 Ω,
= 25°C
V
C
R
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
L
CC
L
L
FROM
PARAMETER
TO
(OUTPUT)
= 500Ω,
UNIT
(INPUT)
†
T
A
T
A
= MIN to MAX
MIN
2.3
2.2
2.7
2.5
4.7
3.3
3.3
3.4
3.6
5
TYP
5.3
4.6
6.9
6.1
8.3
7.5
6.6
6.3
9.8
8.6
3.9
4.8
7
MAX
11
MIN
2.3
2.2
2.4
2.3
4.3
3.3
3.3
3
MAX
12
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
PLH
PHL
C
Any F
Any F
Any F
ns
ns
ns
ns
ns
ns
ns
ns
n
7.5
12
8.5
13
Any A or B
S0, S1, S2
Any A or B
S0, S1, S2
10
11
15
17
14
15
10
11
C
n+4
10
10.5
17.5
14
16.5
13
3
OVR or C
n+4
4.6
2
2.2
3
5.5
6.5
11
6.5
7.5
12.5
8
C
n
C
n+4
2.6
3
3.3
3
C
n
OVR
OVR
5
6.5
13
3
5.1
3.3
8.8
6.9
4.7
3.3
15
Any A or B
10.5
11.5
†
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
NOTE 3: Load circuits and waveforms are shown in Section 1.
2−6
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PACKAGE OPTION ADDENDUM
www.ti.com
18-Sep-2008
PACKAGING INFORMATION
Orderable Device
Status (1)
Package Package
Pins Package Eco Plan (2) Lead/Ball Finish MSL Peak Temp (3)
Qty
Type
Drawing
SN74F382N
OBSOLETE
PDIP
N
20
TBD
Call TI
Call TI
(1) The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS), Pb-Free (RoHS Exempt), or Green (RoHS & no Sb/Br) - please check
http://www.ti.com/productcontent for the latest availability information and additional product content details.
TBD: The Pb-Free/Green conversion plan has not been defined.
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Pb-Free (RoHS Exempt): This component has a RoHS exemption for either 1) lead-based flip-chip solder bumps used between the die and
package, or 2) lead-based die adhesive used between the die and leadframe. The component is otherwise considered Pb-Free (RoHS
compatible) as defined above.
Green (RoHS & no Sb/Br): TI defines "Green" to mean Pb-Free (RoHS compatible), and free of Bromine (Br) and Antimony (Sb) based flame
retardants (Br or Sb do not exceed 0.1% by weight in homogeneous material)
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDEC industry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
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Following are URLs where you can obtain information on other Texas Instruments products and application solutions:
Products
Applications
Audio
Automotive
Broadband
Digital Control
Medical
Amplifiers
Data Converters
DSP
Clocks and Timers
Interface
amplifier.ti.com
dataconverter.ti.com
dsp.ti.com
www.ti.com/clocks
interface.ti.com
logic.ti.com
www.ti.com/audio
www.ti.com/automotive
www.ti.com/broadband
www.ti.com/digitalcontrol
www.ti.com/medical
www.ti.com/military
Logic
Military
Power Mgmt
Microcontrollers
RFID
power.ti.com
microcontroller.ti.com
www.ti-rfid.com
Optical Networking
Security
Telephony
Video & Imaging
Wireless
www.ti.com/opticalnetwork
www.ti.com/security
www.ti.com/telephony
www.ti.com/video
RF/IF and ZigBee® Solutions www.ti.com/lprf
www.ti.com/wireless
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