SN74ALS243ANSRE4 [TI]
ALS SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14, GREEN, PLASTIC, SOP-14;
| 型号： | SN74ALS243ANSRE4 |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | ALS SERIES, 4-BIT TRANSCEIVER, TRUE OUTPUT, PDSO14, GREEN, PLASTIC, SOP-14 光电二极管 输出元件 逻辑集成电路 |
| 文件： | 总16页 (文件大小：834K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
ꢀꢁ ꢂꢃ ꢄꢅ ꢀ ꢆꢃ ꢇ ꢄꢈ ꢉꢀ ꢁꢊ ꢃ ꢄꢅ ꢀ ꢆꢃ ꢇꢄ
ꢋ ꢌꢄꢍꢎ ꢌꢏꢅ ꢐꢉ ꢑꢌꢀꢉ ꢒ ꢎꢄ ꢁꢀꢓ ꢐꢔ ꢕ ꢐꢎ ꢀ
ꢖ ꢔꢒ ꢗꢉ ꢇ ꢘꢀꢒꢄꢒ ꢐꢉ ꢙꢌ ꢒꢏ ꢌꢒ ꢀ
SDAS069B − DECEMBER 1982 − REVISED DECEMBER 1994
SN54ALS243A . . . J PACKAGE
SN74ALS243A . . . D OR N PACKAGE
(TOP VIEW)
• Two-Way Asynchronous Communication
Between Data Buses
• pnp Inputs Reduce dc Loading
• Package Options Include Plastic
Small-Outline (D) Packages, Ceramic Chip
Carriers (FK), and Standard Plastic (N) and
Ceramic (J) 300-mil DIPs
OEAB
NC
V
CC
1
2
3
4
5
6
7
14
13
12
11
10
9
OEBA
NC
B1
A1
A2
A3
B2
description
A4
B3
GND
B4
8
These quadruple bus transceivers are designed
for asynchronous two-way communication
between data buses. The control-function
implementation allows for maximum flexibility in
timing. These devices allow data transmission
from the A bus to the B bus or from the B bus to the
A bus depending upon the logic levels at the
output-enable (OEBA and OEAB) inputs. The
output-enable inputs can be used to disable the
device so that the buses are effectively isolated.
SN54ALS243A . . . FK PACKAGE
(TOP VIEW)
3
2
1
20 19
18
NC
NC
B1
A1
NC
A2
4
5
6
7
8
17
16
15
14
The dual-enable configuration gives the
quadruple bus transceivers the capability to store
data by simultaneously enabling OEBA and
OEAB. Each output reinforces its input in this
transceiver configuration. When both control
inputs are enabled and all other data sources to
the two sets of bus lines are at high impedance,
both sets of bus lines (eight in all) retain their
states. The 4-bit codes appearing on the two sets
of buses are identical.
NC
B2
NC
A3
9 10 11 12 13
NC − No internal connection
The SN54ALS243A is characterized for operation over the full military temperature range of −55°C to 125°C.
The SN74ALS243A is characterized for operation from 0°C to 70°C.
FUNCTION TABLE
INPUTS
FUNCTION
OEBA
OEAB
L
H
H
L
H
L
A to B
B to A
Isolation
Latch A and B
(A = B)
L
H
ꢏ
ꢏ
ꢎ
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ꢍ
ꢤ
ꢌ
ꢓ
ꢢ
ꢒ
ꢣ
ꢔ
ꢝ
ꢙ
ꢛ
ꢁ
ꢜ
ꢍ
ꢄ
ꢒ
ꢄ
ꢚ
ꢛ
ꢥ
ꢜ
ꢝ
ꢣ
ꢞ
ꢟ
ꢠ
ꢠ
ꢡ
ꢡ
ꢚ
ꢚ
ꢝ
ꢝ
ꢛ
ꢛ
ꢚ
ꢢ
ꢢ
ꢦ
ꢣ
ꢤ
ꢞ
ꢞ
ꢥ
ꢥ
ꢛ
ꢡ
ꢠ
ꢟ
ꢢ
ꢢ
ꢝ
ꢜ
ꢦ
ꢒꢥ
ꢤ
ꢧ
ꢢ
ꢨ
ꢚ
ꢣ
ꢠ
ꢢ
ꢡ
ꢚ
ꢡ
ꢝ
ꢞ
ꢛ
ꢤ
ꢩ
ꢠ
ꢛ
ꢡ
ꢡ
ꢥ
ꢢ
ꢪ
Copyright 1994, Texas Instruments Incorporated
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ꢫ
ꢡ
ꢥ
ꢞ
ꢝ
ꢜ
ꢬ
ꢠ
ꢔ
ꢛ
ꢟ
ꢥ
ꢢ
ꢡ
ꢠ
ꢛ
ꢩ
ꢠ
ꢞ
ꢩ
ꢭ
ꢠ
ꢡ ꢥ ꢢ ꢡꢚ ꢛꢯ ꢝꢜ ꢠ ꢨꢨ ꢦꢠ ꢞ ꢠ ꢟ ꢥ ꢡ ꢥ ꢞ ꢢ ꢪ
ꢞ
ꢞ
ꢠ
ꢛ
ꢡ
ꢮ
ꢪ
ꢏ
ꢞ
ꢝ
ꢩ
ꢤ
ꢣ
ꢡ
ꢚ
ꢝ
ꢛ
ꢦ
ꢞ
ꢝ
ꢣ
ꢥ
ꢢ
ꢢ
ꢚ
ꢛ
ꢯ
ꢩ
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ꢥ
1
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢀꢆ ꢃ ꢇꢄ ꢈ ꢉ ꢀꢁ ꢊꢃ ꢄꢅ ꢀ ꢆ ꢃ ꢇ ꢄ
ꢋꢌ ꢄ ꢍꢎ ꢌ ꢏꢅꢐ ꢉ ꢑ ꢌꢀ ꢉ ꢒꢎꢄꢁ ꢀꢓ ꢐꢔ ꢕ ꢐꢎ ꢀ
ꢖꢔ ꢒ ꢗ ꢉꢇ ꢘꢀ ꢒꢄꢒꢐ ꢉ ꢙ ꢌꢒ ꢏꢌꢒ ꢀ
SDAS069B − DECEMBER 1982 − REVISED DECEMBER 1994
†
logic symbol
logic diagram (positive logic)
13
1
13
11
OEBA
OEAB
EN1
EN2
OEAB
OEBA
B1
1
3
A1
3
11
10
1
A1
B1
B2
2
4
5
A2
A3
4
10
A2
B2
9
8
B3
B4
6
5
9
8
A4
A3
B3
B4
†
This symbol is in accordance with ANSI/IEEE Std 91-1984 and
IEC Publication 617-12.
6
A4
Pin numbers shown are for the D, J, and N packages.
‡
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage, V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
CC
Input voltage, V : All inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
I
I/O ports . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5.5 V
Operating free-air temperature range, T : SN54ALS243A . . . . . . . . . . . . . . . . . . . . . . . . . . . . −55°C to 125°C
A
SN74ALS243A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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.
recommended operating conditions
SN54ALS243A
MIN NOM MAX
SN74ALS243A
MIN NOM MAX
UNIT
V
V
V
Supply voltage
4.5
2
5
5.5
4.5
2
5
5.5
V
V
CC
High-level input voltage
Low-level input voltage
High-level output current
Low-level output current
Operating free-air temperature
IH
0.7
−12
12
0.8
−15
24
V
IL
I
I
mA
mA
°C
OH
OL
T
A
−55
125
0
70
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂꢃ ꢄꢅ ꢀ ꢆꢃ ꢇ ꢄꢈ ꢉꢀ ꢁꢊ ꢃ ꢄꢅ ꢀ ꢆꢃ ꢇꢄ
ꢋ ꢌꢄꢍꢎ ꢌꢏꢅ ꢐꢉ ꢑꢌꢀꢉ ꢒ ꢎꢄ ꢁꢀꢓ ꢐꢔ ꢕ ꢐꢎ ꢀ
ꢖ ꢔꢒ ꢗꢉ ꢇ ꢘꢀꢒꢄꢒ ꢐꢉ ꢙ ꢌꢒ ꢏꢌ ꢒꢀ
SDAS069B − DECEMBER 1982 − REVISED DECEMBER 1994
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
SN54ALS243A
SN74ALS243A
PARAMETER
TEST CONDITIONS
UNIT
†
†
MIN TYP
MAX
MIN TYP
MAX
V
V
V
V
= 4.5 V,
I = −18 mA
−1.2
−1.2
V
IK
CC
I
= 4.5 V to 5.5 V,
I
I
I
I
I
I
= −0.4 mA
= −3 mA
= −12 mA
= −15 mA
= 12 mA
V
−2
V
−2
CC
OH
OH
OH
OH
OL
OL
CC
2.4
CC
2.4
3.2
3.2
V
OH
2
V
CC
= 4.5 V
2
0.25
0.4
0.25
0.35
0.4
0.5
0.1
0.1
20
V
OL
V
CC
V
CC
V
CC
= 4.5 V
= 5.5 V
= 5.5 V,
V
= 24 mA
Control inputs
A or B ports
V = 7 V
I
0.1
0.1
I
I
mA
µA
I
V = 5.5 V
I
Control inputs
20
V = 2.7 V
I
IH
‡
A or B ports
Control inputs
20
20
−0.1
−0.1
−112
30
−0.1
−0.1
−112
25
I
I
V
V
= 5.5 V,
= 5.5 V,
V = 0.4 V
I
mA
mA
IL
CC
‡
A or B ports
§
V
O
= 2.25 V
−20
−30
O
CC
Outputs high
Outputs low
15
20
21
15
20
21
I
V
CC
= 5.5 V
35
30
mA
CC
Outputs disabled
37
32
†
‡
§
All typical values are at V
CC
= 5 V, T = 25°C.
A
IH IL
For I/O ports, the parameters I and I include the off-state output current.
The output conditions have been chosen to produce a current that closely approximates one half of the true short-circuit output current, I
.
OS
switching characteristics (see Figure 1)
V
C
= 4.5 V to 5.5 V,
= 50 pF,
CC
L
R1 = 500 Ω,
R2 = 500 Ω,
T
A
FROM
TO
(OUTPUT)
PARAMETER
(INPUT)
UNIT
¶
= MIN to MAX
SN54ALS243A SN74ALS243A
MIN
4
MAX
15
15
25
25
16
27
25
25
16
27
MIN
4
MAX
11
t
t
t
t
t
t
t
t
t
t
PLH
PHL
PZH
PZL
PHZ
PLZ
PZH
PZL
PHZ
PLZ
A or B
OEAB
OEAB
OEBA
OEBA
ns
ns
ns
ns
ns
B or A
4
4
11
7
7
20
20
14
22
20
20
14
22
B
B
A
A
7
7
2
2
3
3
7
7
7
7
2
2
3
3
¶
For conditions shown as MIN or MAX, use the appropriate value specified under recommended operating conditions.
3
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
ꢀꢁ ꢂ ꢃꢄ ꢅ ꢀꢆ ꢃ ꢇꢄ ꢈ ꢉ ꢀꢁ ꢊꢃ ꢄꢅ ꢀ ꢆ ꢃ ꢇ ꢄ
ꢋꢌ ꢄ ꢍꢎ ꢌ ꢏꢅꢐ ꢉ ꢑ ꢌꢀ ꢉ ꢒꢎꢄꢁ ꢀꢓ ꢐꢔ ꢕ ꢐꢎ ꢀ
ꢖꢔ ꢒ ꢗ ꢉꢇ ꢘꢀ ꢒꢄꢒꢐ ꢉ ꢙ ꢌꢒ ꢏꢌꢒ ꢀ
SDAS069B − DECEMBER 1982 − REVISED DECEMBER 1994
PARAMETER MEASUREMENT INFORMATION
SERIES 54ALS/74ALS AND 54AS/74AS DEVICES
7 V
R
= R1 = R2
V
CC
L
S1
R1
R
L
Test
Point
From Output
Under Test
From Output
Under Test
Test
Point
Test
Point
From Output
Under Test
C
C
L
R
L
R2
L
C
L
(see Note A)
(see Note A)
(see Note A)
LOAD CIRCUIT FOR
BI-STATE
TOTEM-POLE OUTPUTS
LOAD CIRCUIT
FOR OPEN-COLLECTOR OUTPUTS
LOAD CIRCUIT
FOR 3-STATE OUTPUTS
3.5 V
3.5 V
Timing
Input
High-Level
1.3 V
1.3 V
1.3 V
Pulse
0.3 V
0.3 V
t
t
w
h
t
su
3.5 V
3.5 V
0.3 V
Data
Input
Low-Level
1.3 V
1.3 V
1.3 V
1.3 V
Pulse
0.3 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
3.5 V
Output
Control
(low-level
enabling)
1.3 V
1.3 V
0.3 V
3.5 V
t
PZL
Input
1.3 V
1.3 V
t
PLZ
0.3 V
PHL
[3.5 V
t
Waveform 1
S1 Closed
(see Note B)
t
PLH
1.3 V
V
OH
In-Phase
Output
1.3 V
1.3 V
1.3 V
V
OL
V
OL
0.3 V
t
PHZ
t
PLH
t
PZH
t
PHL
V
OH
V
Waveform 2
S1 Open
(see Note B)
OH
OL
Out-of-Phase
Output
(see Note C)
1.3 V
1.3 V
0.3 V
V
[0 V
VOLTAGE WAVEFORMS
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
ENABLE AND DISABLE TIMES, 3-STATE OUTPUTS
NOTES: A. includes probe and jig capacitance.
C
L
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. When measuring propagation delay items of 3-state outputs, switch S1 is open.
D. All input pulses have the following characteristics: PRR ≤ 1 MHz, t = t = 2 ns, duty cycle = 50%.
r
f
E. The outputs are measured one at a time with one transition per measurement.
Figure 1. Load Circuits and Voltage Waveforms
4
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
POST OFFICE BOX 1443 • HOUSTON, TEXAS 77251−1443
PACKAGE OPTION ADDENDUM
www.ti.com
25-Sep-2013
PACKAGING INFORMATION
Orderable Device
Status Package Type Package Pins Package
Eco Plan Lead/Ball Finish
MSL Peak Temp
Op Temp (°C)
Device Marking
Samples
Drawing
Qty
(1)
(2)
(3)
(4/5)
84013022A
ACTIVE
LCCC
FK
20
1
TBD
POST-PLATE
N / A for Pkg Type
-55 to 125
84013022A
SNJ54ALS
243AFK
8401302CA
8401302DA
ACTIVE
ACTIVE
CDIP
CFP
J
14
14
1
1
TBD
TBD
TBD
A42
A42
N / A for Pkg Type
N / A for Pkg Type
-55 to 125
-55 to 125
8401302CA
SNJ54ALS243AJ
W
8401302DA
SNJ54ALS243AW
SN74ALS243A-1N
SN74ALS243AD
OBSOLETE
NRND
PDIP
SOIC
N
D
14
14
Call TI
Call TI
0 to 70
0 to 70
50
50
Green (RoHS
& no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
ALS243A
SN74ALS243ADE4
SN74ALS243ADG4
SN74ALS243AN
NRND
NRND
NRND
NRND
NRND
NRND
NRND
ACTIVE
SOIC
SOIC
PDIP
PDIP
SO
D
D
14
14
14
14
14
14
14
20
Green (RoHS
& no Sb/Br)
CU NIPDAU
CU NIPDAU
CU NIPDAU
CU NIPDAU
CU NIPDAU
CU NIPDAU
CU NIPDAU
POST-PLATE
Level-1-260C-UNLIM
Level-1-260C-UNLIM
N / A for Pkg Type
N / A for Pkg Type
Level-1-260C-UNLIM
Level-1-260C-UNLIM
Level-1-260C-UNLIM
N / A for Pkg Type
0 to 70
0 to 70
0 to 70
0 to 70
0 to 70
0 to 70
0 to 70
-55 to 125
ALS243A
50
Green (RoHS
& no Sb/Br)
ALS243A
N
25
Pb-Free
(RoHS)
SN74ALS243AN
SN74ALS243AN
ALS243A
SN74ALS243ANE4
SN74ALS243ANSR
SN74ALS243ANSRE4
SN74ALS243ANSRG4
SNJ54ALS243AFK
N
25
Pb-Free
(RoHS)
NS
NS
NS
FK
2000
2000
2000
1
Green (RoHS
& no Sb/Br)
SO
Green (RoHS
& no Sb/Br)
ALS243A
SO
Green (RoHS
& no Sb/Br)
ALS243A
LCCC
TBD
84013022A
SNJ54ALS
243AFK
SNJ54ALS243AJ
SNJ54ALS243AW
ACTIVE
ACTIVE
CDIP
CFP
J
14
14
1
1
TBD
TBD
A42
A42
N / A for Pkg Type
N / A for Pkg Type
-55 to 125
-55 to 125
8401302CA
SNJ54ALS243AJ
W
8401302DA
SNJ54ALS243AW
(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.
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
25-Sep-2013
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.
(4) There may be additional marking, which relates to the logo, the lot trace code information, or the environmental category on the device.
(5) Multiple Device Markings will be inside parentheses. Only one Device Marking contained in parentheses and separated by a "~" will appear on a device. If a line is indented then it is a continuation
of the previous line and the two combined represent the entire Device Marking for that device.
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.
OTHER QUALIFIED VERSIONS OF SN54ALS243A, SN74ALS243A :
Catalog: SN74ALS243A
•
Military: SN54ALS243A
•
NOTE: Qualified Version Definitions:
Catalog - TI's standard catalog product
•
Military - QML certified for Military and Defense Applications
•
Addendum-Page 2
PACKAGE MATERIALS INFORMATION
www.ti.com
14-Jul-2012
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device
Package Package Pins
Type Drawing
SPQ
Reel
Reel
A0
B0
K0
P1
W
Pin1
Diameter Width (mm) (mm) (mm) (mm) (mm) Quadrant
(mm) W1 (mm)
SN74ALS243ANSR
SO
NS
14
2000
330.0
16.4
8.2
10.5
2.5
12.0
16.0
Q1
Pack Materials-Page 1
PACKAGE MATERIALS INFORMATION
www.ti.com
14-Jul-2012
*All dimensions are nominal
Device
Package Type Package Drawing Pins
SO NS 14
SPQ
Length (mm) Width (mm) Height (mm)
367.0 367.0 38.0
SN74ALS243ANSR
2000
Pack Materials-Page 2
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and other
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