ESD Protection Exceeds 2000 V Per
MIL-STD-883, Method 3015; Exceeds 200 V
Using Machine Model (C = 200 pF, R = 0)
D
T ypical V
(Output Ground Bounce) < 1 V
OLP
at VCC = 5 V, TA = 25°C
D
High-Drive Outputs (–32-mA IOH, 64-mA IOL)
D
Package Options Include Plastic
Small-Outline (DW), Shrink Small-Outline
(DB), and Thin Shrink Small-Outline (PW)
Packages, Ceramic Chip Carriers (FK),
Ceramic Flat (W) Package, and Plastic (NT)
and Ceramic (JT) DIPs
description
The ’ABT543A octal transceivers contain two sets
of D-type latches for temporary storage of data
flowing in either direction. Separate latch-enable
(LEAB
or LEBA) and output-enable (OEAB or
OEBA) inputs are provided for each register to
permit independent control in either direction of
data flow.
The A-to-B enable (CEAB) input must be low to
enter data from A or to output data from B. If CEAB
is low and LEAB is low, the A-to-B latches are
transparent; a subsequent low-to-high transition
of LEAB
With CEAB and OEAB both low, the 3-state
B outputs are active and reflect the data present
at the output of the A latches. Data flow from B to
A is similar, but requires using the CEBA
and OEBA inputs.
T o ensure the high-impedance state during power
up or power down, OE should be tied to V
through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking
capability of the driver.
puts the A latches in the storage mode.
, LEBA,
CC
SN54ABT543A . . . JT OR W PACKAGE
SN74ABT543A . . . DB, DW, NT, OR PW PACKAGE
OEBA
CEAB
SN54ABT543A . . . FK PACKAGE
A2
A3
A4
NC
A5
A6
A7
NC – No internal connection
(TOP VIEW)
LEBA
GND
1
2
3
A1
A2
4
5
A3
A4
6
7
A5
8
A6
9
A7
10
A8
11
12
(TOP VIEW)
A1
OEBA
LEBANCCEBA
3212827
426
5
6
7
8
9
10
11
12 13
14 15 16 17 18
A8
GND
CEAB
NC
24
23
22
21
20
19
18
17
16
15
14
13
CC
V
OEAB
V
CC
CEBA
B1
B2
B3
B4
B5
B6
B7
B8
LEAB
OEAB
B1
25
24
23
22
21
20
19
B8
LEAB
B2
B3
B4
NC
B5
B6
B7
The SN54ABT543A is characterized for operation over the full military temperature range of –55°C to 125°C.
The SN74ABT543A is characterized for operation from –40°C to 85°C.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
EPIC-ΙΙB is a trademark of Texas Instruments Incorporated.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
Copyright 1997, Texas Instruments Incorporated
1
SN54ABT543A, SN74ABT543A
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS157F – JANUARY 1991 – REVISED MA Y 1997
logic symbol
FUNCTION TABLE
INPUTS
CEABLEABOEABA
HXXXZ
XXHX Z
LHLXB
LLLL L
LLLHH
†
A-to-B data flow is shown; B-to-A flow control is the
same except that it uses CEBA
‡
Output level before the indicated steady-state
input conditions were established
†
OUTPUT
B
‡
0
, LEBA, and OEBA.
§
A1
A2
A3
A4
A5
A6
A7
A8
2
23
1
13
11
14
3
4
5
6
7
8
9
10
1EN3
G1
1C5
2EN4
G2
2C6
3
6D
1
5D
1
4
22
21
20
19
18
17
16
15
B1
B2
B3
B4
B5
B6
B7
B8
OEBA
CEBA
LEBA
OEAB
CEAB
LEAB
§
This symbol is in accordance with ANSI/IEEE Std 91-1984 and IEC Publication 617-12.
Pin numbers shown are for the DB, DW, JT, NT, PW, and W packages.
2
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
logic diagram (positive logic)
SN54ABT543A, SN74ABT543A
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS157F – JANUARY 1991 – REVISED MA Y 1997
A1
2
23
1
13
11
14
3
C1
1D
To Seven Other Channels
OEBA
CEBA
LEBA
OEAB
CEAB
LEAB
Pin numbers shown are for the DB, DW, JT, NT, PW, and W packages.
C1
1D
22
B1
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
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.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with EIA/JEDEC Std JESD51, except for through-hole packages,
which use a trace length of zero.
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN54ABT543A
VCC = 5 V,
TA = 25°C
MINMAX
t
w
Pulse duration, LEAB or LEBA low3.53.5ns
ore
p
ore
Data after LEAB or LEBA↑11
Data after CEAB or CEBA↑11
or
or
High2.52.5
Low33
High2.52.5
Low33
MINMAX
timing requirements over recommended ranges of supply voltage and operating free-air
temperature (unless otherwise noted) (see Figure 1)
SN74ABT543A
VCC = 5 V,
TA = 25°C
MINMAX
t
w
Pulse duration, LEAB or LEBA low3.53.5ns
ore
p
ore
Data after LEAB or LEBA↑0.50.5
Data after CEAB or CEBA↑0.50.5
or
or
High3.53.5
Low33
High3.53.5
Low33
MINMAX
UNIT
UNIT
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
5
SN54ABT543A, SN74ABT543A
A or B
B or A
ns
LEBA
LEAB
A or B
ns
OEBA
OEAB
A or B
ns
OEBA
OEAB
A or B
ns
CEBA
CEAB
A or B
ns
CEBA or CEAB
A or B
ns
A or B
B or A
ns
LEBA
LEAB
A or B
ns
OEBA
OEAB
A or B
ns
OEBA
OEAB
A or B
ns
CEBA
CEAB
A or B
ns
CEBA or CEAB
A or B
ns
OCTAL REGISTERED TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS157F – JANUARY 1991 – REVISED MA Y 1997
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
PARAMETER
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
†
This data sheet limit may vary among suppliers.
PLZ
= 50 pF (unless otherwise noted) (see Figure 1)
L
FROM
(INPUT)
or
or
or
or
TO
(OUTPUT)
SN54ABT543A
VCC = 5 V,
TA = 25°C
MINTYPMAX
†
1.6
1.6
2.5
2.5
3.2†
2.5
4.44.41.6
1.64.45.11.66.2
†
4.15.11.6
1.64.65.41.66.4
1.43.94.11.45.1
254.925.8
†
5.95.82.5
†
5.56.12.5
1.43.94.71.45.6
255.726.2
5.96.5
†
5.56.72.5
MINMAX
†
†
†
†
3.2†
†
UNIT
5.5
6.6
6.9
7.6
7.3
7.8
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, C
PARAMETER
t
PLH
t
PHL
t
PLH
t
PHL
t
PZH
t
PZL
t
PHZ
t
PLZ
t
PZH
t
PZL
t
PHZ
t
†
This data sheet limit may vary among suppliers.
PLZ
= 50 pF (unless otherwise noted) (see Figure 1)
L
FROM
(INPUT)
or
or
or
or
TO
(OUTPUT)
SN74ABT543A
VCC = 5 V,
TA = 25°C
MINTYPMAX
†
1.8
1.5
2.5
2.5
2.9†
2.4
4.45.91.8
1.94.45.91.96.9
†
4.15.61.5
2.14.66.12.17.1
1.43.95.41.46.4
2.556.52.57.5
†
5.97.42.5
†
5.572.5
1.43.95.41.46.4
2.556.52.57.5
5.97.4
†
5.572.4
MINMAX
†
†
†
†
2.9†
†
UNIT
6.9
6.6
8.4
8
8.4
8
6
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
From Output
Under Test
CL = 50 pF
(see Note A)
SN54ABT543A, SN74ABT543A
OCTAL REGISTERED TRANSCEIVERS
SCBS157F – JANUARY 1991 – REVISED MA Y 1997
PARAMETER MEASUREMENT INFORMATION
7 V
500 Ω
500 Ω
S1
Open
GND
TESTS1
t
PLH/tPHL
t
PLZ/tPZL
t
PHZ/tPZH
WITH 3-STATE OUTPUTS
Open
7 V
Open
LOAD CIRCUIT
t
w
Input
Input
Output
Output
INVERTING AND NONINVERTING OUTPUTS
1.5 V1.5 V
VOLTAGE WAVEFORMS
PULSE DURATION
1.5 V1.5 V
t
PLH
1.5 V
t
PHL
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
t
PHL
1.5 V
t
1.5 V1.5 V
PLH
3 V
0 V
3 V
0 V
V
V
V
V
OH
OL
OH
OL
Timing Input
Data Input
Output
Control
Output
Waveform 1
S1 at 7 V
(see Note B)
Output
Waveform 2
S1 at Open
(see Note B)
1.5 V
t
su
1.5 V1.5 V
VOLTAGE WAVEFORMS
SETUP AND HOLD TIMES
1.5 V
t
PZL
t
PLZ
1.5 V
t
t
PZH
ENABLE AND DISABLE TIMES
LOW- AND HIGH-LEVEL ENABLING
PHZ
1.5 V
VOLTAGE WAVEFORMS
t
h
1.5 V
VOL + 0.3 V
VOH – 0.3 V
3 V
0 V
3 V
0 V
3 V
0 V
3.5 V
V
OL
V
OH
≈ 0 V
NOTES: A. CL includes probe and jig capacitance.
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. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf≤ 2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
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.
(RoHS)
(RoHS)
(2)
Lead/Ball Finish MSL Peak Temp
CU NIPDLevel-1-260C-UNLIM
CU NIPDLevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-NC-NC-NC
CU NIPDAULevel-NC-NC-NC
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
CU NIPDAULevel-1-260C-UNLIM
(3)
(2)
Eco Plan - The planned eco-friendly classification: Pb-Free (RoHS) 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
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
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
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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.
26-Sep-2005
Addendum-Page 2
MECHANICAL DATA
MCER004A – JANUARY 1995 – REVISED JANUARY 1997
JT (R-GDIP-T**)CERAMIC DUAL-IN-LINE
24 LEADS SHOWN
24
1
0.100 (2,54) MAX
0.070 (1,78)
0.030 (0,76)
0.023 (0,58)
0.015 (0,38)
A
13
B
12
0.015 (0,38) MIN
0.200 (5,08) MAX
Seating Plane
0.130 (3,30) MIN
DIM
A MAX
A MIN
B MAX
B MIN
PINS **
24
1.280
(32,51)
1.240
(31,50)
0.300
(7,62)
0.245
(6,22)
0.320 (8,13)
0.290 (7,37)
0°–15°
28
1.460
(37,08)
1.440
(36,58)
0.291
(7,39)
0.285
(7,24)
0.100 (2,54)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a ceramic lid using glass frit.
D. Index point is provided on cap for terminal identification.
E. Falls within MIL STD 1835 GDIP3-T24, GDIP4-T28, and JEDEC MO-058 AA, MO-058 AB
0.014 (0,36)
0.008 (0,20)
4040110/C 08/96
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MECHANICAL DATA
MCFP007 – OCTOBER 1994
W (R-GDFP-F24) CERAMIC DUAL FLATPACK
0.090 (2,29)
0.045 (1,14)
0.640 (16,26)
0.490 (12,45)
Base and Seating Plane
0.360 (9,14)
0.240 (6,10)
0.375 (9,53)
0.340 (8,64)
0.006 (0,15)
0.004 (0,10)
0.395 (10,03)
0.360 (9,14)
124
0.360 (9,14)
0.240 (6,10)
0.045 (1,14)
0.026 (0,66)
0.019 (0,48)
0.015 (0,38)
0.050 (1,27)
30° TYP
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a ceramic lid using glass frit.
D. Falls within MIL-STD-1835 GDFP2-F24 and JEDEC MO-070AD
E. Index point is provided on cap for terminal identification only.
0.030 (0,76)
0.015 (0,38)
1312
1.115 (28,32)
0.840 (21,34)
4040180-5/B 03/95
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MECHANICAL DATA
MLCC006B – OCTOBER 1996
FK (S-CQCC-N**) LEADLESS CERAMIC CHIP CARRIER
28 TERMINAL SHOWN
A SQ
B SQ
19
20
21
22
23
24
25
1282627
12
131415161817
0.020 (0,51)
0.010 (0,25)
MIN
0.342
(8,69)
0.442
0.640
0.739
0.938
1.141
A
0.358
(9,09)
0.458
(11,63)
0.660
(16,76)
0.761
(19,32)(18,78)
0.962
(24,43)
1.165
(29,59)
NO. OF
TERMINALS
**
11
10
9
8
7
6
5
432
20
28
44
52
68
84
0.020 (0,51)
0.010 (0,25)
(11,23)
(16,26)
(23,83)
(28,99)
MINMAX
0.307
(7,80)
0.406
(10,31)
0.495
(12,58)
0.495
(12,58)
0.850
(21,6)
1.047
(26,6)
0.080 (2,03)
0.064 (1,63)
B
MAX
0.358
(9,09)
0.458
(11,63)
0.560
(14,22)
0.560
(14,22)
0.858
(21,8)
1.063
(27,0)
0.055 (1,40)
0.045 (1,14)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. This package can be hermetically sealed with a metal lid.
D. The terminals are gold plated.
E. Falls within JEDEC MS-004
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
4040140/D 10/96
MECHANICAL DATA
MPDI004 – OCTOBER 1994
NT (R-PDIP-T**) PLASTIC DUAL-IN-LINE PACKAGE
24 PINS SHOWN
24
DIM
A MAX
A MIN
B MAX
B MIN
PINS **
24
1.260
(32,04)
1.230
(31,24)
0.310
(7,87)
0.290
(7,37)
0°–15°
28
1.425
(36,20)
1.385
(35,18)
0.315
(8,00)
0.295
(7,49)
B
A
13
0.280 (7,11)
0.250 (6,35)
1
0.070 (1,78) MAX
0.020 (0,51) MIN
0.100 (2,54)
0.021 (0,53)
0.015 (0,38)
0.010 (0,25)
M
12
0.200 (5,08) MAX
Seating Plane
0.125 (3,18) MIN
0.010 (0,25) NOM
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
4040050/B 04/95
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,65
28
1
2,00 MAX
0,38
0,22
15
14
A
0,05 MIN
0,15
5,60
5,00
M
8,20
7,40
Seating Plane
0,10
0,25
0,09
0°–ā8°
Gage Plane
0,25
0,95
0,55
PINS **
DIM
A MAX
A MIN
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-150
14
6,50
6,50
5,905,90
2016
7,50
6,90
24
8,50
28
10,50
9,907,90
30
10,50
9,90
38
12,90
12,30
4040065 /E 12/01
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**) PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,65
1,20 MAX
14
0,30
0,19
8
4,50
4,30
PINS **
7
Seating Plane
0,15
0,05
8
1
A
DIM
6,60
6,20
14
0,10
M
0,10
0,15 NOM
0°–8°
2016
Gage Plane
24
0,25
0,75
0,50
28
A MAX
A MIN
NOTES: A. All linear dimensions are in millimeters.
B. This drawing is subject to change without notice.
C. Body dimensions do not include mold flash or protrusion not to exceed 0,15.
D. Falls within JEDEC MO-153
3,10
2,90
5,10
4,90
5,10
4,90
6,60
6,40
7,90
7,70
9,80
9,60
4040064/F 01/97
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
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Interfaceinterface.ti.comDigital Controlwww.ti.com/digitalcontrol
Logiclogic.ti.comMilitarywww.ti.com/military
Power Mgmtpower.ti.comOptical Networkingwww.ti.com/opticalnetwork
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Wirelesswww.ti.com/wireless
Mailing Address:Texas Instruments
Post Office Box 655303 Dallas, Texas 75265
Copyright 2005, Texas Instruments Incorporated
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