 
   
  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DWide Operating Voltage Range of 2 V to 6 V
DHigh-Current 3-State Outputs Drive Bus
Lines Directly or Up To 15 LSTTL Loads
DLow Power Consumption, 80-µA Max ICC
DTypical tpd = 21 ns
D±6-mA Output Drive at 5 V
DLow Input Current of 1 µA Max
DBus-Structured Pinout
3212019
910111213
4
5
6
7
8
18
17
16
15
14
2Q
3Q
4Q
5Q
6Q
3D
4D
5D
6D
7D
2D
1D
OE
8Q
7Q V
1Q
8D
GND
LE
SN54HC573A ...FK PACKAGE
(TOP VIEW)
CC
SN54HC573A ...J OR W PACKAGE
SN74HC573A . . . DB, DW, N, OR PW PACKAGE
(TOP VIEW)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
OE
1D
2D
3D
4D
5D
6D
7D
8D
GND
VCC
1Q
2Q
3Q
4Q
5Q
6Q
7Q
8Q
LE
description/ordering information
These octal transparent D-type latches feature 3-state outputs designed specifically for driving highly capacitive
or relatively low-impedance loads. They are particularly suitable for implementing buffer registers, I/O ports,
bidirectional bus drivers, and working registers.
While the latch-enable (LE) input is high, the Q outputs respond to the data (D) inputs. When LE is low, the
outputs are latched to retain the data that was set up.
A buffered output-enable ( O E ) input can be used to place the eight outputs in either a normal logic state (high
or low logic levels) or the high-impedance state. In the high-impedance state, the outputs neither load nor drive
the bus lines significantly. The high-impedance state and increased drive provide the capability to drive bus lines
without interface or pullup components.
ORDERING INFORMATION
TAPACKAGEORDERABLE
PART NUMBER TOP-SIDE
MARKING
PDIP − N Tube of 25 SN74HC573AN SN74HC573AN
SOIC − DW
Tube of 40 SN74HC573ADW
HC573A
−40°C to 85°C
SOIC − DW Reel of 2500 SN74HC573ADWR HC573A
−40°C to 85°CSSOP − DB Reel of 2000 SN74HC573ADBR HC573A
TSSOP − PW
Reel of 2000 SN74HC573APWR
HC573A
TSSOP − PW Reel of 250 SN74HC573APWT HC573A
CDIP − J Tube of 25 SNJ54HC573AJ SNJ54HC573AJ
−55°C to 125°CCFP − W Tube of 150 SNJ54HC573AW SNJ54HC573AW
−55 C to 125 C
LCCC − FK Tube of 55 SNJ54HC573AFK SNJ54HC573AFK
Package drawings, standard packing quantities, thermal data, symbolization, and PCB design
guidelines are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications o
f
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright 2003, Texas Instruments Incorporated
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   
  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
2POST OFFICE BOX 655303 DALLAS, TEXAS 75265
description/ordering information (continued)
To ensure the high-impedance state during power up or power down, OE should be tied to VCC through a pullup
resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
OE does not affect the internal operations of the latches. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
FUNCTION TABLE
(each latch)
INPUTS
OUTPUT
OE LE D
OUTPUT
Q
L H H H
LHL L
LLX Q
0
H X X Z
logic diagram (positive logic)
OE
LE
1D 1Q
1
11
219
To Seven Other Channels
C1
1D
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)
Supply voltage range, VCC −0.5 V to 7 V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Input clamp current, IIK (VI < 0 or VI > VCC) (see Note 1) ±20 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Output clamp current, IOK (VO < 0 or VO > VCC) (see Note 1) ±20 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous output current, IO (VO = 0 to VCC) ±35 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Continuous current through VCC or GND ±70 mA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Package thermal impedance, θJA (see Note 2): DB package 70°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
DW package 58°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
N package 69°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PW package 83°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage temperature range, Tstg −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.
NOTES: 1. The input and output voltage ratings may be exceeded if the input and output current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
 
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  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
3
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
recommended operating conditions (see Note 3)
SN54HC573A SN74HC573A
UNIT
MIN NOM MAX MIN NOM MAX
UNIT
VCC Supply voltage 2 5 6 2 5 6 V
VCC = 2 V 1.5 1.5
V
IH
High-level input voltage VCC = 4.5 V 3.15 3.15 V
VIH
High-level input voltage
VCC = 6 V 4.2 4.2
V
VCC = 2 V 0.5 0.5
V
IL
Low-level input voltage VCC = 4.5 V 1.35 1.35 V
VIL
Low-level input voltage
VCC = 6 V 1.8 1.8
V
VIInput voltage 0 VCC 0 VCC V
VOOutput voltage 0 VCC 0 VCC V
VCC = 2 V 1000 1000
t
t
Input transition (rise and fall) time VCC = 4.5 V 500 500 ns
tt
Input transition (rise and fall) time
VCC = 6 V 400 400
ns
TAOperating free-air temperature −55 125 −40 85 °C
NOTE 3: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VCC
TA = 25°C SN54HC573A SN74HC573A
UNIT
PARAMETER
V
CC MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 1.9 1.998 1.9 1.9
I
OH
= −20 µA4.5 V 4.4 4.499 4.4 4.4
V
OH
V
I
= V
IH
or V
IL
IOH = −20 µA
6 V 5.9 5.999 5.9 5.9 V
VOH
VI = VIH or VIL
IOH = −6 mA 4.5 V 3.98 4.3 3.7 3.84
V
IOH = −7.8 mA 6 V 5.48 5.8 5.2 5.34
2 V 0.002 0.1 0.1 0.1
I
OL
= 20 µA4.5 V 0.001 0.1 0.1 0.1
V
OL
V
I
= V
IH
or V
IL
IOL = 20 µA
6 V 0.001 0.1 0.1 0.1 V
VOL
VI = VIH or VIL
IOL = 6 mA 4.5 V 0.17 0.26 0.4 0.33
V
IOL = 7.8 mA 6 V 0.15 0.26 0.4 0.33
IIVI = VCC or 0 6 V ±0.1 ±100 ±1000 ±1000 nA
IOZ VO = VCC or 0 6 V ±0.01 ±0.5 ±10 ±5µA
ICC VI = VCC or 0, IO = 0 6 V 8 160 80 µA
Ci2 V to 6 V 3 10 10 10 pF
 
   
  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
4POST OFFICE BOX 655303 DALLAS, TEXAS 75265
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
TA = 25°C SN54HC573A SN74HC573A
UNIT
V
CC MIN MAX MIN MAX MIN MAX
UNIT
2 V 80 120 100
t
w
Pulse duration, LE high 4.5 V 16 24 20 ns
tw
Pulse duration, LE high
6 V 14 20 17
ns
2 V 50 75 63
t
su
Setup time, data before LE4.5 V 10 15 13 ns
tsu
Setup time, data before LE
6 V 9 13 11
ns
2 V 20 24 24
t
h
Hold time, data after LE4.5 V 5 5 5 ns
th
Hold time, data after LE
6 V 5 5 5
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C SN54HC573A SN74HC573A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 77 175 265 220
D Q 4.5 V 26 35 53 44
tpd
D
Q
6 V 23 30 45 38
ns
tpd 2 V 87 175 265 220 ns
LE Any Q 4.5 V 27 35 53 44
LE
Any Q
6 V 23 30 45 38
2 V 68 150 225 190
t
en
OE Any Q 4.5 V 24 30 45 38 ns
ten
OE
Any Q
6 V 21 26 38 32
ns
2 V 47 150 225 190
t
dis
OE Any Q 4.5 V 23 30 45 38 ns
tdis
OE
Any Q
6 V 21 26 38 32
ns
2 V 28 60 90 75
t
t
Any Q 4.5 V 8 12 18 15 ns
tt
Any Q
6 V 6 10 15 13
ns
 
   
  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
5
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
TO
VCC
TA = 25°C SN54HC573A SN74HC573A
UNIT
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC MIN TYP MAX MIN MAX MIN MAX
UNIT
2 V 95 200 300 250
D Q 4.5 V 33 40 60 50
tpd
D
Q
6 V 21 34 51 43
ns
tpd 2 V 103 225 335 285 ns
LE Any Q 4.5 V 33 45 67 57
LE
Any Q
6 V 29 38 57 48
2 V 85 200 300 250
t
en
OE Any Q 4.5 V 29 40 60 50 ns
ten
OE
Any Q
6 V 26 34 51 43
ns
2 V 60 210 315 265
t
t
Any Q 4.5 V 17 42 63 53 ns
tt
Any Q
6 V 14 36 53 45
ns
operating characteristics, TA = 25°C
PARAMETER TEST CONDITIONS TYP UNIT
Cpd Power dissipation capacitance per latch No load 50 pF
 
   
  
SCLS147E − DECEMBER 1982 − REVISED SEPTEMBER 2003
6POST OFFICE BOX 655303 DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
VOLTAGE WAVEFORMS
SETUP AND HOLD AND INPUT RISE AND FALL TIMES
VOLTAGE WAVEFORMS
PULSE DURATIONS
th
tsu
VCC
VCC
0 V
0 V
trtf
Reference
Input
Data
Input
High-Level
Pulse
VCC
0 V
VCC
0 V
tw
Low-Level
Pulse
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
50%
50%50% 10%10% 90% 90%
VCC
VOH
VOL
0 V
trtf
Input
In-Phase
Output
50%
tPLH tPHL
50% 50%
10% 10% 90%90% VOH
VOL
tr
tf
tPHL tPLH
Out-of-
Phase
Output
VCC
VCC
VOL
0 V
Output
Control
(Low-Level
Enabling)
Output
Waveform 1
(See Note B)
tPZL tPLZ
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES FOR 3-STATE OUTPUTS
VOH
0 V
tPZH tPHZ
Output
Waveform 2
(See Note B)
VCC
Test
Point
From Output
Under Test
RL
V
CC
S1
S2
LOAD CIRCUIT
PARAMETER CL
tPZH
tpd or tt
tdis
ten tPZL
tPHZ
tPLZ
1 k
1 k
50 pF
or
150 pF
50 pF
Open Closed
RLS1
Closed Open
S2
Open Closed
Closed Open
50 pF
or
150 pF Open Open−−
NOTES: A. CL includes probe and test-fixture capacitance.
B. W aveform 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. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR 1 MHz, ZO = 50 , tr = 6 ns, tf = 6 ns.
D. The outputs are measured one at a time with one input transition per measurement.
E. tPLZ and tPHZ are the same as tdis.
F. tPZL and tPZH are the same as ten.
G. tPLH and tPHL are the same as tpd.
CL
(see Note A)
50% 50%
50% 50%
50%
50%
10%
90%
50%
10% 90%
50% 50%
50%
50%
90%
10%
Figure 1. Load Circuit and Voltage Waveforms
PACKAGE OPTION ADDENDUM
www.ti.com 29-Aug-2012
Addendum-Page 1
PACKAGING INFORMATION
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
5962-8512801VRA ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type
5962-8512801VSA ACTIVE CFP W 20 25 TBD Call TI N / A for Pkg Type
85128012A ACTIVE LCCC FK 20 1 TBD Call TI Call TI
8512801RA ACTIVE CDIP J 20 1 TBD Call TI Call TI
8512801SA ACTIVE CFP W 20 1 TBD Call TI Call TI
JM38510/65406BRA ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type
M38510/65406BRA ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type
SN54HC573AJ ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type
SN74HC573ADBR ACTIVE SSOP DB 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADBRE4 ACTIVE SSOP DB 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADBRG4 ACTIVE SSOP DB 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADW ACTIVE SOIC DW 20 25 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADWE4 ACTIVE SOIC DW 20 25 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADWG4 ACTIVE SOIC DW 20 25 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADWR ACTIVE SOIC DW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADWRE4 ACTIVE SOIC DW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573ADWRG4 ACTIVE SOIC DW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573AN ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type
SN74HC573AN3 OBSOLETE PDIP N 20 TBD Call TI Call TI
SN74HC573ANE4 ACTIVE PDIP N 20 20 Pb-Free (RoHS) CU NIPDAU N / A for Pkg Type
SN74HC573APWLE OBSOLETE TSSOP PW 20 TBD Call TI Call TI
SN74HC573APWR ACTIVE TSSOP PW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
PACKAGE OPTION ADDENDUM
www.ti.com 29-Aug-2012
Addendum-Page 2
Orderable Device Status (1) Package Type Package
Drawing Pins Package Qty Eco Plan (2) Lead/
Ball Finish MSL Peak Temp (3) Samples
(Requires Login)
SN74HC573APWRE4 ACTIVE TSSOP PW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573APWRG4 ACTIVE TSSOP PW 20 2000 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573APWT ACTIVE TSSOP PW 20 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573APWTE4 ACTIVE TSSOP PW 20 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SN74HC573APWTG4 ACTIVE TSSOP PW 20 250 Green (RoHS
& no Sb/Br) CU NIPDAU Level-1-260C-UNLIM
SNJ54HC573AFK ACTIVE LCCC FK 20 1 TBD POST-PLATE N / A for Pkg Type
SNJ54HC573AJ ACTIVE CDIP J 20 1 TBD A42 N / A for Pkg Type
SNJ54HC573AW ACTIVE CFP W 20 1 TBD Call TI N / A for Pkg Type
(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.
PACKAGE OPTION ADDENDUM
www.ti.com 29-Aug-2012
Addendum-Page 3
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 SN54HC573A, SN54HC573A-SP, SN74HC573A :
Catalog: SN74HC573A, SN54HC573A
Automotive: SN74HC573A-Q1, SN74HC573A-Q1
Military: SN54HC573A
Space: SN54HC573A-SP
NOTE: Qualified Version Definitions:
Catalog - TI's standard catalog product
Automotive - Q100 devices qualified for high-reliability automotive applications targeting zero defects
Military - QML certified for Military and Defense Applications
Space - Radiation tolerant, ceramic packaging and qualified for use in Space-based application
TAPE AND REEL INFORMATION
*All dimensions are nominal
Device Package
Type Package
Drawing Pins SPQ Reel
Diameter
(mm)
Reel
Width
W1 (mm)
A0
(mm) B0
(mm) K0
(mm) P1
(mm) W
(mm) Pin1
Quadrant
SN74HC573ADBR SSOP DB 20 2000 330.0 16.4 8.2 7.5 2.5 12.0 16.0 Q1
SN74HC573ADWR SOIC DW 20 2000 330.0 24.4 10.8 13.0 2.7 12.0 24.0 Q1
SN74HC573APWR TSSOP PW 20 2000 330.0 16.4 6.95 7.1 1.6 8.0 16.0 Q1
SN74HC573APWT TSSOP PW 20 250 330.0 16.4 6.95 7.1 1.6 8.0 16.0 Q1
PACKAGE MATERIALS INFORMATION
www.ti.com 14-Jul-2012
Pack Materials-Page 1
*All dimensions are nominal
Device Package Type Package Drawing Pins SPQ Length (mm) Width (mm) Height (mm)
SN74HC573ADBR SSOP DB 20 2000 367.0 367.0 38.0
SN74HC573ADWR SOIC DW 20 2000 367.0 367.0 45.0
SN74HC573APWR TSSOP PW 20 2000 367.0 367.0 38.0
SN74HC573APWT TSSOP PW 20 250 367.0 367.0 38.0
PACKAGE MATERIALS INFORMATION
www.ti.com 14-Jul-2012
Pack Materials-Page 2
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
DB (R-PDSO-G**) PLASTIC SMALL-OUTLINE
4040065 /E 12/01
28 PINS SHOWN
Gage Plane
8,20
7,40
0,55
0,95
0,25
38
12,90
12,30
28
10,50
24
8,50
Seating Plane
9,907,90
30
10,50
9,90
0,38
5,60
5,00
15
0,22
14
A
28
1
2016
6,50
6,50
14
0,05 MIN
5,905,90
DIM
A MAX
A MIN
PINS **
2,00 MAX
6,90
7,50
0,65 M
0,15
0°ā8°
0,10
0,09
0,25
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
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