TI SNJ54HC374J

 SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
D Wide Operating Voltage Range of 2 V to 6 V
D High-Current 3-State True Outputs Can
D
D
D
D
Drive Up To 15 LSTTL Loads
D Eight D-Type Flip-Flops in a Single Package
D Full Parallel Access for Loading
Low Power Consumption, 80-µA Max ICC
Typical tpd = 14 ns
±6-mA Output Drive at 5 V
Low Input Current of 1 µA Max
SN54HC374 . . . FK PACKAGE
(TOP VIEW)
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
VCC
8Q
8D
7D
7Q
6Q
6D
5D
5Q
CLK
2D
2Q
3Q
3D
4D
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
8D
7D
7Q
6Q
6D
4Q
GND
CLK
5Q
5D
OE
1Q
1D
2D
2Q
3Q
3D
4D
4Q
GND
1D
1Q
OE
VCC
8Q
SN54HC374 . . . J OR W PACKAGE
SN74HC374 . . . DB, DW, N, NS, OR PW PACKAGE
(TOP VIEW)
description/ordering information
These 8-bit flip-flops 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.
The eight flip-flops of the ’HC374 devices are edge-triggered D-type flip-flops. On the positive transition of the
clock (CLK) input, the Q outputs are set to the logic levels that were set up at the data (D) inputs.
An output-enable (OE) input places 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
PDIP – N
–55°C
55 C to 125
125°C
C
TOP-SIDE
MARKING
Tube
SN74HC374N
Tube
SN74HC374DW
Tape and reel
SN74HC374DWR
SOP – NS
Tape and reel
SN74HC374NSR
HC374
SSOP – DB
Tape and reel
SN74HC374DBR
HC374
TSSOP – PW
Tape and reel
SN74HC374PWR
HC374
CDIP – J
Tube
SNJ54HC374J
SNJ54HC374J
CFP – W
Tube
SNJ54HC374W
SNJ54HC374W
LCCC – FK
Tube
SNJ54HC374FK
SOIC – DW
–40°C
40°C to 85°C
ORDERABLE
PART NUMBER
PACKAGE†
TA
SN74HC374N
HC374
SNJ54HC374FK
† 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 of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Copyright  2002, Texas Instruments Incorporated
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1
SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
description/ordering information (continued)
OE does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered
while the outputs are in the high-impedance state.
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.
FUNCTION TABLE
(each flip-flop)
INPUTS
OE
CLK
D
OUTPUT
Q
L
↑
H
H
L
↑
L
L
L
H or L
X
Q0
H
X
X
Z
logic diagram (positive logic)
OE
CLK
1
11
C1
1D
3
1D
2
1Q
To Seven Other Channels
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
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°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.
2
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SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
recommended operating conditions (see Note 3)
SN54HC374
VCC
VIH
Supply voltage
VCC = 2 V
VCC = 4.5 V
High-level
High
level in
input
ut voltage
VCC = 6 V
VCC = 2 V
VIL
VI
VO
∆t/∆v
MIN
NOM
MAX
2
5
6
Input voltage
MAX
2
5
6
3.15
3.15
4.2
4.2
0
VCC = 6 V
UNIT
V
V
0.5
0.5
1.35
1.35
1.8
1.8
VCC
VCC
VCC = 2 V
VCC = 4.5 V
Input
In
ut transition rise/fall time
NOM
1.5
0
Output voltage
MIN
1.5
VCC = 4.5 V
VCC = 6 V
Low-level
Low
level in
input
ut voltage
SN74HC374
0
VCC
VCC
0
1000
1000
500
500
400
400
V
V
V
ns
TA
Operating 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
VOH
VOL
TEST CONDITIONS
VI = VCC or 0,
MIN
MAX
SN74HC374
MIN
MAX
UNIT
1.9
1.998
1.9
1.9
IOH = –20
20 µA
4.4
4.499
4.4
4.4
6V
5.9
5.999
5.9
5.9
IOH = –6 mA
IOH = –7.8 mA
4.5 V
3.98
4.3
3.7
3.84
6V
5.48
5.8
5.2
5.34
2V
0.002
0.1
0.1
0.1
IOL = 20 µA
4.5 V
0.001
0.1
0.1
0.1
6V
0.001
0.1
0.1
0.1
4.5 V
0.17
0.26
0.4
0.33
6V
0.15
0.26
0.4
0.33
6V
±0.1
±100
±1000
±1000
nA
6V
±0.01
±0.5
±10
±5
µA
8
160
80
µA
10
10
10
pF
IOL = 6 mA
IOL = 7.8 mA
ICC
Ci
SN54HC374
2V
VI = VIH or VIL
VI = VCC or 0
VO = VCC or 0
TA = 25°C
MIN
TYP
MAX
4.5 V
VI = VIH or VIL
II
IOZ
VCC
IO = 0
6V
2 V to 6 V
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3
• DALLAS, TEXAS 75265
V
V
3
SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
fclock
Clock frequency
tw
Pulse duration, CLK high or low
tsu
Setup time, data before CLK↑
Setu
th
Hold time,, data after CLK↑
TA = 25°C
MIN
MAX
SN54HC374
MIN
MAX
SN74HC374
MIN
MAX
2V
6
4
5
4.5 V
30
20
24
6V
35
24
28
2V
80
120
100
4.5 V
16
24
20
6V
14
20
17
2V
100
150
125
4.5 V
20
30
25
6V
17
25
21
2V
10
13
12
4.5 V
5
5
5
6V
5
5
5
UNIT
MHz
ns
ns
ns
switching characteristics over recommended operating free-air temperature range, CL = 50 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
fmax
tpd
d
ten
tdis
tt
4
CLK
OE
OE
Any Q
Any Q
Any Q
Any
yQ
VCC
TA = 25°C
MIN
TYP
MAX
SN54HC374
MIN
MAX
SN74HC374
MIN
2V
6
12
4
5
4.5 V
30
60
20
24
6V
35
70
24
28
MAX
MHz
2V
63
180
270
225
4.5 V
17
36
54
45
6V
15
31
46
38
2V
60
150
225
190
4.5 V
16
30
45
38
6V
14
26
38
32
2V
36
150
225
190
4.5 V
17
30
45
38
6V
16
26
38
32
2V
28
60
90
75
4.5 V
8
12
18
15
6V
6
10
15
13
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UNIT
ns
ns
ns
ns
SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
switching characteristics over recommended operating free-air temperature range, CL = 150 pF
(unless otherwise noted) (see Figure 1)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
fmax
tpd
d
ten
tt
CLK
OE
Any Q
Any Q
Any
yQ
VCC
MIN
TA = 25°C
TYP
MAX
SN54HC374
MIN
MAX
SN74HC374
MIN
2V
6
12
5
4.5 V
30
60
24
6V
35
70
28
MAX
UNIT
MHz
2V
80
230
345
290
4.5 V
22
46
69
58
6V
19
39
58
49
2V
70
200
300
250
4.5 V
25
40
60
50
6V
22
34
51
43
2V
45
210
315
265
4.5 V
17
42
63
53
6V
13
36
53
45
ns
ns
ns
operating characteristics, TA = 25°C
PARAMETER
Cpd
Power dissipation capacitance per flip-flop
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• DALLAS, TEXAS 75265
TEST CONDITIONS
TYP
UNIT
No load
100
pF
5
SCLS141D – DECEMBER 1982 – REVISED DECEMBER 2002
PARAMETER MEASUREMENT INFORMATION
VCC
From Output
Under Test
CL
(see Note A)
PARAMETER
tPZH
S1
Test
Point
RL
ten
RL
tdis
S2
tPZL
tPHZ
tPLZ
1 kΩ
1 kΩ
Reference
Input
VCC
50%
Data
Input
VCC
50%
10%
50%
VCC
0V
In-Phase
Output
50%
10%
tPHL
90%
90%
tr
tPHL
Out-ofPhase
Output
90%
tf
Open
Closed
Closed
Open
Open
Open
VCC
th
90%
90%
VCC
50%
10% 0 V
tf
50%
10%
Output
Control
(Low-Level
Enabling)
VCC
50%
50%
0V
tPZL
VOH
50%
10% V
OL
tf
Output
Waveform 1
(See Note B)
tPLZ
90%
VOH
VOL
Output
Waveform 2
(See Note B)
≈VCC
≈VCC
50%
10%
tPZH
tPLH
50%
10%
Open
VOLTAGE WAVEFORMS
SETUP AND HOLD AND INPUT RISE AND FALL TIMES
50%
tPLH
Closed
tr
VOLTAGE WAVEFORMS
PULSE DURATIONS
50%
Closed
0V
0V
Input
Open
tsu
0V
50%
50 pF
or
150 pF
50%
50%
tw
Low-Level
Pulse
S2
50 pF
or
150 pF
LOAD CIRCUIT
High-Level
Pulse
S1
50 pF
––
tpd or tt
CL
VOL
tPHZ
50%
90%
VOH
≈0 V
tr
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES FOR 3-STATE OUTPUTS
NOTES: A. CL includes probe and test-fixture 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. Phase relationships between waveforms were chosen arbitrarily. All input pulses are supplied by generators having the following
characteristics: PRR ≤ 1 MHz, ZO = 50 Ω, tr = 6 ns, tf = 6 ns.
D. For clock inputs, fmax is measured when the input duty cycle is 50%.
E. The outputs are measured one at a time with one input transition per measurement.
F. tPLZ and tPHZ are the same as tdis.
G. tPZL and tPZH are the same as ten.
H. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
6
POST OFFICE BOX 655303
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MECHANICAL DATA
MCER002C – JANUARY 1995 – REVISED JUNE 1999
J (R-GDIP-T**)
CERAMIC DUAL-IN-LINE
14 LEADS SHOWN
PINS **
14
16
20
A MAX
0.310
(7,87)
0.310
(7,87)
0.310
(7,87)
A MIN
0.290
(7,37)
0.290
(7,37)
0.290
(7,37)
B MAX
0.785
(19,94)
0.785
(19,94)
0.975
(24,77)
B MIN
0.755
(19,18)
0.755
(19,18)
0.930
(23,62)
C MAX
0.300
(7,62)
0.300
(7,62)
0.300
(7,62)
C MIN
0.245
(6,22)
0.245
(6,22)
0.245
(6,22)
DIM
B
14
8
C
1
7
0.065 (1,65)
0.045 (1,14)
0.100 (2,54)
0.070 (1,78)
0.020 (0,51) MIN
A
0.200 (5,08) MAX
Seating Plane
0.130 (3,30) MIN
0.023 (0,58)
0.015 (0,38)
0°–15°
0.014 (0,36)
0.008 (0,20)
0.100 (2,54)
4040083/E 03/99
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package is hermetically sealed with a ceramic lid using glass frit.
Index point is provided on cap for terminal identification.
Falls within MIL STD 1835 GDIP1-T14, GDIP1-T16, and GDIP1-T20
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1
MECHANICAL DATA
MCFP006A– JANUARY 1995 – REVISED FEBRUARY 2002
W (R-GDFP-F20)
CERAMIC DUAL FLATPACK
Base and Seating Plane
0.300 (7,62)
0.245 (6,22)
0.045 (1,14)
0.026 (0,66)
0.006 (0,15)
0.004 (0,10)
0.100 (2,54)
0.045 (1,14)
0.320 (8,13) MAX
1
0.019 (0,48)
0.015 (0,38)
20
0.050 (1,27)
0.540 (13,72)
0.490 (12,45)
0.005 (0,13) MIN
4 Places
10
11
0.260 (6,60)
0.200 (5,08)
0.260 (6,60)
0.200 (5,08)
4040180-4 / C 02/02
NOTES: A.
B.
C.
D.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a ceramic lid using glass frit.
Index point is provided on cap for terminal identification only.
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1
MECHANICAL DATA
MLCC006B – OCTOBER 1996
FK (S-CQCC-N**)
LEADLESS CERAMIC CHIP CARRIER
28 TERMINAL SHOWN
18
17
16
15
14
13
NO. OF
TERMINALS
**
12
19
11
20
10
A
B
MIN
MAX
MIN
MAX
20
0.342
(8,69)
0.358
(9,09)
0.307
(7,80)
0.358
(9,09)
28
0.442
(11,23)
0.458
(11,63)
0.406
(10,31)
0.458
(11,63)
21
9
22
8
44
0.640
(16,26)
0.660
(16,76)
0.495
(12,58)
0.560
(14,22)
23
7
52
0.739
(18,78)
0.761
(19,32)
0.495
(12,58)
0.560
(14,22)
24
6
68
0.938
(23,83)
0.962
(24,43)
0.850
(21,6)
0.858
(21,8)
84
1.141
(28,99)
1.165
(29,59)
1.047
(26,6)
1.063
(27,0)
B SQ
A SQ
25
5
26
27
28
1
2
3
4
0.080 (2,03)
0.064 (1,63)
0.020 (0,51)
0.010 (0,25)
0.020 (0,51)
0.010 (0,25)
0.055 (1,40)
0.045 (1,14)
0.045 (1,14)
0.035 (0,89)
0.045 (1,14)
0.035 (0,89)
0.028 (0,71)
0.022 (0,54)
0.050 (1,27)
4040140 / D 10/96
NOTES: A.
B.
C.
D.
E.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
This package can be hermetically sealed with a metal lid.
The terminals are gold plated.
Falls within JEDEC MS-004
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1
MECHANICAL
MPDI002C – JANUARY 1995 – REVISED DECEMBER 20002
N (R-PDIP-T**)
PLASTIC DUAL-IN-LINE PACKAGE
16 PINS SHOWN
PINS **
14
16
18
20
A MAX
0.775
(19,69)
0.775
(19,69)
0.920
(23,37)
1.060
(26,92)
A MIN
0.745
(18,92)
0.745
(18,92)
0.850
(21,59)
0.940
(23,88)
MS-100
VARIATION
AA
BB
AC
DIM
A
16
9
0.260 (6,60)
0.240 (6,10)
1
C
AD
8
0.070 (1,78)
0.045 (1,14)
0.045 (1,14)
0.030 (0,76)
D
D
0.325 (8,26)
0.300 (7,62)
0.020 (0,51) MIN
0.015 (0,38)
Gauge Plane
0.200 (5,08) MAX
Seating Plane
0.010 (0,25) NOM
0.125 (3,18) MIN
0.100 (2,54)
0.430 (10,92) MAX
0.021 (0,53)
0.015 (0,38)
0.010 (0,25) M
14/18 PIN ONLY
20 pin vendor option
D
4040049/E 12/2002
NOTES: A. All linear dimensions are in inches (millimeters).
B. This drawing is subject to change without notice.
C. Falls within JEDEC MS-001, except 18 and 20 pin minimum body lrngth (Dim A).
D. The 20 pin end lead shoulder width is a vendor option, either half or full width.
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1
MECHANICAL DATA
MSOI003E – JANUARY 1995 – REVISED SEPTEMBER 2001
DW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
16 PINS SHOWN
0.020 (0,51)
0.014 (0,35)
9
0.050 (1,27)
16
0.010 (0,25)
0.419 (10,65)
0.400 (10,15)
0.010 (0,25) NOM
0.299 (7,59)
0.291 (7,39)
Gage Plane
0.010 (0,25)
1
8
0°– 8°
0.050 (1,27)
0.016 (0,40)
A
Seating Plane
0.104 (2,65) MAX
0.012 (0,30)
0.004 (0,10)
PINS **
0.004 (0,10)
16
18
20
24
28
A MAX
0.410
(10,41)
0.462
(11,73)
0.510
(12,95)
0.610
(15,49)
0.710
(18,03)
A MIN
0.400
(10,16)
0.453
(11,51)
0.500
(12,70)
0.600
(15,24)
0.700
(17,78)
DIM
4040000/E 08/01
NOTES: A.
B.
C.
D.
All linear dimensions are in inches (millimeters).
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0.006 (0,15).
Falls within JEDEC MS-013
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
MECHANICAL DATA
MSSO002E – JANUARY 1995 – REVISED DECEMBER 2001
DB (R-PDSO-G**)
PLASTIC SMALL-OUTLINE
28 PINS SHOWN
0,38
0,22
0,65
28
0,15 M
15
0,25
0,09
8,20
7,40
5,60
5,00
Gage Plane
1
14
0,25
A
0°–ā8°
0,95
0,55
Seating Plane
2,00 MAX
0,10
0,05 MIN
PINS **
14
16
20
24
28
30
38
A MAX
6,50
6,50
7,50
8,50
10,50
10,50
12,90
A MIN
5,90
5,90
6,90
7,90
9,90
9,90
12,30
DIM
4040065 /E 12/01
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-150
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
MECHANICAL DATA
MTSS001C – JANUARY 1995 – REVISED FEBRUARY 1999
PW (R-PDSO-G**)
PLASTIC SMALL-OUTLINE PACKAGE
14 PINS SHOWN
0,30
0,19
0,65
14
0,10 M
8
0,15 NOM
4,50
4,30
6,60
6,20
Gage Plane
0,25
1
7
0°– 8°
A
0,75
0,50
Seating Plane
0,15
0,05
1,20 MAX
PINS **
0,10
8
14
16
20
24
28
A MAX
3,10
5,10
5,10
6,60
7,90
9,80
A MIN
2,90
4,90
4,90
6,40
7,70
9,60
DIM
4040064/F 01/97
NOTES: A.
B.
C.
D.
All linear dimensions are in millimeters.
This drawing is subject to change without notice.
Body dimensions do not include mold flash or protrusion not to exceed 0,15.
Falls within JEDEC MO-153
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
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