TI SN74HC74N

SN54HC74, SN74HC74
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS094D – DECEMBER 1982 – REVISED JULY 2003
D
D
D
D
D
D
Wide Operating Voltage Range of 2 V to 6 V
Outputs Can Drive Up To 10 LSTTL Loads
Low Power Consumption, 40-µA Max ICC
Typical tpd = 15 ns
±4-mA Output Drive at 5 V
Low Input Current of 1 µA Max
SN54HC74 . . . J OR W PACKAGE
SN74HC74 . . . D, DB, N, NS, OR PW PACKAGE
(TOP VIEW)
1CLR
1D
1CLK
1PRE
1Q
1Q
GND
description/ordering information
14
2
13
3
12
4
11
5
10
6
9
7
8
VCC
2CLR
2D
2CLK
2PRE
2Q
2Q
1D
1CLR
NC
VCC
2CLR
SN54HC74 . . . FK PACKAGE
(TOP VIEW)
1CLK
NC
1PRE
NC
1Q
4
3 2 1 20 19
18
5
17
6
16
7
15
8
14
9 10 11 12 13
2D
NC
2CLK
NC
2PRE
1Q
GND
NC
2Q
2Q
The ’HC74 devices contain two independent
D-type positive-edge-triggered flip-flops. A low
level at the preset (PRE) or clear (CLR) inputs sets
or resets the outputs, regardless of the levels of
the other inputs. When PRE and CLR are inactive
(high), data at the data (D) input meeting the setup
time requirements are transferred to the outputs
on the positive-going edge of the clock (CLK)
pulse. Clock triggering occurs at a voltage level
and is not directly related to the rise time of CLK.
Following the hold-time interval, data at the
D input can be changed without affecting the
levels at the outputs.
1
NC – No internal connection
ORDERING INFORMATION
PACKAGE†
TA
PDIP – N
SN74HC74N
Tube of 50
SN74HC74D
Reel of 2500
SN74HC74DR
Reel of 250
SN74HC74DT
SOP – NS
Reel of 2000
SN74HC74NSR
HC74
SSOP – DB
Reel of 2000
SN74HC74DBR
HC74
Tube of 90
SN74HC74PW
Reel of 2000
SN74HC74PWR
Reel of 250
SN74HC74PWT
CDIP – J
Tube of 25
SNJ54HC74J
SNJ54HC74J
CFP – W
Tube of 150
SNJ54HC74W
SNJ54HC74W
LCCC – FK
Tube of 55
SNJ54HC74FK
TSSOP – PW
–55°C to 125°C
TOP-SIDE
MARKING
Tube of 25
SOIC – D
–40°C to 85°C
ORDERABLE
PART NUMBER
SN74HC74N
HC74
HC74
SNJ54HC74FK
† 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  2003, 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.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
SN54HC74, SN74HC74
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS094D – DECEMBER 1982 – REVISED JULY 2003
FUNCTION TABLE
OUTPUTS
INPUTS
PRE
CLR
CLK
D
Q
Q
L
H
X
X
H
L
H
L
X
X
L
L
X
X
L
H†
H
H†
H
H
↑
H
H
L
H
H
↑
L
L
H
H
H
L
X
Q0
Q0
† This configuration is nonstable; that is, it does not
persist when PRE or CLR returns to its inactive
(high) level.
logic diagram (positive logic)
PRE
CLK
C
C
Q
TG
C
C
C
C
C
D
TG
TG
TG
Q
C
C
C
CLR
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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±25 mA
Continuous current through VCC or GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ±50 mA
Package thermal impedance, θJA (see Note 2): D package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W
DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96°C/W
N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80°C/W
NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76°C/W
PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113°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
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SN54HC74, SN74HC74
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS094D – DECEMBER 1982 – REVISED JULY 2003
recommended operating conditions (see Note 3)
SN54HC74
VCC
Supply voltage
VIH
VCC = 2 V
VCC = 4.5 V
High-level input voltage
VCC = 6 V
VCC = 2 V
VIL
Low-level input voltage
VI
VO
MAX
2
5
6
NOM
MAX
2
5
6
1.5
3.15
3.15
4.2
4.2
0
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 transition rise/fall time
MIN
1.5
0
Output voltage
∆t/∆v
NOM
VCC = 4.5 V
VCC = 6 V
Input voltage
SN74HC74
MIN
0
VCC
VCC
0
1000
1000
500
500
V
V
V
ns
VCC = 6 V
400
400
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
Ci
TA = 25°C
TYP
MAX
SN54HC74
SN74HC74
MIN
MIN
MAX
MAX
UNIT
2V
1.9
1.998
1.9
1.9
4.5 V
4.4
4.499
4.4
4.4
6V
5.9
5.999
5.9
5.9
IOH = –4 mA
IOH = –5.2 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
4
80
40
µA
3
10
10
10
pF
VI = VIH or VIL
VI = VIH or VIL
VI = VCC or 0
VI = VCC or 0,
MIN
IOH = –20 µA
IOL = 4 mA
IOL = 5.2 mA
II
ICC
VCC
IO = 0
6V
2 V to 6 V
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
V
V
3
SN54HC74, SN74HC74
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS094D – DECEMBER 1982 – REVISED JULY 2003
timing requirements over recommended operating free-air temperature range (unless otherwise
noted)
VCC
fclock
Clock frequency
PRE or CLR low
tw
Pulse duration
CLK high or low
Data
↑
Setup time before CLK↑
tsu
PRE or CLR inactive
Hold time, data after CLK↑
↑
th
TA = 25°C
MIN
MAX
SN54HC74
SN74HC74
MIN
MIN
MAX
MAX
2V
6
4.2
5
4.5 V
31
21
25
6V
0
36
0
25
0
2V
100
150
125
4.5 V
20
30
25
6V
17
25
21
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
25
40
30
4.5 V
5
8
6
6V
4
7
5
2V
0
0
0
4.5 V
0
0
0
6V
0
0
0
UNIT
MHz
29
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
PRE or CLR
Q or Q
tpd
d
CLK
tt
Q or Q
Q or Q
VCC
TA = 25°C
MIN
TYP
MAX
SN54HC74
SN74HC74
MIN
MIN
MAX
2V
6
10
4.2
5
4.5 V
31
50
21
25
6V
36
60
25
29
MAX
UNIT
MHz
2V
70
230
345
290
4.5 V
20
46
69
58
6V
15
39
59
49
2V
70
175
250
220
4.5 V
20
35
50
44
6V
15
30
42
37
2V
28
75
110
95
4.5 V
8
15
22
19
6V
6
13
19
16
ns
ns
operating characteristics, TA = 25°C
PARAMETER
Cpd
4
TEST CONDITIONS
Power dissipation capacitance per flip-flop
POST OFFICE BOX 655303
No load
• DALLAS, TEXAS 75265
TYP
35
UNIT
pF
SN54HC74, SN74HC74
DUAL D-TYPE POSITIVE-EDGE-TRIGGERED FLIP-FLOPS
WITH CLEAR AND PRESET
SCLS094D – DECEMBER 1982 – REVISED JULY 2003
PARAMETER MEASUREMENT INFORMATION
From Output
Under Test
Test
Point
VCC
High-Level
Pulse
50%
50%
0V
CL = 50 pF
(see Note A)
tw
VCC
Low-Level
Pulse
LOAD CIRCUIT
50%
50%
0V
VOLTAGE WAVEFORMS
PULSE DURATIONS
Reference
Input
VCC
50%
Input
VCC
50%
50%
0V
0V
tsu
Data
Input
50%
10%
90%
tr
th
tPLH
90%
VCC
50%
10% 0 V
In-Phase
Output
90%
90%
tr
tf
VOLTAGE WAVEFORMS
SETUP AND HOLD AND INPUT RISE AND FALL TIMES
50%
10%
tPHL
tPHL
Out-of-Phase
Output
90%
VOH
50%
10%
VOL
tf
tPLH
50%
10%
tf
50%
10%
90%
VOH
VOL
tr
VOLTAGE WAVEFORMS
PROPAGATION DELAY AND OUTPUT TRANSITION TIMES
NOTES: A. CL includes probe and test-fixture capacitance.
B. 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.
C. For clock inputs, fmax is measured when the input duty cycle is 50%.
D. The outputs are measured one at a time with one input transition per measurement.
E. tPLH and tPHL are the same as tpd.
Figure 1. Load Circuit and Voltage Waveforms
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
5
PACKAGE OPTION ADDENDUM
www.ti.com
8-Mar-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
5962-8405601VCA
ACTIVE
CDIP
J
14
1
None
Call TI
Level-NC-NC-NC
5962-8405601VDA
ACTIVE
CFP
W
14
1
None
Call TI
Level-NC-NC-NC
Package
Drawing
Pins Package Eco Plan (2)
Qty
Lead/Ball Finish
MSL Peak Temp (3)
84056012A
ACTIVE
LCCC
FK
20
1
None
Call TI
Level-NC-NC-NC
8405601CA
ACTIVE
CDIP
J
14
1
None
Call TI
Level-NC-NC-NC
8405601DA
ACTIVE
CFP
W
14
1
None
Call TI
Level-NC-NC-NC
JM38510/65302B2A
ACTIVE
LCCC
FK
20
1
None
Call TI
Level-NC-NC-NC
JM38510/65302BCA
ACTIVE
CDIP
J
14
1
None
Call TI
Level-NC-NC-NC
JM38510/65302BDA
ACTIVE
CFP
W
14
1
None
Call TI
Level-NC-NC-NC
1
None
Call TI
Level-NC-NC-NC
None
Call TI
Call TI
50
Pb-Free
(RoHS)
CU NIPDAU
None
Call TI
Pb-Free
(RoHS)
CU NIPDAU
Level-2-260C-1 YEAR/
Level-1-235C-UNLIM
SN54HC74J
ACTIVE
CDIP
J
14
SN74HC74ADBLE
OBSOLETE
SSOP
DB
14
SN74HC74D
ACTIVE
SOIC
D
14
SN74HC74DBLE
OBSOLETE
SSOP
DB
14
SN74HC74DBR
ACTIVE
SSOP
DB
14
2000
SN74HC74DR
ACTIVE
SOIC
D
14
2500 Green (RoHS &
no Sb/Br)
CU NIPDAU
Level-1-260C-UNLIM
SN74HC74DT
ACTIVE
SOIC
D
14
250
Pb-Free
(RoHS)
CU NIPDAU
Level-2-260C-1 YEAR/
Level-1-235C-UNLIM
SN74HC74N
ACTIVE
PDIP
N
14
25
Pb-Free
(RoHS)
CU NIPDAU
Level-NC-NC-NC
SN74HC74N3
OBSOLETE
PDIP
N
14
None
Call TI
SN74HC74NSR
ACTIVE
SO
NS
14
2000
Pb-Free
(RoHS)
CU NIPDAU
Level-2-260C-1 YEAR/
Level-1-235C-UNLIM
SN74HC74PW
ACTIVE
TSSOP
PW
14
90
Pb-Free
(RoHS)
CU NIPDAU
Level-1-250C-UNLIM
SN74HC74PWLE
OBSOLETE
TSSOP
PW
14
None
Call TI
SN74HC74PWR
ACTIVE
TSSOP
PW
14
2000
Pb-Free
(RoHS)
CU NIPDAU
Level-1-250C-UNLIM
SN74HC74PWT
ACTIVE
TSSOP
PW
14
250
Pb-Free
(RoHS)
CU NIPDAU
Level-1-250C-UNLIM
SNJ54HC74FK
ACTIVE
LCCC
FK
20
1
None
Call TI
Level-NC-NC-NC
SNJ54HC74J
ACTIVE
CDIP
J
14
1
None
Call TI
Level-NC-NC-NC
SNJ54HC74W
ACTIVE
CFP
W
14
1
None
Call TI
Level-NC-NC-NC
Level-2-260C-1 YEAR/
Level-1-235C-UNLIM
Call TI
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 - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional
product content details.
None: Not yet available Lead (Pb-Free).
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.
Addendum-Page 1
PACKAGE OPTION ADDENDUM
www.ti.com
8-Mar-2005
Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens,
including bromine (Br) or antimony (Sb) above 0.1% of total product weight.
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry 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 2
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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• DALLAS, TEXAS 75265
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
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
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
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Following are URLs where you can obtain information on other Texas Instruments products and application
solutions:
Products
Applications
Amplifiers
amplifier.ti.com
Audio
www.ti.com/audio
Data Converters
dataconverter.ti.com
Automotive
www.ti.com/automotive
DSP
dsp.ti.com
Broadband
www.ti.com/broadband
Interface
interface.ti.com
Digital Control
www.ti.com/digitalcontrol
Logic
logic.ti.com
Military
www.ti.com/military
Power Mgmt
power.ti.com
Optical Networking
www.ti.com/opticalnetwork
Microcontrollers
microcontroller.ti.com
Security
www.ti.com/security
Telephony
www.ti.com/telephony
Video & Imaging
www.ti.com/video
Wireless
www.ti.com/wireless
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