SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 2 19 3 18 4 17 5 16 6 15 7 14 8 13 9 12 10 11 VCC 1Q 2Q 3Q 4Q 5Q 6Q 7Q 8Q LE 1D 2D 3D 4D 5D 6D 7D 8D 20 2D 1D OE VCC 1 SN54ABT573 . . . FK PACKAGE (TOP VIEW) 19 1Q 18 2Q 2 3 3D 4D 5D 6D 7D 17 3Q 16 4Q 4 5 15 5Q 14 6Q 6 7 13 7Q 12 8Q 8 9 10 11 4 3 2 1 20 19 18 5 17 6 16 7 15 8 14 9 10 11 12 13 2Q 3Q 4Q 5Q 6Q 8D GND LE 8Q 7Q 20 VCC 1 LE OE 1D 2D 3D 4D 5D 6D 7D 8D GND JEDEC Standard JESD 17 ESD Protection Exceeds JESD 22 − 2000-V Human-Body Model (A114-A) − 200-V Machine Model (A115-A) SN74ABT573A . . . RGY PACKAGE (TOP VIEW) OE SN54ABT573 . . . J OR W PACKAGE SN74ABT573A . . . DB, DW, N, NS, OR PW PACKAGE (TOP VIEW) D GND D D D Latch-Up Performance Exceeds 500 mA Per <1 V at VCC = 5 V, TA = 25°C High-Drive Outputs (−32-mA IOH, 64-mA IOL) Ioff Supports Partial-Power-Down Mode Operation 1Q D Typical VOLP (Output Ground Bounce) description/ordering information These 8-bit 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. ORDERING INFORMATION Tube SN74ABT573AN SN74ABT573AN QFN − RGY Tape and reel SN74ABT573ARGYR AB573A Tube SN74ABT573ADW Tape and reel SN74ABT573ADWR SOP − NS Tape and reel SN74ABT573ANSR ABT573A SSOP − DB Tape and reel SN74ABT573ADBR AB573A Tube SN74ABT573APW Tape and reel SN74ABT573APWR TSSOP − PW VFBGA − GQN VFBGA − ZQN (Pb-free) −55°C −55 C to 125 125°C C TOP-SIDE MARKING PDIP − N SOIC − DW −40°C to 85°C ORDERABLE PART NUMBER PACKAGE† TA ABT573A AB573A SN74ABT573AGQNR Tape and reel SN74ABT573AZQNR AB573A CDIP − J Tube SNJ54ABT573J SNJ54ABT573J CFP − W Tube SNJ54ABT573W SNJ54ABT573W LCCC − FK Tube SNJ54ABT573FK SNJ54ABT573FK † 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 ! "#$ ! %#&'" ($) (#"! " !%$""! %$ *$ $! $+! !#$! !(( ,-) (#" %"$!!. ($! $"$!!'- "'#($ $!. '' %$$!) %(#"! "%' /01 '' %$$! $ $!$( #'$!! *$,!$ $() '' *$ %(#"! %(#" %"$!!. ($! $"$!!'- "'#($ $!. '' %$$!) POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 description/ordering information (continued) A buffered output-enable (OE) 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 need for interface or pullup components. 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. 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. This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. SN74ABT573A . . . GQN OR ZQN PACKAGE (TOP VIEW) 1 2 3 terminal assignments 4 1 2 3 4 A A 1D OE B 3D 3Q VCC 2D 1Q B C C 5D 4D 5Q 4Q D D 7D 7Q 6D 6Q E E GND 8D LE 8Q 2Q FUNCTION TABLE (each latch) INPUTS OE LE D OUTPUT Q L H H H L H L L L L X Q0 H X X Z logic diagram (positive logic) OE LE 1 11 C1 1D 2 19 1D To Seven Other Channels Pin numbers shown are for the DB, DW, FK, J, N, NS, PW, RGY, and W packages. 2 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1Q SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 absolute maximum ratings over operating free-air temperature range (unless otherwise noted)† Supply voltage range, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V Input voltage range, VI (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −0.5 V to 7 V Voltage range applied to any output in the high or power-off state, VO . . . . . . . . . . . . . . . . . . . −0.5 V to 5.5 V Current into any output in the low state, IO: SN54ABT573 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 mA SN74ABT573A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −18 mA Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . −50 mA Package thermal impedance, θJA (see Note 2): DB package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W (see Note 2): DW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58°C/W (see Note 2): GQN/ZQN package . . . . . . . . . . . . . . . . . . . . . . . . . . . 78°C/W (see Note 2): N package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69°C/W (see Note 2): NS package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60°C/W (see Note 2): PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83°C/W (see Note 3): RGY package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37°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 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 JESD 51-7. 3. The package thermal impedance is calculated in accordance with JESD 51-5. recommended operating conditions (see Note 4) SN54ABT573 MAX MIN MAX 4.5 5.5 4.5 5.5 VCC VIH Supply voltage VIL VI Low-level input voltage IOH IOL High-level output current VCC −24 Low-level output current ∆t/∆v Input transition rise or fall rate High-level input voltage SN74ABT573A MIN 2 2 0.8 Input voltage 0 Outputs enabled V V 0.8 0 UNIT V VCC −32 mA V 48 64 mA 5 5 ns/V TA Operating free-air temperature −55 125 −40 85 °C NOTE 4: 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. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 3 SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 electrical characteristics over recommended operating free-air temperature range (unless otherwise noted) PARAMETER VIK VOH TEST CONDITIONS VCC = 4.5 V, VCC = 4.5 V, II = −18 mA IOH = −3 mA VCC = 5 V, VCC = 4.5 V VOL VCC = 4.5 V Vhys II TA = 25°C TYP† MAX SN54ABT573 MIN MAX −1.2 SN74ABT573A MIN −1.2 MAX −1.2 2.5 2.5 2.5 IOH = −3 mA IOH = −24 mA 3 3 3 2 2 IOH = −32 mA IOL = 48 mA 2* IOL = 64 mA 0.55 0.55* Ioff ICEX IO§ VI = VCC or GND VO = 2.7 V VCC = 5.5 V, VCC = 0, VO = 0.5 V VI or VO ≤ 4.5 V VCC = 5.5 V, VCC = 5.5 V, VO = 5.5 V VO = 2.5 V 0.55 ICC ∆ICC¶ VCC = 5.5 V, One input at 3.4 V, Other inputs at VCC or GND Ci VI = 2.5 V or 0.5 V VO = 2.5 V or 0.5 V ±1 10‡ −10‡ ±100 Outputs high VCC = 5.5 V, IO = 0, VI = VCC or GND V mV ±1 10‡ −10‡ 50 −50 V 2 0.55 VCC = 5.5 V, VCC = 5.5 V, UNIT V 100 IOZH IOZL Co MIN 50 −50 −180 −50 ±1 10‡ −10‡ µA ±100 µA 50 µA −180 mA µA µA −100 −180 Outputs high 1 250 250 250 µA Outputs low 24 30 30 30 mA Outputs disabled 0.5 250 250 250 µA 1.5 1.5 1.5 mA 3.5 pF 6.5 pF * On products compliant to MIL-PRF-38535, this parameter does not apply. † All typical values are at VCC = 5 V. ‡ This data sheet limit may vary among suppliers. § Not more than one output should be tested at a time, and the duration of the test should not exceed one second. ¶ This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND. timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN54ABT573 VCC = 5 V, TA = 25°C MIN 4 tw Pulse duration, LE high tsu Setup time, data before LE↓ th Hold time, data after LE↓ POST OFFICE BOX 655303 MIN UNIT MAX 3.3 3.3 High 1.9 2.5 Low 1.5 2.5 1 2.5 • DALLAS, TEXAS 75265 MAX ns ns ns SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 timing requirements over recommended ranges of supply voltage and operating free-air temperature (unless otherwise noted) (see Figure 1) SN74ABT573A VCC = 5 V, TA = 25°C MIN tw tsu Pulse duration, LE high Setup time, data before LE↓ MIN UNIT MAX 3.3 3.3 High 1.9 1.9 Low 1.5 1.8† 1.5 1.8† th Hold time, data after LE↓ † This data-sheet limit may vary among suppliers. MAX ns ns ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN54ABT573 PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL D Q tPLH tPHL LE Q tPZH tPZL OE Q tPHZ tPLZ OE Q VCC = 5 V, TA = 25°C MIN MAX MIN TYP MAX 1.9 3.2 5.4 1.4 6.4 2.2 4.2 5.7 1.6 6.7 2.2 4 6.1 2 7.1 3.2 5.2 6.7 2.8 7.5 1.2 3.2 4.7 0.8 6.2 2.7 4.7 6.2 2 7.2 2.5 4.9 6.4 2.2 7.7 2 4.2 6 1.4 7 UNIT ns ns ns ns switching characteristics over recommended ranges of supply voltage and operating free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 1) SN74ABT573A PARAMETER FROM (INPUT) TO (OUTPUT) tPLH tPHL D Q tPLH tPHL LE Q tPZH tPZL OE Q tPHZ tPLZ OE Q VCC = 5 V, TA = 25°C MIN MAX MIN TYP MAX 1.9 3.2 5.4 1.9 5.9 2.2 4.2 5.7 2.2 6.2 2.2 4 6.1 2.2 6.6 3.2 5.2 6.7 3.2 7.2 1.2 2.5† 3.2 4.7 6.2 1.2 2.5† 5.2 4.7 2.5 4.9 6.4 2.5 6.7 7.1† 2 4.2 6 2 6.5 UNIT ns ns ns ns † This data-sheet limit may vary among suppliers. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 5 SCBS190F − JANUARY 1991 − REVISED SEPTEMBER 2003 PARAMETER MEASUREMENT INFORMATION 500 Ω From Output Under Test S1 7V Open GND CL = 50 pF (see Note A) 500 Ω TEST S1 tPLH/tPHL tPLZ/tPZL tPHZ/tPZH Open 7V Open 3V LOAD CIRCUIT Timing Input 1.5 V 0V tw tsu 3V th 3V Input 1.5 V 1.5 V 0V Data Input 1.5 V 0V VOLTAGE WAVEFORMS SETUP AND HOLD TIMES VOLTAGE WAVEFORMS PULSE DURATION 3V 1.5 V Input 1.5 V 0V 1.5 V 1.5 V VOL Output tPLZ 3.5 V 1.5 V 1.5 V VOL VOLTAGE WAVEFORMS PROPAGATION DELAY TIMES INVERTING AND NONINVERTING OUTPUTS Output Waveform 2 S1 at Open (see Note B) VOL + 0.3 V VOL tPHZ tPZH VOH 1.5 V 1.5 V 0V Output Waveform 1 S1 at 7 V (see Note B) tPLH tPHL 1.5 V tPZL VOH Output 3V Output Control tPHL tPLH 1.5 V 1.5 V VOH − 0.3 V VOH ≈0 V VOLTAGE WAVEFORMS ENABLE AND DISABLE TIMES LOW- AND HIGH-LEVEL ENABLING 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. E. All parameters and waveforms are not applicable to all devices. Figure 1. Load Circuit and Voltage Waveforms 6 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 MCFP006B − JANUARY 1995 − REVISED JULY 2003 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) 0.009 (0,23) 0.004 (0,10) 0.100 (2,54) 0.045 (1,14) 0.320 (8,13) MAX 1 0.022 (0,56) 0.015 (0,38) 20 0.050 (1,27) 0.540 (13,72) MAX 0.005 (0,13) MIN 4 Places 10 11 0.370 (9,40) 0.250 (6,35) 0.370 (9,40) 0.250 (6,35) 4040180-4 /D 07/03 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 ceramic lid using glass frit. Index point is provided on cap for terminal identification only. Falls within Mil-Std 1835 GDFP2-F20 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 MECHANICAL DATA MPBG133C – APRIL 2000 – REVISED AUGUST 2002 GQN (R-PBGA-N20) PLASTIC BALL GRID ARRAY 1,95 TYP 3,10 2,90 0,65 0,325 0,65 E D 4,10 3,90 2,60 C B A 1 A1 Corner 2 3 4 Bottom View 1,00 MAX 0,08 Seating Plane 20× 0,45 0,35 0,25 0,15 0,05 M 4200704/D 07/2002 NOTES: A. B. C. D. E. All linear dimensions are in millimeters. This drawing is subject to change without notice. MicroStar Juniort configuration Falls within JEDEC MO-225 variation BC. This package is tin-lead (SnPb). Refer to the 20 ZQN package (drawing 4204492) for lead-free. MicroStar Junior is a trademark of Texas Instruments. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 1 MECHANICAL DATA MPBG297 – JULY 2002 ZQN (R-PBGA-N20) PLASTIC BALL GRID ARRAY 1,95 0,65 3,10 2,90 0,325 0,65 E D 4,10 3,90 2,60 C B A 1 2 3 4 Bottom View A1 Corner 1,00 Max 0,08 Seating Plane 20× 0,45 0,35 0,05 M 0,25 0,15 4204492/A 06/2002 NOTES: A. B. C. D. E. All linear dimensions are in millimeters. This drawing is subject to change without notice. MicroStar Junior configuration. Fall within JEDEC MO-225 variation BC. This package is lead-free. Refer to the 20 GQN package (drawing 4200704) for tin-lead )SnPb). MicroStar Junior is a trademark of Texas Instruments. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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. POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 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. 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