CAT5114 32-Tap Digitally Programmable Potentiometer (DPP™) FEATURES DESCRIPTION 32-position linear taper potentiometer The CAT5114 is a single digitally programmable potentiometer (DPP™) designed as a electronic replacement for mechanical potentiometers and trim pots. Ideal for automated adjustments on high volume production lines, they are also well suited for applications where equipment requiring periodic adjustment is either difficult to access or located in a hazardous or remote environment. Non-volatile EEPROM wiper storage Low standby current Single supply operation: 2.5V – 6V Increment up/down serial interface Resistance values: 10kΩ, 50kΩ and 100kΩ Available in PDIP, SOIC, TSSOP, MSOP and space saving 2 x 2.5mm TDFN packages The CAT5114 contains a 32-tap series resistor array connected between two terminals RH and RL. An up/ down counter and decoder that are controlled by three input pins, determines which tap is connected to the wiper, RW. The wiper setting, stored in nonvolatile memory, is not lost when the device is powered down and is automatically reinstated when power is returned. The wiper can be adjusted to test new system values without affecting the stored setting. Wiper-control of the CAT5114 is accomplished with ¯¯ , U/D̄, and INC ¯¯¯ . The INC ¯¯¯ three input control pins, CS input increments the wiper in the direction which is ¯¯ determined by the logic state of the U/D̄ input. The CS input is used to select the device and also store the wiper position prior to power down. APPLICATIONS Automated product calibration Remote control adjustments Offset, gain and zero control Tamper-proof calibrations Contrast, brightness and volume controls Motor controls and feedback systems Programmable analog functions The digitally programmable potentiometer can be used as a three-terminal resistive divider or as a twoterminal variable resistor. DPPs bring variability and programmability to a wide variety of applications including control, parameter adjustments, and signal processing. For Ordering Information details, see page 14. FUNCTIONAL DIAGRAM U/D INC CS VCC INC RH/VH 30 29 RH/VH U/D Control and Memory RH/VH 31 5-BIT UP/DOWN COUNTER 5-BIT NONVOLATILE MEMORY 28 32-POSITION DECODER RW/VW CS TRANSFER GATES RESISTOR ARRAY RW/VW 2 Power On Recall GND RL/VL VCC GND STORE AND RECALL CONTROL CIRCUITRY 1 0 RL/VL RW/VW General © Catalyst Semiconductor, Inc. Characteristics subject to change without notice Detailed 1 RL/VL Electronic Potentiometer Implementation Doc. No. MD-2007 Rev. O CAT5114 PIN CONFIGURATION PIN DESCRIPTIONS PDIP 8-Lead (L), SOIC 8-Lead (V), MSOP 8-Lead (Z) ¯¯¯ INC 1 U/D̄ 2 RH 3 GND 4 TSSOP 8-Lead (Y) ¯¯ CS 1 VCC 2 ¯¯¯ INC 3 U/D̄ 4 8 CAT RL 7 RWB 6 GND 5 RH CAT Name Function ¯¯¯ INC Increment Control 8 VCC U/D̄ Up/Down Control 7 ¯¯ CS RH Potentiometer High Terminal 6 RL 5 RWB GND Ground TDFN 8-Pad (ZD7, VP2) Top View ¯¯¯ 1 INC 8 VCC U/D̄ 2 ¯¯ 7 CS RH 3 6 RL GND 4 RW Buffered Wiper Terminal RL Potentiometer Low Terminal ¯¯ CS Chip Select VCC Supply Voltage 5 RWB PIN FUNCTION ¯¯¯ : Increment Control Input INC ¯¯¯ input moves the wiper in the up or down The INC direction determined by the condition of the U/D̄ input. ¯¯¯ and U/D̄ inputs will not high state, activity on the INC affect or change the position of the wiper. U/D̄: Up/Down Control Input The U/D̄ input controls the direction of the wiper ¯¯ is low, any movement. When in a high state and CS ¯¯¯ high-to-low transition on INC will cause the wiper to move one increment toward the RH terminal. When in ¯¯ is low, any high-to-low transition a low state and CS ¯¯¯ on INC will cause the wiper to move one increment towards the RL terminal. The CAT5114 operates like a digitally controlled potentiometer with RH and RL equivalent to the high and low terminals and RW equivalent to the mecha– nical potentiometer's wiper. There are 32 available tap positions including the resistor end points, RH and RL. There are 31 resistor elements connected in series between the RH and RL terminals. The wiper terminal is connected to one of the 32 taps and controlled by ¯¯¯, U/D̄ and CS ¯¯ . These inputs control a three inputs, INC seven-bit up/down counter whose output is decoded to select the wiper position. The selected wiper position can be stored in non-volatile memory using ¯¯¯ and CS ¯¯ inputs. the INC DEVICE OPERATION RH: High End Potentiometer Terminal RH is the high end terminal of the potentiometer. It is not required that this terminal be connected to a potential greater than the RL terminal. Voltage applied to the RH terminal cannot exceed the supply voltage, VCC or go below ground, GND. ¯¯ set LOW the CAT5114 is selected and will With CS ¯¯¯ inputs. HIGH to LOW respond to the U/D̄ and INC ¯¯¯ wil increment or decrement the wiper transitions on INC (depending on the state of the U/D̄ input and seven-bit counter). The wiper, when at either fixed terminal, acts like its mechanical equivalent and does not move beyond the last position. The value of the counter is ¯¯ transitions stored in nonvolatile memory whenever CS ¯¯¯ input is also HIGH. When the HIGH while the INC CAT5114 is powered-down, the last stored wiper counter position is maintained in the nonvolatile memory. When power is restored, the contents of the memory are recalled and the counter is set to the value stored. RW: Wiper Potentiometer Terminal RW is the wiper terminal of the potentiometer. Its position on the resistor array is controlled by the ¯¯¯, U/D̄ and CS ¯¯ . Voltage applied to control inputs, INC the RW terminal cannot exceed the supply voltage, VCC or go below ground, GND. RL: Low End Potentiometer Terminal RL is the low end terminal of the potentiometer. It is not required that this terminal be connected to a potential less than the RH terminal. Voltage applied to the RL terminal cannot exceed the supply voltage, VCC or go below ground, GND. RL and RH are electrically interchangeable. ¯¯¯ set low, the CAT5114 may be de-selected With INC and powered down without storing the current wiper position in nonvolatile memory. This allows the system to always power up to a preset value stored in nonvolatile memory. ¯¯ : Chip Select CS The chip select input is used to activate the control input of the CAT5114 and is active low. When in a Doc. No. MD-2007 Rev. O 2 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 RH OPERATION MODES ¯¯¯ INC ¯¯ CS U/D̄ Operation High to Low Low High Wiper toward H High to Low Low Low Wiper toward L High Low to High X Store Wiper Position Low Low to High X No Store, Return to Standby X High X Standby ABSOLUTE MAXIMUM RATINGS Parameters Supply Voltage VCC to GND Inputs ¯¯ to GND CS ¯¯¯ to GND INC U/D̄ to GND H to GND L to GND W to GND CH RWI RW CW CL RL Potentiometer Equivalent Circuit (1) Ratings Units -0.5 to +7V V -0.5 to VCC +0.5 -0.5 to VCC +0.5 -0.5 to VCC +0.5 -0.5 to VCC +0.5 -0.5 to VCC +0.5 -0.5 to VCC +0.5 V V V V V V Parameters Operating Ambient Temperature Industrial (‘I’ suffix) Junction Temperature Storage Temperature Lead Soldering (10s max) Ratings Units -40 to +85 +150 -65 to 150 +300 ºC ºC ºC ºC RELIABILITY CHARACTERISTICS Symbol Test Method Min ESD Susceptibility MIL-STD-883, Test Method 3015 2000 V Latch-Up JEDEC Standard 17 100 mA TDR Data Retention MIL-STD-883, Test Method 1008 100 Years NEND Endurance MIL-STD-883, Test Method 1003 1,000,000 Stores VZAP (2) ILTH (2)(3) Parameter Typ Max Units DC ELECTRICAL CHARACTERISTICS VCC = +2.5V to +6V unless otherwise specified Power Supply Symbol VCC Parameter Operating Voltage Range ICC1 Supply Current (Increment) ICC2 Supply Current (Write) ISB1(3) Conditions Supply Current (Standby) VCC = 6V, f = 1MHz, IW = 0 VCC = 6V, f = 250kHz, IW = 0 Programming, VCC = 6V VCC = 3V ¯¯ = VCC - 0.3V CS ¯¯¯ = VCC - 0.3V or GND U/D̄, INC Min Typ Max Units 2.5 – – – – – – – – – 6.0 100 50 1000 500 V µA µA µA µA – – 1 µA Notes (1) Stresses above 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 outside of those listed in the operational sections of this specification is not implied. Exposure to any absolute maximum rating for extended periods may affect device performance and reliability. (2) This parameter is tested initially and after a design or process change that affects the parameter. (3) Latch-up protection is provided for stresses up to 100mA on address and data pins from -1V to VCC + 1V. (4) IW = source or sink. (5) These parameters are periodically sampled and are not 100% tested. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 3 Doc. No. MD-2007 Rev. O CAT5114 Logic Inputs Symbol Parameter Conditions IIH Input Leakage Current VIN = VCC IIL Input Leakage Current VIN = 0V VIH1 TTL High Level Input Voltage VIL1 TTL Low Level Input Voltage VIH2 CMOS High Level Input Voltage VIL2 CMOS Low Level Input Voltage 4.5V ≤ VCC ≤ 5.5V 2.5V ≤ VCC ≤ 6V Min Typ Max Units – – 10 µA – – -10 µA 2 – VCC V 0 – 0.8 V VCC x 0.7 – VCC + 0.3 V -0.3 – VCC x 0.2 V Potentiometer Characteristics Symbol RPOT Parameter Potentiometer Resistance Conditions Min Typ -10 Device 10 -50 Device 50 -00 Device 100 Pot. Resistance Tolerance Max Units kΩ ±20 % VRH Voltage on RH pin 0 VCC V VRL Voltage on RL pin 0 VCC V Resolution 3.2 % INL Integral Linearity Error IW ≤ 2µA 0.5 1 LSB DNL Differential Linearity Error IW ≤ 2µA 0.25 0.5 LSB RWI Wiper Resistance VCC = 5V, IW = 1mA 70 200 Ω VCC = 2.5V, IW = 1mA 150 400 Ω 4.4 mA IW Wiper Current TCRPOT TC of Pot Resistance TCRATIO Ratiometric TC VN CH/CL/CW fc Noise -4.4 300 20 100kHz / 1kHz Potentiometer Capacitances Frequency Response Doc. No. MD-2007 Rev. O ppm/ºC Passive Attenuator, 10kΩ 4 ppm/ºC 8/24 nV/√Hz 8/8/25 pF 1.7 MHz © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 AC CONDITIONS OF TEST VCC Range 2.5V ≤ VCC ≤ 6V Input Pulse Levels 0.2VCC to 0.7VCC Input Rise and Fall Times 10ns Input Reference Levels 0.5VCC AC OPERATING CHARACTERISTICS VCC = +2.5V to +6.0V, VH = VCC, VL = 0V, unless otherwise specified Symbol tCI tDI tID tIL tIH tIC tCPH tCPH tIW tCYC (2) tR, tF tPU (2) tWR (1) Max Units – – ns 50 – – ns 100 – – ns 250 – – ns ¯¯¯ HIGH Period INC ¯¯¯ Inactive to CS ¯¯ Inactive INC 250 – – ns 1 – – µs ¯¯ Deselect Time (NO STORE) CS ¯¯ Deselect Time (STORE) CS 100 – – ns 10 – – ms ¯¯¯ to VOUT Change INC ¯¯¯ Cycle Time INC – 1 5 µs 1 – – µs ¯¯¯ Input Rise and Fall Time INC – – 500 µs Power-up to Wiper Stable – – 1 ms Store Cycle – 5 10 ms Parameter Min Typ ¯¯ to INC ¯¯¯ Setup CS ¯¯¯ Setup U/D̄ to INC 100 ¯¯¯ Hold U/D̄ to INC ¯¯¯ LOW Period INC A.C. TIMING CS tCI tIL tCYC tIC tIH (store) tCPH 90% INC 90% 10% tDI tID tF U /D tIW tR MI(3) RW Notes (1) Typical values are for TA = 25ºC and nominal supply voltage. (2) This parameter is periodically sampled and not 100% tested. (3) MI in the A.C. Timing diagram refers to the minimum incremental change in the W output due to a change in the wiper position. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 5 Doc. No. MD-2007 Rev. O CAT5114 APPLICATIONS INFORMATION POTENTIOMETER CONFIGURATION (a) resistive divider (b) variable resistance (c) two-port APPLICATIONS 3 V1 (-) 2 A1 + 1 R3 R4 – +5V 9 8 R2 – R2 + 4 R1 1 DPP 7 10 11 R1 8 2 +5V 2 +5V +5V RA 6 1 DPP 7 A3 5 4 VO 8 3 CAT5114 6 V2 (+) 5 A2 – R3 3 (1-p)R POT 555 R2 R4 6 +2.5V 7 + 8 7 RB 4 CAT5113/5114 4 pRPOT C A1 = A2 = A3 = ¼ LM6064 R2 = R3 = R4 = 5kΩ RPOT = 10kΩ 5 2 0.01µF 0.003µF 1 0.01µF Programmable Sq. Wave Oscillator (555) Programmable Instrumentation Amplifier +5V 100kΩ 8 2 1 DPP CAT5113/5114 7 VO (REG) VOUT 4 R1 11kΩ 2952 VIN (UNREG) SHUTDOWN SD FB 1.23V GND +5V 0.1µF 6.8µF 8 2 1 DPP 7 – 7 3 CAT5113/5114 4 R3 10kΩ 5 IS 6 + 4 A1 6 +5V 10k 2 3 – + 7 4 LT1097 A2 VO 6 +2.5V Programmable I to V Convertor Programmable Voltage Regulator Doc. No. MD-2007 Rev. O 3 1MΩ 5 +5V 2 330Ω 3 6 R2 820Ω 1µF pR (1-p)R 330Ω 6 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 C1 0.001µF 1µF C2 R1 R3 100k Ω 50kΩ – 0.001µF +5V R2 10k Ω 8 2 +5V 2 VS 3 + 7 4 VO 6 A1 1 DPP 7 +2.5V CAT5113/5114 4 Programmable Bandpass Filter +5V IC1 393 IC2 74HC132 – 1 OSC CLO + 2 VLL R1 3 R2 – CHI 7 10kΩ 0.1µF + VUL +5V 6 5 8 10kΩ 1 DPP 7 R3 5 +5V IC3 CAT5114 +5V 2 6 3 – VO + AI IC4 4 2.5 ≤ VO ≤ 5V VS +2.5V 0 ≤ VS ≤ 2.5V Automatic Gain Control © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 7 Doc. No. MD-2007 Rev. O CAT5114 PACKAGE OUTLINE DRAWING PDIP 8-Lead 300mils (L) (1)(2) SYMBOL MIN NOM A E1 5.33 A1 0.38 A2 2.92 3.30 4.95 b 0.36 0.46 0.56 b2 1.14 1.52 1.78 c 0.20 0.25 0.36 D 9.02 9.27 10.16 E 7.62 7.87 8.25 e PIN # 1 IDENTIFICATION MAX 2.54 BSC E1 6.10 eB 7.87 L 2.93 6.35 7.11 10.92 3.30 3.80 D TOP VIEW E A2 A A1 c b2 L e eB b SIDE VIEW END VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. (2) Complies with JEDEC MS-001. Doc. No. MD-2007 Rev. O 8 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 SOIC 8-Lead 150mils (V) (1)(2) SYMBOL E1 E MIN MAX A 1.35 1.75 A1 0.10 0.25 b 0.33 0.51 c 0.19 0.25 D 4.80 5.00 E 5.80 6.20 E1 3.80 4.00 e PIN # 1 IDENTIFICATION NOM 1.27 BSC h 0.25 0.50 L 0.40 1.27 θ 0º 8º TOP VIEW D h A1 θ A c e b L SIDE VIEW END VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 9 Doc. No. MD-2007 Rev. O CAT5114 TSSOP 8-Lead 4.4mm (Y) (1)(2) b SYMBOL MIN NOM MAX A E1 E 1.20 A1 0.05 A2 0.80 b 0.19 0.15 0.90 1.05 0.30 c 0.09 D 2.90 3.00 3.10 E 6.30 6.40 6.50 E1 4.30 4.40 4.50 e 0.20 0.65 BSC L 1.00 REF L1 0.50 θ1 0° 0.60 0.75 8° e TOP VIEW D A2 A A1 c θ1 L1 SIDE VIEW L END VIEW For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153. Doc. No. MD-2007 Rev. O 10 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 MSOP 8-Lead 3.0mm (Z) (1)(2) SYMBOL MIN NOM MAX A1 0.05 0.10 0.15 A2 0.75 0.85 0.95 b 0.22 0.38 c 0.13 0.23 A E E1 1.10 D 2.90 3.00 3.10 E 4.80 4.90 5.00 E1 2.90 3.00 3.10 e L 0.65 BSC 0.40 0.60 0.80 L1 0.95 REF L2 0.25 BSC θ 0º 6º TOP VIEW D A A2 A1 DETAIL A e b c SIDE VIEW END VIEW θ L2 L L1 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-187. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 11 Doc. No. MD-2007 Rev. O CAT5114 TDFN 8-Pad 2 x 2.5mm (ZD7) (1)(2) PIN#1 IDENTIFICATION SYMBOL MIN NOM MAX A 0.70 0.75 0.80 A1 0.00 0.02 0.05 A3 0.20 REF b 0.20 0.25 0.30 D 1.90 2.00 2.10 D2 1.40 1.50 1.60 E 2.40 2.50 2.60 E2 1.20 1.30 1.40 e L 0.50 TYP 0.20 0.30 0.40 A1 A3 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. (2) Complies with JEDEC MO-229. Doc. No. MD-2007 Rev. O 12 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice CAT5114 TDFN 8-Pad 2 x 3mm (VP2) (1)(2) A D e b E2 E PIN#1 IDENTIFICATION A1 PIN#1 INDEX AREA D2 TOP VIEW SIDE VIEW SYMBOL MIN NOM MAX A 0.70 0.75 0.80 A1 0.00 0.02 0.05 A2 0.45 0.55 0.65 A3 b 0.25 A2 A3 D 1.90 2.00 2.10 1.30 1.40 1.50 E 2.90 3.00 3.10 E2 1.20 1.30 1.40 e FRONT VIEW 0.30 D2 L BOTTOM VIEW 0.20 REF 0.20 L 050 TYP 0.20 0.30 0.40 For current Tape and Reel information, download the PDF file from: http://www.catsemi.com/documents/tapeandreel.pdf. Notes (1) All dimensions are in millimeters. (2) Complies with JEDEC MO-229. © Catalyst Semiconductor, Inc. Characteristics subject to change without notice 13 Doc. No. MD-2007 Rev. O CAT5114 EXAMPLE OF ORDERING INFORMATION (1) Prefix Device # CAT Suffix 5114 V Optional Company ID I -10 Temperature Range I = Industrial (-40ºC to 85ºC) Product Number 5114 Resistance -10: 10 kΩ -50: 50 kΩ -00: 100 kΩ Package L: PDIP V: SOIC Y: TSSOP Z: MSOP ZD7: TDFN VP2: TDFN (5) -G T3 Tape & Reel T: Tape & Reel 3: 3000/Reel Lead Finish Blank: Matte-Tin G: NiPdAu ORDERING PART NUMBER CAT5114LI-10-G CAT5114LI-50-G CAT5114LI-00-G CAT5114VI-10-G CAT5114VI-50-G CAT5114VI-00-G CAT5114YI-10-G CAT5114YI-50-G CAT5114YI-00-G CAT5114ZI-10-G CAT5114ZI-50-G CAT5114ZI-00-G CAT5114ZD7I-10-G CAT5114 ZD7I-50-G (5) CAT5114 ZD7I-00-G (5) CAT5114VP2I-10-G (5) CAT5114VP2I-50-G (5) CAT5114VP2I-00-G (5) Notes (1) All packages are RoHS-compliant (Lead-free, Halogen-free). (2) The standard lead finish is NiPdAu. (3) This device used in the above example is a CAT5114VI-10-GT3 (SOIC, Industrial Temperature, 10kΩ, NiPdAu, Tape & Reel) (4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office. (5) Contact factory for package availability. Doc. No. MD-2007 Rev. O 14 © Catalyst Semiconductor, Inc. Characteristics subject to change without notice REVISION HISTORY Date Rev. Reason Revised Features Revised DC Electrical Characteristics Updated Potentiometer Parameters 10/09/2003 G 03/10/2004 H 03/29/2004 I Changed Green Package marking for SOIC from W to V Updated Ordering Information (removed old 5112 references) 04/12/2004 J Updated Reel Ordering Information 08/31/2004 K Added TDFN package in all areas 04/08/2005 07/28/2005 L M 07/06/2007 N Updated Ordering Information Updated Pin Configuration, Application Information, and Ordering Information Update Features Add TDFN (ZD7) Update Absolute Maximum Ratings table Update Potentiometer Characteristics table Update all Package Outline Drawings Update Example of Ordering Information note 2. Update Ordering Part Number 08/07/2007 O Update MSOP Package Outline Drawing Copyrights, Trademarks and Patents © Catalyst Semiconductor, Inc. Trademarks and registered trademarks of Catalyst Semiconductor include each of the following: Beyond Memory™, DPP™, EZDim™, LDD™, MiniPot™ and Quad-Mode™ Catalyst Semiconductor has been issued U.S. and foreign patents and has patent applications pending that protect its products. CATALYST SEMICONDUCTOR MAKES NO WARRANTY, REPRESENTATION OR GUARANTEE, EXPRESS OR IMPLIED, REGARDING THE SUITABILITY OF ITS PRODUCTS FOR ANY PARTICULAR PURPOSE, NOR THAT THE USE OF ITS PRODUCTS WILL NOT INFRINGE ITS INTELLECTUAL PROPERTY RIGHTS OR THE RIGHTS OF THIRD PARTIES WITH RESPECT TO ANY PARTICULAR USE OR APPLICATION AND SPECIFICALLY DISCLAIMS ANY AND ALL LIABILITY ARISING OUT OF ANY SUCH USE OR APPLICATION, INCLUDING BUT NOT LIMITED TO, CONSEQUENTIAL OR INCIDENTAL DAMAGES. Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. Catalyst Semiconductor reserves the right to make changes to or discontinue any product or service described herein without notice. Products with data sheets labeled "Advance Information" or "Preliminary" and other products described herein may not be in production or offered for sale. Catalyst Semiconductor advises customers to obtain the current version of the relevant product information before placing orders. Circuit diagrams illustrate typical semiconductor applications and may not be complete. Catalyst Semiconductor, Inc. Corporate Headquarters 2975 Stender Way Santa Clara, CA 95054 Phone: 408.542.1000 Fax: 408.542.1200 www.catsemi.com Document No: MD-2007 Revision: O Issue date: 08/07/07