VT5363 Single-chip USB/PS2 optical mouse Preliminary Data Features Applications ■ Single chip design with minimal support circuitry ■ ■ USB and PS2 operation ■ Single +5 V supply ■ No mechanical moving parts required ■ 800 cpi resolution (400 cpi selectable) Resolution 800 CPI (400 selectable) ■ 9600 frames per second Pixel size 30.4 µm ■ Tracking at up to 40 ips Array size 20*20 pixels ■ Up to 5 switch inputs and scroll wheel Frame rate 9600 frames/second ■ Possible customizing for VID, PID and descriptor string with external EEPROM High Speed Motion Detector Accurate motion up to 40 ips ■ Proven, high volume package technology Clock 6 MHz resonator Supply voltage 5V direct from USB or PS2 port Supply current 15mA (typ.) (excludes LED) Optical USB/PS2 mouse for desktop PC, workstation and laptop Technical specifications Description The VT5363 optical tracking sensor is a complete solid state tracking engine with no moving parts. This single chip optical mouse sensor provides excellent control and precision and works on a wide range of surfaces. The VT5363 supports 2, 3 or 5 button mouse designs with a mechanical scroll wheel encoder. It contains a dual USB/PS2 interface with automatic interface selection and may be powered directly from the USB or PS2 port. A single 6MHz resonator provides all the clock requirements and a minimum of additional passive components are required. Operating temperature [0: 60] °C Package type 7*7mm 32 lead LOQFP(1) 1. LOQFP: Low profile Optical Quad Flat Pack Order codes Part Number VT5363V032 Description USB/PS2 optical mouse sensor An external EEPROM may be used to implement customer specific USB configurations (PID, VID and descriptor string). A specifically designed optical system with integrated light guide and lens is available. This has been optimized for low cost, space saving and ease of mouse manufacture. No kapton tape is required in the assembly process. April 2006 Rev 2 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. 1/25 www.st.com 1 Contents VT5363 Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 2 Design notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 3 4 2.1 Pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 2.3 Reference schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 2.4 Bill of materials - BOM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.5 Switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.6 Scroll wheel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 2.7 Driving the navigation LED . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.8 LNK_LED output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.9 Optical centre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 2.10 Sensor orientation on PCB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 Configuring the VT5363 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.1 Selecting USB or PS2 operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.2 Selecting mouse configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.3 Changing the CPI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.4 External EEPROM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 3.5 EEPROM data format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 3.6 Application support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Optics assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Mouse assembly guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 5 LED selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.2 Key LED parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 5.3 VCSEL and IR illumination . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 7 Typical performance characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 2/25 VT5363 8 9 Contents Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 8.1 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 8.2 LOQFP package guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 3/25 List of tables VT5363 List of tables Table 1. Table 2. Table 3. Table 4. Table 5. Table 6. Table 7. Table 8. 4/25 VT5363 pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Bill of materials: main components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Configuration selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Example EEPROM contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 Key LED parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 Typical operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 LQFP dimensions (mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Document revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24 VT5363 List of figures List of figures Figure 1. Figure 2. Figure 3. Figure 4. Figure 5. Figure 6. Figure 7. Figure 8. Figure 9. Figure 10. VT5363 block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 VT5363 pin assignment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 VT5363 reference schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 VT5363 optical centre . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 VT5363 orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 STV-363-R01 - USB/PS2 mouse reference design board . . . . . . . . . . . . . . . . . . . . . . . . . 15 Lens and light guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 2D assembly drawing of VT5363 (exploded view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 Typical resolution versus height . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 LQFP32 clear resin body 7.0 x 7.0 x 1.40 foot print 1.0 . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 5/25 Introduction 1 VT5363 Introduction The VT5363 sensor is a single-chip solid state optical tracking engine with no moving parts. It allows the creation of a high performance, fully featured mouse with the minimum of external components. The device provides excellent navigation control and precision and works on a wide range of surfaces. VT5363 incorporates features that simplify product design and reduce time to market. By minimising the number of external components, the mouse manufacturer has flexibility for layout and product design. ST has worked with optical component suppliers to produce a single piece light guide with integrated lens, and recommendations for a compatible LED. Details of the optics and LED are included in this datasheet.The main functional blocks of the VT5363 are shown in Figure 1. Figure 1. VT5363 block diagram 5V SUPPLY (USB or PS2) 5V to 3.3V regulator AVDD 3V3 to 1V8A regulator DVDD 3V3 to 1V8D regulator VT5363 Pixel Array PULLUP Z-wheel USB/PS2 interface switches DN / DATA Controller DP / CLOCK 6 MHz resonator LED control OPTIONAL EEPROM 6/25 SCL SDA Optional LNK_LED TRK_LED VT5363 Design notes 2 Design notes 2.1 Pin assignment AVDD TEST SWRIGHT SWLEFT SWMID SWBACK SWFOR VT5363 pin assignment AGND Figure 2. 32 31 30 29 28 27 26 25 VREG33 1 24 ZB NC 2 23 ZA NC 3 22 SCL VDD5 4 21 SDA X0 5 20 DGND NC 6 19 DVDD XI 7 18 TRK_LED DVDD 8 17 LNK_LED 13 14 15 16 VDD3 DVRE18 AVREG18 12 DP/CLK 11 NC 10 DN/DAT DGND 9 PULLUP VT5363 7/25 Design notes 2.2 VT5363 Pin description Table 1. Pin N° Note: 8/25 VT5363 pin description Pin name Type Comment 1 VREG33 PWR 3.3 V regulator output 4 VDD5 PWR 5V supply - direct from USB or PS2 supply 5 X0 OSC 6MHz resonator 7 XI OSC 6MHz resonator 8 DVDD PWR 1.8V digital supply 9 DGND PWR Digital ground 10 PULLUP I/O connect 1K5 resistor from here to DN/DAT 11 DN / DAT I/O DN in USB mode, DATA in PS2 mode 13 DP/ CLK I/O DP in USB mode, CLOCK in PS2 mode 14 VDD3 PWR 3.3V supply 15 DVREG18 PWR 1.8V digital regulator output - use to drive DVDD 16 AVREG18 PWR 1.8V analogue regulator output - use to drive AVDD 17 LNK_LED O Status LED output 18 TRK_LED O Navigation LED output 19 DVDD PWR 1.8V digital supply 20 DGND PWR Digital ground 21 SDA I/O I2C SDA line 22 SCL I/O I2C SCL line 23 ZA I/O Z-wheel input A 24 ZB I/O Z-wheel input B 25 SWFOR I/O ‘Forward’ switch input (active low) 26 SWBACK I/O ‘Back’ switch input (active low) 27 SWMID I/O ‘Middle’ switch input (active low) 28 SWLEFT I/O ‘Left‘ switch input (active low) 29 SWRIGHT I/O ‘Right’ switch input (active low) 30 RESERVED 31 32 I Connect to GROUND AVDD PWR 1.8 V analogue supply AGND PWR Analogue ground All other pins are NOT CONNECTED VT5363 Design notes 2.3 Reference schematic Figure 3. VT5363 reference schematic 9/25 Design notes 2.4 VT5363 Bill of materials - BOM Table 2. Bill of materials: main components Ref. Description Manufacturer Part number U1 Optical mouse sensor STMicroelectronics VT5363V032 X1 6MHz resonator Murata CSTLA6M00G55-B0 D1 Navigation LED See Chapter 5: LED selection SW1-4 Switches Omron D2F series SW5 Mechanical encoder (scroll-wheel) Alps EC10E series Q1 NPN bipolar transistor (to drive D1) Standard component - many suppliers C1-C4 4u7 tantalum capacitor Standard component - many suppliers C5-C7 100nF ceramic capacitor Standard component - many suppliers R1 1k5 resistor Standard component - many suppliers R4-R10 100k resistors Standard component - many suppliers R11 1k resistor Standard component - many suppliers Only required if EEPROM is fitted U2 EEPROM STMicroelectronics M24C01W R13,R14 10k resistors standard component - many suppliers Additional items not mounted on the PCB 2.5 Optics Assembly See STV-363-R01 Reference Design Manual Aperture Stop See STV-363-R01 Reference Design Manual USB/PS2 cable Standard component - many suppliers Switches The VT5363 supports up to 5 switch inputs. These switches provide the standard mouse functions of LEFT, RIGHT and MIDDLE as well as the advanced functions of BACK and FORWARD. The switch inputs are all active LOW. An external pull-up resistor is required between the switch input and the 3V3 supply. 2.6 Scroll wheel The VT5363 supports the use of an external mechanical shaft encoder with quadrature outputs to act as a scroll wheel. The EC10E series from Alps are suitable. Pull-up resistors are required between the ZA and ZB outputs of the shaft encoder and the 3V3 supply. Note that the two quadrature outputs ZA and ZB are not interchangeable and must be connected correctly. 10/25 VT5363 2.7 Design notes Driving the navigation LED The VT5363 provides an output (NAV_LED) for driving the LED used to illuminate the mousing surface. This output is active HIGH but cannot be used to drive the navigation LED directly. An external NPN bipolar transistor is recommended as shown in the reference schematic. The maximum current through the LED is controlled by a resistor (R1 on the Reference Schematic). 2.8 LNK_LED output The VT5363 has an output (LNK_LED) which is high whenever the mouse is active (i.e. connected to a PC which is not in a suspend state). The user does not need to use this output to produce a working mouse but it may be used to drive an additional LED for cosmetic purposes. An external bipolar transistor is required in the same way as the navigation LED. 2.9 Optical centre The optical centre of the VT5363 is NOT in the centre of the package, it is offset by 0.243mm in the X-axis and 0.215mm in the Y axis with respect to the centre of the package as shown below. The PCB designer must take this into account when laying out the PCB. Figure 4. VT5363 optical centre Optical centre (-0.243mm, +0.215mm) pin 1 marking mechanical centre of package (0,0) TOP VIEW OF VT5363 11/25 Design notes 2.10 VT5363 Sensor orientation on PCB The VT5363 must be orientated correctly on the PCB in order to move the cursor in the correct directions when the mouse is moved. This is shown in Figure 5. Figure 5. VT5363 orientation UP pin 1 marking LEFT RIGHT VT5363 mounted UNDERNEATH TOP VIEW of PCB DOWN 12/25 VT5363 Configuring the VT5363 3 Configuring the VT5363 3.1 Selecting USB or PS2 operation The selection of USB or PS2 interface is performed [automatically] by the VT5363 including a USB pull-up resistor connected between Pin No. 10 and the DN/DAT line. 3.2 Selecting mouse configuration The VT5363 may be configured to be one of three different types of mouse. ● 2 button mouse ● 3 button mouse with scroll wheel ● 5 button mouse with scroll wheel The configuration is achieved by connecting the unused switch inputs to the LNK_LED output (pin 17). All configurations will report a USB Vendor Identity (VID) of 0x0553 (ST Microelectronics Imaging Division). The three different configurations will result in 3 different USB Product Identities (PIDs) and descriptor strings as described in Table 3. Table 3. Mode Configuration selection Inputs tied to LNK_LED VID PID 0x0553 0x0A00 ‘2 button optical mouse’ 3 button + Z SWBACK, SWFOR 0x0553 0x0A01 ‘3 button optical mouse with scroll wheel’ 5 button + Z none 0x0553 0x0A02 ‘5 button optical mouse with scroll wheel’ 2 button SWBACK, SWFOR, SWMID USB descriptor string A user who wishes to use their own PID, VID and descriptor string may use an external serial EEPROM to hold this information. 3.3 Changing the CPI The default CPI ‘Counts Per Inch’ of the VT5363 is 800CPI, this can easily be toggled between 800/400CPI by the user, by simply holding down the left and right buttons till LNK_LED goes off. If the PC is shutdown or the mouse unplugged it will return to the default (800 CPI). 3.4 External EEPROM The VT5363 supports the use of an external 128 byte serial EEPROM for holding customer specific information. EEPROM such as the M24C01W from STMicroelectronics are suitable. The EEPROM must be connected to the SDA and SCL pins of the VT5363. If no EEPROM is used then these lines should be tied to ground.The EEPROM cannot be programmed by the VT5363 itself and must be pre-programmed before being fitted to the final PCB. 13/25 Configuring the VT5363 3.5 VT5363 EEPROM data format A 128 byte serial EEPROM is used to hold USB configuration information. The lower 64 bytes hold USB PID, VID and string information as shown in the table below. The upper bytes may be used to hold special setup information, for example to set the resolution to 400cpi (contact STMicroelectronics for details). Location 127 in the EEPROM must hold the number 0xAA and is used to detect that an EEPROM has been fitted. If location 127 does not contain 0xAA the EEPROM contents will be ignored. Table 4. EEPROM Location Example EEPROM contents Contains Notes 0 VID (LSB) Vendor ID 1 VID (MSB) (only one VID is stored for all 3 mouse configurations) 2 PID (LSB) Product ID for 2 button mouse 3 PID (MSB) 4 PID (LSB) 5 PID (MSB) 6 PID (LSB) 7 PID (MSB) 8 0x04 Language ID Length 9 0x03 Language ID Type 10 0x09 Language ID (2 bytes) 11 0x04 (0x0904 = US English) 12 0x0C String ID Length = (number of characters in string *2) + 2 Product ID for ‘3 button + Z’ mouse Product ID for ‘5 button + Z’ mouse For the example string ‘MOUSE’ this is (2*5)+2 = 12 = 0x0C 13 0x03 String ID Type 14 0x4D ASCII code for first character of String (example for ‘M’) 15 0x4F ASCII code for first character of String (example for ‘O’) 16 0x55 ASCII code for first character of String (example for ‘U’) 17 0x53 ASCII code for first character of String (example for ‘S’) 18 0x45 ASCII code for first character of String (example for ‘E’) 19 - 62 0xFF Rest of lower half of EEPROM is available for longer strings, up to 50 characters maximum (set unused locations to 0xFF) 64-126 0xFF Leave upper half of EEPROM empty (may be used to hold special setup information - contact STMicroelectronics for details) 127 14/25 0xAA Special flag to indicate that EEPROM is present VT5363 3.6 Configuring the VT5363 Application support The user manual for the STV-363-R01 reference design board includes additional information and application support. Figure 6. STV-363-R01 - USB/PS2 mouse reference design board 15/25 16/25 F E D C 9 38.40 28.40 M 1 Linear 0 Place Decimals 0 ±1.0 1 Place Decimals 0.0 ±0.10 2 Place Decimals 0.00 ±0.07 Angular ±0.25 degrees Diameter +0.10/-0.00 Position 0.10 Surface Finish 1.6 microns 2 3 This drawing is the property of STMicroelectronics and will not be copied or loaned without the written permission of STMicroelectronics. All dimensions in mm Finish Tolerances, unless otherwise stated Interpret drawing per BS308, 3RD Angle Projection Material DETAIL M SCALE 6 : 1 3 4 5 6 Contact ST 7 ECN No. 8 Date Checked Sig. Date 6 Part No. Do Not Scale Scale 7 Title 8 Sheet Home, Personal & Communication Sector- Imaging Division STMicroelectronics All dimensions in mm ST Confidential Revision note Drawn Checked Appd. Mech. Appd. Elect. Appd. Prod. Appd. Q.A. C RevNo F E D C A Figure 7. 1.3 5 2 4 B A 1 Optics assembly VT5363 Optics assembly The optics assembly is shown in Figure 7 and Figure 8. Lens and light guide 20 F E D C B PCB 1 Linear 0 Place Decimals 0 ±1.0 1 Place Decimals 0.0 ±0.10 2 Place Decimals 0.00 ±0.07 Angular ±0.25 degrees Diameter +0.10/-0.00 Position 0.10 Surface Finish 1.6 microns 2 3 This drawing is the property of STMicroelectronics and will not be copied or loaned without the written permission of STMicroelectronics. All dimensions in mm Finish ST Confidential LED 3 Tolerances, unless otherwise stated Interpret drawing per BS308, 3RD Angle Projection Material 2 4 5 6 Sig. Aperture Date 6 Sensor Package Revision note Drawn Checked Appd. Mech. Appd. Elect. Appd. Prod. Appd. Q.A. RevNo Part No. 8 Date Do Not Scale ECN No. Scale Checked 7 Title 8 4 of 4 Sheet Home, Personal Communication Sector- Imaging Division STMicroelectronics All dimensions in mm Mouse Base Lens and Light Guide 7 F E D C B A Figure 8. A Exploded View 1 VT5363 Optics assembly 2D assembly drawing of VT5363 (exploded view) 17/25 Optics assembly VT5363 Mouse assembly guidelines Note: 18/25 1. Attach the sensor and all other electrical components onto PCB with the exception of the navigation LED. 2. Form the LED leads and insert the LED into the optical assembly. 3. Fit the optics with aperture to the PCB using the guideposts and feed the navigation LED leads through their openings. Take care to keep contamination off the sensor surface. The aperture should self-align to the VT5363 package. 4. Route the USB/PS2 lead through the base plate then fit the base plate. 5. Solder the navigation LED leads and trim. 6. Add mouse top case and feet. For more details on the optics (including manufacturers), please refer to the STV-363-R01 user manual. VT5363 LED selection 5 LED selection 5.1 Overview There are a number of LEDs from a range of suppliers which will work well with the VT5363. It is the responsibility of the customer to ensure that the chosen LED works in their specific implementation. There are various price/performance trade-offs which may be made if the customer chooses to do so. 5.2 Key LED parameters The VT5363 system requires a bright visible RED LED in a standard 5mm (T1 3/4) package. The ideal viewing angle is 20o and the intensity should be at least 900mcd at a forward current of 20 mA. The key LED parameters are listed in Table 5. Table 5. Key LED parameters Parameter 5.3 Recommended Value Notes Diameter 5mm Important for fit with lens Length 8.6mm Important for fit with lens Material AlInGaP For long-term reliability Luminous Intensity (@20mA) 900mcd Minimum value Viewing Angle 20o Half intensity Mechanical accuracy +/- 2o Accuracy of the die positioning within the LED body Colour Red Wavelength 640nm +/- 50nm VCSEL and IR illumination The VT5363 sensor will operate over a wide range of illuminant wavelengths. For devices operating at approx 850 nm (IR LED or VCSEL), the on-die automatic exposure controller (AEC) will compensate for the change in sensitivity compared to 640nm (red LED). Navigation performance may be improved by increasing the illuminated device drive. 19/25 Electrical characteristics 6 Electrical characteristics T Table 6. Symbol Vin 20/25 VT5363 Typical operating conditions Parameter Min. Typ. Max. Unit 4.1 5 5.6 V Supply current (active) 17 23.3 mA Supply current (suspend) 45 100 µA Supply voltage VT5363 7 Typical performance characteristics Typical performance characteristics Figure 9 shows the typical performance of the VT5363 sensor. Figure 9. Typical resolution versus height Typical Resolution vs Z Height 500.00 450.00 White Card 400.00 CPI Black Matt US Manila 350.00 300.00 250.00 -1.00 -0.80 -0.60 -0.40 -0.20 0.00 0.20 0.40 0.60 0.80 1.00 Z Height distance from nominal (mm) Note: Z = distance from lens to surface 21/25 Package information 8 Package information 8.1 Package mechanical data Figure 10. LQFP32 clear resin body 7.0 x 7.0 x 1.40 foot print 1.0 22/25 VT5363 VT5363 Package information Table 7. LQFP dimensions (mm) Reference Min. (mm) Typ. (mm) A 1.600 A1 0.050 A2 1.350 1.400 1.450 B 0.300 0.370 0.450 c 0.090 0.200 9.00 D1 7.000 D3 5.600 e 0.800 E 9.000 E1 7.000 E3 5.600 0.450 L1 0.600 0.750 1.000 k 0d W1 3.5d 7d 5.000 W2 8.2 0.15 D L Note: Max. (mm) 0.065 1 Surface finish W1 is 0.07 Ra. 2 Ejectors are on 5.2 mm square for both top and bottom package. 3 On top package, only the identification for pin one is not an engraved ejector. LOQFP package guidelines The IC can be exposed a maximum of 2 times to an IR/Convection reflow solder process having a temperature profile peak of no higher than 240° C. The package/chip are lead free and is ROHS compliant. 23/25 Revision history 9 VT5363 Revision history Table 8. 24/25 Document revision history Date Revision Changes 13-Feb-2006 1 Initial release. 18-Apr-2006 2 Updates in the document format. No changes in the content. VT5363 Please Read Carefully: Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. 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