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| STUSB02E USB Transceiver General features Supports 1.5Mbps and 12Mbps serial data transmission ESD HBM: 14kV on D+, D- Lines; 5kV on VBUS ESD Compliant to IEC-61000-4.2 (Level 3) Separate I/O supply with operation down to 1.6V Integrated speed select termination supply Very low power consumption to meet USB `suspend' current requirements Small QFN16 lead free package No power supply sequencing requirements Software controlled re-enumeration The transceiver also supports Sharing mode when VBUS is not present, which allows the D+/D- lines to be shared with other serial protocols. It is also designed to operate down to 1.6V so that it is compatible with lower system voltages of most portable systems, which include PDAs, MP3 Player and Cell phones. QFN16 (3mmx3mm) Description The STUSB02E is a single chip USB transceiver that supports both full-speed (12Mbps) and lowspeed (1.5Mbps) operation. It has an integrated 5V to 3.3V regulator which allows direct powering from the VBUS. The transceiver has an integrated voltage detector to detect the presence of the VBUS voltage. Order code Part number STUSB02EQR Package QFN16 (3mm x 3mm) Packaging 3000 parts per reel March 2007 Rev. 4 1/20 www.st.com 20 Contents STUSB02E Contents 1 2 3 4 5 6 7 8 9 10 Typical application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Pin configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Functional tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Test circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 2/20 STUSB02E Typical application 1 Figure 1. Typical application Typical application 3/20 Pin configuration STUSB02E 2 Figure 2. Pin configuration Pin connections (top view) Table 1. PlN N 0 15 1 2 3 4 5 6 7 9 10, 11 12 13 14 8 16 Pin description SYMBOL N.C. VIF SPD RCV VP VM CON GND SUS OE# D-, D+ VTRM VPU VBUS N.C. VBUSDET O I I O I/O I/O I I I I/O O O I I/O NAME AND FUNCTION Not Connected. System Interface Supply Voltage (1.6V to 3.6V). Provides reference supply voltage for system I/O interface signals. Edge Rate Control. A logic HIGH operates at edge rates for "fullspeed" operation. A logic LOW operates edge rates for "lowspeed" operation. Receive Data. Output for USB differential data. (see Table 2) If OE# = H, VP = Receiver output (+) If OE# = L, VP = Driver input (+) (see Table 2) If OE# = H, VM = Receiver output (-) If OE# = L, VM = Driver input (-) (see Table 2) CONNECT (input). Controls state of VPU. Refer to VPU pin description for detail. Ground Reference Suspend (active-high). Turns off internal circuits to reduce supply current. Output Enable (active-low). Enables transceiver data transmission onto the bus. When not active, the transceiver is in the receive mode. (see Table 2) Differential data lines. (see Table 2) 3.3V Reference Supply Output. Requires a 1.0F decoupling capacitor for stability. Pull-up Supply Voltage Output. Used to connect 1.5k pull-up speed detect resistor. If CON = 0, VPU is high impedance. If CON = 1, VPU = 3.3V 10%. USB Bus Supply Voltage (4V to 5.5V). Supplies power to the USB transceiver and internal circuitry. Not connected. VBUS indicator output. When VBUS > 2.9V, VBUSDET = High and when < 2.2V, VBUSDET = Low. 4/20 STUSB02E Functional tables 3 Table 2. SUS L L H H Functional tables Function selection OE# L H L H D+, DDriving Receiving Hi-Z Hi-Z RCV Active Active L L VP/VM Active Active Not Active Active Function Normal transmit mode Normal receive mode Low power state Receiving during suspend (low power state) (1) (1) During suspend VP and VM are active in order to detect out of band signalling conditions Table 3. OE# = L Truth table during normal mode Input VP L L H H OE# = H Input D+ L L H H X = Undefined Output VM L H L H D+ L L H X DL H L X Output DL H L H VP L L H X VM L H L X RCV X L H X RCV X L H X RESULT SE0 Logic Low Logic High Undefined Result SE0 Logic Low Logic High Undefined 5/20 Maximum ratings STUSB02E 4 Table 4. Symbol VBUS V+ IO IO II ESD TSTG TOPR Maximum ratings Absolute maximum ratings Parameter Supply voltage All other Inputs Output current (D+, D-) Output current (all others) Input current D+, D-, HBM (Note 3) VBUS (Note 3) All other pins (Note 3) Storage temperature range Operating temperature range Value 6 -0.5 to 4.6 50 15 50 14 5 2 -65 to + 150 -40 to + 85 Unit V V mA mA mA kV C C Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional Operation under these conditions is not implied. Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Table 5. Symbol RthJA Thermal data Parameter Thermal resistance junction-ambient Value 59 Unit C/W 6/20 STUSB02E Electrical characteristics 5 Table 6. Electrical characteristics DC electrical characteristics (System and USB interface) (VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25C, specifications over temperature, -40 to 85C) Parameter USB Supply voltage System I/F supply voltage Low level input voltage (Note 4) High level input voltage (Note 4) Low level output voltage (Note 4) IOL = 20A High level output voltage (Note 4) IOH = -20A Input leakage current (Note 4) D+, D- are idle, OE# = SUS = 0 D+, D- are idle, OE# = SUS = 1 D+, D- active, CLOAD = 50pF, SPD = 1, f = 6MHz, (Note 5) D+, D- active, CLOAD = 600pF, SPD = 0, f = 750KHz, (Note 5) D+, D- are idle, VBUS = 5.25V Suspend Mode (SUS = 1), OE# = 1, SPD = 1 D+, D- are idle, VBUS = 5.25V SPD = 1, OE# = SUS = 0 D+, D- are idle, VBUS = 5.25V OE# = SUS = SPD = 0 D+, D- are idle, VBUS = 5.25V OE# = 1, SUS = SPD = 0 D+, D- active, VBUS = 5.25V CLOAD = 50pF, SPD = 1, f = 6 MHz OE# = SUS = 0 (Note 5) D+, D- active, VBUS = 5.25V CLOAD = 600pF, f = 750 KHz, OE# = SUS = SPD = 0 (Note 5) CON = 0, VPU = 0V VIF = 3.6V, VBUS = 0V ITERM = 200A, VBUS = 4 to 5.25V ITERM = 10mA, VBUS = 4 to 5.25V 0.85VIF 0 VIF-100 -5 100 VIF 5 5 5 650 75 200 5 700 A 350 A mA Test conditions Min. 4 1.6 Typ. Max. 5.5 3.6 0.15VIF Unit V V V V mV mV A Symbol VBUS VIF VIL VIH VOL VOH IIL IIF VIF Supply current (Note 7) A IBUS VBUS Supply current 10 mA 5 -5 -5 3 7 9 5 5 3.6 11 A A V IVPULEAK VPU Leakage current IVIFLEAK VIF Leakage current VPU RSW Pull-Up output voltage VPU Internal switch resistance Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, VP, VM, OE#, VBUSDET. Note 5. Characterized specification(s), but not production tested. Note 6. All AC parameters guaranteed by design but not production tested. Note 7. RCV NOT LOADED 7/20 Electrical characteristics STUSB02E Table 7. Symbol VBUS VIF VIL VIH DC electrical characteristics (System and USB interface) (VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25C) Parameter USB Supply voltage System I/F supply voltage Low level input voltage (Note 4) Test Conditions Min. 4 1.6 Typ. Max. 5.5 3.6 0.15VIF Unit V V V V 0.1 V V 5 5 450 50 70 3.0 300 A 150 150 A mA A 0.85VIF High level input voltage (Note 4) Low level output voltage VOL IOL = 20A (Note 4) High level output voltage VOH IOH = 20A 0.9VIF (Note 4) IIL Input leakage current (Note 4) -5 D+, D- are idle, OE# = SUS = 0 D+, D- active, CLOAD = 50pF, VIF Supply current (Note 7) IIF SPD = 1, f = 6MHz, (Note 5) D+, D- active, CLOAD = 50pF, SPD = 0, f = 750KHz, (Note 5) D+, D- are idle, VBUS = 5.25V Suspend Mode (SUS = 1) D+, D- are idle, VBUS = 5.25V SPD = 1, OE# = SUS = 0 D+, D- are idle, VBUS = 5.25V OE# = SUS = SPD = 0 D+, D- are idle, VBUS = 5.25V IBUS VBUS Supply current OE# = 1, SUS = SPD = 0 D+, D- active, VBUS = 5.25V CLOAD = 50pF, SPD = 1, f = 6 MHz OE# = SUS = 0 (Note 5) D+, D- active, VBUS = 5.25V CLOAD = 600pF, f = 750 KHz, OE# = SUS = SPD = 0 (Note 5) CON = 1, VPU = 0V IVPULEAK VPU Leakage current -5 IVIFLEAK VIF Leakage current VIF = 3.6V, VBUS = 0V -5 VPU ITERM = 200A, VBUS = 4 to 5.25V Pull-Up output voltage RSW VPU Internal switch resistance ITERM = 10mA, VBUS = 4 to 5.25V A 7.3 mA 3.6 5 5 3.3 9 A A V Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, VP, VM, OE#, VBUSDET. Note 5. Characterized specification(s), but not production tested. Note 6. All AC parameters guaranteed by design but not production tested. Note 7. RCV NOT LOADED Table 8. Symbol ESD Performance Parameter IEC-1000-4-2 (D+, D-) Test Conditions Air discharge (10 pulses) Contact discharge (10 pulses) Air discharge (10 pulses) Contact discharge (10 pulses) Min. Typ. 8 6 5 5 Max. Unit ESD IEC-1000-4-2 (VBUS only) kV 8/20 STUSB02E Table 9. Electrical characteristics DC electrical characteristics (Transceiver) (VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25C, specifications over temperature, -40 to 85C) Parameter Hi-Z State data line leakage (suspend mode) Differential input sensitivity Test Conditions VI = 0 to 3.3 V, SUS = 1 Min. -10 0.2 0.8 0.8 VCM = 0.8 V RL = 1.5 K at 3.6V (see test circuit) RL = 15 K at GND (see test circuit) Pin to GND Steady state drive 100 0.3 2.8 25 9 22 3.6 2.5 2.0 Typ. Max. 10 Unit A V V V mV V V pF Symbol ILO VDI VCM VSE |(D+) - (D-)| Differential common mode range Includes VDI range Single ended receiver threshold VRHYS Receiver hysteresis VOL VOH CI ZDRV Static output low Static output high Transceiver capacitance Driver output resistance Table 10. Symbol ILO VDI VCM VSE DC electrical characteristics (Transceiver) (VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25C) Parameter Test Conditions VI = 0 to 3.3 V, SUS = 1 Min. -2 0.2 0.8 0.8 VCM = 0.8 V RL = 1.5 K at 3.6V (see Test circuits) RL = 15 K at GND (see Test circuits) Pin to GND Steady state drive 50 0.3 2.8 25 16 3.6 2.5 2 Typ. Max. 2 Unit A V V V mV V V pF Hi-Z state data line leakage (suspend mode) Differential input sensitivity |(D+) - (D-)| Differential common mode range Includes VDI range Single ended receiver threshold VRHYS Receiver hysteresis VOL VOH CI ZDRV Static output low Static output high Transceiver Capacitance (3) Driver Output Resistance (3) Pins D+, D- 9/20 Electrical characteristics STUSB02E Table 11. Symbol TR TF TR, TF VCRS TR TF TR, TF VCRS tPVZ tPZD tPDZ tPZV tPLH tPHL tPLH tPHL tPLH tPHL AC electrical characteristics (VIF = 3.6V, VBUS = 5V unless otherwise noted; TA = 25C.) (Note 6) Parameter Test Conditions CL = 50pF (Figure 4) CL = 600pF CL = 50pF (Figure 4) CL = 600pF 80 1.3 4 4 90 1.3 3 13 32 6 27 16 13 8 20 20 20 75 300 125 2 20 20 111.11 2 Min. 75 300 Typ. Max. Unit ns ns % V ns ns % V ns ns ns ns ns ns ns Transition Rise Time (LOW SPEED) Transition Fall Time (LOW SPEED) Rise/Fall Time Matching (LOW (TR, TF) SPEED) Output Signal Crossover Voltage (LOW SPEED) Transition Rise Time (FULL SPEED) CL = 50pF (Figure 4) Transition Fall Time (FULL SPEED) CL = 50pF (Figure 4) Rise/Fall Time Matching (FULL SPEED) Output Signal Crossover Voltage (FULL SPEED) OE# TO RCVR Tri-State Delay (TR, TF) Figure 3 LOW SPEED (Figure 3) Receiver Tri-State to Transmit Delay FULL SPEED (Figure 3) OE# TO RCVR Tri-State Delay Figure 3 Figure 3 VP, VM to D+, D- Propagation Delay Figure 6 D+, D- to RCV Propagation Delay Figure 5 D+, D- to VP, VM Propagation Delay Figure 5 Driver Tri-State to Receive Delay Note 1. Exceeding the absolute maximum rating may damage the device. Note 2. The device is not guaranteed to function outside its operating rating. Note 3. Devices are ESD sensitive. Handling precautions recommended. Human body model, 1.5k in series with 100pF. Note 4. Specification applies to the following pins: SUS, SPD, RCV, CON, RCV, VP, VM, OE#. Note 5. Characterized specification(s), but not production tested. Note 6. All AC parameters guaranteed by design but not production tested. 10/20 STUSB02E Timing diagram 6 Figure 3. Timing diagram Enable and disable times Figure 4. Rise and fall times 11/20 Timing diagram STUSB02E Figure 5. Receiver propagation delay Figure 6. Driver propagation delay (CL = 50pF) Minimum Timing LS and maximum timing FS Figure 7. Enable and disable time circuit Switch = GND for tPZH and tPHZ; V = VTRM for tPZL and tPLZ 12/20 STUSB02E Test circuits 7 Figure 8. Test circuits Load for VP, VM, RCV Figure 9. Load for D+, D- 13/20 Test circuits STUSB02E Figure 10. Functional diagram 14/20 STUSB02E Functional description 8 Functional description The STUSB02E is designed to provide USB connectivity in mobile systems where available system supply voltages are not able to satisfy USB requirements. The STUSB02E can operate down to supply voltages of 1.6V. As shown in the circuit above, the STUSB02E takes advantage of the USB supply voltage, VBUS, to operate the transceiver. The system voltage, VIF, is used to set the reference voltage used by the digital I/O lines interfacing to the system controller. Internal circuitry provides translation between the USB and system voltage domains. VIF will typically be the main supply voltage rail for the controller. In addition, a 3.3V, 10% termination supply voltage, VPU, is provided to support speed selection. VPU can be disabled or enabled under software control via the CON input. This allows for software-controlled connect or disconnect states. A 1.5K resistor is required to be connected between this pin and the D+ or D- lines to respectively specify full speed or low speed operation. The use of ESD transient protection devices is not required for operation, but is recommended. 15/20 Package mechanical data STUSB02E 9 Package mechanical data In order to meet environmental requirements, ST offers these devices in ECOPACK(R) packages. These packages have a Lead-free second level interconnect. The category of second Level Interconnect is marked on the package and on the inner box label, in compliance with JEDEC Standard JESD97. The maximum ratings related to soldering conditions are also marked on the inner box label. ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com. 16/20 STUSB02E Package mechanical data QFN16 (3mmx3mm) MECHANICAL DATA mm. DIM. MIN. A A1 A3 b D D2 E E2 e K L r 0.30 0.09 1.55 1.55 0.18 0.80 TYP 0.90 0.02 0.20 0.25 3.00 1.70 3.00 1.70 0.50 0.20 0.40 0.50 0.012 0.006 1.80 0.061 1.80 0.061 0.30 0.007 MAX. 1.00 0.05 MIN. 0.032 TYP. 0.035 0.001 0.008 0.010 0.118 0.067 0.118 0.067 0.020 0.008 0.016 0.020 0.071 0.071 0.012 MAX. 0.039 0.002 inch E A K A1 E2 e D b K r D2 A3 L This drawing is not to scale 17/20 Package mechanical data STUSB02E Tape & Reel QFNxx/DFNxx (3x3) MECHANICAL DATA mm. DIM. MIN. A C D N T Ao Bo Ko Po P 3.3 3.3 1.1 4 8 12.8 20.2 60 18.4 0.130 0.130 0.043 0.157 0.315 TYP MAX. 330 13.2 0.504 0.795 2.362 0.724 MIN. TYP. MAX. 12.992 0.519 inch 18/20 STUSB02E Revision history 10 Table 12. Revision history Revision history Revision 1 2 3 4 First Release. Declaration of conformity with USB 2.0 specification removed. Corrected wrong links to figures in table 11. Update tape & reel. Changes Date 19-Oct-2005 21-Feb-2006 07-Apr-2006 14-Mar-2007 19/20 STUSB02E 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. Purchasers are solely responsible for the choice, selection and use of the ST products and services described herein, and ST assumes no liability whatsoever relating to the choice, selection or use of the ST products and services described herein. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted under this document. 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