SNLS648C February   2019  – August 2024 TUSB2E22

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Timing Requirements
  7. 6 Parametric Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 USB 2.0
      2. 7.3.2 eUSB2
      3. 7.3.3 Cross MUX
    4. 7.4 Device Functional Modes
      1. 7.4.1 Repeater Mode
      2. 7.4.2 Power Down Mode
      3. 7.4.3 CROSS
  9. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Dual Port System Implementation
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power Up Reset
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Example YCG Layout For Application With No Cross MUX Function.
      3. 8.4.3 Example RZA Layout For Application With No Cross MUX Function
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

5.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
DIGITAL INPUTS
VIHHigh level input voltageCROSS, EQ1, EQ01.053V
VILLow-level input voltageCROSS, EQ1, EQ00.693V
VILLow-level input voltageRESETB 0.35V
VIHHigh level input voltageRESETB 0.75V
IIHHigh level input currentVIH = 1.98 V, VDD3V3=3.0 V or 0 V, VDD1V8=1.62V or 0 V
CROSS, RESETB, EQ1, EQ0		2µA
IILLow level input currentVIL = 0 V, VDD3V3=3.0 V or 0 V, VDD1V8=1.62V or 0 V
CROSS, RESETB, EQ1, EQ0		2µA
USBA (DPA, DNA), USBB (DPB, DNB)
Zinp_DxImpedance to GND, no pull up/downVin=3.6 V, VDD3V3=3.0 V USB 2.0 Specification Section 7.1.6390kΩ
RPUIBus Pull-up Resistor on Upstream Facing Port (idle)USB 2.0 Specification Section 7.1.50.921.11.475kΩ
RPURBus Pull-up Resistor on Upstream Facing Port (receiving)USB 2.0 Specification Section 7.1.51.5252.22.99kΩ
RPDBus Pull-down Resistor on Downstream Facing PortUSB 2.0 Specification Section 7.1.514.351924.6kΩ
VHSTERMTermination voltage in highspeedUSB 2.0 Specification Section 7.1.6.2, The output voltage in the high-speed idle state–1010mV
USB TERMINATION
ZHSTERMDriver Output Resistance (which also serves as high speed termination)(VOH= 0 to 600 mV) USB 2.0 Specification Section 7.1.1.1, 40.54549.5Ω
USBA, USBB INPUT LEVELS LS/FS
VIHHigh (driven)USB 2.0 Specification Section 7.1.4 (measured at connector)2V
VIHZHigh (floating)USB 2.0 Specification Section 7.1.4 (HOST downstream port pull down resistor enabled and external device pull up 1.5K +/-5% to 3.0-3.6 V).2.73.6V
VILLowUSB 2.0 Specification  Section 7.1.40.8V
USBA, USBB OUTPUT LEVELS LS/FS
VOLLowUSB 2.0 Specification  Section 7.1.1,  (measured at connector with RL of 1.425 kΩ to 3.6 V. )00.3V
VOHHigh (Driven)USB 2.0 Specification Section 7.1.1 (measured at connector with RL of 14.25 kΩ to GND. )2.83.6V
ZFSTERMDriver Series Output Resistance USB 2.0 Specification Section 7.1.1, Measured it during VOL or VOH2844Ω
VCRSOutput Signal Crossover VoltageMeasured as in USB 2.0 Specification Section 7.1.1 Figure 7-8; Excluding the first transition from the Idle state1.32V
USBA, USBB OUTPUT LEVELS HS
VHSOHHigh-speed data signaling high USB 2.0 Specification Section 7.1.7.2, measured single ended peak voltage per USB 2.0 test measurement spec, Test load is an ideal 45 Ω to GND on DP and DN360440mV
VHSOLHigh-speed data signaling low, driver is off termination is on (measured single ended)USB 2.0 Specification Section 7.1.7.2, Test load is an ideal 45 Ω to GND on DP and DN. –1010mV
VCHIRPJChirp J level (differential voltage) USB 2.0 Specification Section 7.1.7.2 , Test load is an ideal 45 Ω to GND on DP and DN. 7009001100mV
VCHIRPKChirp K level (differential voltage)USB 2.0 Specification Section 7.1.7.2 , Test load is an ideal 45 Ω to GND on DP and DN. -900-700-500mV
U2_TXCMHigh-speed TX DC Common Mode-50200500mV
eUSB2 TERMINATION
RSRC_HSHigh speed transmit source termination impedanceeUSB2 Specification Section 7.1.1 334047Ω
ΔRSRC_HSHigh speed source impedance mismatcheUSB2 Specification Section 7.1.14Ω
RRCV_DIFHigh speed differential receiver termination (repeater) eUSB2 Specification Section 7.1.2 748086Ω
RPDPull-down resistors on eDP/eDNeUSB2 Specification Section 7.3, active during LS, FS and HS 6810kΩ
RSRC_LSFSTransmit output impedanceeUSB2 Specification Section 7.2.1, Table 7-13 TX output impedance to match spec version 1.10 284459Ω
eUSB0, eUSB1 FS/LS INPUT LEVELS
VILSingle-ended input loweUSB2 Specification Section 7.2.1, Table 7-13 –0.10.399V
VIHSingle-ended input higheUSB2 Specification Section 7.2.1, Table 7-13 0.8191.386V
VHYSReceive single-ended hysteresis voltageeUSB2 Specification Section 7.2.1, Table 7-13 43.2mV
eUSB0, eUSB1 FS/LS OUTPUT LEVELS
VOLSingle-ended output loweUSB2 Specification Section 7.2.1, Table 7-13 0.198V
VOHSingle-ended output higheUSB2 Specification Section 7.2.1, Table 7-130.9181.32V
eUSB0, eUSB1 HS INPUT LEVELS
VRX_CMReceive DC common mode range (low)eUSB2 Specification Section 7.1.2 (normative), low DC common mode RX must tolerate120mV
VRX_CMReceive DC common mode range (high)eUSB2 Specification Section 7.1.2 (normative), high DC common mode RX must tolerate280mV
VCM_RX_ACReceiver AC common mode (50MHz-480MHz)eUSB2 Specification Section 7.1.2 (informative), across the DC common mode range of 120 mV to 280 mV. (RX capability tested with intentional TX Rise/Fall Time mismatch and prop delay mismatch)–6060mV
CRX_CMReceive center-tapped capacitanceeUSB2 Specification Section 7.1.2 (informative)1550pF
VRX_DIF_SENSReceive differential sensitivity, RX should be able to receive less than this value. eUSB2 Specification Section 7.1.2, VCM = 120 mV to 450 mV120mVp-p
eUSB0, eUSB1 HS OUTPUT LEVELS
VETX_CM_ACTransmit CM AC (50MHz-480MHz)eUSB2 Specification Section 7.1.1, An ideal 80 Ω Rx differential termination and center tap cap of 15pF, with maximum DC common mode range –3030mV
VEHSODTransmit differential (terminated) Measured p2p, RL = 80 Ω, ideal 80 Ω Rx differential termination load400mV
VE_TX_CMTransmit DC common modeeUSB2 Specification Section 7.1.1170230mV