FE8.1

High Speed 4-Port USB Hub Data Sheet Rev. 1.0 FE8.1 HIGH SPEED 4-PORT USB HUB CONTROLLER Data Sheet Speed (480MHz) and Full-Speed INTRODUCTION (12MHz) modes; The Terminus FE8.1 is an extremely compact High □ 4 Downstream Facing Ports support High- Speed 4-port USB hub controller. It is compliant to Speed, Full-Speed, and Low-Speed USB-IF “Universal Serial Bus Specification (1.5MHz) modes; Revision 2.0” (USB 2.0) specification from every  Integrated upstream 1.5KΩ pull-up, aspects but one – FE8.1 always reports itself as an downstream 15KΩ pull-down, and serial Self-Powered hub, regardless of the actual system resisters; implementation. To achieve the absolutely minimal pin counts, there is no input signal pins left to monitor the local power status.  Integrated 5V to 3.3V and 1.8V regulators;  Integrated Power-On-Reset with power failure detection circuit; The FE8.1 is a highly integrated, high quality, and  high performance solution for USB 2.0 4-port hub. With its tiny footprint and extremely low power resister and crystal load capacitors;  consumption, it is the best choice for embedded application as well as standalone hub. Integrated 12MHz Oscillator with feedback Integrated 12MHz-to-480MHz Phase Lock Loop (PLL);  Single Transaction Translator (Single TT) – The high quality of FE8.1 is guaranteed by Design- □ One TT for all downstream ports; For-Testing with comprehensive scan chains and □ The TT could handle 64 periodic Start- Built-In-Self-Test modes which could exercise all Split transactions, 32 periodic Complete- High, Full, and Low Speed Analog Front End (AFE) Split transactions, and 6 none-periodic components on the packaging and testing stages. transactions; FEATURES  USB 2.0 fully compliant AFE transceivers: □ Upstream Facing Port supports High- September 14, 2017 Subject to Change Without Notice 1 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 ORDER INFORMATION P/N-Order Code FE8.1-FSOP16A September 14, 2017 Description High Speed 4-Port USB Hub Controller Package Type 16-pin SSOP (5mm x 4mm) Subject to Change Without Notice Packing Tube Minimum Order Quantity 80000 2 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 BLOCK DIAGRAM To Downstream Devices Downstream PHY #1 Downstream PHY #2 To Upstream Host/Hub Downstream PHY #3 Downstream PHY #4 Upstream PHY Routing Switch USB Multi-port Transceiver Macro Cell 3.3V & 1.8V Regulator 12MHz Crystal OSC POR PLL (x40) Serial Interface Engine Downstream Port Controllers Transaction Translator Full/Low-Speed Handler Data Recovery & Elastic Buffer Data Transmit Transaction Translator High-Speed Handler Unified Transaction Translator Buffer (2KB) Upstream Port Controller Hub Controller USB 2.0 Hub Controller Fig. 1: Block Diagram September 14, 2017 Subject to Change Without Notice 3 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 PACKAGE I 16-Pin SSOP (Body Size: 5mm x 4mm, Pitch: 0.64mm) PIN ASSIGNMENT DM4 1 16 XOUT DP4 2 15 DM3 3 14 XIN VSS DP3 4 13 VD33F DM2 5 12 VDD5 DP2 6 11 DPU DM1 7 10 DMU DP1 8 9 REXT FE8.1 Fig. 2: 16-Pin SSOP Pin Assignment September 14, 2017 Subject to Change Without Notice 4 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 PIN DESCRIPTION TABLE Pin Name Pin No. Type Function Note DM4 1 UTD The D- pin of the 4th Downstream Facing Port. DP4 2 UTD The D+ pin of the 4th Downstream Facing Port. DM3 3 UTD The D- pin of the 3rd Downstream Facing Port. DP3 4 UTD The D+ pin of the 3rd Downstream Facing Port. DM2 5 UTD The D- pin of the 2nd Downstream Facing Port. DP2 6 UTD The D+ pin of the 2nd Downstream Facing Port. DM1 7 UTD The D- pin of the 1st Downstream Facing Port. DP1 8 UTD The D+ pin of the 1st Downstream Facing Port. REXT 9 DMU 10 UTU The D- pin of the Upstream Facing Port. DPU 11 UTU The D+ pin of the Upstream Facing Port. VDD5 12 P 5V Power Input This is the 5V power input for integrated 5V → 3.3V regulator. However, if external 3.3V source is used, this pin should be Tied-ToGround. VD33F 13 P 3.3V output filter capacitor for embedded 5V → 3.3V regulator, or 3.3V input from external source. VSS 14 P Ground (pin 17 of WQFN is the underbelly exposed pad) XIN 15 OSC 12MHz Crystal Oscillator input/External 12MHz clock input. 1 XOUT 16 OSC 12MHz Crystal Oscillator output. 1 External Bias Resister A 2.7KΩ (± 1%) resister should be connected to VSS to provide internal bias reference. Type Abbreviation – UTD: USB Downstream Facing Port Transceiver (supporting High/Full/Low-Speed); UTU: USB Upstream Facing Port Transceiver (supporting High/Full-Speed); OSC: Crystal Oscillator (with integrated feedback resister, and crystal load capacitor); P: Power/Ground. Note 1 – Crystal Requirements • Frequency accuracy: 12MHz ± 50ppm • Load capacitance: 16pF ~ 20pF September 14, 2017 Subject to Change Without Notice 5 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 APPLICATION ALTERNATIVES The FE8.1 can be either powered by 5V or 3.3V power source. If 3.3V power source is used, then VDD5 must be tied to ground to insure proper operations. September 14, 2017 Subject to Change Without Notice 6 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 ELECTRICAL CHARACTERISTICS ABSOLUTE MAXIMUM RATINGS Parameter Symbol Min. Max. Unit Storage Temperature TS -55 +150 °C Power Supply Voltage VDD5 VD33 -0.5 -0.5 +6.0 +4.0 V -2000 +2000 V ESD Machine Mode (JEDEC Class B) -200 +200 V ESD Charged Device Mode -500 +500 V Latch Up (Class I, Level A) -200 +200 mA ESD Human Body Mode (MIL-STD Class 2) Recommended Operating Ranges Parameter Symbol Operating Temperature TA Operating Voltage VDD5 VD33 LOW level voltage of digital input VIL HIGH level voltage of digital input Min. Typ. Max. 70 °C 5.5 3.6 V -0.3 0.8 V VIH 2.0 5.5 V Threshold voltage of digital input VTH 1.45 1.58 1.74 V Low-to-High level of Schmitt-trigger input VT+ 1.44 1.5 1.56 V High-to-Low level of Schmitt-trigger input VT- 0.89 0.94 0.99 V LOW level voltage of digital output VOL 0.4 V HIGH level voltage of digital output VOH XIN input capacitance Cin Internal Pull-Up Resister Range RPU September 14, 2017 0 Unit 4.5 3.0 5.0 3.3 2.4 V 32 39 Subject to Change Without Notice 65 pF 116 KΩ 7 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 POWER CONSUMPTION ABSOLUTE MAXIMUM RATINGS Symbol Condition Active I_suspend Icc Host 3 2 1 No Active Unit 740 μA Devices Suspend 4 Typical High-Speed 4 x High-Speed 86 mA High-Speed 4 x Full-Speed 40 mA Full-Speed 4 x Full-Speed 27 mA High-Speed 3 x High-Speed 74 mA High-Speed 3 x Full-Speed 40 mA Full-Speed 3 x Full-Speed 27 mA High-Speed 2 x High-Speed 62 mA High-Speed 2 x Full-Speed 40 mA Full-Speed 2 x Full-Speed 27 mA High-Speed 1 x High-Speed 51 mA High-Speed 1 x Full-Speed 40 mA Full-Speed 1 x Full-Speed 27 mA High-Speed None 40 mA Full-Speed None 27 mA Note: The power consumption is measured when the bus is in IDLE state – there is no activities other than the Start-Of-Frame (SOF) and INTERRUPT-IN packets for the hub itself on the bus. The peak power consumption varies depending upon the system configuration, type of operations, and over-all bus utilization. September 14, 2017 Subject to Change Without Notice 8 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 PACKAGE I 16-pin SSOP (Body Size: 5x4 mm, Pitch: 0.64mm) September 14, 2017 Subject to Change Without Notice 9 High Speed 4-Port USB Hub Data Sheet Rev. 1.0 Terminus Technology Inc. 5F, No. 9, Lane. 130, Sec. 3, MinSheng East Road, SongShan Dist. Taipei City 105, TAIWAN, R.O.C. www.terminus-tech.com September 14, 2017 Subject to Change Without Notice 10