USB1T11AMTC

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This literature is subject to all applicable copyright laws and is not for resale in any manner. USB1T11A — Universal Serial Bus Transceiver Features Description ƒ Complies with Universal Serial Bus Specification 1.1 ƒ Utilizes Digital Inputs and Outputs to Transmit and Receive USB Cable Data ƒ Supports 12Mbit/s “Full Speed” and 1.5Mbit/s “Low Speed” Serial Data Transmission ƒ Compatible with the VHDL “Serial Interface Engine” from USB Implementers' Forum ƒ Supports Single-ended Data Interface ƒ Single 3.3V Supply ƒ ESD Performance: Human Body Model The USB1T11A is a one-chip, generic USB transceiver. It is designed to allow 5.0V or 3.3V programmable and standard logic to interface with the physical layer of the Universal Serial Bus. It is capable of transmitting and receiving serial data at both full-speed (12Mbit/s) and low-speed (1.5Mbit/s) data rates. The input and output signals of the USB1T11A conform with the “Serial Interface Engine.” Implementation of the serial interface engine allows designers to make USBcompatible devices with off-the-shelf logic to modify and update the application. >9.5kV on D-, D+ pins only >4kV on all other pins Ordering Information Operating Temperature Range Package Packing Method USB1T11AM 14-Lead, Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150-Inch Narrow Tube USB1T11AMX 14-Lead, Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150-Inch Narrow Tape and Reel Part Number -40 to +85°C USB1T11AMTC 14-Lead, Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Tube USB1T11AMTCX 14-Lead, Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Tape and Reel D- /OE SPEED VMO/FSE0 D+ VPO RCV + - VP VM Figure 1. Logic Diagram © 1999 Fairchild Semiconductor Corporation USB1T11A • Rev. 1.0.4 www.fairchildsemi.com USB1T11A — Universal Serial Bus Transceiver August 2010 MODE 1 14 VCC /OE 2 13 VMO/FSEO RCV 3 12 VPO VP 4 11 D+ VM 5 10 D- SUSPND 6 9 SPEED GND 7 8 NC Figure 2. TSSOP and SOIC Pin Assignments Pin Descriptions Pin Names I/O Description RCV O Receive Data. CMOS level output for USB differential input. /OE I Output Enable. Active LOW, enables the transceiver to transmit data on the bus. When not active, the transceiver is in receive mode. Mode I Mode. When left unconnected, a weak pull-up transistor pulls it to VCC and, in this GND, the VMO/FSEO pin takes the function of FSEO (force SEO). USB1T11A — Universal Serial Bus Transceiver Pin Configuration Inputs to differential driver. (Outputs from SIE.) VPO,VMO/FSEO I Mode VPO VMO/FSEO RESULT 0 0 0 Logic “0” 0 0 1 /SEO 0 1 0 Logic “1” 0 1 1 /SEO 1 0 0 /SEO 1 0 1 Logic “0” 1 1 0 Logic “1” 1 1 1 Illegal Code Buffered version of D- and D+. Outputs are logic “0” and logic “1.” Used to detect single ended zero (/SEO), error conditions, and interconnected speed. (Input to SIE). VP,VM D+, D- O AI/O VP VM RESULT 0 0 /SEO 0 1 Low Speed 1 0 Full Speed 0 1 Error Data+, Data-. Differential data bus conforming to the Universal Serial Bus standard. SUSPND I Suspend. Enables a low-power state while the USB bus is inactive. While the suspend pin is active, it drives the RCV pin to a logic “0” state. Both D+ and D- are 3STATE. Speed I Edge Rate Control. Logic “1” operates at edge rates for “full speed.” Logic “0” operates edge rates for “low speed.” VCC 3.0 to 3.6 power supply. GND Ground reference. © 1999 Fairchild Semiconductor Corporation USB1T11A • Rev. 1.0.4 www.fairchildsemi.com 2 Input I/O Outputs Mode VPO VMO/FSEO /OE SUSPND D+ D- RCV VP VM Result 0 0 0 0 0 0 1 0 0 1 Logic “0” Undefined State 0 0 /SEO 0 0 1 0 0 0 0 0 1 0 0 0 1 0 1 1 0 Logic “1” 0 0 /SEO 0 1 1 0 0 0 0 Undefined State 1 0 0 0 0 0 0 Undefined State 0 0 /SEO 1 0 1 0 0 0 1 0 0 1 Logic “0” 1 1 0 0 0 1 0 1 1 0 Logic “1” 1 1 1 0 0 1 1 Undefined State Undefined State Undefined State Illegal Code Don’t Care Don’t Care Don’t Care 1 0 3-State 3-State Undefined State Undefined State Undefined State D+/DHi-Z Don’t Care Don’t Care Don’t Care 1 1 3-State 3-State Undefined State Undefined State Undefined State D+/DHi-Z © 1999 Fairchild Semiconductor Corporation USB1T11A • Rev. 1.0.4 USB1T11A — Universal Serial Bus Transceiver Functional Truth Table www.fairchildsemi.com 3 Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol VCC Parameter DC Supply Voltage IIK DC Input Diode Current, VINVCC or VO