Texas Instruments | Interface & Clocks
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Texas Instruments (TI) provides complete interface solutions ranging from computer and consumer connectivity solutions such as 1394 (Fire Wire™), USB, and PCI Express, to industry serial communications standards including digital isolation, UART, LVDS, M-LVDS, RS-485, RS-232, CAN, and more. TI's Logic Design Support Product Casts (10 to 20 minutes) cover a wide range of topics from product roadmaps to application-specific information.
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Texas Instruments SN74AVC4T234 4-Bit Dual-Supply Bus Transceiver
Texas Instruments SN74AVC4T234 4-Bit Dual-Supply Bus Transceiver uses two separate configurable power-supply rails to enable asynchronous communication between B-port inputs and A-port inputs. The A port is designed to track VCCA while the B port is designed to track VCCB. Both VCCA and VCCB are configurable from 0.9V to 3.6V. TI SN74AVC4T234 4-Bit Non-Inverting Bus Translator ensures both a very low static and dynamic power consumption across the entire VCC range of 0.9V to 3.6V, resulting in an increased battery life. The TI SN74AVC4T234 Dual-Supply Bus Transceiver also maintains excellent signal integrity and is fully specified for partial-power-down applications using Ioff.
Texas Instruments TCA9509 Level Translating I²C / SMBus Bus Repeater
The Texas Instruments TCA9509 is an I²C Bus / SMBus Repeater for use in I²C / SMBus systems. The TI TCA9509 Bus Repeater can also provide bidirectional voltage-level translation (up-translation / down-translation) between low voltages (down to 0.9V) and higher voltages (2.7V to 5.5V) in mixed-mode applications. This device enables I²C and similar bus systems to be extended, without degradation of performance even during level shifting. The TI TCA9509 buffers both the serial data (SDA) and the serial clock (SCL) signals on the I²C bus, allowing 400pF bus capacitance on the B-side. This TI device can also be used to isolate two halves of a bus for voltage and capacitance. The TCA9509 Bus Repeater has two types of drivers - A-side drivers and B-side drivers. All inputs and B-side I/Os are overvoltage tolerant to 5.5V. The A-side I/Os are overvoltage tolerant to 5.5V when the device is unpowered (VCCB and/or VCCA=0V).
Texas Instruments TUSB8040 SuperSpeed USB 4-port Hub
Texas Instruments TUSB8040 SuperSpeed USB 4-port hub devices are USB 3.0 compliant devices providing simultaneous SuperSpeed (USB 3.0) and high-speed/full-speed connections on the upstream port and SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream ports. TI TUSB8040 hub controllers support up to four downstream ports and may be configured to report one to four downstream ports by an attached EEPROM or SMBus controller. The configuration options offered by the TI TUSB8040 provide the ability to scale the device by application. The TUSB8040EVM is a free-standing SuperSpeed USB Hub reference design.
Texas Instruments TUSB1310A SuperSpeed USB Transceivers
Texas Instruments TUSB1310A SuperSpeed USB devices are single-port, 5.0-Gbps USB 3.0 physical layer transceivers operating off of a single reference clock provided by either a crystal or an external reference clock. The reference clock frequencies are selectable from 20, 25, 30, and 40MHz. TI TUSB1310A SuperSpeed transceivers provide the clock to the USB controller. The use of a single reference clock allows the TUSB1310A to provide a low-cost USB 3.0 solution with few external components and a low implementation cost. The USB controller interfaces to the TUSB1310A via a PIPE (SuperSpeed) and a ULPI (USB 2.0) interface. The 16-bit PIPE operates off of a 250-MHz interface clock. The ULPI supports 8-bit operations with a 60-MHz interface clock. TI TUSB1310A SuperSpeed (USB 3.0) transceivers are ideal for use in a variety of applications, including surveillance cameras, multimedia handsets, smartphones, digital still cameras, and more.
Texas Instruments TUSB9261 2nd Gen. SuperSpeed USB 3.0 to Serial ATA Bridge
The Texas Instruments TUSB9261 SuperSpeed USB 3.0 to serial ATA bridge provides the necessary hardware and firmware to implement a USB attached SCSI protocol (UASP) compliant mass storage device suitable for bridging hard disk drives (HDD), solid state disk drives (SSD), optical drives, and other compatible SATA 1.5-Gbps or SATA 3.0-Gbps devices to a USB 3.0 bus. In addition to UASP (USB Attached SCSI Protocol) support, the firmware of the ARM Cortex-M3 microcontroller-based TI TUSB9261 SuperSpeed USB 3.0 to serial ATA bridge implements the mass storage class bulk-only transport (BOT) and USB human interface device (HID) interfaces. The TUSB9261 features an integrated transceiver that supports SS/HS/FS signaling. The device also has the best in class adaptive equalizer. The TI TUSB9261 is optimized for use in external HDD/SSD, external DVD, external CD, and HDD-based portable media players. The TUSB9261DEMO free-standing reference design acts as a bridge between a SuperSpeed USB bus and a SATA device. The TUSB9261DEMO is used to evaluate system compatibility.
Texas Instruments TUSB7320 / TUSB7340 USB 3.0 xHCI Host Controllers
Texas Instruments TUSB7320 and TUSB7340 USB 3.0 xHCI Host Controllers are designed to interface to a host system via a PCIe x1 Gen2 interface and provide SuperSpeed, high-speed, full-speed, or low-speed connections on the downstream USB ports. The TI TUSB7320 USB 3.0 xHCI compliant host controller supports up to two downstream ports while the TUSB7340 host controller supports up to four downstream ports. The downstream ports may be independently enabled or disabled and have adjustments for transmit swing, de-emphasis, and equalization settings. TI TUSB7320 and TUSB7340 SuperSpeed USB host controllers support input frequencies between 20MHz and 50MHz and feature best-in-class adaptive receiver equalizer design. TUSB7x30 devices are optimized for use in notebooks, desktop computers, workstations, servers, and more. The TI TUSB7320EVM and TUSB7340EVM are free-standing reference designs for the TUSB73x0 HCI Host Controllers.
Texas Instruments TCA9406 2-Bit Bidirectional Translators
The Texas Instruments TCA9406 is a 2-bit bidirectional translator for SDA and SCL Lines in mixed-mode I²C applications. The TI TCA9406 is operational from 1.65 V to 3.6 V on A-Port and 2.3 V to 5.5 V on B-port. Enable input is referenced to VCCA with a maximum input voltage tolerance of 4.6 V. The TI TCA9406 voltage-level translator can operate up to 24Mbps in push pull mode and 2Mbps with open drain mode. The TI TCA9406 bidirectional translator provides both level translation and physically isolates the capacitance to either side of the bus when both sides are connected. It is designed for a variety of level-shifter applications, including I²C/SMBus, UART, and GPIO.
Texas Instruments PCA9306 Voltage-Level Translator
The Texas Instruments PCA9306 voltage-level translator allows bidirectional voltage translations between 1.2V and 5V without the use of a direction pin. The low ON-state resistance of the switch allows connections to be made with minimal propagation delay. The TI PCA9306 voltage-level translator is I²C and SMBus compatible and enables a system designer to isolate two halves of a bus, allowing more I²C devices or longer trace length to be accommodated.
Texas Instruments DIX9211 216kHz Digital Audio Interface Transceiver
The Texas Instruments DIX9211 216 kHz digital audio interface transceiver is a complete analog and digital front-end for multimedia players and recorders. The TI DIX9211 digital audio interface transceiver integrates an S/PDIF transceiver with up to 12 multiplexed inputs and 3x PCM inputs to allow other audio receivers to be multiplexed along with the analog and S/PDIF signals to a digital signal processor (DSP). This TI device includes digital audio I/F receiver, digital audio I/F transmitter, a routing function, and other features. The DIX9211 is ideal for home theater and AVR equipment, TV and soundbars, musical instruments, recording, and broadcast, and high-performance soundcards.
Texas Instruments SN65LVPE504 Quad Channel PCIe Redriver / Equalizer
The Texas Instruments SN65LVPE504 quad channel, half four lane PCIe redriver / equalizer supports data rates of up to 5.0Gbps and complies with PCIe spec revision 2.1, supporting electrical idle and power management modes. The TI SN65LVPE504 redriver features selectable equalization, de-emphasis, and output swing and is designed to minimize the signal degradation effects such as crosstalk and inter-symbol interface that limits interconnect distance between two devices. The input stage of each channel offers selectable equalization settings that can be programmed to match loss in the channel. The differential outputs provide selectable de-emphasis to compensate for the anticipated distortion the PCIe signal will experience.
Texas Instruments SN65LVDS349 Quad High-Speed Differential Receiver
The Texas Instruments SN65LVDS349 quad high-speed differential receiver with a wide common-mode input voltage range. This allows receipt of TIA/EIA-644 signals with up to 3V of ground noise or a variety of differential and single-ended logic levels. The TI SN65LVDS349 is in a 16-pin package and offers a flow-through architecture with all inputs on one side and outputs on the other to ease board layout and reduce crosstalk between receivers. The TI LVDS349 receiver provides three times the standard minimum common-mode noise voltage tolerance and features single-channel signaling rates up to 560 Mbps.
Texas Instruments ULN2003A Darlington Transistor Arrays
Texas Instruments ULN2003A high-voltage high-current Darlington transistor arrays consist of seven npn Darlington pairs that feature high-voltage outputs with common-cathode clamp diodes for switching inductive loads. The collector-current rating of a single Darlington pair is 500 mA. The Darlington pairs can be paralleled for higher current capability. The TI ULN2003A transistor array has a 2.7-kΩ series base resistor for each Darlington pair
for operation directly with TTL or 5-V CMOS devices. The TI ULN2003A is designed for a variety of applications, including relay drivers, hammer drivers, lamp drivers, display drivers (LED and gas discharge), line drivers, and logic buffers.
Texas Instruments TS3USB221E / TS3USB31E High-Speed USB Switches
The Texas Instruments TS3USB221E and TS3USB31E high-speed USB switches are high-bandwidth devices specially designed for the switching of high-speed USB 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited USB I/Os. The wide bandwidth (TS3USB221E = 1 GHz, TS3USB31E = 1100 MHz) of these TI USB switches allows signals to pass with minimum edge and phase distortion. The TI TS3USB221E USB switch multiplexes differential outputs from a USB host device to one of two corresponding outputs. The TI TS3USB221E and the TS3USB31E are both bidirectional and offer little or no attenuation of the high-speed signals at the outputs. These TI USB switches are designed for low bit-to-bit skew and high channel-to-channel noise isolation. These devices are compatible with high-speed USB 2.0 (480 Mbps) and various standards.
Texas Instruments Flatlink™ Transmitter: SN75LVDS83B
The Texas Instruments SN75LVDS83B FlatLink™ transmitter
is the first LVDS serializer that connects directly to 1.8-V powered
processors, eliminating a costly level shifter, lowering cost, and
reducing board space by up to 83 percent. This TI device
contains four 7-bit parallel-load serial-out shift registers, a 7X
clock synthesizer, and five Low-Voltage Differential Signaling (LVDS)
line drivers in a single integrated circuit. The TI SN76LVDS83B FlatLink transmitter
allows 28 bits of single-ended LVTTL data to be synchronously
transmitted over five balanced-pair conductors for receipt by a
compatible receiver or LCD panels with integrated LVDS receiver. The TI FlatLink transmitter provides a Transfer Rate up to 135 Mpps and a Pixel Clock Frequency Range of 10 MHz to 135 MHz. The TI SN75LVDS83B operates from a single 3.3V supply and 170mW at 75 MHz. This TI device is ideal for LCD Display Panel Drive, UMPC and Netbook PC, and a digital picture frame. Learn More