Logic ICs
Products (54)
TXB0108PWR - 8-Bit Bidirectional Level Shifter | TI
The Texas Instruments TXB0108PWR is an 8-bit bidirectional voltage-level translator with auto-direction sensing and ±15-kV ESD protection, housed in a 20-pin TSSOP (PW) package. It translates signals between a 1.2V to 3.6V A port and a 1.65V to 5.5V B port, with VCCA ≤ VCCB, making it ideal for mixed-voltage systems. The device supports data rates up to 100 Mbps and features a VCC isolation feature: if either VCC input is at GND, all outputs are in the high-impedance state. A voltage-level translator is a logic IC that enables communication between devices operating at different supply voltages, such as a 1.8V microcontroller and a 3.3V sensor. It sits within the hierarchy of logic ICs, specifically under level shifters, which are essential in multi-voltage digital systems. The TXB0108PWR uses auto-direction sensing, eliminating the need for a direction control pin, simplifying PCB design and firmware. Key features include auto-direction sensing, ±15-kV ESD protection (HBM), 100 Mbps maximum data rate, and a wide supply range. The auto-direction feature reduces GPIO usage, while the high ESD rating enhances robustness in industrial and consumer environments. The device operates over -40°C to 85°C, suitable for most commercial applications. Technically, the TXB0108 uses a one-shot architecture to accelerate low-to-high transitions, enabling high-speed operation. It is designed for push-pull drivers; for open-drain applications, TI recommends the TXS0108E. The device has a typical quiescent current of [DATA_NEEDED: quiescent current] and supports partial power-down with the VCC isolation feature. Typical applications include interfacing between microcontrollers (e.g., 1.8V) and peripherals (e.g., 3.3V sensors), SD card level shifting, UART/SPI/I2C translation, and FPGA configuration. Its 100 Mbps capability suits high-speed SPI and UART links. When designing, ensure VCCA ≤ VCCB and avoid using it with open-drain signals without external pull-ups, as it only supports push-pull. Place decoupling capacitors near each VCC pin and keep trace lengths short to minimize signal integrity issues.
TXB0304RSVR - 4-Bit Bidirectional Level Shifter | Texas Instruments
The Texas Instruments TXB0304RSVR is a 4-bit bidirectional voltage-level translator with automatic direction sensing, designed for mixed-voltage systems. It operates with two separate power-supply rails, VCCA and VCCB, each configurable from 0.9V to 3.6V, enabling seamless translation between low-voltage and high-voltage domains. The device supports data rates up to 100 Mbps and is housed in a 16-pin UQFN (RSV) package measuring 2.6mm x 1.8mm, making it ideal for space-constrained applications. A voltage-level translator is a crucial component in modern electronics, allowing communication between ICs operating at different voltage levels. For example, a 1.8V microcontroller can interface with a 3.3V sensor or memory device without risking damage or logic errors. The TXB0304 belongs to the TXB family of auto-direction-sensing translators, which simplify design by eliminating the need for direction-control signals. This family is part of TI's broader level-shifting portfolio, which includes unidirectional and bidirectional solutions for various interface standards. Key features of the TXB0304RSVR include fully symmetric supply voltage range (0.9V to 3.6V on both VCCA and VCCB), automatic direction sensing that detects data flow without external control, and a high data rate of 100 Mbps. The device also features an isolation function: if either VCC input is at GND, all outputs are placed in a high-impedance state, preventing backflow current and protecting the system. Additionally, it has a low quiescent current, making it suitable for battery-powered applications. Technically, the TXB0304 uses a one-shot circuit to accelerate rising edges, ensuring fast signal propagation even with capacitive loads. The architecture includes a pass-gate transistor with a pull-up resistor on each I/O pin, providing a robust translation mechanism. The device is specified for operation over the industrial temperature range of -40°C to +85°C, and it is RoHS compliant and lead-free. Typical applications include SPI, I2C, UART, and GPIO interfacing between microcontrollers, sensors, memory, and peripherals operating at different voltage levels. It is particularly useful in IoT devices, portable electronics, and industrial control systems where multiple voltage domains coexist. When designing with the TXB0304, ensure that both VCCA and VCCB are powered and that the voltage difference does not exceed the absolute maximum ratings. Place decoupling capacitors close to the power pins to minimize noise and ensure reliable operation.
TXB0604 - 4-bit Auto-Bidirectional Level Translator | TI
The Texas Instruments TXB0604 is a 4-bit non-inverting auto-bidirectional voltage level translator designed for high-speed interfaces such as Quad-SPI (QSPI), Octal-SPI (OSPI), and eSPI. It uses two separate configurable power-supply rails: the A port tracks VCCA (0.9V to 2V) and the B port tracks VCCB (1.65V to 3.6V), with the constraint VCCA ≤ VCCB. This device supports maximum data rates exceeding 345Mbps with a 15pF load and over 190Mbps with a 100pF load, making it suitable for memory-intensive applications between a Baseboard Management Controller (BMC) and Flash devices. A voltage level translator is an integrated circuit that allows digital signals to cross between different voltage domains, ensuring proper logic levels and signal integrity. The TXB0604 belongs to the family of auto-bidirectional translators, which automatically sense the direction of data flow without requiring a direction control signal, simplifying design and reducing pin count. This device is part of the broader category of level shifters, which are essential in mixed-voltage systems. Key features of the TXB0604 include patented design for high data throughput, no direction control signal needed, and support for high-speed interfaces. The device also features partial power-down (Ioff), Vcc disconnect, and Vcc isolation, which protect against back-powering and ensure safe operation in multi-rail systems. The TXB0604 is available in a 14-pin TSSOP package (PWR suffix) and a 14-pin VQFN package (RSVR suffix), both with wettable flanks for enhanced solder joint inspection. Technically, the TXB0604 uses a one-shot circuit to accelerate rising edges, reducing propagation delay and improving signal integrity. The auto-bidirectional architecture eliminates the need for an external direction pin, which is common in traditional level shifters. The device also includes integrated pull-up resistors on the A and B ports, simplifying external component count. The TXB0604 is designed to drive longer cables and higher capacitive loads compared to legacy parts like TXB0104, making it ideal for applications requiring robust signal transmission. Typical applications include Quad-SPI and Octal-SPI interfaces between BMCs and Flash memory, eSPI buses, and other high-speed serial interfaces in servers, networking equipment, and industrial systems. The device is also suitable for level shifting in mixed-voltage systems where a low-voltage processor communicates with higher-voltage peripherals. When designing with the TXB0604, ensure that VCCA is always less than or equal to VCCB, and place decoupling capacitors close to the power pins. The device supports partial power-down, so unused inputs should be tied to appropriate levels to avoid floating nodes.
TXS0102DCUR - 2-Bit Bidirectional Level Shifter | TI
The Texas Instruments TXS0102DCUR is a 2-bit bidirectional voltage-level translator designed for open-drain and push-pull applications. It enables digital switching compatibility between mixed-voltage systems by using two separate configurable power-supply rails: the A ports support operating voltages from 1.65V to 3.6V while tracking the VCCA supply, and the B ports support operating voltages from 2.3V to 5.5V while tracking the VCCB supply. This device is available in an 8-pin VSSOP (DCU) package and operates over a temperature range of -40°C to 85°C. A voltage-level translator, also known as a level shifter, is an integrated circuit that allows communication between components operating at different voltage levels. In mixed-voltage systems, such as those combining 3.3V microcontrollers with 5V sensors or 1.8V logic with 3.3V peripherals, level shifters ensure that logic high and low signals are correctly interpreted across the voltage domains. The TXS0102 belongs to the category of bidirectional translators, which can shift signals in both directions without a direction-control signal, simplifying design and reducing pin count. Key features of the TXS0102DCUR include no direction-control signal needed, maximum data rates of 24 Mbps for push-pull and 2 Mbps for open-drain applications, and support for I2C, SMBus, and UART interfaces. The device uses a one-shot architecture to accelerate rising edges, ensuring fast signal transitions even with capacitive loads. It also features auto-direction sensing, which eliminates the need for external direction control and reduces system complexity. Technically, the TXS0102 uses a pass-gate architecture with pull-up resistors on both the A and B ports. When the output is driven low, the pass-gate is turned on, and when the output is high, the pull-up resistor pulls the line to the respective supply voltage. This design allows for bidirectional operation without a direction pin. The device also includes an OE (output enable) pin that, when low, disables the outputs and places the device in a high-impedance state, which is useful for power sequencing and bus isolation. Typical applications include interfacing between microcontrollers and sensors, connecting I2C or SMBus devices operating at different voltages, and level shifting for UART communication between 3.3V and 5V systems. The TXS0102DCUR is also suitable for use in consumer electronics, industrial control, and automotive infotainment systems where mixed-voltage compatibility is required. When designing with the TXS0102DCUR, it is important to ensure that the VCCA and VCCB supplies are within the specified ranges and that the OE pin is properly controlled to avoid bus contention. Additionally, pull-up resistors may be required on open-drain lines to ensure proper logic levels, and the maximum data rate should be considered for high-speed applications.
TXS0108EPWR - 8-Bit Bidirectional Level Shifter | TI
The Texas Instruments TXS0108EPWR is an 8-bit bidirectional voltage-level translator designed for open-drain and push-pull applications. It operates with two separate configurable power-supply rails, VCCA and VCCB, supporting voltage translation from 1.2V to 3.6V on the A port and 1.65V to 5.5V on the B port. The device is housed in a 20-pin TSSOP (PW) package and supports data rates up to 60 Mbps for push-pull and 2 Mbps for open-drain applications. A voltage-level translator, also known as a level shifter, is an integrated circuit that enables communication between digital systems operating at different voltage levels. It is a critical component in mixed-voltage systems, allowing a low-voltage microcontroller to interface with higher-voltage peripherals or vice versa. The TXS0108E belongs to the family of bidirectional level translators, which automatically sense the direction of data flow without requiring a direction-control signal, simplifying system design. Key features of the TXS0108EPWR include automatic direction sensing, which eliminates the need for a direction pin, and the VCC isolation feature: if either VCC input is at GND, all outputs are in the high-impedance state, preventing back-powering and protecting the system. The device also supports partial power-down mode, ensuring no current is drawn from the I/O pins when the supply is off. With a low quiescent current of 620 µA, it is suitable for power-sensitive applications. Technically, the TXS0108E uses a one-shot architecture to accelerate low-to-high transitions, enabling high-speed operation for push-pull signals. The device is specified for operation over the industrial temperature range of -40°C to +85°C. It is RoHS compliant and has an MSL level of 1 (unlimited floor life at 260°C reflow), making it easy to handle in manufacturing. Typical applications include interfacing between microcontrollers (e.g., 1.8V or 3.3V) and higher-voltage peripherals such as sensors, memory cards, or UART/SPI/I2C buses. It is widely used in consumer electronics, industrial control, and IoT devices where multiple voltage domains coexist. The TXS0108EPWR is a drop-in solution for PCB designs requiring 8 channels of bidirectional level shifting. When designing with this device, ensure that both VCCA and VCCB are powered and that the voltage difference does not exceed the absolute maximum ratings. Place decoupling capacitors close to the supply pins to maintain signal integrity. For open-drain applications, external pull-up resistors are required on both sides.
TXS0108ERGYR - 8-Bit Bidirectional Level Shifter | Texas Instruments
The Texas Instruments TXS0108ERGYR is an 8-bit bidirectional voltage-level translator designed for open-drain and push-pull applications. It operates with a VCCA range of 1.4V to 3.6V and a VCCB range of 1.65V to 5.5V, with the condition VCCA ≤ VCCB. The device supports maximum data rates of 110Mbps for push-pull and 1.2Mbps for open-drain, making it suitable for a wide range of level-shifting needs. It comes in a 20-pin VQFN (RGY) package measuring 3.5x4.5mm, with an operating temperature range of -40°C to 85°C. A voltage-level translator, also known as a level shifter, is an electronic component that enables communication between devices operating at different voltage levels. It is essential in mixed-voltage systems where, for example, a 3.3V microcontroller interfaces with a 5V peripheral. The TXS0108E belongs to the category of level translators, which are part of the broader logic IC family. Its bidirectional capability allows data to flow in both directions without a direction-control signal, simplifying design and reducing pin count. Key features include no direction-control signal needed, which simplifies the interface; VCC isolation that places all outputs in high-impedance state if either VCC is at GND; and no power-supply sequencing required, as either VCCA or VCCB can be powered first. The device also features auto-direction sensing, making it ideal for I2C, SPI, and UART interfaces. Its low quiescent current and wide voltage range enhance its versatility. Technically, the TXS0108E uses a one-shot accelerator circuit to improve switching speed, enabling the high data rates. The architecture includes a pass-gate transistor with an edge-rate accelerator, which provides fast rise times for push-pull signals. The device is designed to handle capacitive loads up to 70pF, and its output drive capability is specified for various load conditions. The VQFN package offers excellent thermal performance and a small footprint, suitable for space-constrained designs. Typical applications include interfacing between low-voltage microcontrollers (1.8V/2.5V/3.3V) and higher-voltage peripherals (5V), such as in I2C bus level shifting, SPI communication, and UART connections. It is also used in SD card interfaces, SIM card readers, and general-purpose GPIO level translation. The device's bidirectional nature and lack of direction control make it particularly useful in systems where data direction changes frequently. When designing with the TXS0108E, ensure that VCCA is always less than or equal to VCCB. Place decoupling capacitors (0.1µF and 10µF) close to the VCCA and VCCB pins. For open-drain applications, external pull-up resistors are required on both sides. The device does not require external biasing resistors, simplifying the BOM.