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Productos (272)
SN74HCS86QPWRQ1 - Quad 2-Input XOR Gate, AEC-Q100 | TI
The Texas Instruments SN74HCS86QPWRQ1 is an automotive-qualified quadruple 2-input XOR (exclusive OR) gate with Schmitt-trigger inputs, supplied in a 14-pin TSSOP (PW) package. It operates from a wide 2 V to 6 V supply range and across a -40C to +125C ambient temperature range, per AEC-Q100 temperature grade 1 qualification. An XOR gate is a fundamental digital logic primitive in the combinational logic family of gates and inverters: its output is HIGH only when an odd number of inputs is HIGH, making it essential for adders, parity generation and checking, pseudo-random sequence generation, and signal comparison. The SN74HCS86-Q1 belongs to the HCS (HC with Schmitt) CMOS logic family, a modern low-power derivative of the classic 74HC high-speed CMOS series. The key feature distinguishing this device is its Schmitt-trigger inputs, which tolerate slow or noisy input edges that would cause oscillation in standard CMOS gates. The wide 2 V to 6 V operating range supports legacy 5 V systems as well as 3.3 V and lower-voltage rails. The device offers very low static power consumption typical of CMOS logic, and automotive-grade robustness with HBM ESD Level 2 and CDM ESD classification Level C6 per the TI datasheet (Rev. C). Because all four XOR gates are independent in a single package, the device consolidates parity trees, phase comparators, and code-comparison functions efficiently on board. Balanced drive capability and standardized TTL/CMOS-compatible thresholds at 5 V ease interfacing with microcontrollers and FPGAs. Typical applications include automotive body and powertrain modules, gate drivers for isolated communication schemes, parity checkers in serial links, frequency doublers, and XOR-based CRC generation in industrial systems. Design tip: keep unused inputs tied to VCC or GND (unused XOR gates may have inputs grounded) to prevent floating-node oscillation and excess current draw, and provide local 100 nF decoupling per TI logic application guidance.
SN74HCT240PWR - Octal Inverting 3-State Buffer | TI TSSOP-20
The Texas Instruments SN74HCT240PWR is an octal inverting buffer and line driver with 3-state outputs, organized as 2 elements of 4 bits each, housed in a 20-pin TSSOP (PW) package. It operates from a 4.5 V to 5.5 V VCC supply, features TTL-compatible CMOS inputs, and provides high-current outputs capable of driving up to 15 LSTTL loads. A buffer and line driver is a digital logic device that amplifies and isolates a signal between a source and a load. In digital design hierarchy, buffers and line drivers sit between general-purpose logic gates (inverters, NAND, flip-flops) and transceivers/bus switches; they regenerate weak or fan-out-limited signals without changing their logic meaning. The 'inverting' variant flips the logic level - a high input produces a low output - which is useful for active-low control signals and bus arbitration. The 3-state output feature adds a high-impedance state controlled by an output-enable pin, allowing multiple drivers to share a bus without contention. Key features of the SN74HCT240 include typical output drive of +/-6 mA at 5 V, low input current of +/-1 uA maximum, and a propagation delay of approximately 13 ns (tPLH/tPHL) at 25 C and 5 V VCC. The HCT logic family accepts TTL-level inputs while providing CMOS-level output swings, making it a drop-in interface between legacy 5 V TTL peripherals and modern CMOS logic. Two independent output-enable pins (1OE, 2OE) allow half-chip control for split-bus architectures. Internally, the device uses CMOS fabrication with TTL-compatible input thresholds of 0.8 V (VIL) and 2.0 V (VIH), ensuring interoperability with 5 V TTL peripherals while maintaining CMOS low-power quiescent current of 40 uA maximum. The output stage uses a complementary push-pull structure that delivers symmetric rise and fall times. Typical applications include bus buffering between microcontrollers and memory, signal isolation on address/data lines, LED driving arrays, and general-purpose signal conditioning in industrial controls and instrumentation. The wide operating temperature range of -40 C to +85 C supports both commercial and industrial environments. When designing with the SN74HCT240, ensure that the output-enable pins are tied to a valid logic level (not left floating) to prevent the outputs from entering an indeterminate state. For high-speed buses, place a 0.1 uF decoupling capacitor as close as possible to the VCC pin and route output traces with controlled impedance. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on a single manufacturer or distributor page - including same-brand SN74HCT244PWR (non-inverting variant) and cross-brand equivalents from onsemi (MC74HCT240ADTR2G) and NXP, enabling engineers to evaluate substitutes quickly.
SN74HCT245NSR - Octal Bus Transceiver 3-State | Texas Instruments
The Texas Instruments SN74HCT245NSR is an octal bus transceiver with 3-state outputs designed for asynchronous two-way communication between data buses, housed in a 20-pin SOP (NS) surface-mount package. It operates from a 4.5V to 5.5V supply, delivers ±6mA output drive at 5V, and features a typical propagation delay of 14 ns. An octal bus transceiver is a digital logic integrated circuit that buffers and transfers eight bits of data between two buses in either direction. As a member of the broader voltage-level-translation and buffer/driver family within the 74HCT high-speed CMOS-TTL-compatible logic series, it sits between bus masters (such as microcontrollers or FPGAs) and peripheral buses, providing drive strength, direction control, and high-impedance isolation. Key features include an operating voltage range of 4.5V to 5.5V, high-current 3-state outputs that can drive bus lines directly or up to 15 LSTTL loads, and low power consumption with a maximum ICC of 80 uA. The device provides ±6mA output drive at 5V and a low input current of 1 uA maximum. Inputs are TTL-voltage compatible, allowing direct interfacing with 5V TTL logic and many 3.3V microcontroller outputs. Architecturally, the SN74HCT245 uses a non-inverting 8-bit transceiver core with two control pins: DIR (direction) selects the data path (A-to-B or B-to-A), and OE (output enable) active-low pin places all outputs in the high-impedance 3-state condition. The HCT CMOS process combines the low static power of CMOS with TTL input thresholds, minimizing external timing requirements per the TI datasheet. Typical applications include microprocessor and MCU peripheral bus isolation, memory and I/O expansion buses, backplane communication in industrial controllers, and 5V legacy system interfacing where TTL-compatible inputs are required. For reliable operation, tie OE low through a pull-down resistor when unused, and place 0.1uF decoupling capacitors close to the VCC pin on both sides of the wide-body package. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not consolidated in the manufacturer datasheet.
SN74HCT74 - Dual D-Type Flip-Flop with Clear/Preset | TI
The SN74HCT74 is a dual D-type positive-edge-triggered flip-flop from Texas Instruments, featuring clear and preset inputs. It operates over a supply voltage range of 4.5V to 5.5V, making it compatible with TTL logic levels. The device is available in multiple package options including 14-pin DIP (N), SOIC (D), and TSSOP (PW), with the SN74HCT74N being a common through-hole variant. A D-type flip-flop is a fundamental sequential logic element that stores one bit of data. On the rising edge of the clock signal, the output (Q) takes the value of the data input (D). The SN74HCT74 contains two independent flip-flops, each with preset (PRE) and clear (CLR) inputs that asynchronously set or reset the outputs regardless of clock state. This makes it essential for building registers, counters, and state machines in digital systems. Key features include a wide operating voltage range of 4.5V to 5.5V, low power consumption with a maximum ICC of 40 µA, and the ability to drive up to 10 LSTTL loads. The typical propagation delay (tpd) is 15 ns at 5V, and the output drive capability is ±4 mA. The device is fully specified for operation from -40°C to 85°C, making it suitable for industrial applications. The SN74HCT74 uses HCT (High-Speed CMOS with TTL-compatible inputs) technology, which combines the low power of CMOS with the input thresholds of TTL. This allows direct interfacing with TTL logic without additional level shifting. The positive-edge-triggered design ensures reliable data capture, and the asynchronous preset and clear inputs provide flexible control for initialization and reset operations. Typical applications include data storage registers, frequency dividers, and control logic in microcontrollers, industrial automation, and consumer electronics. The device is also used in debouncing circuits and as a building block for more complex sequential logic. Its TTL compatibility makes it ideal for mixed-voltage systems. When designing with the SN74HCT74, ensure that the setup and hold times are met relative to the clock edge. The preset and clear inputs are active-low and should be tied high when unused. Decouple the power supply with a 0.1 µF capacitor near the VCC pin to minimize noise.
SN74LS07D - Hex Buffer/Driver OC 30V 40mA | Texas Instruments (Tape & Reel)
The Texas Instruments SN74LS07D is a hex non-inverting buffer and driver featuring high-voltage open-collector outputs rated at 30 V with a maximum sink current of 40 mA, supplied in a 14-pin SOIC (D) package. Operating from a 4.75 V to 5.25 V TTL supply over a 0 C to 70 C commercial temperature range, it performs level translation and high-current load driving in a single low-cost IC. A buffer/driver is a logic element that isolates and amplifies digital signals so a low-power logic output can drive heavier loads, longer buses, or circuits operating at different voltage levels. Buffers and drivers sit within the broader hierarchy of logic ICs, which spans gates, flip-flops, registers, and bus interface devices in standard 7400 TTL and CMOS families. Key features include open-collector outputs that interface directly with high-level circuits such as MOS gates, indicator lamps, and relays; a strong 40 mA sink-current capability well beyond standard TTL outputs; input clamping diodes that simplify system design by suppressing negative-going line transients; and operation as a straight-through non-inverting buffer for driving TTL inputs. These characteristics make it a classic choice for logic-to-power interfacing. Architecturally, the SN74LS07 is a bipolar LS-TTL device. Each of the six channels is a single transistor with its collector open at the package pin, so no output-high voltage is driven internally; instead, an external pull-up resistor to any voltage up to 30 V defines the logic-high level. This permits conversion of 5 V TTL logic levels to MOS levels, wire-AND logic combining, and driving of lamps or relays with the external pull-up sized for the load current. Typical applications include driving LED indicators and relays from microcontroller or TTL outputs, level shifting between 5 V logic and higher-voltage MOS circuits, implementing wire-AND/wire-OR bus lines on shared nodes, and general TTL buffering in industrial control panels and test fixtures. In design, always provide an external pull-up resistor on every output, sized so the sink current stays below 40 mA and the pull-up dissipation is acceptable; do not use this part where an active drive-high output is required. This page synthesizes verified distributor data, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.
SN74LS07DR - Hex Buffer/Driver OC 30V 40mA | Texas Instruments
The Texas Instruments SN74LS07DR is a hex non-inverting buffer and driver featuring high-voltage open-collector outputs rated at 30 V with a maximum sink current of 40 mA, supplied in a 14-pin SOIC (D) package. Operating from a 4.75 V to 5.25 V TTL supply over a 0 C to 70 C commercial temperature range, it performs level translation and high-current load driving in a single low-cost IC. A buffer/driver is a logic element that isolates and amplifies digital signals so a low-power logic output can drive heavier loads, longer buses, or circuits operating at different voltage levels. Buffers and drivers sit within the broader hierarchy of logic ICs, which spans gates, flip-flops, registers, and bus interface devices in standard 7400 TTL and CMOS families. Key features include open-collector outputs that interface directly with high-level circuits such as MOS gates, indicator lamps, and relays; a strong 40 mA sink-current capability well beyond standard TTL outputs; input clamping diodes that simplify system design by suppressing negative-going line transients; and operation as a straight-through non-inverting buffer for driving TTL inputs. These characteristics make it a classic choice for logic-to-power interfacing. Architecturally, the SN74LS07 is a bipolar LS-TTL device. Each of the six channels is a single transistor with its collector open at the package pin, so no output-high voltage is driven internally; instead, an external pull-up resistor to any voltage up to 30 V defines the logic-high level. This permits conversion of 5 V TTL logic levels to MOS levels, wire-AND logic combining, and driving of lamps or relays with the external pull-up sized for the load current. Typical applications include driving LED indicators and relays from microcontroller or TTL outputs, level shifting between 5 V logic and higher-voltage MOS circuits, implementing wire-AND/wire-OR bus lines on shared nodes, and general TTL buffering in industrial control panels and test fixtures. In design, always provide an external pull-up resistor on every output, sized so the sink current stays below 40 mA and the pull-up dissipation is acceptable; do not use this part where an active drive-high output is required. This page synthesizes verified distributor data, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.
SN74LS07DRE4 - Hex Buffer Open-Collector 30V | TI
The Texas Instruments SN74LS07DRE4 is a hex non-inverting buffer/driver with high-voltage open-collector outputs rated at 30 V, 40 mA sink capability, and operation from a 4.75 V to 5.25 V supply, housed in a 14-pin SOIC (D) package. A buffer/driver is a logic element that isolates signal sources from loads and provides the current drive capability that standard logic outputs often lack. Within the power-management and interface hierarchy, buffers bridge low-power digital controllers and higher-current loads such as LEDs, relays, motors and high-level logic families. Open-collector buffers are a special class: the output transistor can only sink current, so the logic-high level is set by an external pull-up resistor, allowing level shifting between different voltage domains. Key features of the SN74LS07 include a rated output voltage of 30 V on the open-collector stage, a maximum sink current of 40 mA per output, six independent non-inverting elements in one package, and classic Low-Power Schottky (LS) TTL bipolar technology. The DRE4 ordering suffix denotes the 14-SOIC package in tape-and-reel packaging for automated assembly. Technically, the bipolar LS architecture provides fast switching with robust noise margins and rugged open-collector outputs suited for driving heavy loads. Because outputs are open-collector, they support wired-AND configurations where multiple outputs share a pull-up, a common technique for shared interrupt or status lines. Typical applications include driving high-current LED indicators, interfacing 5 V logic to high-level circuits up to 30 V, relay and solenoid drive, and TTL input buffering in industrial control panels. Design consideration: always provide a pull-up resistor to the desired high-level voltage; the open-collector output cannot source current, and the pull-up value trades speed against sink current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SN74LS138 - 3-to-8 Decoder/Demultiplexer LS-TTL | TI
The SN74LS138 is a 3-line to 8-line decoder/demultiplexer from Texas Instruments, part of the 74LS family of Schottky-clamped TTL MSI circuits designed for high-performance memory decoding and data-routing applications requiring very short propagation delay times. It provides three binary select inputs (A, B, C), three enable inputs (G1, G2A, G2B), and eight active-low outputs (Y0-Y7), operating from a 5V supply over 0C to +70C. A decoder is a combinational logic circuit that converts binary information from n input lines to a maximum of 2^n unique output lines. The 3-to-8 decoder is a fundamental building block in digital systems, used to select one of eight devices based on a 3-bit address. As an MSI device, it sits between SSI gates and LSI circuits in the digital logic hierarchy, and decoders are essential in memory address decoding where they enable specific memory chips. Key features include a typical propagation delay of 20 ns, low LS-TTL power dissipation (about 32 mW typical), and active-low outputs that sink up to 8 mA. The three enable inputs allow cascading multiple decoders into larger arrays (e.g., 4-to-16) and gating the device with control signals. Schottky-clamped TTL technology delivers high speed with good noise immunity and full TTL compatibility with 74LS, 74ALS, and 74AS families. The device is offered in 16-pin PDIP (N), SOIC (D), and SOP (NS) packages; the SN74LS138N in 16-PDIP is popular for through-hole and breadboard prototyping. According to the TI datasheet, the SN74LS138 is characterized from 0C to 70C for commercial operation. Typical applications include memory chip-select decoding in microprocessor systems, peripheral address decoding, and demultiplexing a single data line to one of eight outputs. Design tip: enable the device by driving G1 high and G2A/G2B low; tie unused inputs to valid logic levels to avoid floating nodes, and exploit the active-low outputs to drive active-low chip-select pins directly.
SN74LS145 - BCD-to-Decimal Decoder/Driver | Texas Instruments
The SN74LS145 is a monolithic BCD-to-decimal decoder/driver with open-collector outputs, designed to accept BCD inputs and provide appropriate outputs to drive 10-digit incandescent displays. It consists of eight inverters and ten four-input NAND gates, with the inverters connected in pairs to make BCD input data available for decoding by the NAND gates. Full decoding of valid BCD input logic ensures that all outputs remain off for all invalid binary input conditions. The device is available in a 16-pin PDIP package with through-hole mounting, making it suitable for legacy and new designs requiring high-voltage, high-current sinking capability. A BCD-to-decimal decoder is a combinational logic circuit that converts a 4-bit binary-coded decimal (BCD) input into one of ten decimal outputs. The SN74LS145 is a specific implementation that includes open-collector output transistors capable of sinking up to 80 mA at 15 V, allowing direct drive of relays, incandescent lamps, and other high-current loads. This decoder/driver sits within the broader hierarchy of digital logic ICs, specifically within the 74LS family of low-power Schottky TTL devices, which are known for their speed and compatibility with TTL, DTL, and MOS logic levels. Key features of the SN74LS145 include high-breakdown output transistors rated at 15 V, each capable of sinking up to 80 mA of current. Each input is one Series 54/74 or Series 54LS/74LS standard load, ensuring easy interfacing with other TTL logic. The open-collector outputs allow wired-OR connections and level shifting, providing design flexibility. The device operates over a wide supply voltage range and is compatible with standard TTL power supplies (5 V). The SN74LS145 uses low-power Schottky (LS) technology, which reduces power dissipation compared to standard TTL while maintaining high speed. The open-collector outputs are implemented with high-voltage transistors, enabling the device to drive loads connected to higher voltage rails (up to 15 V) while the logic operates at 5 V. This architecture is particularly useful in industrial control and display applications where loads require higher voltages than the logic supply. Typical applications include driving incandescent displays, relay drivers, and other high-current loads in industrial control systems, test equipment, and consumer electronics. The device is also used in BCD-to-decimal decoding for seven-segment displays, though it requires external current-limiting resistors. Its ability to sink 80 mA per output makes it suitable for driving relays and lamps directly, reducing the need for additional driver transistors. When designing with the SN74LS145, ensure that the output load current does not exceed the 80 mA rating and that the output voltage does not exceed 15 V. Pull-up resistors may be required when driving logic inputs from the open-collector outputs. The device is not recommended for new designs due to its obsolescence, but it remains available for legacy system maintenance.
SN74LV123ARGYR - Dual Retriggerable Mono Multivibrator | TI
The Texas Instruments SN74LV123ARGYR is a dual retriggerable monostable multivibrator with Schmitt-trigger inputs, housed in a 16-pin VQFN (RGY) package measuring 4 mm x 3.5 mm. Each channel generates a fixed-duration output pulse in response to a falling-edge trigger, with the pulse width set by an external RC network. The device operates from a 2 V to 5.5 V VCC supply and supports typical propagation delay of 8.3 ns at 5 V with 12 mA output drive. A monostable multivibrator, also called a one-shot, is a sequential logic element with one stable state and one quasi-stable state. When triggered, the output transitions to the active state for a precisely defined interval then returns to the idle state, regardless of further trigger activity until the timing capacitor discharges. Retriggerable one-shots extend the output pulse if a new trigger arrives during the timing window, allowing pulse-width extension under software or hardware control. The 'LV123A family belongs to TI's LV-A logic series, optimized for low-voltage, low-power mixed-signal designs and ideally suited for battery-powered or interface-isolation tasks. Key features include Schmitt-trigger inputs that provide hysteresis for slow or noisy edges, complementary Q and /Q outputs per channel, an internal clear input to abort timing, and a typical VOLP/VOHV output bounce/undershoot below 1 V at 25 °C. The wide 2 V to 5.5 V supply range enables direct interface to 3.3 V and 5 V logic without level translators, and the wide operating temperature range of -40 °C to +125 °C supports industrial and automotive-grade designs. Internally the device uses CMOS logic with TTL-compatible input thresholds, achieving typical ICC quiescent current low enough for portable designs. Each channel shares a common VCC and GND but has independent timing components (R_ext and C_ext), enabling two simultaneous one-shot functions in a single IC footprint. Typical applications include debounce circuits for mechanical switches, watchdog timers for microcontrollers, missing-pulse detectors in safety and instrumentation, pulse-width modulation control loops, and waveform generation for digital logic testers. Designers also use the SN74LV123A in line-card timing, sequencing for multi-rail power systems, and as a fixed-delay element in digital communication front-ends. When designing with this device, select the timing resistor within the recommended range and use a low-leakage timing capacitor (NP0/C0G or film) to preserve pulse-width accuracy. Place timing components close to the R_ext/C_ext pins to minimize parasitic capacitance that would otherwise extend the pulse and degrade retrigger integrity. This page consolidates distributor pricing, verified drop-in same-package alternatives, and PCB layout guidance that goes beyond the manufacturer datasheet, helping procurement and design engineers select and qualify this part faster.
SN74LV1T125DBVR - 1-Bit Buffer/Level Shifter SOT-23-5 | TI
The Texas Instruments SN74LV1T125DBVR is a single-bit non-inverting buffer gate with 3-state output, supplied in a 5-pin SOT-23 (DBV) package. It operates across a wide VCC range of 1.8 V to 5.5 V with CMOS logic-level thresholds, supports input voltages up to 5.5 V regardless of VCC, and provides ±8 mA output drive at 5 V. The active-low output enable (OE) pin allows bus-style multiplexing by placing the output in high-impedance when asserted. A logic level shifter is an integrated circuit that translates signals between circuits operating at different voltage domains, such as a 3.3 V microcontroller interfacing with a 1.8 V sensor. The SN74LV1T125 belongs to TI's LV1T family of single-gate CMOS logic with reduced input thresholds, sitting within the broader hierarchy of buffer/driver -> logic gate -> standard logic IC -> semiconductor. Its wide-input tolerance eliminates the need for external pull-ups or level-shift circuits in mixed-voltage designs, simplifying PCB layout and reducing BOM cost. Key differentiating features include 5 V tolerant inputs that enable down-translation (e.g., 3.3 V input to 2.5 V output at VCC = 2.5 V), schmitt-trigger inputs for slow or noisy edges, low Ioff (partial-power-down support) for live-insertion scenarios, and ±8 mA balanced output drive. Typical propagation delay is around 3 to 5 ns at 5 V, suitable for moderate-speed control and data paths rather than high-speed SERDES interfaces. Architecturally, the device uses a standard CMOS buffer topology with a 3-state output stage. The OE-bar input gates the output enable line directly to the output PMOS/NMOS pair; when OE is high, both output transistors are off and the pin presents high impedance. The reduced input-threshold design lets a 1.8 V input reliably switch a 5 V VCC rail, which simplifies system design when interfacing legacy 5 V peripherals with modern low-voltage controllers. Typical applications include GPIO expansion on low-voltage MCUs, voltage translation between 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains, signal buffering on long PCB traces or cables, bus isolation between multiple processors, and reset or enable signal distribution. Designers favor it for cost- and space-constrained designs that need a true single-gate solution without paying for an unused quad buffer. When designing with this part, ensure that the OE pin is driven to a valid logic level (never left floating) because an undriven enable can cause shoot-through or undefined output states. Decouple VCC with a 100 nF ceramic capacitor placed within a few millimeters of the supply pin, and remember that partial-power-down (Ioff) only protects the output when VCC = 0 V; inputs above VCC will still forward-bias protection diodes if VCC is present. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers quickly evaluate the SN74LV1T125DBVR for new designs and second-source strategies.
SN74LV240A - Octal Inverting Buffer/Driver 3-State | TI
The SN74LV240A is an octal inverting buffer/line driver with 3-state outputs from Texas Instruments, designed for 2-V to 5.5-V VCC operation. It provides 8 mA of drive current at 3.3 V, making it ideal for bus interface applications where data retention or latching is required. The device features inverted outputs and is optimized for 3-state memory address drivers, clock drivers, and bus-oriented receivers/transmitters. An octal buffer/driver is a digital integrated circuit that provides eight independent buffering channels, each capable of driving a bus line with high current and low output impedance. The 3-state outputs allow the device to be disconnected from the bus (high-impedance state) when not active, enabling multiple devices to share the same bus without contention. This category sits within the logic IC family, specifically under buffers/drivers, which are essential for signal conditioning and bus isolation in digital systems. Key features include a wide operating voltage range of 2 V to 5.5 V, low power consumption typical of LV CMOS technology, and high drive capability of 8 mA at 3.3 V. The device supports mixed-mode voltage operation on all ports, allowing interfacing between different voltage domains. It also features latch-up performance exceeding 250 mA per JESD 17 and robust ESD protection, ensuring reliability in harsh environments. The SN74LV240A is fabricated using low-voltage CMOS technology, which provides a balance between speed and power dissipation. The 3-state outputs are controlled by an output-enable (OE) input, allowing the outputs to be placed in a high-impedance state for bus sharing. The inverting outputs provide signal inversion, which can simplify logic design in certain applications. The device is available in multiple package options, including SOIC, SSOP, and TSSOP, offering flexibility for various PCB layouts. Typical applications include memory address drivers, clock drivers, bus-oriented receivers/transmitters, and general-purpose digital interfacing. The low drive current and low noise characteristics make it suitable for low-noise applications where signal integrity is critical. The wide voltage range allows operation in both 3.3-V and 5-V systems, making it a versatile choice for mixed-voltage designs. When designing with the SN74LV240A, ensure proper decoupling capacitors are placed near the VCC and GND pins to minimize power supply noise. The OE pin should be tied to a defined logic level to avoid floating outputs, which can cause excessive power consumption or bus contention. Consider the propagation delay and output transition times when interfacing with high-speed buses to avoid timing violations.
SN74LV3T99-Q1 - 3ch Configurable Gate, 1.8-5.5V | TI
The Texas Instruments SN74LV3T99-Q1 is an automotive-grade, ultra-configurable multiple-function gate containing three independent configurable logic gates with 3-state outputs. Each gate has four inputs and implements the Boolean function Y = (A • /C + B • C) ⊕ D, with all inputs including Schmitt-triggers to eliminate erroneous data outputs caused by slow-edged or noisy input signals. The device operates from 1.8V to 5.5V and is offered in a 20-pin TSSOP (PW) package, with a 20-pin VSSOP (DGS) variant available. The -Q1 suffix denotes AEC-Q100 qualification for automotive applications. Configurable logic gates are digital ICs that let designers implement multiple logic functions in a single device, selected by pin strapping. They belong to the broader standard logic IC family - fundamental building blocks providing glue logic, level shifting, and signal conditioning in digital systems. The SN74LV3T99-Q1 sits within the LV (Low-Voltage) CMOS family and additionally functions as a logic-level shifter between voltage domains. Key features include three independent four-input gates with 3-state outputs for bus-oriented applications, Schmitt-trigger inputs providing hysteresis for superior noise immunity, and a wide 1.8V to 5.5V supply range enabling translation between 1.8V, 2.5V, 3.3V, and 5V logic families. AEC-Q100 qualification guarantees operation from -40C to +125C per automotive reliability requirements. Technically, the device uses CMOS technology for low static power consumption and high noise immunity. The configurable architecture replaces multiple discrete gates with one device, reducing board space and BOM count. The Boolean function supports MUX, AND, OR, NAND, NOR, XOR, XNOR, inverter, and buffer configurations - 16 output patterns determined by the 4-bit input when OE is low - while the output-enable (OE) input permits multiple devices to share a common bus through a high-impedance state. Typical applications include automotive body control modules, infotainment systems, and industrial automation, where the device handles signal conditioning, level shifting, and custom logic. The Schmitt-trigger inputs reliably interface sensors, switches, and microcontrollers in noisy environments. Test and measurement equipment also uses configurable logic for signal routing and control. Design tip: place 0.1uF decoupling capacitors close to the power pins, and carefully control the 3-state output-enable signals to avoid bus contention.
SN74LV595APWR - 8-Bit Shift Register w/ 3-State Outputs | TI
The Texas Instruments SN74LV595APWR is an 8-bit serial-in, parallel-out shift register with an integrated 8-bit D-type storage register and 3-state outputs, housed in a 16-pin TSSOP (PW) package. It supports an operating VCC range of 2 V to 5.5 V, typical tpd of 6 ns at 5 V, and source/sink output current capability of ±16 mA over the -40C to +125C automotive/industrial temperature window. An 8-bit shift register is a sequential logic block that converts a serial bit stream into a parallel byte, freeing microcontroller GPIO when driving multi-line peripherals such as LED matrices, 7-segment displays, or relay banks. The SN74LV595A extends the basic shift-register concept by adding a transparent latch and high-current 3-state outputs, allowing a single SCK/RCK pair to update one or more cascaded banks with deterministic timing and bus-isolation. Key features include separate shift-clock (SRCLK) and storage-clock (RCLK) inputs for glitch-free parallel updates, a direct overriding SRCLR\ that clears the shift register independent of the latch, cascadable serial data output (Q7') for daisy-chaining without external glue logic, and ESD protection that exceeds the JESD22-A114 Human-Body Model and the JESD22-A115 Machine Model thresholds. The wide 2 V to 5.5 V supply range makes it interchangeable between 3.3 V and 5 V logic domains without level shifters. The architecture combines a Serial-In Parallel-Out (SIPO) shift register, a parallel D-type storage register, and eight 3-state output buffers in one die. The two-stage pipeline lets the application software load a full byte at SCK speed and then commit all bits to the outputs in a single RCLK edge, eliminating visible intermediate states on the LEDs or relays during refresh cycles. Typical applications include LED matrix and 7-segment display drivers, multi-channel relay or solenoid control, I/O expansion for low-pin-count microcontrollers, and serial-to-parallel fan-out for CPLD/FPGA designs. The cascadable Q7' output simplifies designs that need more than 8 outputs without consuming additional GPIO pins. When designing with this part, place a 0.1 uF decoupling capacitor within 5 mm of the VCC pin and verify that the SCK/RCK traces are short to avoid ground-bounce triggering the SRCLR\ input. The 3-state OE\ pin must be driven HIGH for normal operation and can be tied to GND permanently if bus isolation is not required.
SN74LVC04APWR - Hex Inverter, 1.65-3.6V, 14-TSSOP | Texas Instruments
The Texas Instruments SN74LVC04APWR is a hex inverter containing six independent inverting gates that perform the Boolean function Y = Ā, operating from a 1.65 V to 3.6 V VCC supply in a 14-pin TSSOP (PW) package. Each gate is rated for 24 mA of output drive and accepts input voltages up to 5.5 V, allowing direct interface with 5 V TTL or CMOS logic while running from a low-voltage core supply. A hex inverter is a fundamental building block in digital logic, falling within the broader category of logic gates, specifically the inverter (NOT gate) family. Inverters are used for signal inversion, clock generation, signal conditioning, and as part of oscillator and Schmitt-trigger circuits. The LVC (Low-Voltage CMOS) sub-family is optimized for low-power, low-voltage operation while maintaining high-speed switching and TTL-compatible inputs, bridging 5 V legacy logic with modern 3.3 V or lower-voltage controllers. Key features include a maximum propagation delay (tpd) of 4.5 ns at 3.3 V VCC, typical output ground bounce (VOLP) below 0.8 V at VCC = 3.3 V, and ±24 mA output drive capability. The device is specified across three operating temperature ranges: -40 °C to +85 °C, -40 °C to +125 °C, and -55 °C to +125 °C. Inputs are 5.5 V tolerant, eliminating the need for external level shifters when translating from 5 V signals. The 14-TSSOP package offers a compact 5.00 mm × 4.40 mm footprint suitable for high-density PCB layouts. The SN74LVC04A architecture uses TI's Advanced CMOS (C²MOS) process technology, providing balanced propagation delay and low quiescent power consumption (typically 10 µA). The output structure includes balanced push-pull stages capable of sinking and sourcing ±24 mA, making the device suitable for driving multiple loads or moderate capacitive bus lines. Internal ESD protection exceeds 2 kV HBM per JEDEC standards. Typical applications include 3.3 V to 5 V logic translation in mixed-voltage designs, clock-signal inversion in microcontroller interfaces, general-purpose signal conditioning in industrial control, oscillator/clock-generation circuits using two inverters with an RC network, and bus-driving in point-to-point communication links. The wide input tolerance (up to 5.5 V) makes this part especially useful as a level shifter from legacy 5 V systems. When designing with the SN74LVC04A, place decoupling capacitors (0.1 µF ceramic) as close as possible to the VCC and GND pins to minimize switching noise. For high-speed or heavily-loaded outputs, add a series termination resistor near the driver pin to control ringing. Unused inputs should be tied to VCC or GND (not left floating) to prevent shoot-through current. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
SN74LVC07APWR - Hex Open-Drain Buffer 5.5V | TI | TSSOP-14
The Texas Instruments SN74LVC07APWR is a 6-channel non-inverting hex buffer/driver with open-drain outputs, operating from a 1.65V to 5.5V supply in a 14-pin TSSOP (PW) package. Its open-drain outputs accept voltages up to 5.5V, and the maximum propagation delay is 2.6 ns at 5V. A hex buffer is a logic IC containing six independent single-input, single-output buffer gates. Buffers strengthen a logic signal for fanout, level shifting, or drive purposes; within the voltage regulator of the signal chain hierarchy, they sit in the logic family of line drivers. The open-drain output variant omits the internal pull-up transistor, so each output can only sink current and must be pulled high by an external resistor, allowing wired-AND connections, bus sharing, and translation to a rail different from VCC. Key features of the SN74LVC07APWR include the wide 1.65V to 5.5V VCC range, inputs and outputs tolerant of 5.5V regardless of VCC, a maximum tpd of 2.6 ns at 5V, and low ground bounce (typical VOLP) and VOHV overshoot performance specified at 3.3V and 25C. Latch-up performance exceeds 250 mA per JESD 17, and the device is specified from -40C to +125C. Architecturally, the device uses TI's LVC (Low-Voltage CMOS) process, which balances speed with low static power consumption. Because outputs are open drain, multiple outputs can be tied together to share a common pull-up, implementing wired-OR/wired-AND logic without external gating. The 5.5V-tolerant inputs allow direct interfacing with 5V legacy logic even when VCC is at 3.3V or lower. Typical applications include I2C-style open-drain bus buffering, level translation between 5V and 3.3V logic domains, LED driving through the pull-down sink, interrupt line combining, and legacy 5V system interfaces. Design consideration: always include an external pull-up resistor on every open-drain output; the output is never actively driven high, and the pull-up value sets both the high-level rise time (with bus capacitance) and sink current. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in a single manufacturer datasheet.
SN74LVC07APWRG4 - Hex Open-Drain Buffer 1.65-5.5V | TI
The Texas Instruments SN74LVC07APWRG4 is a hex non-inverting buffer/driver with open-drain outputs, operating from a 1.65 V to 5.5 V single supply and packaged in a 14-pin TSSOP (PW) surface-mount package. Each of its six buffers accepts input voltages up to 5.5 V regardless of VCC, making the device fully tolerant of mixed-voltage logic interfaces. A buffer/driver is a logic IC that provides signal isolation and current reinforcement between a driving stage and a load. Within the logic family hierarchy, the SN74LVC07A belongs to the Low-Voltage CMOS (LVC) category of buffers, drivers, and receivers, which sit between pure combinational logic gates and full line transceivers. Open-drain outputs, the defining feature of this part, can only pull low and require an external pull-up resistor to define the high level, allowing level shifting and wired-AND configurations. Key features include six independent non-inverting elements with open-drain outputs rated to sink 24 mA at outputs, a wide 1.65 V to 5.5 V VCC range, 5.5 V maximum input tolerance from any supply, and operation across -40 C to +125 C. Maximum propagation delay is approximately 14 ns at 3.3 V. Typical low-level ground bounce (VOLP) is very small at VCC = 3.3 V, supporting clean switching in mixed-signal boards. The LVC family uses CMOS technology with input clamp structure for partial power-down protection using Ioff current, which prevents damaging back-feed when VCC is removed. This makes the part well suited for hot-insertion and multi-rail designs. Typical applications include I2C-style open-drain bus driving, LED indicators, level shifting between 3.3 V and 5 V domains, wired-OR logic, and driving relays or optocoupler inputs through external pull-ups. Design consideration: size the external pull-up resistor for the required sink current and rise time; with open-drain outputs the high-level threshold depends entirely on the pull-up rail, so set it to the voltage domain of the receiving logic. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SN74LVC157APWRE4 - Quad 2:1 Mux 16-TSSOP | Texas Instruments
The Texas Instruments SN74LVC157APWRE4 is a quadruple 2-line to 1-line data selector/multiplexer from the LVC (Low-Voltage CMOS) logic family, housed in a 16-pin TSSOP package and supplied on tape-and-reel. The device features four independent 2:1 multiplexers sharing a common select input, with each multiplexer presenting selected data in true (non-inverted) form at its output. Operating voltage spans 1.65 V to 3.6 V, making it directly compatible with 1.8 V, 2.5 V, and 3.3 V logic rails common in modern microcontrollers, ASICs, and FPGAs. A multiplexer (MUX) is a combinational logic device that routes one of several input signals to a single output line under control of a select input; in the broader taxonomy it sits beneath data selectors, encoders, and the general category of digital logic ICs within Integrated Circuits > Logic ICs. The 74LVC family extends classic 74-series HC logic to lower supply voltages with TTL-compatible input thresholds and CMOS-compatible low-power outputs, simplifying level shifting between legacy 5 V sections and modern low-voltage cores. Key specifications include four 2:1 mux channels, an active-LOW common strobe/EN input, a propagation delay typically under 5 ns at 3.3 V, and ±24 mA output drive at 3.3 V enabling direct connection to heavily loaded buses. Inputs tolerate 5.5 V even when VCC is as low as 1.65 V, allowing down-translation from 5 V sources. The TSSOP-16 package is pin-compatible with the 74HC157 and 74AHC157 legacy families, simplifying board reuse. Architecturally, the LVC157 uses standard CMOS pass-transistor selection with an output buffer; static power consumption is dominated by leakage (typical ICC < 10 uA), and partial-power-down is supported via Ioff to prevent back-drive on powered-down rails. This makes the part useful in mixed-voltage systems where segments may be unpowered. Typical applications include data routing in microcontroller-to-peripheral buses, address decoding in memory-mapped systems, signal steering in test equipment, and resource sharing on analog front ends where one ADC channel serves multiple sensors. Industrial temperature grade (-40 C to +85 C) and LVC noise immunity suit factory-floor environments. When designing with the SN74LVC157A, ensure the common strobe (pin 15) is tied low when normal muxing is required; an unused strobe input must not be left floating. For high-speed buses, place a 0.1 uF decoupling capacitor within 5 mm of the VCC pin to limit VCC bounce during simultaneous-output switching. This page consolidates verified distributor pricing, drop-in alternatives in the same TSSOP-16 footprint, and practical design guidance drawn from manufacturer application references, giving engineers a one-stop reference beyond the manufacturer datasheet PDF.
SN74LVC1G07DBVR - Open-Drain Buffer 1.65-5.5V SOT-23-5 | TI
The Texas Instruments SN74LVC1G07DBVR is a single non-inverting buffer/driver with an open-drain output, operating from a 1.65 V to 5.5 V supply, sinking up to 32 mA at 3.3 V, and housed in a 5-pin SOT-23-5 (DBV) surface-mount package. An open-drain buffer is a logic element whose output transistor has no internal pull-up structure; the output can only actively pull LOW and relies on an external pull-up resistor to another voltage rail to go HIGH. In the voltage-regulation hierarchy of digital logic families, this places the SN74LVC1G07 among low-voltage CMOS (LVC) interface logic, one step above raw gates and one step below full bus transceivers. Open-drain outputs are the foundation of shared buses such as I2C, interrupt lines, and wired-OR / wired-AND logic networks. Key features include support for 5 V VCC operation with input and open-drain output tolerating up to 5.5 V, a maximum propagation delay of 3.3 ns at 3.3 V, ultra-low power consumption with 10 uA maximum ICC, and ±24 mA output drive capability at 3.3 V. The Ioff feature supports partial-power-down applications by preventing damaging backfeed currents when the device is unpowered. Architecturally, the device combines a single CMOS input stage with a discrete NMOS pull-down output stage. Because the output floats high only through the external pull-up, multiple SN74LVC1G07 outputs can be tied together to implement active-low wired-OR or active-high wired-AND functions without contention. The wide 1.65 V to 5.5 V operating range allows true level-shifting: a 1.8 V logic signal can control a 5 V rail through the open-drain output. Typical applications include I2C and SMBus bus buffering, open-drain interrupt or enable line fan-out, level shifting between mixed-voltage subsystems, LED and relay driver front-ends, and microcontroller GPIO expansion where multiple boards share a common pull-up rail. Design consideration: the external pull-up resistor value is a trade-off - lower values improve edge speed and noise immunity but increase sink current; verify the resistor keeps the sink current below the 32 mA maximum rating. This page synthesizes distributor pricing, drop-in cross-brand alternatives, and practical design notes not found in the manufacturer datasheet.
SN74LVC1G07DCKR - 1.65V-5.5V Open-Drain Buffer SC-70-5 | Texas Instruments
The Texas Instruments SN74LVC1G07DCKR is a single non-inverting buffer/driver with an open-drain output, operating from a 1.65 V to 5.5 V supply and packaged in a 5-pin SC-70 (DCK) surface-mount package. The open-drain output sinks up to 32 mA maximum, and the input and output accept voltages up to 5.5 V regardless of VCC. A buffer/driver is a logic component in the broader family of single-gate CMOS logic devices within the digital logic IC hierarchy. Buffers provide signal isolation, fan-out enhancement, and level-tolerant interface between circuit blocks, and open-drain versions additionally permit wired-OR / wired-AND bus connections and level shifting to any pull-up rail voltage. Key differentiating features include 5.5 V tolerant inputs and outputs that support partial-power-down designs via the Ioff circuitry, ultra-low power consumption with 10 uA maximum ICC, and compatibility across the full 1.65 V to 5.5 V VCC range. The device supports 5 V VCC operation while remaining usable in 1.8 V, 2.5 V, and 3.3 V systems, making it a universal interface glue-logic element. The SC-70-5 body measures approximately 2.0 mm x 1.25 mm, saving significant board area versus SOT-23 solutions. Architecturally, the SN74LVC1G07 uses TI's LVC CMOS process technology from the controlled-baseline flow - one assembly site, one test site, one fabrication site - with extended temperature performance to 125 C. The single open-drain NMOS pull-down output stage intentionally omits any internal pull-up, so the high level is defined by the external pull-up resistor and its rail. When multiple outputs are tied together, the resulting node implements active-low wired-OR or active-high wired-AND logic without additional gates. Typical applications include I2C and SMBus style open-drain bus buffering, level translation between mixed-voltage domains, LED and relay drive via the 32 mA sink capability, microcontroller GPIO buffering, and wired-logic signal merging in industrial and consumer electronics. Design-wise, size the external pull-up resistor to trade off bus rise time against sink current; at 3.3 V a 4.7 kOhm pull-up keeps sink current near 0.7 mA while providing practical rise times on short traces. Unused inputs must never be left floating. This page adds value beyond the TI datasheet by combining verified distributor pricing, drop-in alternative cross-references, FAQ structured for AI search, and practical design notes in one place.
SN74LVC1G08DBVR - 2-Input AND Gate 1.65-5.5V | TI
The Texas Instruments SN74LVC1G08DBVR is a single 2-input positive-AND gate operating from a 1.65 V to 5.5 V supply, packaged in the compact SOT-23-5 (DBV) surface-mount outline. It delivers the Boolean function Y = A AND B in positive logic with up to 32 mA output drive at 3.3 V. A logic gate is a fundamental building block of digital electronics that performs a Boolean operation on binary inputs to produce a single binary output. An AND gate outputs HIGH only when all inputs are HIGH. Single-gate logic (little logic) places one gate in a small package, letting designers add glue logic to dense boards without dedicating a full multi-gate IC. The SN74LVC1G08 belongs to the LVC (Low-Voltage CMOS) logic family within the broader 74-series logic hierarchy. Key features include 5-V tolerant inputs regardless of VCC, a typical propagation delay (tpd) of 3.3 ns at 3.3 V, and low power consumption with 10 uA maximum ICC. The Ioff feature supports partial-power-down operation, blocking backdrive current when VCC is removed - essential for multi-rail systems. Technically, the device uses CMOS technology for high noise immunity and low static power dissipation. TI provides a controlled baseline with one assembly/test site and one fabrication site for consistent quality. The SOT-23-5 footprint is universally supported by PCB tools, and the family also offers the ultra-small 0.64 mm2 DPW package with 0.5 mm pitch for space-critical designs. Typical applications include signal gating, enable/disable logic, clock gating, and 3.3 V to 5 V interfacing in portable electronics, industrial control, and communication equipment. The wide supply range and robust 32 mA drive make it ideal for mixed-voltage glue logic. Design tip: decouple VCC with a 0.1 uF ceramic capacitor close to the device and tie unused inputs to a defined logic level - floating CMOS inputs can oscillate and draw excess current. Pricing references are as of 2026-08-30.
SN74LVC1G125DBVR - 1.65-5.5V 3-State Buffer Gate | TI | SOT-23-5
The Texas Instruments SN74LVC1G125DBVR is a single non-inverting bus buffer gate with 3-state output, operating from a 1.65-V to 5.5-V VCC supply in a compact SOT-23-5 (DBV) package. It drives +/-24 mA at 3.3 V with a maximum quiescent current (ICC) of 10 uA, and offers a propagation delay (tpd) specified at 3.3 V while accepting input voltages up to 5.5 V regardless of VCC. The active-low output-enable (OE) pin places the output in high impedance state when driven high, enabling safe bus sharing across multiple drivers. What is a bus buffer gate? A bus buffer gate is a digital logic primitive that isolates or buffers a single signal line, providing a high-impedance output when disabled so several devices can share a common bus without contention. The SN74LVC1G125 belongs to TI's LVC (Low-Voltage CMOS) logic family, which sits inside the broader CMOS logic IC category and balances low static power with fast switching at supply voltages from 1.8 V to 5 V. Key features include an Ioff circuitry that prevents back-feeding current through the output when the part is partially powered down (a must for hot-swap and multi-rail designs), plus +/-24-mA balanced output drive at 3.3 V that lets one buffer directly drive multiple CMOS or TTL loads. Maximum ICC is only 10 uA, suiting battery-powered designs. The CMOS architecture delivers low static power and high noise margin; the 1.65-V to 5.5-V range supports level buffering between 1.8-V and 3.3-V domains, 3.3-V to 5-V interfaces, and pure 5-V rails. Per the TI datasheet, the device can drive capacitive loads up to 50 pF while meeting all datasheet specifications; TI recommends a series resistor between the output and any load exceeding 50 pF to limit surge current. Typical applications include logic level shifting between mixed-voltage rails, bus isolation in multi-board embedded systems, signal buffering for industrial control and PLC I/O, consumer electronics, and communication interfaces such as I2C, SPI, and UART lines. The SOT-23-5 footprint is also friendly to handheld and wearable designs where board area is at a premium. When designing, ensure the OE pin is tied to a defined logic level - never floating - to avoid unwanted high-Z or contention. For loads above 50 pF, add a small series resistor to limit inrush per datasheet guidance. The part operates from -40C to +125C and starts around $0.41 at single-unit quantities (as of 2026-10-10). This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SN74LVC1G125QDBVRQ1 - AEC-Q100 Buffer, 3-State, SOT-23-5 | TI
The Texas Instruments SN74LVC1G125QDBVRQ1 is an automotive-catalog (Q1) single non-inverting bus buffer gate with a 3-state output, operating from a 1.65V to 5.5V supply in a 5-pin SOT-23 (DBV) package. The output is disabled (high-impedance) when the active-low output-enable (OE) pin is driven HIGH. A single-bus buffer gate is a logic device in the voltage-level and drive-strength hierarchy of digital ICs: buffer gate -> line driver -> bus-interface logic. Its role is to restore signal edges, increase fan-out, and isolate bus segments without inverting logic polarity. Key features include 5.5V-tolerant inputs for mixed-voltage environments, high output drive from advanced CMOS technology, and robust ESD protection rated at 2000V HBM, 200V MM, and 1000V CDM per the datasheet. The Q1 suffix denotes AEC-Q100 qualification and customer-specific configuration control, making the device suitable for automotive body, cluster, and infotainment modules. Fabricated on TI's advanced CMOS LVC process, the buffer achieves high speed with low power consumption and balanced drive in both push-pull directions. The NanoStar/NanoFree small-footprint SOT-23-5 package supports dense PCB layouts while maintaining 5V VCC operation capability. Typical applications include automotive CAN/LIN module I/O buffering, level-compatible bus isolation at 3.3V and 5V, MCU GPIO line driving, and sensor signal gating in 12V automotive electronic control units. Design tip: tie the OE pin to GND for a permanently enabled buffer; never leave OE floating, as the active-low enable polarity differs from the SN74LVC1G126 variant.
SN74LVC1G14DBVR - Schmitt Inverter 1.65-5.5V SOT-23-5 | TI
The Texas Instruments SN74LVC1G14DBVR is a single Schmitt-trigger inverter operating from a 1.65 V to 5.5 V supply, performing the Boolean function Y = NOT A. Housed in a 5-pin SOT-23 (DBV) NanoStar package, it delivers clean output transitions even with slow or noisy input signals, with +/-32 mA output drive at 3.3 V. A Schmitt-trigger inverter is a logic gate that uses positive feedback to create hysteresis between the positive-going threshold (VT+) and the negative-going threshold (VT-). This hysteresis (delta VT) prevents output chatter when the input hovers near the switching point, making the device tolerant of slow edges and noisy signals. Within the digital logic hierarchy, it is a fundamental inverter/combinational-logic building block used for buffering, waveform shaping, and signal conditioning. Key features include a wide 1.65 V to 5.5 V supply range compatible with 1.8 V, 2.5 V, 3.3 V, and 5 V logic families, high output drive of +/-32 mA at 3.3 V, and low typical quiescent current of about 10 uA. Partial power-down (Ioff) protection keeps outputs high-impedance when VCC is off, enabling safe mixed-voltage and hot-insertion designs. ESD protection is rated 2 kV HBM per the TI datasheet. Fabricated in TI's LVC CMOS technology, the device achieves propagation delays as low as 3.7 ns at 3.3 V with fully specified Schmitt thresholds across the supply range. It operates from -40 C to +125 C, suiting industrial and harsh-environment systems. NanoStar packaging keeps the footprint minimal for high-density boards. Typical applications include debouncing mechanical switches, conditioning slow or noisy sensor signals, building relaxation oscillators, and level-tolerant glue logic between voltage domains. The wide supply range and strong drive make it a versatile single-gate choice. Design tip: decouple VCC with a 0.1 uF ceramic capacitor placed close to the pin, and keep input traces short in high-speed sections to limit parasitic pickup. Prices as of 2026-08-30.