Logik-ICs
Produkte (260)
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.
SN74LVC1G17DBVR - Schmitt-Trigger Buffer 5.5V | TI
The Texas Instruments SN74LVC1G17DBVR is a single Schmitt-trigger buffer operating from 1.65 V to 5.5 V, providing one non-inverting buffer (Boolean function Y = A) with push-pull output in a 5-pin SOT-23-5 (DBV) surface-mount package. A Schmitt-trigger buffer is a logic device that uses positive feedback to create hysteresis, giving it two distinct switching thresholds for rising and falling edges. Within the logic IC hierarchy, it belongs to the buffer/line-driver family of standard logic, used to isolate, drive, and condition digital signals. Hysteresis makes it ideal for cleaning up noisy signals, squaring off slow edges, and converting slowly changing analog inputs into crisp digital logic levels. Key features include the wide 1.65 V to 5.5 V supply range for compatibility with 3.3 V and 5 V systems, high CMOS output drive of up to 32 mA at 3.3 V, and low static power dissipation. The device is fully specified for partial-power-down applications using Ioff, which prevents damaging backflow current when VCC is removed. Per TI datasheet, the same die is also available in the ultra-small 0.64 mm2 DPW package with 0.5 mm pitch and in SC70 options. The SN74LVC1G17 is fabricated in CMOS technology, combining high-speed operation with low power. Schmitt-trigger inputs provide typical hysteresis of approximately 0.4 V at 3.3 V, ensuring clean switching with slow or noisy inputs, while the push-pull output directly drives LEDs, relay drivers, or downstream logic inputs without external pull resistors. Typical applications include sensor signal conditioning, switch debouncing, level shifting between logic families, oscillator circuits, and clock buffering in industrial and consumer designs spanning both 3.3 V and 5 V rails. Design tip: keep input signals within the supply range to avoid latch-up, and place the device close to the signal source to minimize trace inductance in high-speed paths. Pricing and stock data are current as of 2026-08-30.
SN74LVC1G17QDBVRQ1 - Auto Schmitt Buffer SOT-23-5 | Texas Instruments
The Texas Instruments SN74LVC1G17QDBVRQ1 is an automotive-qualified (AEC-Q100) single Schmitt-trigger buffer designed for 1.65V to 5.5V VCC operation in a 5-pin SOT-23 (DBV) package. It performs the Boolean function Y = A and delivers high output drive while maintaining low static power dissipation across the full supply range. A Schmitt-trigger buffer is a logic device in the buffer/driver family of the standard CMOS logic IC hierarchy. Unlike a plain buffer, its input incorporates hysteresis, meaning the switching thresholds for rising and falling edges differ. This makes the device tolerant of slow or noisy input edges that would cause multiple transitions (oscillation) in conventional CMOS inputs, conditioning signals from RC timing circuits, sensor outputs, or long cables. Key features include the wide 1.65V to 5.5V operating supply range enabling use in mixed 1.8V/3.3V/5V systems, Schmitt-action inputs for noisy or slow-rising signals, push-pull output with high drive capability, and operation across the extended -40C to +125C automotive temperature range. The device belongs to TI's controlled-baseline LVC family with one assembly, one test site, and one fabrication site for consistent quality. The CMOS LVC architecture achieves low static power dissipation with fast propagation delay (typical values around a few nanoseconds depending on VCC; the digchip summary lists 10.7 ns at low supply). The DBV SOT-23-5 package is a compact surface-mount option for space-constrained designs. Typical applications include automotive ECU level translation and signal buffering, switch debouncing with hysteresis, RC oscillator waveform squaring, sensor signal conditioning, and general-purpose buffering in body electronics, infotainment, and industrial modules. Design tip: use the Schmitt hysteresis deliberately - pairing this buffer with a slow RC-filtered input (for example, from a comparator-less analog threshold) yields a clean digital edge; keep VCC decoupling (100 nF ceramic) close to the pin for signal integrity.
SN74LVC1T45DCKR - 420Mbps Single-Bit Dual-Supply Level Shifter | TI
The Texas Instruments SN74LVC1T45DCKR is a single-bit, dual-supply bus transceiver with configurable voltage-level translation and 3-state outputs, delivering up to 420 Mbps of bidirectional data throughput in a 6-pin SC-70 (DCK) package. The device supports two independent supply rails, VCCA and VCCB, each operable from 1.65 V to 5.5 V, with one channel and one direction-control (DIR) pin. According to TI's product page, the part is qualified for -40C to +85C operation. A voltage-level translator (also called a level shifter) is a logic device that enables clean communication between ICs operating at different supply voltages. In modern mixed-voltage systems, a 1.8 V microcontroller may need to interface with a 3.3 V sensor or a 5 V peripheral; level translators preserve signal integrity and protect low-voltage inputs from overvoltage damage. The SN74LVC1T45 belongs to the LVC (Low-Voltage CMOS) logic family, known for high speed, low power, and broad supply compatibility, making it a fundamental building block of digital interface design. Key features include ESD protection exceeding JESD 22 (2000-V Human-Body Model per A114-A), 5.5-V tolerant inputs, a typical propagation delay of 3.3 ns at 3.3 V, a low maximum ICC of 10 uA, and +/-24-mA output drive at 3.3 V. The Ioff feature disables outputs during power-down, preventing damaging backflow current in partial-power scenarios. The dual-supply design ensures output levels match each voltage domain, providing correct logic levels on both sides of the translation boundary. Architecturally, the device uses CMOS logic with a DIR pin controlling data direction: DIR high routes A to B, DIR low routes B to A. The OE pin tri-states outputs for shared-bus operation. VCC isolation is designed so that if either VCC input is at GND, both ports enter the high-impedance state - critical for hot-swap and partial-power scenarios. Typical applications include SPI and UART level shifting between microcontrollers and sensors, memory card interfaces, GPIO translation in mixed-voltage embedded systems, and automotive communication buses. Its 420-Mbps data rate suits high-speed serial links such as I2C, SPI, and UART bridges. The SC-70 package and 10-uA supply current fit portable battery-powered designs. Design tip: decouple both VCCA and VCCB with 0.1-uF ceramic capacitors close to the pins, and drive DIR and OE to valid logic levels during power-up to avoid bus contention. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
SN74LVC1T45QDCKRQ1 - Auto 1-Bit Dual-Supply Translator | TI
The Texas Instruments SN74LVC1T45QDCKRQ1 is an automotive-qualified, single-bit, noninverting dual-supply bus transceiver with configurable voltage translation, providing bidirectional level shifting between any 1.65V to 5.5V logic domains at data rates up to 420 Mbps in a 6-pin SC-70 (DCK) package. The device tracks VCCA on the A-port and VCCB on the B-port, each accepting any supply from 1.65V to 5.5V, enabling universal translation among 1.8V, 2.5V, 3.3V, and 5V logic nodes. A voltage-level translator (also called a dual-supply bus transceiver or level shifter) is a logic IC that bridges domains operating at different supply voltages. In the broader signal-chain taxonomy, translators sit between mixed-voltage blocks such as MCUs, sensors, and transceivers, ensuring logic-level compatibility without overstressing lower-voltage silicon. They are distinct from logic gates in that they specifically isolate two supply rails while passing a digital signal between them with minimum delay. Key features include a maximum propagation delay of 3.3 ns at 3.3V VCC, +/-24 mA output drive strength at 3.3V, low 10 uA maximum quiescent supply current, and Ioff partial-power-down support that prevents back-powering when either rail is removed. Inputs are 5.5V-tolerant regardless of VCC, and 3-state outputs place both ports in Hi-Z when a supply rail is absent. A single DIR pin selects data-flow direction per the datasheet truth table. The device is built on TI LVC CMOS logic technology and is AEC-Q100 qualified for automotive applications, supporting an operating temperature range of -40C to +125C. It combines the speed of the 74LVC family with automotive-grade reliability, PPAP documentation, and extended-temperature screening required for body, chassis, and infotainment modules. Typical applications include translating between 3.3V microcontrollers and 1.8V image sensors, 5V to 3.3V GPIO interfacing in body control modules, level shifting on infotainment I2C/SPI buses, and bridging UART lines between automotive domain controllers and external peripherals. The single-bit density suits one-wire-per-direction protocols such as single-wire CAN signaling or isolated UART paths. Design consideration: keep VCCA less than or equal to VCCB where possible, ensure both supply pins are powered for proper translation, and place decoupling capacitors within 2 mm of each VCC pin to minimize switching transient coupling into translation edges. This page synthesizes distributor pricing, pin-compatible drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-10-10.
SN74LVC2244APWR - 8-Bit Buffer/Driver 26Ω 3-State | Texas Instruments
The Texas Instruments SN74LVC2244APWR is an octal non-inverting buffer/line driver with 3-state outputs, organized as two 4-bit elements, fabricated in TI's LVC (Low-Voltage CMOS) process and offered in a 20-pin TSSOP (PW) package. Per the TI datasheet, it operates from a 1.65 V to 3.6 V VCC supply, accepts input voltages up to 5.5 V (5 V tolerant inputs on a 3.3 V rail), and features a maximum propagation delay (tpd) of 5.5 ns at 3.3 V. Each output incorporates an equivalent 26 Ω series resistor that suppresses line reflections, eliminating the need for external termination on point-to-point or lightly-loaded traces. What is an octal buffer with 3-state outputs? An octal buffer is a non-inverting digital driver that replicates a logic signal on its inputs to its outputs while providing increased drive strength; the 3-state feature lets each output be placed in a high-impedance state under the control of an output-enable pin so that multiple devices can share a bus without contention. Buffers belong to the larger family of Logic ICs > Buffers, Drivers, Receivers and serve as building blocks alongside latches, transceivers, and registered drivers in modern digital systems. Key differentiating features of the SN74LVC2244A include bus-hold free I/O, partial-power-down support through Ioff circuitry that prevents back-drive current when VCC is removed, and ESD protection exceeding 2000 V (HBM) per the JESD22-A114 standard. The device is specified across the -40 °C to +85 °C industrial temperature range and is rated for a typical VOLP (output ground bounce) of less than 0.8 V at VCC = 3.3 V, making it well suited for mixed-voltage systems that interface 5 V legacy peripherals with 3.3 V controllers. Architecturally, the SN74LVC2244A splits its eight channels into two banks of four, each bank gated by its own active-low output-enable pin (1OE and 2OE), so two independent sub-systems can be controlled from one IC. The 26 Ω on-chip damping, combined with typical VOLV/VOHV undershoot figures well below 1 V, allows the device to be inserted directly onto unterminated PCB traces of moderate length without external resistor packs. The PW (TSSOP-20) footprint is one of the most common surface-mount logic footprints and pairs naturally with TI's broad LVC, LVCH, and LVC1G families for multi-rail designs. Typical applications include memory and address bus buffering on motherboards and DSP systems, isolation between hot-swap controllers and backplanes, level translation between 3.3 V ASICs and 5 V peripherals, and I/O expansion for microcontrollers that lack sufficient drive strength on shared buses. Designers of portable instruments and industrial PLCs particularly value the wide 1.65-3.6 V supply range, which simplifies battery and 3.3 V/2.5 V/1.8 V mixed-voltage designs. When laying out the SN74LVC2244APWR, place bypass capacitors (typically 0.1 µF ceramic) within 2-3 mm of the VCC and GND pins, and keep the two 4-bit banks' enable traces well separated to avoid coupling. Verify that the driven trace length does not exceed the 5.5 ns propagation budget - for traces shorter than ~30 cm on FR-4 the 26 Ω internal resistance is sufficient to suppress reflections. This page synthesizes distributor pricing across multiple regions, datasheet-anchored specifications, drop-in TSSOP-20 alternatives, and practical design notes that are not collected in a single location on the manufacturer product page, giving procurement and design engineers a one-stop reference for the SN74LVC2244APWR.
SN74LVC240A - Octal Inverting Buffer 3-State LVC | TI
The Texas Instruments SN74LVC240A is an octal inverting buffer/line driver with 3-state outputs, organized as two independently enabled 4-bit banks operating from a 1.65 V to 3.6 V supply. It is designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. An octal buffer/line driver is a digital logic IC in the 74xx logic family that provides signal buffering, inversion, and bus isolation. Within the logic-IC hierarchy, the SN74LVC240A belongs to the Low-Voltage CMOS (LVC) technology family, a subfamily of 74-series logic. Its 3-state outputs allow multiple devices to share a common bus without contention, a fundamental requirement in bus-oriented digital systems such as memory subsystems and backplanes. Key features include 5.5-V tolerant inputs enabling mixed-mode signal operation on all ports (5-V input/output voltage support), a typical propagation delay (tpd) of 3.3 ns at VCC = 3.3 V, and low typical VOLP (output ground bounce) and VOHV (output VOH undershoot) figures for superior signal integrity. According to the TI datasheet (SCAS293), the device can drive a load with total capacitance less than or equal to 50 pF while still meeting all datasheet specifications. The device is built on advanced CMOS technology, combining low static power consumption with high noise immunity and strong output drive. The dual-bank structure with separate active-low output-enable (OE) inputs supports half-duplex transceiver topologies and word-wide bus gating. When OE is low, data passes from the A inputs to the inverted Y outputs; when OE is high, outputs enter the high-impedance state. Typical applications include 3-state memory address and clock driving, 3.3-V to 5-V mixed-voltage bus interfacing, industrial control I/O buffering, and telecom line-card logic. Packages include SOIC-20 (DW), TSSOP-20 (PW), and SSOP-20 (DB). Design tip: keep total capacitive load at or below 50 pF for guaranteed timing, add 0.1 uF decoupling per supply pin, and tie unused inputs to VCC or GND to prevent floating-node oscillation.
SN74LVC244APWR - Octal Buffer 3-State 24mA | TI | Bus Driver
The Texas Instruments SN74LVC244APWR is an octal buffer/line driver with 3-state outputs, designed for 1.65-V to 3.6-V VCC operation in a 20-pin TSSOP (PW) package rated from -40C to +125C. Organized as two 4-bit non-inverting buffers with separate active-low output-enable (OE) inputs, it provides asynchronous communication between data buses. A buffer/line driver is a digital logic IC that provides signal amplification, isolation, and fan-out between system blocks. Within the logic IC hierarchy, it belongs to the standard logic family alongside transceivers, latches, and flip-flops. The 3-state output feature lets the device disconnect from a shared bus, enabling multiple drivers to share a common data line without bus contention. Key features include a wide 1.65-V to 3.6-V supply range covering both 1.8-V and 3.3-V logic domains, inputs that tolerate voltages up to 5.5 V for mixed-voltage systems, and +/-24 mA output drive at 3.3 V. The Ioff partial-power-down circuitry prevents damaging backflow current when VCC is removed, and latch-up performance exceeds 100 mA per JESD 78 Class II. ESD protection exceeds 2000-V HBM (JESD 22 A114-A) and 1000-V CDM. Fabricated in advanced CMOS, the SN74LVC244A achieves a typical propagation delay of 4.3 ns at 3.3 V while maintaining low static power consumption, balancing speed and efficiency for bus-interface timing budgets. Typical applications include memory address buffering, clock distribution, and general-purpose I/O expansion for microcontrollers, FPGAs, and DSPs, plus level shifting between 1.8-V and 3.3-V domains in industrial control and telecommunications equipment. Design tip: decouple VCC with a 0.1-uF ceramic capacitor placed close to the pin, tie unused OE pins to a defined logic level, and keep traces short for high-speed signals.
SN74LVC244QAPWRQ1 - Auto 8-Bit 3-State Buffer | TI
The Texas Instruments SN74LVC244QAPWRQ1 is an automotive-qualified (AEC-Q100) octal buffer/driver with 3-state outputs, organized as two independent 4-bit sections with separate output-enable (OE) inputs. It operates from a 1.65 V to 3.6 V supply in a 20-pin TSSOP (PW) surface-mount package with tape-and-reel packing. An octal buffer is a digital logic device that strengthens (buffers) eight signal lines at once, providing higher output drive and isolation between a controller and a load. Within the logic hierarchy, it belongs to the buffer/driver family of CMOS logic ICs, positioned above single-gate buffers and below bus transceivers, which add bidirectional capability. Key features include fully 3-state outputs for shared-bus connections, individual OE control for each 4-bit half, LVC-family CMOS technology supporting partial-power-down operation with Ioff protection, and an operating temperature range of -40C to +125C suitable for automotive and industrial environments. According to the TI SN74LVC244A-Q1 datasheet (Rev. D), the device performs the non-inverting buffer function Y = A for each channel. The LVC process provides low quiescent current, TTL-compatible input thresholds at 3.3 V operation, and balanced output drive for typical 24 mA-class loads at 3.3 V, making it suitable for address/data bus driving, clock distribution, and level-stable signal buffering between a microcontroller and peripherals. Typical applications include automotive body control modules, gateways and infotainment buses, industrial PLC I/O isolation, and memory or peripheral chip-select driving in embedded systems. Design tip: tie unused OE inputs to VCC through a pull-up resistor so outputs stay in the high-impedance state during power-up, and decouple the VCC pin with a 0.1 uF ceramic capacitor placed within 2 mm of the pin to suppress transient currents during simultaneous switching.
SN74LVC2G125DCUR - Dual Bus Buffer 3-State Output | Texas Instruments
The Texas Instruments SN74LVC2G125DCUR is a dual non-inverting bus buffer gate with 3-state outputs, integrating two independent 1-bit buffer/driver channels in an 8-pin VSSOP (DCU) package. Each channel operates across a wide 1.65 V to 5.5 V VCC supply range, supports ±24 mA output drive at 3.3 V, and features an active-low output-enable (OE) input that places the outputs in a high-impedance state when driven high. A bus buffer (also called a line driver or 3-state buffer) is a non-inverting signal-routing building block used to isolate a source from a shared bus, increase fan-out, or provide bidirectional control over which device drives a line. Buffers belong to the broader logic IC family (combinational logic), which sits under the digital semiconductor hierarchy. The SN74LVC2G125 implements LVC (Low-Voltage CMOS) technology, which is a sub-family of CMOS logic optimized for low static power and 5 V-tolerant I/O on mixed-voltage rails. Key features include a typical propagation delay (tpd) of 3.7 ns at 3.3 V, ±24 mA output drive capability (IoL/IoH) at 3.3 V, support of partial-power-down applications through Ioff circuitry that disables outputs to prevent backflow current, and an operating temperature range of -40 °C to +125 °C. The LVC2G family provides 5.5 V tolerance on the input pins even when VCC is lower, enabling level translation between 1.8 V, 3.3 V, and 5 V domains. From an architectural perspective, the device uses TI's EPIC (Enhanced-Performance Implanted CMOS) submicron process, giving it ESD protection exceeding 2000 V per MIL-STD-883 Method 3015 and 200 V using the machine model (C = 200 pF, R = 0 Ω). Each buffer consists of an input stage, an output-enable gate, and a 3-state CMOS output stage with controlled rise/fall symmetry. Typical applications include I2C/SPI bus isolation, point-to-point signal buffering on memory and module interfaces, GPIO expansion in microcontroller boards, level shifting between 1.8 V / 3.3 V / 5 V logic domains, and fan-out extension for low-drive clock or reset lines. The compact VSSOP-8 footprint makes it suitable for handheld and space-constrained designs. When designing with this device, ensure the OE pin is driven to a defined logic level (tie to GND through a pull-down if unused) to prevent the output from floating into a high-impedance state unintentionally. Decoupling VCC with a 0.1 µF ceramic capacitor placed within 5 mm of the supply pin is recommended for clean switching at high frequencies. This page synthesizes real-time distributor pricing, validated drop-in alternatives, and practical PCB design guidance for the SN74LVC2G125DCUR that goes beyond the manufacturer datasheet alone, helping engineers evaluate sourcing and design trade-offs at a glance.
SN74LVC2G132YZPR - Dual 2-Input NAND Gate, Schmitt-Trigger, 8-DSBGA | Texas Instruments
The Texas Instruments SN74LVC2G132YZPR is a dual 2-input NAND gate IC with Schmitt-trigger inputs, housed in an 8-pin DSBGA (NanoFree) wafer-level chip-scale package. The device operates from a 1.65 V to 5.5 V VCC supply, supports 5 V tolerant inputs up to 5.5 V, and provides two independent Schmitt-trigger NAND gates with ±24 mA output drive at 3.3 V. The Schmitt-trigger architecture gives different positive-going (VT+) and negative-going (VT-) input thresholds, providing superior noise immunity in harsh or slowly-changing input environments. A Schmitt-trigger NAND gate is a digital logic device that combines a NAND Boolean function with hysteresis at its input stage. NAND gates are universal logic primitives used to construct AND, OR, NOT, and any other Boolean function. Adding Schmitt-trigger hysteresis prevents oscillation when the input signal has slow edges or noise, which is critical in industrial, automotive, and battery-powered applications where supply rails can be noisy and rise/fall times are uncontrolled. Key features include 3.3 V typical low-power consumption of 10 µA ICC max, ±24 mA output drive at 3.3 V for driving heavily loaded buses, support for 5 V VCC operation, and an output ground bounce (VOLP) that meets LVC-family switching specifications. The DSBGA package is part of TI's NanoFree family, which eliminates lead-frame mass and provides a footprint as small as the silicon die itself, ideal for space-constrained handheld and wearable designs. The SN74LVC2G132 uses a standard CMOS implementation with CMOS-compatible inputs. The LVC logic family is designed for low-voltage, low-power operation while still delivering high drive strength. The device performs the Boolean function Y = A · B (active-low) in positive logic and is fully specified for partial-power-down applications with Ioff circuitry that prevents backflow current when the device is powered down but I/O lines remain active. Typical applications include portable consumer electronics, mobile handsets, tablet computing, industrial control logic, automotive body and infotainment modules, signal conditioning for noisy sensor lines, level shifting between low-voltage microcontrollers and 5 V peripherals, and wearable health monitors where board space is at a premium. The wide operating voltage range makes it compatible with 1.8 V, 2.5 V, 3.3 V, and 5 V system rails. When designing with this device, route input traces away from noisy power or switching nodes to take full advantage of Schmitt hysteresis. Bypass VCC with a 0.1 µF ceramic capacitor placed within 5 mm of the supply pin. Note that the DSBGA package requires precise PCB land pattern and reflow profile control; refer to TI application note SCBA017 for DSBGA handling guidelines. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including cross-reference information verified against TI product family listings and the Site MPN cross-reference database.
SN74LVC2G17 - Dual Schmitt-Trigger Buffer 5.5V | Texas Instruments
The Texas Instruments SN74LVC2G17 is a dual Schmitt-trigger buffer designed for 1.65-V to 5.5-V VCC operation, performing the Boolean function Y = A on two independent channels. Packaged in the popular SOT-23-6 (DBV), SON-6 (DRY), and NanoStar (YEP) options, it suits space-constrained designs requiring noise-tolerant signal buffering. A Schmitt-trigger buffer is a digital logic gate that uses positive feedback to create different input thresholds for rising (VT+) and falling (VT-) signals. This hysteresis eliminates false triggering from noise or slow input edges, making Schmitt buffers essential for conditioning noisy signals, debouncing mechanical switches, and squaring up slow-rise-time waveforms. The SN74LVC2G17 belongs to the LVC logic family, part of the broader low-voltage CMOS buffer and line-driver category in the logic IC hierarchy. Key features include a wide supply range of 1.65 V to 5.5 V, 5.5-V input tolerance for mixed-voltage interfacing, and a maximum propagation delay (tpd) of 3.3 ns at 3.3 V. Output drive is ±24 mA at 3.3 V with a push-pull stage providing rail-to-rail output swing. Maximum ICC is 10 uA, enabling low-power designs, and the Ioff feature fully supports partial-power-down operation by preventing damaging backflow current when VCC is removed. Architecturally, the device uses a CMOS process with comparator-based Schmitt input circuits that guarantee stable switching even with very slow input transitions. Typical VOLP (output ground bounce) and VOHV (output VOH undershoot) are specified at 25C to characterize system-level signal integrity. Both an automotive SN74LVC2G17-Q1 (AEC-Q100 qualified) variant and the enhanced SN74LVC2G17-EP for demanding applications are available. Typical applications include switch debouncing, sensor signal conditioning, level shifting between 3.3-V and 5-V logic domains, and buffering of slow or noisy signals in industrial, consumer, and automotive electronics. Design tip: leverage the hysteresis characteristics for your noise environment and observe proper power sequencing - Ioff supports partial power-down, but unintended current paths should still be avoided.