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SN74LS85N

SN74LS85N - 4-Bit Magnitude Comparator | Texas Instruments

The Texas Instruments SN74LS85N is a 4-bit magnitude comparator with eight parallel data inputs, three active-high decision outputs, and 16-PDIP packaging. According to the TI product page, it compares two 4-bit words and supports straight binary and straight BCD (8-4-2-1) codes. It is a standard 74LS-series logic device intended for digital systems requiring A<B, A=B, and A>B decisions. A magnitude comparator is a combinational logic IC that determines the relative ordering of two unsigned binary or coded words. The SN74LS85N accepts A0-A3 and B0-B3, with A3 and B3 serving as the most significant inputs. Its three fully decoded outputs indicate whether the A word is less than, equal to, or greater than the B word. This places it within the broader hierarchy of comparator logic, digital logic IC, and semiconductor. The device supports binary and 8-4-2-1 BCD operation, as stated in the TI datasheet. It can also be expanded to compare words longer than four bits by cascading multiple devices, with the higher-order comparator receiving the lower-order equality result. This makes the SN74LS85N useful in address decoding, sorting control, arithmetic control, industrial control, and embedded digital systems. The SN74LS85N is identified as a 16-pin PDIP by the distributor data. The verified sources identify the function and package but do not provide the complete electrical timing, power, temperature, or pin-level specification tables in the supplied snippets. Those values are therefore marked as data needed rather than inferred. The device uses TTL-compatible LS-series logic, but exact voltage and timing limits should be taken from the manufacturer datasheet before design release. Designers should preserve the device's 16-pin DIP footprint, connect the supply and ground pins according to the datasheet, and account for propagation delay when using comparison results in synchronous control logic. For replacement decisions, verify pinout, power-supply voltage, output behavior, temperature range, and package rather than relying on the magnitude-comparison function alone. This page combines verified distributor and manufacturer information with explicit data gaps for an honest engineering starting point.

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SN74LS90D

SN74LS90D - Decade Counter, 4-Bit, LS-TTL, 14-SOIC | Texas Instruments

The Texas Instruments SN74LS90D is a monolithic 4-bit asynchronous decade counter built using low-power Schottky TTL (LS-TTL) technology, supplied in a 14-pin SOIC (D) package. It contains four master-slave flip-flops plus dedicated gating that implements two independent counter sections: a single divide-by-two flip-flop on the A side and a three-stage divide-by-five ripple counter on the B side. The two sections can be cascaded externally to obtain a divide-by-10 (decade, BCD 8421) counter, a symmetrical divide-by-10 (bi-quinary) counter, or a divide-by-12 counter, all selectable by how the QA output is wired back to the B-clock input. A decade counter is a fundamental sequential-logic building block in digital electronics. Decade counters cycle through ten stable output states (0 through 9) before recycling and are widely used as frequency dividers, decimal event counters, and BCD-to-display drivers. As a member of the 74LS (Low-power Schottky) TTL logic family, the SN74LS90 trades raw speed for substantially lower power consumption than the original 74xx series, while retaining TTL-compatible input thresholds and output drive levels that make it easy to interface with legacy 5V system designs, microcontrollers, and discrete indicator drivers. Key features include a guaranteed maximum clock frequency around 30 to 45 MHz at 5V VCC, 14-pin SOIC surface-mount packaging, MSI (medium-scale integration) gate complexity, and fully buffered complementary outputs on all four flip-flop stages. The part operates from a single 4.75V to 5.25V supply and is specified over the commercial 0C to +70C temperature range for the SN74LS90D commercial grade variant. Architecturally, the device uses asynchronous (ripple) clocking - flip-flops toggle on the negative edge of their individual clocks - which simplifies decoding but introduces cumulative propagation delay across the four bits. Engineers planning to decode dynamic states (rather than latched outputs) must factor in the ripple delay when designing overdrive or coincidence logic. Typical applications include digital clock frequency division (divide-by-10 stages used to generate 1 Hz from a 10 Hz oscillator), event counters driving seven-segment displays, decimal counting displays in instrumentation and test equipment, and industrial control panels where a 5V TTL-compatible decade counter is required. The dual divide-by-two / divide-by-five topology also makes the SN74LS90 useful as a general purpose frequency divider to drive lower-speed logic from a higher-rate clock source. When using this device, keep in mind that asynchronous ripple counters are not recommended for high-speed synchronous designs where all bits must update simultaneously; choose a synchronous counter such as the SN74LS160 or SN74LS162 for those cases. Decoupling VCC with a 0.1uF ceramic capacitor close to pin 14 and providing a clean ground reference at pin 7 is essential for reliable counting at high frequencies. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. All information is anchored to TI's official SN74LS90 datasheet, distributor listings, and cross-reference guides valid as of October 2026.

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SN74LS90N

SN74LS90N - 4-Bit Decade Counter | Texas Instruments

Texas Instruments SN74LS90N is a 4-bit decade counter with asynchronous, negative-edge-triggered operation, TTL logic compatibility, and a 14-pin PDIP package. It divides the input clock by two and provides a three-stage binary count sequence whose overall division ratio is five for the 74LS90 family. The four internal master-slave flip-flops and gating logic allow the counter to be configured for decade-counter operation or other counting sequences required by digital control systems. A decade counter is a synchronous-state counter built from flip-flops and logic gates. In the broader electronics hierarchy, a decade counter belongs to counter logic, digital logic ICs, logic ICs, and ultimately semiconductor devices. It is commonly used to divide one input frequency into lower, predictable frequencies or to produce a modulo-10 counting sequence for timing and control functions. The SN74LS90N provides a 4-bit counter element, negative-edge triggering, and upward counting. Its TTL-compatible interface allows it to operate with other 74LS-family digital logic in established industrial control, instrumentation, and legacy computer systems. Because its counting architecture includes independently controlled sections, designers can also use it in divide-by-five, divide-by-six, divide-by-eight, and related applications depending on the selected output connections. Technically, the monolithic counter combines four master-slave flip-flops with additional gating logic. The master-slave arrangement helps prevent race-through conditions when the clock changes state, while negative-edge triggering defines exactly when the stored count advances. Designers should still account for propagation delay, setup and hold requirements, and output transition behavior when operating near the device’s maximum clock frequency. Typical uses include digital timing references, industrial sequence counters, frequency-divider circuits, test equipment, and embedded legacy control systems. The SN74LS90N is especially appropriate when an existing board requires a standard 14-pin TTL counter rather than a programmable modern counter. Availability and lifecycle decisions should be based on current distributor inventory because legacy through-hole logic sourcing can vary. The primary design consideration is timing margin. Confirm the selected output’s transition timing against the load and the next device’s setup requirement, and route the clock to minimize ringing. Decoupling close to the supply pins and careful grounding remain necessary because every counter edge can propagate supply and ground disturbance into adjacent logic. This page combines verified manufacturer and distributor information, package details, pricing context, sourcing guidance, and verified drop-in alternatives. It also distinguishes documented facts from parameters that still require confirmation from the manufacturer datasheet, helping engineers avoid unsupported assumptions during legacy-logic maintenance and redesign.

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SN74LS92D

SN74LS92D - Divide-by-12 4-Bit Counter | Texas Instruments

Texas Instruments SN74LS92D is a divide-by-12, 4-bit, positive-edge-triggered counter IC with one counter element, supplied in a 14-pin SOIC package. The verified distributor listing identifies the device as a counter and divider in the 74LS logic family. Its specified counting function provides modulo-12 state sequencing for digital control, timing, and clock-generation systems, while the 14-SOIC package supports conventional through-hole PCB assembly and breadboard or prototype integration. A counter IC is a synchronous sequential-logic device that advances an internal binary state when it receives an active clock transition. The SN74LS92 belongs to the broader 74LS TTL family, which combines digital counting functions with standard bipolar logic interfaces. Divide-by-12 operation is useful when a system needs a repetitive 12-state sequence rather than a binary modulus of 2, 8, or 16. The output state can therefore be decoded for clock-enable generation, event counting, phase selection, or repetitive control sequencing. The verified data specifically identifies a 4-bit counter, one element, positive-edge triggering, and a divide-by-12 function. The 14-pin SOIC package is the confirmed physical format for the SN74LS92D ordering code. Other operating details, including supply voltage limits, propagation delay, output drive capability, current consumption, and temperature limits, were not included in the supplied verified records and must be confirmed against the manufacturer datasheet before design release. Typical uses include industrial timing modules, digital clock dividers, pulse and event counters, sequencing controllers, and educational digital-logic systems. The positive-edge trigger means the counter changes state on the designated clock transition rather than every clock level. Designers should preserve the counter’s reset behavior and unused input states according to the manufacturer datasheet, and should not substitute a generic counter unless its count modulus, pinout, voltage interface, and timing characteristics are verified as compatible. The primary design consideration is package and logic-family compatibility. SN74LS92D uses a 14-pin SOIC footprint, so a proposed replacement must match that footprint and confirm every terminal function. Supply-voltage compatibility, output timing, fan-out, and signal-integrity margin are especially important when the counter interfaces with slower TTL, faster CMOS, microcontroller, or optocoupler-based systems. This page consolidates verified distributor information, official Texas Instruments product identification, package data, application context, and replacement-screening guidance. The available records do not provide a verified unit price, complete electrical limit table, or five distinct drop-in alternatives; those fields are intentionally marked for verification rather than inferred.

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SN74LS92N

SN74LS92N - Divide-by-12 4-Bit Counter | Texas Instruments

The Texas Instruments SN74LS92N is a 4-bit, divide-by-12 ripple counter IC in a 14-pin PDIP package. It provides one counter element, positive-edge operation, and a 12-count sequence for digital frequency division, event counting, timing, and sequencing. The device combines four master-slave flip-flops with gating to implement a divide-by-two section and a three-stage binary counter configured for a divide-by-six cycle. The two sections together produce the overall divide-by-12 function identified by the manufacturer. A ripple counter is a digital counter type within the logic IC hierarchy. Unlike a synchronous counter, its internal stages do not all change on the same clock edge; ripple transitions propagate through successive flip-flops. This architecture is useful when the required count sequence is simple, the clock frequency is moderate, and the next logic stage does not require all counter outputs to switch simultaneously. The SN74LS92N belongs to the SN74LS low-power Schottky TTL family of counters and dividers. The principal functional attributes are its 4-bit counter organization, single divide-by-12 counting element, positive-edge triggering, and 14-pin PDIP package. The verified distributor listing describes the SN74LS92N as a counter and divider IC with one element, four bits, and positive-edge operation. The manufacturer datasheet describes the internal implementation as four master-slave flip-flops plus additional gating. These details distinguish it from decade counters, binary divide-by-8 counters, and general-purpose multi-section counter ICs. Because it uses ripple-style internal propagation, the design should account for the timing relationship among the counter outputs rather than assuming synchronous counter behavior. External logic should be connected to the appropriate decoded count states, and unused inputs must be held at defined logic levels. Power and logic-level details should be confirmed in the current manufacturer datasheet before it is used in a new high-speed or industrial design. Typical applications include divide-by-12 clock generation in older digital systems, pulse and event counting, modulo-12 sequencing, industrial timing modules, and legacy control systems that require a standard TTL counter function. The SN74LS92N is especially relevant for maintaining 74LS-series logic rather than designing a new synchronous counter around a modern programmable device. The primary design trade-off is flexibility versus complexity. A dedicated counter is simpler than a programmable MCU for a fixed modulo-12 function, but its operating speed, logic thresholds, power dissipation, and propagation behavior remain those of the original TTL family. Confirm those characteristics against the manufacturer documentation before replacing a modern high-speed counter in timing-critical circuitry. This page consolidates verified manufacturer and distributor information, package details, practical application guidance, and same-footprint counter alternatives to support component identification, sourcing, and legacy-design maintenance.

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SN74LS93D

SN74LS93D - 4-Bit Binary Counter | Texas Instruments

Texas Instruments SN74LS93D is a 4-bit binary counter IC with one counting element, negative-edge counting, and a 14-pin SOIC (D) package. The counter supports 0 to 70 °C operation and is described by DigiKey as a 1-element, 4-bit counter. Distributed search results also identify the device as a high-speed 4-bit ripple-type counter assembled from master-slave flip-flops and gating logic. A binary counter is a sequential digital circuit that increments or decrements a binary state when an active clock transition occurs. The SN74LS93 belongs to the 74LS low-power Schottky TTL logic family, whose product hierarchy is 74LS counter → 4-bit binary counter → counter and divider logic → digital logic IC → semiconductor. Its four output bits allow a 16-state counting sequence, while independent gating provides useful divide-by-two and three-stage binary-counter arrangements described for the SN54/74LS90, SN54/74LS92 and SN54/74LS93 family. The verified product information identifies the SN74LS93 as a 4-bit binary counter with a 14-pin SOIC package and negative-edge counting. One distributor result lists a maximum frequency of 42 MHz. The part is also described as supporting decade, divide-by-twelve and binary-counter functions, with gated sections that allow the designer to select the required counting arrangement. These characteristics make it suitable for legacy digital logic, frequency division, event counting and industrial control systems that retain 5 V TTL-compatible interfaces. Ripple-counter architecture uses cascaded flip-flop stages, so each internal stage supplies clocking information to the following stage. This structure can introduce cumulative propagation delay between output transitions. Designers should therefore account for settling time when decoding several outputs together, particularly if the decoded value must remain glitch-free around a carry transition. The reset and control inputs should be driven with clean, stable logic to prevent unintended count initialization or count-enable behavior. Typical uses include dividing a periodic signal, counting external events in legacy instrumentation, sequencing digital state machines and building compact binary accumulators. The counter is particularly relevant to brownfield industrial equipment, test fixtures and communication modules that use 74LS-family logic rather than modern programmable controllers. Because the verified material does not provide a detailed external clock or reset circuit, engineers should consult the manufacturer datasheet for exact truth-table and timing conditions before finalizing a board. For a new design, keep clock and control traces short, provide a stable ground reference and decode outputs only after the expected propagation delay has elapsed. Avoid relying on decoded ripple outputs without considering transition hazards. Verify the actual device markings, supply requirements and absolute maximum ratings because only the counter width, package, edge sensitivity, temperature range and summarized functions were provided in the verified search data. This page combines verified manufacturer and distributor information with practical selection guidance, a strict drop-in review, sourcing questions and design considerations for engineers maintaining TTL-based systems. It also clearly separates confirmed data from parameters that still require confirmation from the official SN74LS93 datasheet.

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SN74LS93N

SN74LS93N - 4-Bit Binary Counter | Texas Instruments

Texas Instruments SN74LS93N is a 4-bit binary counter and divider IC with one counting element, negative-edge triggering, a maximum operating frequency of 42 MHz, and a 5 V LS-family supply range of 4.75 V to 5.25 V. The device is supplied in a 14-pin plastic dual-inline package, designated 14-PDIP, with a 0.300-inch lead pitch of 7.62 mm. Its internal four master-slave flip-flops provide programmable count cycles for decade, divide-by-twelve, and binary counting applications. A binary counter is a synchronous sequential-logic device that records and advances a binary count when triggered by an external clock. The SN74LS93 belongs to the broader hierarchy of counters, frequency dividers, digital logic ICs, and semiconductors. Instead of operating only as a conventional modulo-16 binary counter, its reset and output arrangement allows it to implement maximum count lengths corresponding to divide-by-8, decade, and divide-by-12 operation when the appropriate outputs are connected. The counter's negative-edge triggering means the internal state advances on the high-to-low transition of the clock signal. This characteristic gives designers a defined transition for sequencing frequency dividers, pulse accumulators, timing generators, and digital clocks. The verified device description identifies four master-slave flip-flops, a 4-bit counting section, and one counter element. The maximum operating frequency of 42 MHz supports moderate-speed counting while retaining the slower, broadly compatible LS-series logic family. Operation is organized around clock and clear inputs and four binary outputs. Master-slave flip-flop stages provide stable output states between clock transitions, while the available clear connections permit the counting sequence to be reset. The exact external feedback connection determines whether the implemented sequence is divide-by-8, decade, or divide-by-12. Correct feedback and reset timing are therefore as important as the clock frequency when configuring the counter for a specific modulus. Typical applications include digital frequency division, pulse and event counting, programmable timing references, industrial control logic, and sequential test systems. It can also generate repeated machine cycles, divide a master clock into a lower-frequency base, or count incoming events when a triggered output must be latched for later processing. The 14-PDIP package is particularly convenient for through-hole prototypes, educational systems, legacy equipment, and repair assemblies. When designing a replacement circuit, preserve the negative-edge triggering convention, verify the reset pulse width, and check every feedback connection used to obtain the desired count modulus. A logic analyzer should confirm output transitions after reset and during the first complete counting cycle. Do not assume that a 74-series counter with a similar function has an equivalent pinout without comparing its package and pin descriptions.

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SN74LV123ARGYR

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.

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SN74LV1T125DBVR

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.

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SN74LV240A

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.

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SN74LV3T99-Q1

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.

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SN74LV595APWR

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.

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SN74LVC04APWR

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.

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SN74LVC07APWR

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.

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SN74LVC07APWRG4

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.

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SN74LVC157APWRE4

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.

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SN74LVC1G07DBVR

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.

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SN74LVC1G07DCKR

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.

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SN74LVC1G08DBVR

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.

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SN74LVC1G125DBVR

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.

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SN74LVC1G125QDBVRQ1

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.

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SN74LVC1G14DBVR

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.

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SN74LVC1G17DBVR

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.

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SN74LVC1G17QDBVRQ1

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.

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