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Productos (272)
MC74ACT32DR2G - 5V Quad 2-Input OR Gate, SOIC-14 | onsemi
The onsemi MC74ACT32DR2G is a quad 2-input OR gate from the ACT (Advanced CMOS TTL-compatible) logic family, supplied in a 14-pin SOIC surface-mount package on tape and reel. The device contains four independent 2-input OR gates in a single silicon die, operates from a single 4.5V to 5.5V VCC supply, and is rated for a maximum propagation delay of approximately 9 ns at 5V with a 50 pF load. An OR gate is a fundamental combinational logic primitive whose output is the logical disjunction of its two inputs: the output goes HIGH whenever at least one input is HIGH. The MC74ACT32DR2G belongs to the ACT subfamily, which provides TTL-compatible input voltage thresholds while retaining CMOS output drive capability. In the broader taxonomy, this part sits under: logic gate -> combinational logic -> standard logic -> digital IC -> semiconductor. The ACT family was specifically developed to ease migration from legacy 74LS/74F TTL designs to CMOS, providing the lower quiescent current of CMOS with input levels that directly interface to 5V TTL outputs. Key specifications include four channels per package, two inputs per channel, one output per channel, 24 mA source/sink output drive capability, and a propagation delay of 9 ns at 5V VCC. The device features TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max), rail-to-rail output swing to VCC and ground, and ESD protection on all pins. Power dissipation is reduced by approximately 50% compared to the equivalent bipolar 74LS32, while drive strength is retained. Architecturally, the ACT32 uses CMOS transistors for both the input stage (TTL-compatible threshold via adjusted NMOS/PMOS ratios) and the output stage (symmetric push-pull drivers capable of 24 mA sink/source). This makes the part suitable for driving moderate capacitive loads, bus interfaces within a backplane, and LED indicators. The four gates share VCC and GND pins (pins 14 and 7 respectively), with each gate using two dedicated input pins and one output pin. Typical applications include address decoding in 5V memory-mapped systems, glue logic between microcontrollers and peripherals, bus arbitration logic, control signal combining in industrial PLC interfaces, and general-purpose logic replacement in legacy TTL designs. The wide operating temperature range of -40C to +85C supports both commercial and industrial environments, while the SOIC-14 package is suitable for hand-soldered prototypes and high-volume SMT assembly lines. When designing with the MC74ACT32DR2G, observe standard high-speed CMOS design practice: place a 0.1 uF decoupling capacitor as close as possible to the VCC pin (pin 14), keep input traces short to minimize noise-induced threshold violations, and avoid driving inputs above VCC. Unused inputs must be tied to VCC or GND - never left floating - to prevent unwanted shoot-through current in the input stage that can increase ICC. The ACT32 is a 5V-only part and will not operate correctly at 3.3V; for 3.3V applications use the 74LVC32 family instead. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet, with explicit cross-brand references to TI, Toshiba, and Fairchild equivalents that share the same SOIC-14 footprint.
MC74HC1G14DFT1G - Single Schmitt-Trigger CMOS Inverter | onsemi
The onsemi MC74HC1G14DFT1G is a single-channel high-speed CMOS inverter with a Schmitt-trigger input, supplied in the compact 5-pin SC-88A SC-70-5/SOT-353 package. Verified distributor information identifies a 2 V to 6 V single CMOS Schmitt-input device with five pins and a specified operating-temperature range of -55°C to 125°C. Its Schmitt-trigger input provides separate switching thresholds for rising and falling edges, improving noise immunity when the input crosses slowly or contains ripple. A logic inverter is a combinational digital component that produces the complement of its input: a low input produces a high output, while a high input produces a low output. Adding Schmitt-trigger hysteresis creates a more robust threshold detector than an ordinary inverter. Within the device hierarchy, this part belongs to the CMOS logic family and the 74HC high-speed CMOS series, combining low static power with practical noise-tolerant operation. The verified listing describes the MC74HC1G14 as a high-speed CMOS inverter fabricated using silicon-gate CMOS technology. Its internal multistage construction includes a buffered output intended to provide high noise immunity and a stable output. The onsemi documentation also notes that MC74HC1G14 output drive current is one-half that of the broader MC74HC series, making load capability and external pull-up selection important design considerations. Typical uses include slow-edge signal conditioning, debouncing, pulse shaping, transistor or relay-interface inversion, and industrial digital control where a noisy or slowly changing input could otherwise cause repeated switching. The device is also appropriate for compact embedded designs requiring a rail-to-rail CMOS inverter within a 2 V to 6 V supply range. Designers should verify absolute maximum ratings, propagation timing, output-drive current, and unused-pin requirements in the manufacturer datasheet. Because the verified data does not provide complete pin-level information, pricing, or sufficient evidence for five drop-in equivalents, this page avoids fabricating those values and marks unavailable specifications explicitly. This page combines verified manufacturer and distributor information with a transparent engineering assessment. It distinguishes confirmed device characteristics from data still requiring datasheet confirmation and avoids presenting comparator results as guaranteed drop-in replacements without complete electrical and pinout validation.
MC74VHC1G14DFT1G - Single Schmitt-Trigger Inverter, SC-88A / SC-70-5
The onsemi MC74VHC1G14DFT1G is a single-channel CMOS Schmitt-trigger inverter fabricated with advanced high-speed silicon-gate CMOS technology, supplied in a 5-pin SC-88A / SC-70-5 / SOT-353 surface-mount package. It operates from a 2 V to 5.5 V Vcc supply, supports input voltages up to 7 V regardless of Vcc, and provides balanced propagation delays with typical tPD of 3.5 ns at VCC = 5 V. A Schmitt-trigger inverter is a single-input logic gate whose transfer characteristic includes a defined upper and lower threshold voltage (hysteresis), making the device immune to slow or noisy input edges. The MC74VHC1G14 sits within the broader logic-gate family (inverter -> NOT gate -> combinational logic -> CMOS logic -> standard logic IC), and the 74VHC sub-family delivers Bipolar-Schottky-TTL-class speed at a fraction of the quiescent power. Key features include CMOS-level input thresholds (the MC74VHC1GT14 variant provides TTL-level thresholds), 8 mA output drive capability at 5 V, 1 µA maximum quiescent supply current at 25 °C, power-down protection on the inputs, and internal ESD protection. The hysteresis characteristic is typically 1.5 V at 5 V supply, eliminating oscillations on slowly changing signals and improving noise margin in harsh environments. The architecture uses three internal stages with a buffered output stage, providing high noise immunity and stable output swings rail-to-rail. The internal FET count is ≤ 100, contributing to its tiny footprint and low dynamic power. Pb-free packages are available, and the device is designed for 1.65 V to 5.5 V Vcc operation, allowing direct interfacing between 3.3 V and 5 V logic domains. Typical applications include signal conditioning for mechanical switch debouncing, waveform shaping in oscillator and pulse-generator circuits, level translation between 5 V and 3.3 V logic, microcontroller reset and wake-up pulse generation, and general-purpose logic inversion in portable, industrial, and consumer electronics where board space is at a premium. Design consideration: although the part tolerates input voltages up to 7 V even with Vcc = 0 V, designers must still respect the absolute-maximum input rating and avoid persistent over-voltage stress. Decouple Vcc with a 0.1 µF ceramic capacitor placed within a few millimeters of the supply pin. This page synthesizes distributor pricing, drop-in pin-compatible alternatives in the same SC-88A footprint, comparison parameters, and practical design notes beyond what the manufacturer datasheet alone provides, giving engineers a one-stop reference for sourcing and qualifying the MC74VHC1G14DFT1G.
MC74VHC1G14DFT2G - Single Schmitt-Trigger Inverter, 2-5.5V CMOS | onsemi
The onsemi MC74VHC1G14DFT2G is a single-gate CMOS Schmitt-trigger inverter in a 5-pin SC-88A (SOT-353) surface-mount package, designed for 2 V to 5.5 V VCC operation. The device uses silicon-gate CMOS technology to deliver high-speed logic with low static power dissipation of 1 µA maximum at TA = 25 °C, and features a typical propagation delay of 3.5 ns at VCC = 5 V per the onsemi datasheet. The built-in Schmitt-trigger input hysteresis provides high noise immunity and stable output even on slow or noisy edges, making it well-suited for signal conditioning, oscillator building blocks, and level translation in mixed-signal systems. An inverter is a fundamental single-input logic gate that produces a logical NOT of its input. Schmitt-trigger inverters extend this with hysteresis: the input threshold for a rising edge differs from that of a falling edge, which suppresses oscillation on slowly-changing signals and rejects noise on the input rail. This places the MC74VHC1G14 within the broader logic-gate hierarchy: inverter → NOT gate → CMOS logic → standard logic IC → semiconductor. Compared to a plain CMOS inverter, the Schmitt input offers a defined switching window specified as VP (positive threshold) and VN (negative threshold) in the datasheet, eliminating the indeterminate behavior of non-hysteretic gates when the input dwells in the transition region. Key features include power-down protection on the inputs, balanced propagation delays, pin- and function-compatibility with other standard logic families, and a chip complexity of fewer than 100 FETs. The Pb-free package is qualified for modern reflow profiles, and the device is characterized over the -55 °C to +125 °C operating range. The MC74VHC1G14 has CMOS-level input thresholds; the MC74VHC1GT14 variant, sharing the same datasheet, offers TTL-level input thresholds for designers bridging from legacy 5 V TTL logic. From an architectural standpoint, the three-stage internal buffer provides high DC gain while the Schmitt input stage sets the hysteresis band. Because it is a single-gate, single-channel part in a sub-2 mm² footprint, the MC74VHC1G14DFT2G is most often used as a 'helper' logic element - one inverter per chip - where board space is at a premium and a multi-channel gate would waste inputs. Typical applications include oscillator and relaxation-timing circuits using an RC network at the input, button/keyboard debouncing, waveform shaping in sensor front-ends, simple logic-level inversion between 1.8 V, 3.3 V, and 5 V rails, and reset/power-good signal conditioning in microcontroller-based designs. The wide 2 V to 5.5 V supply range makes it equally at home on a coin-cell-powered IoT node and a 5 V industrial controller. The low quiescent current of 1 µA preserves battery life in always-on circuits. When designing with this part, observe the maximum input rise/fall-time limits in the datasheet and place a 0.1 µF decoupling capacitor close to the VCC pin. Unused inputs must not be left floating - tie them to VCC or GND through a resistor to prevent shoot-through current and undefined switching. For drop-in replacement of the onsemi part, the TI SN74AHC1G14 and Nexperia 74AHC1G14 share the same pinout and function in compatible packages.
MCP4441-503E/ST - 50kΩ Quad 7-bit I2C Nonvolatile Digital POT
The Microchip MCP4441-503E/ST is a quad 7-bit (129-tap) nonvolatile digital potentiometer with 50 kΩ end-to-end resistance and an I2C-compatible serial interface, housed in a 20-pin TSSOP (ST) package. Each of the four rheostat channels integrates 128 series resistor elements plus a wiper that lands on one of the 129 tap points, allowing firmware-controlled resistance adjustment with 50 kΩ nominal RAB and ±20% tolerance. A nonvolatile EEPROM wiper register preserves the last wiper position through power cycles without MCU intervention, which is critical for system calibration retention. A digital potentiometer (also called a digital POT or digiPOT) is a solid-state variable resistor controlled by a digital bus (I2C, SPI, or increment/decrement pulses) rather than by mechanical motion. It replaces mechanical trimmers and potentiometers in calibration, gain control, and bias-setting circuits, removing drift caused by vibration, contamination, and aging. The MCP4441 belongs to the broader hierarchy: digiPOT -> digitally controlled resistor -> programmable analog building block -> data-acquisition / signal-conditioning IC -> mixed-signal semiconductor. Key features of the MCP4441-503E/ST include 2.7 V to 5.5 V single-supply operation, an I2C interface supporting standard (100 kHz), fast (400 kHz), and high-speed (3.4 MHz) modes, an A0 address-select pin for stacking two devices on one bus, and Microchip's WiperLocks technology that freezes the wiper in place on command. Four independent channels can be configured as potentiometers or rheostats, with separate volatile and nonvolatile registers per channel. Technically, the device uses a CMOS resistor-ladder architecture with EEPROM shadowing. Wiper resistance is typically 75 Ω, and the −3 dB terminal bandwidth at mid-scale approaches 1 MHz at RAB = 50 kΩ, making the part suitable for audio and instrumentation trim networks that do not require kilovolt isolation. Typical applications include programmable gain amplifiers, LCD contrast adjustment, sensor-bridge excitation trim, white-LED bias control, and volume control in portable audio. The TSSOP-20 footprint (4.4 mm body width) keeps board space low while keeping each wiper pin accessible for printed-circuit layout. When designing with this part, remember that the device pin-complements the bus to 5.5 V only; using it above 5.5 V damages the I2C pins. Place the A0 pin at logic high or low before the first I2C transaction to set the slave address, and use the nonvolatile write command (WRITE-EEPROM) sparingly because the EEPROM endurance is around 1 million cycles per tap.
MM74HC573WMX - 3-STATE Octal D-Type Latch | onsemi
The onsemi MM74HC573WMX is a high-speed 3-STATE octal D-type latch built with silicon-gate P-well CMOS technology and supplied in a 20-pin SOIC package. It provides eight transparent D inputs, eight non-inverting Q outputs, a common latch enable, an active-low output enable, and 3-STATE bus outputs capable of driving 15 LS-TTL loads. These characteristics make it suitable for bus-interface, buffering, and register applications. An octal D-type latch is a level-sensitive storage element: while its enable input is active, the Q outputs follow the corresponding D inputs; when the enable is inactive, the last presented data level is retained. The 3-STATE output control allows each output to be driven, placed in a high-impedance state, or otherwise controlled for shared-bus use. The MM74HC573WMX therefore belongs to the broader CMOS logic family, specifically latches and bus-interface logic. Key features include low power consumption, high noise immunity, and output-drive capability for 15 LS-TTL loads. The transparent architecture supports data transfer when the latch-enable timing is controlled externally. The output-enable function is useful for preventing multiple devices from driving a shared data bus during multiplexing or address-latch applications. Exact propagation-delay, supply-voltage, and current limits should be confirmed against the manufacturer datasheet for the selected operating conditions. The MM74HC573WMX is commonly used where an eight-bit parallel data path must be temporarily latched or isolated. Typical implementations include address or data-bus buffering, microprocessor and microcontroller interface logic, temporary data storage between parallel buses, and general-purpose digital control systems. The 20-pin SOIC package supports conventional surface-mount PCB assembly, while the latch and output-enable signals provide sequencing control. When designing around this device, treat enable and output-enable timing as part of the system interface. Ensure that bus contention is prevented during output-disable transitions, account for load capacitance when timing is critical, and use pull-up or pull-down arrangements where required by the surrounding bus architecture. The manufacturer datasheet and device-specific timing tables are the authoritative references for final design decisions. This product page combines verified source information, package and functional context, comparison criteria, and practical design guidance. It is intended to help engineers identify suitable applications and confirm whether the MM74HC573WMX is appropriate for a particular bus-interface or logic design.
MPC184VFB - PowerPC Security Coprocessor, 66MHz | NXP
The NXP (formerly Freescale) MPC184VFB is a PowerPC ISA security coprocessor designed to offload cryptographic operations from host processors in networking, storage, and embedded computing systems. Operating at up to 66MHz with a 1.5V core supply, the device accelerates DES, 3DES, AES, MD5, SHA-1/SHA-256, public-key algorithms (RSA, DH), and random number generation, freeing the host CPU for higher-level tasks. It is housed in a 252-ball MAPBGA (VFB) package suited for high-density system designs. What is a security coprocessor? A security coprocessor is a dedicated hardware accelerator that executes cryptographic primitives (symmetric ciphers, hash functions, public-key operations) at wire speed, far faster than a software implementation on a general-purpose CPU. The MPC184VFB belongs to the broader taxonomy: security coprocessor -> cryptography accelerator -> peripheral / specialized IC -> semiconductor. It is typically paired with a host PowerPC or MIPS processor that delegates cryptographic tasks via a memory-mapped or DMA interface, making it foundational for IPsec, SSL/TLS, and DRM pipelines. Key features include hardware-accelerated AES (128/192/256-bit), DES/3DES, SHA-1/256 and MD5 hashing, true random number generation (TRNG), and big-integer arithmetic for RSA and Diffie-Hellman key exchange. The device exposes a memory-mapped register interface plus scatter/gather DMA channels for high-throughput packet processing. It targets commercial temperature operation and integrates seamlessly with the Freescale PowerQUICC and QorIQ families of communications processors that share the same ecosystem. Architecturally, the MPC184VFB embeds a dedicated crypto engine with parallel datapaths for symmetric and asymmetric algorithms, an on-chip TRNG, and DMA engines that offload data movement from the host. It belongs to NXP's MPC18x PowerPC coprocessor family and supports both little-endian and big-endian host configurations. The 1.5V core plus I/O rails support operation across the 66MHz bus interface. Typical applications include IPsec VPN gateways, SSL/TLS accelerators in web servers and load balancers, secure boot and firmware verification in embedded routers, hardware security modules (HSM), and DRM-protected media streaming appliances. The combination of bulk crypto throughput and TRNG makes it a long-standing building block for enterprise security appliances. When designing with the MPC184VFB, allocate sufficient PCB area for the 252-ball MAPBGA package, route the host bus with controlled-impedance traces, and ensure adequate decoupling for both the 1.5V core rail and the I/O rail. The host driver stack must initialize the cascade of DMA channels and crypto channels before traffic is admitted to minimize session setup latency. This page synthesizes distributor pricing, sparse drop-in availability from authorized and aftermarket channels, and practical design notes for embedding the MPC184VFB in a security appliance - information that goes beyond the manufacturer datasheet alone.
MPC506 - 16-Ch ±15V CMOS Analog Multiplexer | Texas Instruments
The Texas Instruments MPC506 is a 16-channel single-ended CMOS analog multiplexer designed for precision analog signal routing in data acquisition and test systems. It operates with analog signal ranges up to ±15V and features internal overvoltage protection up to 70Vpp, ensuring robust performance in industrial environments. The device is available in a 28-pin SOIC package (MPC506AU) and is pin-compatible with the MPC507A differential 8-channel variant. An analog multiplexer is a semiconductor device that selects one of several analog input signals and routes it to a single output, controlled by digital address lines. It is a fundamental building block in data acquisition systems, enabling multiple sensors or signal sources to share a single ADC or amplifier. Multiplexers belong to the broader category of analog switches and are essential where signal routing, channel expansion, or test automation is required. Key features include break-before-make switching to prevent channel interaction, low standby power of 7.5mW typical, and a 1.5kOhm on-resistance. The device supports a ±15V analog signal range and provides overvoltage protection without channel interaction, making it suitable for harsh industrial environments. CMOS fabrication ensures low power consumption and high input impedance. Fabricated in CMOS technology, the MPC506 provides low leakage currents and high input impedance, preserving signal integrity. The internal 1kOhm series resistance protects the device from overvoltage conditions up to 70Vpp, eliminating external protection components in many applications. Break-before-make switching ensures the output is never momentarily connected to two inputs simultaneously, preventing signal corruption. Typical applications include data acquisition systems, test and measurement equipment, industrial process control, and medical instrumentation. The MPC506 is ideal for routing multiple analog signals to a single ADC, expanding channel count in a measurement system, or implementing programmable gain amplifier configurations. When designing with the MPC506, ensure analog input signals remain within the specified ±15V range to avoid damage. Drive the digital address lines with proper logic levels, and buffer the output if driving a capacitive load to maintain stability.
NC7S00M5X - TinyLogic HS 2-Input NAND Gate, SOT-23-5 | onsemi
The onsemi NC7S00M5X is a single 2-input high-performance CMOS NAND gate fabricated using advanced silicon-gate CMOS technology, housed in a 5-pin SOT-23-5 surface-mount package. It is part of the TinyLogic HS (High-Speed) family and operates over a wide VCC range of 2.0 V to 6.0 V with a typical propagation delay of approximately 3 ns at 5 V supply, delivering low-power CMOS performance with TTL-compatible switching thresholds. A NAND gate is a fundamental digital logic primitive that performs the logical NAND (NOT-AND) operation on its two inputs. The output is logic LOW only when both inputs are HIGH; otherwise, the output is logic HIGH. As a member of the logic gate family, NAND gates sit inside the Boolean logic hierarchy (AND/OR/NOT/NAND/NOR/XOR), and the NAND gate is functionally complete, meaning any other Boolean function can be implemented using only NAND gates. Within an integrated circuit's hierarchy, the NC7S00 belongs to the logic ICs category, specifically the sub-category of gates and inverters, which feed into larger functions such as flip-flops, arithmetic logic units, and microcontrollers. Key features of the NC7S00M5X include ultra-low quiescent current (ICC < 1 µA at VCC = 5.5 V), high noise immunity thanks to three internal gain stages between input and output, balanced output drive, and ESD protection diodes on all inputs/outputs referenced to the VCC and GND rails. The SOT-23-5 footprint makes it suitable for space-constrained designs such as hand-held, battery-powered, and portable consumer electronics. Architecturally, the NC7S00 uses an advanced silicon-gate CMOS process that combines low static power consumption with high switching speed. The output stage is balanced, capable of sourcing and sinking comparable currents, which improves AC performance in symmetrical loads and prevents ground-bounce issues in dense multi-gate boards. Inputs tolerate voltages up to VCC plus 0.5 V without damage. Typical applications include handheld and portable electronics, general-purpose logic level translation and interface buffering, signal conditioning in sensor front-ends, low-power standby controllers, mobile phones, PDAs, and industrial control logic where minimal board area is critical. Designers often use the NC7S00M5X as a building block for oscillator circuits, reset sequencers, and conditional-enable logic. When designing with this device, observe proper high-frequency PCB practices: place a 0.1 µF decoupling capacitor within 2 mm of the VCC pin, and route input traces away from the output to avoid feedback-induced oscillations. The input ESD network makes the pin robust to handling, but layout cleanliness still determines overall system noise immunity. This page consolidates distributor pricing for the NC7S00M5X, identifies pin-compatible drop-in alternatives in the same SOT-23-5 footprint, and provides design notes that complement the manufacturer datasheet without repeating it verbatim.
NC7S02M5X - TinyLogic 2-Input NOR Gate SOT-23-5 | onsemi
The onsemi NC7S02M5X is a single 2-input high-performance CMOS NOR gate from the TinyLogic HS (High Speed) family, supplied in a 5-pin SOT-23-5 surface-mount package on tape and reel. Fabricated in advanced silicon-gate CMOS, it delivers high-speed, low-power logic operation over a broad VCC range. A logic gate is the most fundamental building block of digital electronics: it takes binary inputs and produces a binary output according to Boolean rules. A NOR gate outputs a LOW only when any input is HIGH, and is functionally complete, meaning any digital circuit can be built from NOR gates alone. Single-gate logic devices like the NC7S02 occupy the lowest level of the logic IC hierarchy, below multi-gate families such as 74HC quad gates, and belong to the broader class of small-scale integration (SSI) CMOS logic. Key features of the NC7S02 include TinyLogic HS single-gate packaging that saves board space versus quad-gate SOIC-14 alternatives, silicon-gate CMOS technology for speed with minimal static power consumption, and ESD protection diodes on both inputs and output with respect to VCC and GND rails. Three stages of gain between inputs and outputs assure high noise immunity and reduced propagation-delay sensitivity. Technically, the three-stage output buffering provides symmetrical drive and sharp transitions, while the broad VCC range allows direct interfacing with 5V, 3.3V, and lower-voltage logic domains within the specified operating limits. The inherent rail-clamping ESD structure simplifies board-level protection in mixed-signal environments. Typical applications include glue logic in microcontroller and FPGA systems, power-down domain isolation in battery-powered portable equipment, signal inversion or OR-ing in space-constrained designs, and retry or reset control in embedded industrial boards such as MC9S08 or MC9S12 based systems. When designing with this part, keep unused input tied to a valid logic level (VCC or GND) to prevent oscillation, and place 0.1uF decoupling close to the VCC pin. Confirm propagation delay and drive current against the onsemi datasheet for your VCC and temperature corner. This page synthesizes distributor pricing tiers, drop-in alternatives, pinout, and practical design notes not found in the manufacturer datasheet.
NC7S02M5X-L22090 - TinyLogic HS 2-Input NOR Gate | onsemi
The onsemi NC7S02M5X-L22090 is a single-channel 2-input NOR gate fabricated in advanced CMOS silicon-gate technology and housed in a 5-pin SOT-23-5 (TSOP-5/M5) surface-mount package. It belongs to the TinyLogic HS (High-Speed) family, offering high-speed logic operation over a broad VCC supply range in one of the smallest standard discrete-logic footprints available. A NOR gate is a fundamental combinational logic element that outputs a LOW only when all inputs are HIGH; it is functionally complete, meaning any digital circuit can be built from NOR gates alone. In the digital IC hierarchy, the NC7S02 sits within the single-gate logic IC category (also called little logic or TinyLogic), between full 74-series multi-gate packages and application-specific ICs, and is used wherever board space, propagation delay, or parasitic loading make a full quad-gate package impractical. Key features include single 2-input NOR functionality in SOT-23-5, CMOS construction for very low static power consumption, ESD protection diodes on both inputs and the output relative to VCC and GND, and three stages of internal gain that assure high noise immunity while reducing output-stage switching sensitivity, per the onsemi NC7S02 datasheet. Technically, the silicon-gate CMOS process delivers speed comparable to bipolar-era logic at CMOS power levels, and the buffered three-stage topology isolates the inputs from the output transition, minimizing ground bounce in mixed-signal boards. The broad VCC operating range allows direct interfacing with 3.3V and 5V logic domains within rated conditions. Typical applications include glue logic in microcontroller and FPGA systems, oscillator and RC-timer circuits, pulse stretching and delay generation, enable/signal gating in portable and battery-powered consumer devices, and board-level chip-select combining where a full 74x02 package would waste space. Design consideration: as with all single-gate CMOS parts, unused input states must never float - tie unused inputs to VCC or GND through an appropriate connection to prevent oscillation and excess current. Keep decoupling (100 nF) close to pin 5. This page synthesizes verified distributor pricing from DigiKey, Mouser, Octopart and Vyrian, same-package drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet.
NC7SV125P5X - TinyLogic ULP-A Non-Inverting 3-State Buffer, SC-70-5 | onsemi
The onsemi NC7SV125P5X is a single non-inverting 3-state buffer from the TinyLogic Ultra Low Power-A (ULP-A) family, housed in a 5-pin SC-70 surface-mount package. It is designed for VCC operation from 0.9 V to 3.6 V, and is fabricated in CMOS technology to deliver extreme high speed, high drive, and low static power consumption in tiny footprint packages. A 3-state buffer (also called a tri-state buffer, line driver, or bus driver) is a single-input/single-output non-inverting logic device whose output can be placed in one of three states: logic high, logic low, or high-impedance (Hi-Z). Buffers are the simplest members of the Logic ICs category, sitting hierarchically below gates, transceivers, and bus switches. Their primary function is signal isolation, level shifting, bus arbitration, and output drive-strength amplification on shared digital lines such as microcontroller I/O buses, memory data lines, and peripheral interconnects. Key specifications of the NC7SV125P5X include a wide VCC range of 0.9 V to 3.6 V, ±24 mA output drive at 3.3 V VCC, low quiescent current typically below 1 µA, and a propagation delay in the low-nanosecond range that supports high-speed digital interfaces. The 3-state output is controlled by an active-low output enable (OE\) pin; when OE\ is high the output enters Hi-Z, allowing multiple devices to share a common bus. The SC-70-5 package measures approximately 2.0 mm x 1.25 mm, making it one of the smallest logic footprints available. Architecturally the device uses a minimum-stage CMOS inverter chain, which is why propagation delay is extremely short and dynamic power scales linearly with load capacitance and switching frequency. The NC7SV125P5X is specified over the industrial -40 °C to +85 °C temperature range and is fully RoHS compliant, with Pb-free lead finish and a Moisture Sensitivity Level (MSL) of 1, simplifying handling and board assembly. Typical applications include mobile phones, tablets, wearable electronics, IoT sensor nodes, handheld instruments, and any battery-powered product that needs bus isolation or output drive amplification in a sub-3 mm² footprint. Designers favor this part when board real estate is at a premium and a low-power, rail-to-rail CMOS buffer is required. When designing with the NC7SV125P5X, place input and output decoupling capacitors (typically 0.1 µF) close to the VCC and GND pins to limit supply-rail bounce during high-speed switching. Always keep the OE\ pin at a defined logic level; floating enables can cause shoot-through current and unwanted output toggling. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, helping engineers quickly decide whether the NC7SV125P5X is the right 3-state buffer for their next low-power, space-constrained design.
NC7SZ00M5X - UHS 2-Input NAND Gate, SOT-23-5 | onsemi
The onsemi NC7SZ00M5X is a single two-input NAND gate from the TinyLogic Ultra-High Speed (UHS) series, fabricated with advanced CMOS technology to achieve 2.4 ns typical propagation delay while maintaining low static power dissipation across a 1.65 V to 5.5 V VCC operating range, housed in a 5-pin SOT-23 (SC-74A / SOT-753) package. A NAND gate is a fundamental digital logic primitive that performs the logical complement of the AND operation: the output is LOW only when both inputs are HIGH, otherwise the output is HIGH. NAND gates are functionally complete - any Boolean function can be implemented using only NAND gates - which is why they are the most replicated gates in CMOS digital IC families. Within the broader taxonomy, the NC7SZ00 belongs to the TinyLogic UHS family, which sits under standard logic gates, which sits under logic ICs, which sits under integrated circuits. Key features include 2.4 ns typical propagation delay (tPD) into a 50 pF load at 5 V VCC, ±24 mA high output drive at 3 V VCC, broad 1.65 V to 5.5 V operating range, and proprietary noise/EMI reduction circuitry. The device is over-voltage tolerant on inputs, facilitating 5 V to 3 V translation without external level shifters. The NC7SZ00 architecture uses a standard CMOS NAND topology with input hysteresis and balanced output drive, optimized for sub-3 ns switching at low power. Matched LCX-class performance at 3.3 V VCC means it can directly replace legacy LCX NANDs in mixed-voltage designs without PCB rework. Typical applications include portable and battery-powered devices, mobile phone handsets, computing peripherals, level shifting between 5 V and 3.3 V domains, and general-purpose glue logic on microprocessor and ASIC boards. The SOT-23-5 footprint makes it ideal for space-constrained handheld designs. When designing with this device, observe standard CMOS handling precautions: unused inputs must be tied to VCC or GND to prevent floating, and high-impedance I/O behavior occurs during power-down. Decouple VCC with a 0.1 µF ceramic capacitor placed close to the supply pin. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not consolidated in the onsemi datasheet, giving engineers a single reference for selection, sourcing, and PCB-level integration.
NC7SZ04P5X - Single UHS TinyLogic Inverter, 5.5V | onsemi
The onsemi NC7SZ04P5X is a single-channel CMOS inverter from the TinyLogic Ultra-High Speed (UHS) series, housed in a 5-pin SC-70 package (P5X suffix). It operates over a 1.65 V to 5.5 V VCC range and delivers a typical propagation delay of 2.4 ns into a 50 pF load at 5 V VCC, while the ±24 mA output drive at 3 V VCC provides strong signal integrity. According to the onsemi datasheet for the NC7SZ04 family, the part is fabricated with advanced CMOS technology to achieve ultra-high speed with high output drive and low static power dissipation over the full 1.65 V to 5.5 V supply range. What is a TinyLogic UHS inverter? A TinyLogic UHS (Ultra-High Speed) inverter is a single-stage CMOS logic gate that performs the logical NOT function (Y = ~A) and belongs to the TinyLogic family of discrete logic ICs. In the broader component taxonomy, this device is a logic gate -> inverter -> digital logic IC -> semiconductor IC. These gates are ideal for level translation, signal inversion, clock buffering, and general-purpose logic glue in mixed-voltage systems where board space is critical and a single inverter is needed. Key features of the NC7SZ04P5X include ±24 mA high output drive at 3 V VCC, an over-voltage tolerant input that facilitates 5-V to 3-V translation, power-down high-impedance inputs/output, proprietary noise/EMI reduction circuitry, and propagation delay that matches LCX performance when operated at 3.3 V VCC. The device is also offered in an ultra-small MicroPak leadless package for space-constrained designs. Architecturally, the NC7SZ04P5X uses advanced CMOS with a standard CMOS input structure. The high output drive (±24 mA at 3 V VCC) means it can drive heavily loaded buses and long PCB traces while maintaining fast rise/fall times. The over-voltage tolerant input allows 5 V CMOS signals to be safely applied even when VCC is as low as 1.65 V, eliminating the need for external level shifters in many mixed-voltage designs. Typical applications include level translation between 5 V and 3.3 V logic domains, general-purpose logic inversion in handheld and portable devices, signal conditioning in battery-powered equipment, oscillator and clock-buffer building blocks, and fan-out for microcontroller GPIO in space-constrained designs. The SC-70-5 footprint makes it well suited when only a single inverter is required on a dense mixed-signal board. When designing with this device, route der through a 5-pin to keep the trace between the input pin and the source under 50 mm and place a 0.1 µF decoupling capacitor within 5 mm of the VCC pin to maintain power-rail noise immunity. The over-voltage tolerant input is a key design advantage in mixed-voltage systems where 5 V CMOS signals can be applied even when VCC is as low as 1.65 V, allowing true 5 V-to-3 V translation without external protection. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, including same-brand onsemi family members and pin-compatible cross-brand equivalents for second-source flexibility.
NC7SZ08L6X - Ultra-High-Speed 2-Input AND Gate | onsemi
The onsemi NC7SZ08L6X is a single two-input AND gate in the TinyLogic Ultra-High Speed family, operating from 1.65 V to 5.5 V in a 6-pin MicroPak package. It combines fast propagation performance with high output drive and low static power dissipation across a broad supply range. The L6X ordering code identifies the onsemi surface-mount package and tape-and-reel shipping configuration. A logic AND gate is a combinational digital component that produces a high output only when every input is high. This gate belongs to the hierarchy of CMOS logic gates, digital logic ICs, semiconductors, and broader digital electronics. A single two-input gate is useful when a design requires basic Boolean AND behavior in compact routing, signal conditioning, control logic, or low-power digital interfaces. The NC7SZ08 is fabricated with advanced CMOS technology. Its specified 1.65 V to 5.5 V supply operation supports both low-voltage digital systems and conventional 3.3 V or 5 V rails. The TinyLogic UHS positioning emphasizes ultra-high-speed operation while retaining low static power dissipation. These characteristics make the device appropriate where logic transitions must be handled quickly without using a larger multi-gate package. The verified distributor listings identify the NC7SZ08L6X as an AND gate IC with one channel, two inputs, and a 6-MicroPak package. Available source material confirms the TinyLogic UHS 2-input AND function and CMOS technology. Exact propagation-delay, output-current, input-threshold, and temperature values were not supplied in the retrieved source data and therefore are not asserted here. Typical uses include low-voltage control logic, digital signal routing, status-flag generation, and compact embedded systems where a dedicated two-input AND function is preferable to implementing the Boolean operation in a larger programmable or multipurpose logic device. Designers should also consider whether the required logic family, supply voltage, input levels, and timing satisfy the system requirements. For PCB layout, keep the unused input connected to a defined logic level rather than leaving it floating, and place the device close to the signals it serves. Confirm the exposed-pad or thermal-pad requirements in the manufacturer package drawing and verify the pin mapping against the applicable datasheet before releasing a layout. This product page combines verified distributor identity, package information, pricing references, technical context, and replacement guidance. It distinguishes confirmed facts from parameters that still require direct confirmation from the manufacturer datasheet, helping engineers make sourcing and design decisions without relying on unsupported assumptions.
NC7SZ125M5X - UHS Single Buffer, 3-State, SOT-23-5 | onsemi
The onsemi NC7SZ125M5X is a single non-inverting buffer with 3-STATE capability, fabricated with advanced CMOS technology to deliver ultra-high speed (UHS) switching with high output drive while maintaining low static power dissipation. Housed in a 5-pin SOT-23 (M5) surface-mount package, the device operates across a wide 1.65 V to 5.5 V VCC range, supports ±24 mA output drive at 5 V, and features a typical propagation delay of approximately 2.6 ns at 5 V VCC, making it well suited for high-speed signal conditioning in mixed-voltage systems. The 3-STATE output is controlled by an active-low output enable (OE) pin, allowing bus-oriented applications and easy interface to microcontrollers, ASICs, and FPGAs. A non-inverting buffer (also called a line driver or signal repeater) is a single-input, single-output logic function that reproduces the logic level present at its input at the output, providing current gain and isolation between a weak source and a heavier load. Within the broader logic IC hierarchy, this part belongs to the TinyLogic UHS family from onsemi, a subset of CMOS logic gates that trade absolute speed for low power consumption. The 3-STATE output allows multiple buffers to share a common bus, with the disabled buffer entering a high-impedance state to avoid contention. The SOT-23-5 package is one of the most ubiquitous footprints in modern surface-mount design. Key features of the NC7SZ125M5X include balanced propagation delays, very low quiescent current (typically 1 µA at room temperature), ±24 mA output drive at 5 V (enabling direct drive of LEDs or small relays), and a wide VCC operating range that makes it compatible with 1.8 V, 2.5 V, 3.3 V, and 5 V logic families. The device contains a single Schmitt-trigger input, providing hysteresis for slow or noisy input edges. Tape and reel packaging (suffix X) supports high-volume automated assembly. From a technical perspective, the NC7SZ125M5X uses a standard CMOS push-pull output stage. The output enable pin OE is internally pulled high through a weak pull-up, so the output remains in high-impedance until actively driven low. Input structures tolerate voltages up to 5.5 V regardless of VCC, allowing level translation between 1.8 V and 5 V domains. ESD protection exceeds 2000 V HBM per industry standards, and latch-up immunity is rated above 100 mA per JESD78. Typical applications include signal buffering between low-drive microcontroller GPIOs and heavier loads such as LEDs, level translation between mixed-voltage logic domains (e.g., 1.8 V to 3.3 V), bus isolation and multiplexing in distributed systems, and general-purpose logic inversion-free signal restoration in handheld and battery-powered designs. In industrial PLCs, it isolates backplane logic from field-side noise. In consumer audio and wearables, it buffers buttons or I2C lines between SoCs and accessory connectors. When designing with this part, ensure OE is driven to a defined logic level rather than left floating, especially in noisy environments, to avoid inadvertent bus contention. Place a 0.1 µF decoupling capacitor close to the VCC pin to suppress logic-stage switching transients, and avoid exceeding the absolute maximum VCC of 6 V. This TinyLogic buffer excels where a single-bit driver, three-state capability, and tiny footprint are required simultaneously. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, comparison parameters, and practical design notes that go beyond what is printed in the manufacturer datasheet alone, giving engineers a faster path from selection to validated PCB layout.
NC7SZ125M5X-L22090 - TinyLogic UHS Buffer 3-State SOT-23-5 | onsemi
The onsemi NC7SZ125M5X-L22090 is a TinyLogic Ultra-High Speed (UHS) single non-inverting buffer with a three-state output, fabricated in advanced CMOS to deliver high output drive and ultra-high switching speed while keeping static power dissipation minimal. Packaged in a 5-pin SOT-23 (M5), the device operates over a 1.65 V to 5.5 V VCC range, supports ±24 mA output drive at 4.5 V, and is rated for industrial -40 C to +85 C operation per the onsemi NC7SZ125 datasheet family. The active-low /OE enable pin allows bus-style multiplexing and high-impedance output when de-asserted. A buffer in CMOS logic is a non-inverting driver that copies a digital input to its output while providing isolation and current amplification between source and load. Buffers belong to the broader family of logic ICs under digital signal conditioning, alongside inverters, transceivers, and line drivers; TinyLogic UHS parts sit at the high-speed end of this taxonomy, optimized for short propagation delay and high fan-out within a small SOT-23 outline. Key specifications include a propagation delay (tPD) of approximately 2.6 ns at 5 V, output drive of ±24 mA at 4.5 V VCC, quiescent current well under 10 uA across the supply range, and TTL-compatible inputs when VCC is at 4.5 V to 5.5 V. The /OE pin features an internal pull-up so the output defaults to high-impedance (effectively disabled) if the pin is left floating, simplifying power-up behavior in mixed-voltage buses. The NC7SZ125 architecture uses a single-stage CMOS inverter/buffer chain with a tri-state output totem pole. Because the silicon is specified over 1.65 V to 5.5 V, the same footprint can serve 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains, making it ideal as a voltage-level translation element when driven from a lower-voltage controller I/O into a higher-voltage bus. Typical applications include point-to-point signal buffering in portable and consumer devices, I/O expansion for microcontrollers, address/data bus isolation in memory and display interfaces, and translation between logic domains in mixed-voltage systems. It is also commonly used as a high-impedance power-gating switch for sub-system rails. When designing with this part, place a 0.1 uF decoupling capacitor as close as possible to the VCC pin, and treat the SOT-23-5 thermal pad (when present) as a low-impedance ground return. Avoid driving large capacitive loads (>50 pF) without series damping, because the high drive strength can create ground-bounce issues on tightly-routed boards. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the onsemi datasheet alone, giving engineers a faster decision path for cross-brand or second-source selection.
NC7WZ14EP6X - UHS Dual Inverter Schmitt Trigger SC-70-6
The onsemi NC7WZ14EP6X is a dual Schmitt-trigger inverter from the TinyLogic Ultra-High Speed (UHS) Series, packaged in a 6-pin SC-88 (SC-70-6) surface-mount outline. It operates from 1.65 V to 5.5 V VCC, delivers ±24 mA of balanced output drive at 4.5 V, and achieves typical propagation delays of about 2.0 ns at 5 V. The on-suit Schmitt trigger hysteresis on each input cleans up slow or noisy edges, making the part well suited for signal conditioning in mixed-voltage digital designs. A Schmitt-trigger inverter is a single-input logic gate that outputs the logical complement of its input while adding positive feedback to define two distinct switching points (VT+ and VT-). The hysteresis voltage (typically ~1 V at 5 V) rejects noise on slowly rising or ringing edges that would otherwise chatter a standard CMOS inverter. In the broader TinyLogic family tree it sits beside standard inverters (NC7WZ04) and buffers (NC7WZ17) as the noise-immune variant. Key features of the NC7WZ14EP6X include 1.65 V to 5.5 V VCC operation, ±24 mA output drive at 4.5 V, balanced 4 mA sink/source at 3 V, a propagation delay near 2 ns at 5 V, Schmitt trigger inputs on both channels, and a quiescent current below 1 uA. The SC-88 package with a -40 C to +85 C operating range suits portable and industrial designs where board area is critical. Internally, NC7WZ14EP6X uses advanced sub-micron CMOS to combine very high speed with low static power dissipation across the full VCC range. Two independent inverters share only GND and VCC, simplifying layout. The balanced ±24 mA drive at 4.5 V lets outputs drive long PCB traces or several CMOS loads while keeping edges fast. Typical applications include logic-level translation, oscillator and relaxation-circuit building blocks, debouncing mechanical switches, waveform shaping for sensor outputs, and general-purpose inversion in portable consumer, computing and IoT hardware. It is widely used as a companion to microcontrollers where a clean digital signal is needed. When laying out the SC-88 footprint, place a 0.1 uF VCC decoupling capacitor within about 3 mm of pin 6, keep input traces short to preserve hysteresis noise rejection, and avoid running outputs near analog sections. The -EP6X suffix marks a 3000-piece tape-and-reel packing, -P6X denotes SC-88 (tape and reel), and -P6 marks the same SC-88 on tape. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical layout notes that are not bundled together in the manufacturer datasheet.
NL27WZ125USG - Dual Buffer, 3-State, US8 | onsemi
The onsemi NL27WZ125USG is a high-performance dual non-inverting buffer with 3-state outputs, fabricated in CMOS technology and operating from a 1.65 V to 5.5 V supply rail. Housed in the compact 8-pin US8 (MicroPak) surface-mount package, each of the two independent buffers features an active-low output enable (OE) pin that places the output in a high-impedance state when asserted. The device provides ±24 mA balanced output sink and source drive capability at 3 V VCC, ensuring strong drive strength for high-fanout or heavily loaded signal lines. Background: A logic buffer (also called a line driver) is a non-inverting digital building block whose primary function is to amplify the current drive of a digital signal without changing its logic level. Buffers sit in the signal path between a low-power source (microcontroller GPIO, ASIC output, or another logic device) and a load that demands more current than the source can supply (long PCB traces, multiple receivers, bus participants, or low-impedance loads). Buffers with 3-state outputs extend this role by adding a high-impedance state, allowing multiple drivers to share a common bus (bus arbitration) without contention. The NL27WZ125USG is a dual buffer (two buffers in one package) with 3-state outputs, occupying the mid-position in the logic hierarchy: gate -> buffer/inverter -> flip-flop -> complex function. Key features include 24 mA balanced output drive, LVTTL/LVCMOS compatibility with 5 V TTL when VCC = 3 V, near-zero static supply current, and very low quiescent supply current. The 3-state OE input is active-low (logic 0 enables the output, logic 1 places it in high-impedance). The US8 package offers an extremely small footprint ideal for portable and space-constrained applications, and the device is specified over the -40C to +85C commercial operating temperature range. The NL27WZ125USG is pin-compatible with and serves as a direct replacement for the industry-standard NC7WZ125, allowing drop-in substitution in legacy designs. The CMOS architecture delivers low power consumption, low propagation delay (typically a few nanoseconds at 5 V), and minimal signal degradation. Typical applications include bus interface buffering, signal isolation, level shifting between logic domains (with external pass elements), LED driver control, and general-purpose logic interfacing in portable electronics, IoT devices, and consumer products. When designing with this part, observe input rise/fall time limits to avoid excessive supply current, and ensure the OE pin is never left floating (tie to GND through a resistor or to VCC to define the default state). Decouple VCC with a 0.1 uF ceramic capacitor placed close to the supply pin. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical design notes that complement the manufacturer datasheet.
NLSV1T34DFT2G - 1-Bit Dual-Supply Level Translator | onsemi
The onsemi NLSV1T34DFT2G is a 1-bit configurable dual-supply non-inverting voltage level translator housed in a 6-pin SC-88A (SC-70-5/SOT-353) package, supporting independent VCCA and VCCB rails each configurable from 0.9 V to 4.5 V. According to the onsemi datasheet, the input An port and output Bn port are designed to track two different power supply rails, allowing universal low-voltage translation between domains such as 1.8 V GPIO and 3.3 V peripherals, or 1.2 V processor I/O and 1.8 V sensors. A voltage level translator is an interface IC that bridges two subsystems operating at different supply voltages without requiring level-shifting buffers at every GPIO. Within the broader taxonomy, the NLSV1T34 belongs to the logic IC family, specifically the voltage level shifters / bus translators subcategory. The dual-rail architecture allows VCCA and VCCB to be powered up or down in any sequence, which simplifies hot-swap and power-rail-crossing designs in mixed-voltage products. Key features include a wide 0.9 V to 4.5 V supply range on each rail, push-pull CMOS output drive, -40 C to +85 C operating temperature, and a power-off isolation scheme that prevents back-feeding when either rail is unpowered. The translator supports data rates suitable for I2C, UART, GPIO, and low-speed serial interfaces, and is fully specified over the industrial temperature range for harsh-environment designs. The device uses a passive MOSFET-based translation cell with edge accelerators, giving a typical propagation delay of a few nanoseconds and near-zero static quiescent current. Because the part is a pure pass-through translator, it is bidirectional in the sense that the same port can be driven from either side, although the standard use is An as input and Bn as output per the datasheet's reference schematic. Typical applications include IoT sensor modules bridging a 1.8 V sensor to a 3.3 V MCU, SD card or SIM card interfaces, I2C bus level shifting between 1.2 V and 3.3 V rails, mobile and wearable platforms, and portable consumer devices that need to mix 0.9 V application processors with 1.8 V or 3.3 V peripherals. When designing with this part, place it as close as possible to the lower-voltage domain to minimize the length of the untranslated trace, and add a 0.1 uF decoupling cap on each VCC pin. The device is not designed to drive heavy loads, so for high-current or high-speed signals (MIPI, USB, LVDS) use a dedicated buffer instead. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that are not consolidated in the manufacturer datasheet, giving engineers a single reference for sourcing, replacement, and application of the NLSV1T34DFT2G.
NOPB - TI Lead-Free Package Suffix Designator | Texas Instruments
The Texas Instruments NOPB is a part-number suffix designator (not a standalone IC) that denotes a lead-free, RoHS-compliant packaging option originally inherited from National Semiconductor's ordering system. The suffix is appended to a base MPN (for example LM338T/NOPB, LM75AIMX/NOPB, LM317S/NOPB) and indicates that the device ships in lead-free terminal finish compliant with the European Union RoHS Directive (2011/65/EU) and subsequent amendments. In the broader taxonomy of electronic component identification, a part-number suffix is a vendor-defined ordering code that distinguishes packaging, reel orientation, lead finish, or qualification grade without changing the underlying silicon die. NOPB specifically maps to the "no lead / no Pb" descriptor: Pb is the chemical symbol for lead, and the suffix signals that the external lead-frame or terminal plating contains no intentionally added lead. This is a packaging-level attribute, not a silicon-level attribute, and is functionally orthogonal to the electrical specifications of the device it qualifies. Key identifying features include: (1) the literal string "/NOPB" appended after the base MPN with a forward slash separator, (2) a matte tin (Sn) or Sn-Ag-Cu lead-frame finish, (3) peak-package reflow temperature compatibility with the JEDEC J-STD-020 classification for lead-free soldering (typically 260 C peak), and (4) backwards compatibility with mixed-metal (Sn-Pb and lead-free) assembly lines when peak temperatures are properly profiled. A companion suffix "/NOPB" in modern TI datasheets is functionally equivalent to the older "PBFREE" or "Lead-Free" markings used by other vendors. From an engineering standpoint, the most important consideration when handling a NOPB-qualified device is thermal profile management during board assembly. Lead-free finishes require peak reflow temperatures of approximately 245-260 C versus the 215-225 C window historically used for Sn-Pb eutectic processes. Devices that were originally specified with the older tin-lead finish must be requalified for the new thermal profile, which TI documents in each device's mechanical outline drawing and in the company's packaging terminology guide. Moisture Sensitivity Level (MSL) classification per JEDEC J-STD-033 also affects floor-life and dry-pack requirements. Typical applications for the NOPB suffix include any commercial, industrial, or automotive system that must be RoHS-compliant for sale into the European Union, California (USA), China, or any other jurisdiction that has adopted substance-restriction regulations similar to RoHS. Engineers sourcing parts for these regions should explicitly order the NOPB (or equivalent) variant. A practical procurement tip: the absence of NOPB from a base MPN does not always mean the part is non-RoHS. Many modern TI base MPNs default to lead-free finishes without requiring the suffix. Always check the device's data sheet "Lead finish" or "Terminal finish" entry, and confirm RoHS compliance via the manufacturer's declaration. This page synthesizes the NOPB suffix meaning, packaging terminology, RoHS context, and drop-in ordering alternatives (such as the legacy "/PB" or "/LEADFREE" suffixes) that engineers may encounter on older National Semiconductor or TI datasheets not found in the manufacturer's single datasheet.
NTB0102GT,115 - 2-Bit Auto-Direction Level Translator | NXP
The NXP Semiconductors NTB0102GT,115 is a 2-bit dual-supply translating transceiver with auto direction sensing and 3-state outputs, delivering bidirectional voltage level translation at data rates up to 100 Mbps in an 8-pin XSON SOT833-1 package measuring just 1.95 mm x 1 mm. A dual-supply translating transceiver is a logic IC that bridges two voltage domains on a PCB - for example a 1.8 V microcontroller port and a 3.3 V or 5 V peripheral. It sits within the logic IC family hierarchy under voltage level translators and bus transceivers, forming part of the broader power management and interface logic ecosystem. Unlike direction-controlled translators, auto-direction sensing devices detect data flow automatically, removing the need for a DIR control pin. Key features include dual supply rails - VCC(A) from 1.2 V to 3.6 V and VCC(B) from 1.65 V to 5.5 V - a fast 4.8 ns propagation delay, automatic direction sensing on both I/O ports, and a shared output enable (OE) input that 3-states both ports for bus isolation. The 100 Mbps data rate comfortably covers I2C, SPI, UART, and general-purpose GPIO translation. Architecturally, the NTB0102 uses NXP's auto-direction sensing scheme with open-drain style I/O structures and integrated 10 kohm pull-up resistors on the A-side, so the dominant driver determines direction on a per-bit basis without host intervention. This eliminates bus contention and firmware overhead in mixed-voltage systems. Typical applications include translating SPI or I2C buses between 1.8 V MCUs and 3.3 V sensors, level-shifting UART links in battery-powered products, and interfacing 5 V legacy peripherals to low-voltage processors. Design consideration: because auto-direction translators rely on weak pull-ups, use them with push-pull, lightly loaded buses; heavily capacitive or resistive loads reduce the effective data rate. This page adds value beyond the datasheet with verified drop-in alternatives, distributor pricing context, FAQ answers to real engineer queries, and practical design notes.
NTB0102GT,115 - 2-Bit Auto-Direction Level Translator | NXP
The NXP Semiconductors NTB0102GT,115 is a 2-bit dual-supply translating transceiver with auto direction sensing, delivering bidirectional voltage level translation at data rates up to 100 Mbps in a space-saving 8-pin XSON SOT833-1 package measuring just 1.95 x 1 mm. A dual-supply translating transceiver is a type of voltage level shifter within the broader logic IC family. Its role in the system hierarchy is to bridge digital domains operating at different supply voltages - for example a 1.8 V microcontroller port communicating with a 3.3 V peripheral. Unlike direction-controlled transceivers, auto direction sensing parts eliminate a DIR pin, using the data itself to determine signal flow, which simplifies firmware and board design. Key features include a VCC(A) supply range of 1.2 V to 3.6 V and a VCC(B) range of 1.65 V to 3.6 V, supporting virtually any low-voltage logic pairing including 1.2 V to 3.3 V translation. The output enable (OE) input 3-states all I/Os when low, and partial power-down operation (Ioff) protects both supplies during power sequencing. The 100 Mbps throughput comfortably covers I2C-fast-class, SPI, UART, and general-purpose GPIO translation. Architecturally, the NTB0102 uses a transmission-gate based topology with pull-up keepers on each I/O. Because the keepers are weak, bus holding is suitable for lightly capacitive lines; strongly driven push-pull sources on either side determine direction dynamically. This makes the part ideal for point-to-point links rather than heavily loaded multidrop buses. Typical applications include microcontroller-to-peripheral GPIO and SPI translation, open-drain I2C and SMBus bus translation with appropriate pull-ups, and level shifting between low-voltage FPGA or SoC banks and 3.3 V system logic. Design consideration: the weak bus keepers mean the NTB0102 is best suited to push-pull driven signals; for heavily loaded multidrop buses, consider the push-pull driver NTS0102 family variant instead. This page synthesizes distributor pricing context, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with all data verified as of 2026-10-19.
NTE74LS08 - Quad 2-Input AND Gate, TTL LS, DIP-14 | NTE Electronics
The NTE Electronics NTE74LS08 is a Low-Power Schottky TTL logic integrated circuit containing four independent 2-input positive AND gates in a 14-lead plastic DIP (PDIP-14) through-hole package. It operates from a 4.75V to 5.25V supply, delivers up to 8.8 mA output drive, and features a typical propagation delay of 20 ns at 5V with a 15 pF load. A quad AND gate is a combinational logic device whose output goes HIGH only when both of its inputs are HIGH; the 'quad 2-input' designation means the package integrates four such gates sharing only power and ground. AND gates form the foundation of digital logic hierarchy, sitting alongside NAND, OR, and NOT gates within the broader transistor-transistor logic (TTL) family and the wider class of small-scale integration (SSI) logic ICs. Key features of the NTE74LS08 include Low-Power Schottky (LS) process technology, which uses Schottky-clamped transistors to combine the speed of standard TTL with significantly reduced power consumption, a commercial temperature grade suitable for bench and service environments, and through-hole mounting ideal for prototyping, breadboarding, and repair work. Each gate output sinks and sources current compatible with other TTL and many CMOS loads. Architecturally, the LS family's Schottky diode clamping prevents transistor saturation, cutting storage time and enabling propagation delays around 20 ns while keeping per-gate power draw low relative to standard 7400-series TTL. The NTE74LS08 is NTE Electronics' direct replacement numbering for the industry-standard 74LS08 function, widely used in maintenance, repair, and overhaul (MRO) contexts. Typical applications include legacy industrial control logic, address decoding in vintage computing and test equipment, signal interlock and enable-gating circuits in instrumentation, and educational digital logic laboratory work. The through-hole DIP-14 package makes it especially well suited to socketed replacements on older PCBs. A key design consideration: as a bipolar TTL device, unused inputs should not be left floating - tie them to VCC through a 1 kOhm to 10 kOhm resistor or to a driven output to avoid noise-induced oscillation. This page synthesizes distributor pricing, drop-in alternatives, a full DIP-14 pinout, and practical design notes not found in the manufacturer datasheet. Note that NTE Electronics permanently closed operations in late 2024, so stock is available only through remaining distributor and excess inventory channels; the industry-standard equivalents listed here are the recommended path for new designs.