NC7S02M5X-L22090 - TinyLogic HS 2-Input NOR Gate | onsemi
Teilenummer: NC7S02M5X-L22090 ✓ Aktiv| Menge | Stückpreis | Gesamt |
|---|---|---|
| 1 | $0.098 | $0,10 |
| 10 | $0.094 | $0,94 |
| 100 | $0.0892 | $8,92 |
| 500 | $0.0803 | $40,15 |
| 1.000 | $0.074 | $74,00 |
NC7S02M5X-L22090 Übersicht
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.
Drop-in-Alternativen für NC7S02M5X-L22090 – gleiches Gehäuse, Pin-kompatibel. Bauteile mit anderem Gehäuse, die eine PCB-Überarbeitung erfordern, sind ausgeschlossen.
Schnellvergleichstool – Wählen Sie Alternativbauteile für den Direktvergleich:
NC7S02M5X
✅ Drop-In✓ Auf Lager
$0.07 / Stück
Datenblatt ansehen →NC7SZ02M5X
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
NC7SP02M5X
✅ Drop-In ⚠️ Spezifikationen ungeprüft📋 Referenzalternative (nicht im Katalog)
NC7S02M5X-L22090 Grenzwerte & elektrische Eigenschaften
| Logic Function | 2-Input NOR Gate (single channel) |
| Family | TinyLogic HS (NC7S) |
| Supply Voltage Range | 2.0 V to 6.0 V |
| Technology | Advanced Silicon Gate CMOS |
| Input Protection | ESD protection diodes on inputs and output to VCC and GND |
| Internal Stages | Three stages of gain (buffered output) |
| Anzahl der Pins | 5 |
| Gehäuse | SOT-23-5 (TSOP-5 / M5) |
| Montageart | Surface Mount |
| Terminal Form | Gull Wing |
| Package Body Material | Plastic/Epoxy |
NC7S02M5X-L22090 Pin-Konfiguration
| Pin 1 | A — NOR gate input A |
| Pin 2 | GND — Ground (0 V reference) |
| Pin 3 | B — NOR gate input B |
| Pin 4 | Y — NOR gate output (LOW when both A and B are HIGH) |
| Pin 5 | VCC — Positive supply, 2.0 V to 6.0 V; decouple with 100 nF to GND |
Typische Anwendungen
NC7S02M5X-L22090 ist geeignet für 6 Anwendungs: Microcontroller Glue Logic, RC Oscillator and Clock Generation, Portable and Battery-Powered Consumer Devices, Pulse Stretching and Delay Generation, Industrial Control and Signal Conditioning, FPGA and ASSP Configuration and Enable Logic.
Microcontroller Glue Logic
In microcontroller-based systems, the NC7S02M5X-L22090 combines chip-select, enable and read/write signals into single control lines without dedicating a full quad-NOR package. Its SOT-23-5 footprint occupies roughly 3 mm of board edge, and the buffered three-stage CMOS output delivers clean, fast edges into MCU GPIO and FPGA inputs. Because the TinyLogic HS family maintains consistent propagation delay across the 2.0V-6.0V supply range, timing margins for address decoding remain predictable in both 3.3V and 5V systems. Place the gate physically close to the MCU to keep stub lengths short; a 100 nF local decoupling capacitor on pin 5 suppresses supply droop when the output switches under load. Compared with discrete transistor gating, this part offers defined logic thresholds and ESD-protected inputs.
Empfohlen
RC Oscillator and Clock Generation
A single 2-input NOR gate biased into its linear region with a resistor-capacitor network forms a compact RC oscillator, a classic use of one-gate packages like the NC7S02M5X-L22090. The three stages of internal gain and high noise immunity specified in the onsemi datasheet give stable switching thresholds, producing a cleaner square wave than single-transistor oscillators. This suits low-cost clock sources for watchdog refresh, LED PWM carriers, and baud-rate references in cost-sensitive consumer products. Oscillator frequency follows the standard 1/(2.2RC) approximation and depends on VCC-driven thresholds, so calibrate with the actual supply rail. Keep the RC node trace short and guard it from fast digital lines to avoid jitter; the SOT-23-5 package's tight pin spacing helps minimize loop area.
Empfohlen
Portable and Battery-Powered Consumer Devices
Battery-powered products benefit from the NC7S02M5X-L22090's CMOS static power profile and tiny 5-pin package. Typical roles include power-rail gating, active-low enable combining (e.g., ON/OFF switch AND low-battery flag into an active-high regulator enable), and mode-selection logic in wearables, remotes and portable instruments. The broad VCC range of the TinyLogic HS family allows direct connection to partially discharged lithium or alkaline stacks within rated limits, per the onsemi NC7S02 datasheet. ESD protection diodes on inputs and output improve assembly-line robustness where operator handling is uncontrolled. For maximum battery life, ensure inputs never float during sleep states - tie them through defined paths - and verify quiescent current figures in the datasheet when estimating total system standby drain.
Empfohlen
Pulse Stretching and Delay Generation
Using an RC network from output to input, the NC7S02M5X-L22090 implements single-gate pulse stretchers and rising/falling-edge delays - functions frequently needed to width-narrow interrupt pulses for MCUs or to sequence power-good signals. The gate's buffered output isolates the timing node from the load, so delay accuracy is set mainly by R, C and threshold levels rather than downstream loading, an advantage of the three-stage architecture described in the onsemi datasheet. Delay values from microseconds to tens of milliseconds are practical with common R and C values; account for threshold spread over VCC and temperature in worst-case analysis. Keep the timing capacitor's ground return local and avoid routing the RC node under switching traces to prevent false triggering from capacitive coupling.
Empfohlen
Industrial Control and Signal Conditioning
On industrial 5V and 24V-referenced boards (with appropriate level shifting), the NC7S02M5X-L22090 serves as interlock logic, alarm combining (active-low signals NORed into one fault line), and safety-interlock gating between sensors, PLCs and actuators. The high noise immunity of the TinyLogic HS family's three-stage output, emphasized in the onsemi datasheet, plus ESD-protected pins make the part tolerant of electrically harsh cabinets and long interconnects. Its small footprint also lets designers place logic at the point of need - next to a connector or relay driver - instead of routing signals back to a central logic IC, shortening loops and improving noise performance. Verify the operating temperature grade in the datasheet against the cabinet environment before qualification.
Empfohlen
FPGA and ASSP Configuration and Enable Logic
FPGA and ASSP power-up sequences frequently require combining power-good, reset and configuration-done signals into a single enable or reset input - an ideal job for one SOT-23-5 NOR gate. The NC7S02M5X-L22090's fast, buffered output provides a sharp reset release edge, and its rail-referenced CMOS thresholds match the 3.3V bank levels common on FPGA I/O. Because only a single gate is needed, the solution avoids the cost and space of a 74x02 quad package on densely routed boards. Per the onsemi datasheet, the three-stage design reduces sensitivity of the output stage to input transition time, which matters when RC-filtered power-good signals ramp slowly. Add a pull-down/up on inputs so rails are deterministic during brownout.
Empfohlen
Zusammenfassung der empfohlenen Produkte
Technische Referenzdaten für NC7S02M5X-L22090 – Vergleich, Designhinweise und Compliance-Informationen.
Auswahlhilfe
Vergleich mit Alternativen
| Parameter | Dieses Produkt | NC7S02M5X | NC7SZ02M5X | NC7SP02M5X |
|---|---|---|---|---|
| Package | SOT-23-5 (M5) | SOT-23-5 - same | SOT-23-5 - same | SOT-23-5 - same |
| Brand | onsemi | onsemi | onsemi | onsemi |
| Logic Function | 2-Input NOR (1 channel) | 2-Input NOR (1 channel) | 2-Input NOR (1 channel) | 2-Input NOR (1 channel) |
| Logic Family | TinyLogic HS (NC7S) | TinyLogic HS (NC7S) | TinyLogic Ultra (NC7SZ) | TinyLogic Ultra-Low Power (NC7SP) |
Wichtigste Unterscheidungsmerkmale
- Guaranteed drop-in identity with the catalog part (vs. NC7S02M5X)
- Faster family option with same footprint (vs. NC7SZ02M5X)
- Balanced speed/power vs ultra-low-power variant (vs. NC7SP02M5X)
Designhinweise
Place a 100 nF ceramic decoupling capacitor directly across pins 5 (VCC) and 2 (GND) within a few millimeters of the package, with a short via to the ground plane. Although a single gate draws little average current, its buffered output transitions are fast and can starve the local rail during simultaneous switching in nearby gates. If multiple TinyLogic gates share a board region, one 1 uF bulk capacitor per 5-10 gates is a reasonable补充 alongside per-gate 100 nF caps. Estimated guidance based on standard CMOS single-gate layout practice, not a datasheet figure.
Never leave NOR gate inputs floating. In CMOS parts like the NC7S02, an undefined input can bias internal stages into their linear region, causing oscillation, elevated quiescent current, and uncontrolled output - a common field-failure cause in designs where a pull-up was assumed but omitted. Tie unused or conditionally driven inputs to VCC or GND through a defined connection (a 100k resistor is typical for optional signals). Also remember NOR logic is active-LOW in behavior: a failing upstream open-drain signal pulled high will force the output LOW, so verify polarity against the truth table, not intuition.
The NC7S02's three-stage buffered output produces relatively fast edges for a TinyLogic part. Keep the output trace short (< 50 mm for casual routing) and add a small series resistor (22-33 ohm, estimated value) at the driver when the trace crosses a connector or exceeds about 100 mm, to damp reflections and reduce EMI. Avoid routing the output adjacent to high-impedance analog nodes or the RC timing node in oscillator/delay applications, where output coupling can cause jitter or spurious switching.
Compliance-Informationen
Compliance data not stated in the verified web snippets. onsemi shipping suffixes conventionally indicate specific packing/compliance configurations, but this must be confirmed on the official onsemi product page or DigiKey compliance tab before use.
