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onsemi NC7ST08L6X
- Part No.:
- NC7ST08L6X
- Manufacturer:
- onsemi
- Category:
- Gates and Inverters
- Package:
- -
- Datasheet:
-
NC7ST08L6X.pdf
- Description:
- IC GATE AND
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Product details
Overview
NC7ST08L6X from Fairchild Semiconductor is a single 2-input CMOS AND gate with TTL-compatible inputs, designed for level translation and logic interfacing in space-constrained digital systems. It operates from 4.5 V to 5.5 V, delivers ±2 mA output drive, achieves 6 ns typical propagation delay at 5 V/15 pF, and consumes <1 µA quiescent current. It is used in portable instrumentation control signal conditioning.
For engineers reviewing the NC7ST08L6X datasheet, pinout, applications, or equivalent options, key selection criteria include microPak package footprint compatibility, TTL-to-CMOS input interface capability, low-power static operation, and 5 V logic-level output swing compliance.
Technical Context
The NC7ST08L6X implements a single 2-input AND function using advanced silicon-gate CMOS technology, enabling TTL-compatible input thresholds (VIH = 2.0 V min, VIL = 0.8 V max) while maintaining CMOS output characteristics. Its high-noise-immunity design uses high-gain circuitry to reduce sensitivity to input edge rate variations.
It supports rail-to-rail output swing (VOL ≤ 0.26 V at IOL = 2 mA, VOH ≥ 4.18 V at IOH = −2 mA) and features inherent ESD protection diodes on all inputs and output referenced to VCC and GND. Operating temperature range is −40°C to +85°C with guaranteed performance across 4.5–5.5 V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Single 2-input AND gate (Y = A · B) |
| Supply Voltage Range | 4.5 V to 5.5 V - ensures compatibility with standard 5 V digital systems |
| Propagation Delay | 6 ns typical at VCC = 5.0 V, CL = 15 pF - enables use in sub-100 MHz timing paths |
| Output Drive | ±2 mA - sufficient for driving multiple 74HCT inputs or short PCB traces |
| Quiescent Current | <1 µA at VCC = 5.5 V - critical for battery-powered standby modes |
| Input Compatibility | TTL-compatible (VIH ≥ 2.0 V, VIL ≤ 0.8 V) - allows direct connection to legacy TTL outputs |
| ESD Protection | Inherent diode protection on all pins to VCC/GND - eliminates need for external TVS in most board-level designs |
Pinout & Package
The NC7ST08L6X is housed in a 6-lead MicroPak™ leadless package (JEDEC MO-220, 1.0 mm body width), requiring solder paste stencil and reflow-compatible land pattern per Fairchild's recommended layout (0.22 mm pad width, 0.95 mm pitch).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Input A | Active-high logic input; accepts TTL-compatible voltage levels |
| 2 | Input B | Active-high logic input; electrically identical to Pin 1 |
| 3 | No Connect | Internally unconnected; must be left floating or tied to GND per layout best practice |
| 4 | Ground (GND) | Reference return path for all internal circuitry and I/O |
| 5 | Output Y | CMOS-compatible push-pull output; drives HIGH/LOW based on AND truth table |
| 6 | Supply (VCC) | Positive power rail; decoupling capacitor required within 3 mm of this pin |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-small MicroPak package | 1.0 mm wide, 6-lead leadless footprint - reduces board area by >40% vs. SC70-5 |
| High noise immunity | High-gain internal circuitry minimizes false triggering from slow or noisy input edges |
| Balanced output drive | ±2 mA symmetric sourcing/sinking - simplifies termination and bus loading analysis |
| TTL-to-CMOS interface capability | Inputs meet VIH/VIL thresholds of 74LS/74F families - eliminates need for level-shifter ICs |
| Low dynamic power | 6 pF power dissipation capacitance (CPD) - limits ICCD increase under high-frequency switching |
Applications
| Industrial Sensor Interface | Portable Medical Device Logic |
|---|---|
Use Scenario: Interfacing analog sensor output comparators to a microcontroller's interrupt input where dual threshold confirmation is required before triggering. IC Role / Device Role / Timing Role: AND gate performing coincidence detection of two independent sensor alert signals. Use Value: Enables hardware-level signal validation without MCU firmware overhead; low ICC ensures minimal impact on battery runtime. | Use Scenario: Enabling power to an auxiliary display backlight only when both system-on and user-activated buttons are asserted. IC Role / Device Role / Timing Role: Enable logic gate controlling PMIC enable line in ultra-low-power wearable architecture. Use Value: Prevents accidental backlight activation; <1 µA ICC extends standby time beyond 30 days on coin-cell battery. |
| Automotive Body Control Module | Test Equipment Signal Conditioning |
Use Scenario: Combining door-open and ignition-OFF signals to activate interior lamp timeout circuitry. IC Role / Device Role / Timing Role: Level-translating AND gate interfacing 5 V discrete switch inputs to 5 V microcontroller GPIO. Use Value: TTL-compatible inputs accept direct connection to mechanical switches without pull-up resistors; −40°C to +85°C rating ensures under-hood reliability. | Use Scenario: Gating test pattern generator outputs before injection into DUT clock or reset inputs during automated functional testing. IC Role / Device Role / Timing Role: Signal-enable gate inserted between pattern source and device-under-test to prevent spurious startup. Use Value: 6 ns tPD ensures precise timing alignment; balanced drive prevents waveform distortion on 50 Ω coaxial paths. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 2-input AND gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G08DBVR | 3.3 V optimized (1.65–5.5 V), higher IOH/IOL (±32 mA), 5-pin SOT-23 package | Requires level-shifting for pure 5 V TTL input sources; better suited for mixed-voltage SoC interfaces | Select when interfacing to 3.3 V FPGAs or when higher drive strength is needed for capacitive loads >30 pF |
| 74AUP1G08GW,125 | Lower VCC range (0.8–3.6 V), ultra-low ICC (<0.9 µA), 5-pin SC-88 package | Not TTL-compatible; VIH = 0.65 × VCC - incompatible with 5 V input sources without external resistor divider | Select for battery-powered 1.8 V/2.5 V systems where 5 V input tolerance is unnecessary |
Compared with SN74LVC1G08DBVR and 74AUP1G08GW,125, the NC7ST08L6X uniquely supports direct 5 V TTL input interfacing in a 1.0 mm microPak footprint, making it optimal for retrofitting legacy 5 V logic while minimizing PCB real estate.
Availability
NC7ST08L6X is available at Aetrix Electronics and suitable for industrial sensor interface, portable medical device logic, and automotive body control module applications requiring stable component supply and long-term lifecycle support.
Supply support for NC7ST08L6X includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Fairchild Semiconductor was a U.S.-based semiconductor company specializing in power management, analog, and logic ICs before its acquisition by ON Semiconductor in 2016; its legacy logic portfolio remains widely deployed in industrial and automotive systems.
The NC7ST08L6X belongs to the TinyLogic® HST family, engineered for high-speed, low-power, small-footprint logic functions in space- and power-constrained digital subsystems operating at 5 V.
FAQ
What is the maximum operating temperature for the NC7ST08L6X?
The NC7ST08L6X is rated for continuous operation from −40°C to +85°C ambient temperature. This range is validated per the Recommended Operating Conditions table in the official datasheet, and junction temperature must not exceed 150°C under worst-case power dissipation. Derating applies above +70°C ambient depending on PCB copper area and airflow.
Does the NC7ST08L6X require external pull-up or pull-down resistors on its inputs?
No, the NC7ST08L6X does not require external pull-up or pull-down resistors on inputs A or B. Its TTL-compatible inputs have defined VIH and VIL thresholds (2.0 V and 0.8 V respectively), and unused inputs must be actively held HIGH or LOW per datasheet Note 2 - floating inputs are prohibited and may cause excessive ICC or metastability.
Can the NC7ST08L6X drive a 50 pF capacitive load reliably?
Yes, the NC7ST08L6X can drive a 50 pF capacitive load reliably: AC Electrical Characteristics specify tPLH/tPHL ≤ 20 ns and tTLH/tTHL ≤ 31 ns at CL = 50 pF and VCC = 5.0 V. Output drive capability (±2 mA) and low CPD (6 pF) ensure stable edge rates without overshoot or ringing on properly terminated traces.
Is the NC7ST08L6X pin-compatible with other TinyLogic variants like NC7ST32 or NC7ST86?
No, the NC7ST08L6X is not pin-compatible with NC7ST32 (dual 2-input OR) or NC7ST86 (2-input XOR), despite sharing the same MicroPak-6 package outline. Pin assignments differ: NC7ST08L6X uses Pins 1/A, 2/B, 3/NC, 4/GND, 5/Y, 6/VCC, whereas NC7ST32 assigns Pins 1/A1, 2/B1, 3/Y1, 4/GND, 5/A2, 6/VCC - functional and physical mapping is unique per device.
What is the purpose of the NC (No Connect) pin on the NC7ST08L6X?
The NC pin (Pin 3) on the NC7ST08L6X is internally unconnected and serves no electrical function. Per Fairchild's layout guidance, it may be left floating or tied to GND to improve thermal conduction and mechanical stability during reflow. It must never be connected to VCC or driven by external circuitry, as this violates absolute maximum ratings.
NC7ST08L6X Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Logic Type:
- -
- Number of Circuits:
- -
- Number of Inputs:
- -
- Features:
- -
- Voltage - Supply:
- -
- Current - Quiescent (Max):
- -
- Current - Output High, Low:
- -
- Input Logic Level - Low:
- -
- Input Logic Level - High:
- -
- Max Propagation Delay @ V, Max CL:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
NC7ST08L6X FAQ
1.How can I place an order for NC7ST08L6X through Aetrix?
Please submit a Request for Quotation (RFQ) for NC7ST08L6X on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for NC7ST08L6X reliable?
The price and inventory of NC7ST08L6X are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NC7ST08L6X is usually 5 days.
3.What payment methods are accepted for NC7ST08L6X?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NC7ST08L6X transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NC7ST08L6X?
NC7ST08L6X orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NC7ST08L6X order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for NC7ST08L6X?
For technical support, including NC7ST08L6X datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NC7ST08L6X requirements.
6.How does Aetrix verify that NC7ST08L6X is sourced from the original manufacturer or authorized distributors?
All NC7ST08L6X products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that NC7ST08L6X meets industry standards.
7.What is the process for return or replacement of NC7ST08L6X?
All NC7ST08L6X units undergo pre-shipment inspection (PSI). If there is an issue with NC7ST08L6X, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The NC7ST08L6X part is unused and in its original packaging.
Return procedure for NC7ST08L6X:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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