CMOS Inverter price in India
A CMOS inverter is a key component in digital electronics that outputs the logic complement of its input using complementary MOSFETs (NMOS and PMOS). Its advantages include low static power consumption, high noise immunity, and wide use in VLSI and digital logic circuits. In India, popular CMOS inverter ICs like CD4069 and 74HC04 are available, generally priced between ₹10 and ₹100, making them accessible for various users, including hobbyists and professionals. Understanding pricing, types, and buying considerations is important for sourcing these components for educational projects, prototyping, or commercial production.
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CMOS इन्वर्टर डिजिटल इलेक्ट्रॉनिक्स का एक प्रमुख घटक है जो पूरक MOSFETs (NMOS और PMOS) का उपयोग करके अपने इनपुट के लॉजिक पूरक को आउटपुट करता है। इसके लाभों में कम स्थैतिक बिजली की खपत, उच्च शोर प्रतिरोधकता और VLSI तथा डिजिटल लॉजिक सर्किट में व्यापक उपयोग शामिल हैं। भारत में, CD4069 और 74HC04 जैसे लोकप्रिय CMOS इन्वर्टर IC उपलब्ध हैं, जिनकी कीमत आमतौर पर ₹10 से ₹100 के बीच होती है, जिससे ये शौकिया और पेशेवर सहित विभिन्न उपयोगकर्ताओं के लिए सुलभ हो जाते हैं। शैक्षिक परियोजनाओं, प्रोटोटाइपिंग या व्यावसायिक उत्पादन के लिए इन घटकों की सोर्सिंग के लिए मूल्य निर्धारण, प्रकार और खरीद संबंधी विचारों को समझना महत्वपूर्ण है।
Current Price Table
The text outlines current prices for CMOS inverters and inverter ICs in India, noting they can vary by seller, quantity, and brand.
| Part / Model | Description / Notes | Approx Price (INR) | Seller / Source |
| CD4069 Hex Inverter (DIP‑14) | Six unbuffered CMOS inverter gates in one IC | ~ ₹22 | Robomart |
| CD4069 (Indian Hobby Center) | Same as above, alternate seller | ~ ₹19 | Indian Hobby Center |
| 74HC04 (SMD, SOIC‑14) | Hex inverter, high‑speed CMOS | ~ ₹9.90 | ElectronComponents |
| 74HC04 (SOIC‑14) | Alternate listing | ~ ₹11.00 | QuartzComponents |
| CD4049‑HLF CMOS Hex Inverter IC | Another CMOS inverter family | ~ ₹16.00 | Robu India |
| Texas Instruments CD74HCT14E | Schmitt‑trigger / inverted types | ~ ₹97.47 | Tanotis India |
| Toshiba 74HC04D Hex CMOS Inverter | Pack of 50 units | ~ ₹23 (each, exc. GST) | RS / Toshiba listing |
Types of CMOS Inverters
Static CMOS Inverter
- Classic configuration with one PMOS and one NMOS transistor.
- Low static power, stable behavior, and low leakage.
Dynamic CMOS Inverter
- Uses clocked switching with phased operation (precharge/evaluation).
- Higher speed potential, but increased power consumption and timing complexity.
Pseudo-NMOS Inverter
- Employs an NMOS for pull-down and a resistor or always-on NMOS for pull-up instead of PMOS.
- Simpler design with higher static power consumption.
Schmitt-Trigger CMOS Inverter
- Features hysteresis for different thresholds, effective in noisy conditions.
- Examples include 74HCT14, CD74HCT14.
Buffered / Multi-stage Inverter
- Cascades of smaller gates to enhance drive strength and adjust rise/fall times.
- Integrates more gates compared to a pure inverter.
Additional variants may exist in integrated circuits for specialized applications like low-voltage or high-speed scenarios.
Factors Affecting CMOS Inverter Price
- Technology / Process Node: Older nodes are cheaper; specialized variants cost more.
- Packaging / Form Factor: Compact packages like SMD may cost more due to precision.
- Performance Specifications: Higher performance features increase costs.
- Quantity / Order Volume: Bulk orders reduce per-unit costs; small orders have higher markups.
- Brand / Manufacturer / License: Reputable brands command premium prices; licensing can affect costs.
- Supply Chain / Import Duties / Taxes: Overheads can increase prices; local sourcing may reduce costs.
- Testing / Screening / Quality Grade: Screened ICs cost more; different grades affect pricing.
- Additional Features / Integration: Extra features raise costs; integration can amortize expenses.
Understanding these factors is essential for comparing suppliers, as similar parts may have significant differences that justify price variations.
Key Features & Benefits of CMOS Inverters
- Very Low Static Power Consumption: Ideally, no DC current flows when the input is stable.
- Symmetric Output Swing: Outputs switch fully between 0 V and VDD, ensuring compatibility with other logic.
- High Noise Immunity: Well-defined switching thresholds make it robust against input noise.
- Scalability & Cascading: Can cascade multiple inverters without heavy loading due to low input current draw.
- Wide Operating Voltage Range: Supports a broad supply voltage range (e.g., 2 V to 6 V).
- Fast Switching / Propagation Delay: Optimized for low propagation delay and quick transitions.
- Compact Design / Small Footprint: Highly optimized for density in integrated circuit (IC) design.
- Reliability & Longevity: High yield and long-term stability if properly used.
Disadvantages/Caveats
- Leakage Current: Becomes more significant as process geometries shrink.
- Performance Limits: Propagation delays and capacitance loading can affect large fan-out designs.
- Dynamic Power Consumption: Power increases at high frequencies during switching.
- Fabrication Complexity: Stricter layout rules may increase costs in advanced designs.
Comparison of CMOS inverter With Other inverters
| Type of Inverter | Technology | Typical Cost (Per Unit) | Power Consumption | Integration Level | Fabrication Cost |
| CMOS Inverter | Complementary MOSFET | Low | Very Low | Very High (used in ICs/ASICs) | Low (at scale) |
| TTL Inverter | Bipolar Junction Transistors | Moderate | Higher than CMOS | Moderate | Moderate |
| BiCMOS Inverter | Bipolar + CMOS Mix | High | Moderate | Moderate | High |
| ECL Inverter | Emitter-Coupled Logic | Very High | Very High | Low | Very High |
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Buying Tips
- Voltage Compatibility: Ensure the CMOS inverter operates within a voltage range of 3V to 15V to prevent damage.
- Power Consumption: Opt for models with ultra-low standby and dynamic power consumption for better battery efficiency.
- Speed (Propagation Delay): Check the propagation delay for high-speed applications; a lower delay is preferred.
- Package Type: Choose an appropriate package type (e.g., DIP, SMD) based on your PCB design and project stage.
- Manufacturer & Quality: Purchase from reputable brands for reliability and long-term availability.
- Price Comparison: Compare prices from various suppliers and consider bulk buying for cost savings.
Conclusion
CMOS inverters play a vital role in digital electronics, primarily because of their low power consumption, high noise immunity, and easy accessibility. In India, well-known models such as the CD4069 and 74HC04 are priced reasonably between ₹10 and ₹100, making them accessible to students, hobbyists, and professionals alike. To make informed and cost-effective decisions for their projects or production needs, users should consider factors such as the types of CMOS inverters, their features, pricing influences, and the specific application requirements when selecting the appropriate integrated circuit (IC).
डिजिटल इलेक्ट्रॉनिक्स में CMOS इन्वर्टर एक महत्वपूर्ण भूमिका निभाते हैं, मुख्यतः अपनी कम बिजली खपत, उच्च शोर प्रतिरोधक क्षमता और आसान उपलब्धता के कारण। भारत में, CD4069 और 74HC04 जैसे प्रसिद्ध मॉडल ₹10 से ₹100 के बीच उचित मूल्य पर उपलब्ध हैं, जिससे ये छात्रों, शौकीनों और पेशेवरों, सभी के लिए समान रूप से सुलभ हैं। अपनी परियोजनाओं या उत्पादन आवश्यकताओं के लिए सूचित और लागत-प्रभावी निर्णय लेने के लिए, उपयोगकर्ताओं को उपयुक्त एकीकृत परिपथ (IC) का चयन करते समय CMOS इन्वर्टर के प्रकार, उनकी विशेषताओं, मूल्य निर्धारण प्रभावों और विशिष्ट अनुप्रयोग आवश्यकताओं जैसे कारकों पर विचार करना चाहिए।
FAQ’s
What is the typical price of a CMOS inverter IC in India?
CMOS inverter ICs typically cost between ₹10 and ₹100, depending on the model, brand, and quantity.
Which CMOS inverter IC is best for beginners?
The CD4069 and 74HC04 are easy-to-use, widely available, and low-cost options.
Can CMOS inverters be used with Arduino or Raspberry Pi?
Ensure the inverter’s voltage level matches your board’s logic levels (e.g., 3.3V or 5V).