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Utsource certified used parts
Utsource certified used parts provide the following guarantees:
1. Utsource will inspect the goods, including appearance inspection (no serious damage to the appearance), select qualified and honest suppliers, and ensure 98% qualification rate.
2. Some parts are tested by machine.
3. Utsource certified parts can be returned and refunded unconditionally within 60 days.
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The parameters and performance indicators of this product are sourced from the internet. In case of discrepancies, please refer to the manufacturer's technical specifications!！
| QUANTITY | UNIT PRICE | PLUS UNIT PRICE | TOTAL PRICE |
|---|---|---|---|
| ≥1: | US $1.64400 | US $1.47960 | US $1.47960 |
| ≥5: | US $1.09600 | US $0.98640 | US $4.93200 |
| ≥10: | US $0.98640 | US $0.88776 | US $8.87760 |
| ≥20: | US $0.95900 | US $0.86310 | US $17.26200 |
| ≥50: | US $0.93160 | US $0.83844 | US $41.92200 |
| ≥100: | US $0.90420 | US $0.81378 | US $81.37800 |
| ≥200: | US $0.87680 | US $0.78912 | US $157.82400 |
| ≥500: | US $0.86584 | US $0.77926 | US $389.63000 |
| ≥1000: | US $0.84940 | US $0.76446 | US $764.46000 |
Substitute (equivalent) Product
| Substitute Product | Description |
|---|---|
| 74ALS30D | A high-speed, low-power version of the 74LS30D, with improved performance. |
| 74HC30D | A high-speed CMOS version of the 74LS30D, suitable for a wider range of applications. |
| CD74HCT30E | A CMOS logic version with similar functionality, but with additional input protection. |
| SN74LS30DR | Another variant of the 74LS30D with similar low-power Schottky characteristics. |
| NTE74LS30 | A direct replacement for the 74LS30D, with comparable electrical characteristics. |
Product Usage
The 74LS30D is an integrated circuit that contains an 8-input NAND gate. This type of IC is commonly used in digital logic circuits where eight different signals need to be combined using the NAND (Not AND) logic operation. Here are some example circuits and applications where a 74LS30D might be used:
Digital Logic Circuits:
Data Validation and Error Detection:
Control Systems:
Safety and Alarm Systems:
Computer Systems:
Memory Systems:
To implement a circuit using the 74LS30D, you would connect the eight input lines to the relevant signals you wish to combine using NAND logic. The output will then provide the NAND operation result of those eight input signals.
Here's a simple example of how you might use it in a digital logic circuit:
Example: Suppose you need to implement a system where an alarm is triggered when all eight sensors (A, B, C, D, E, F, G, H) are inactive (logic 0). You can use the 74LS30D to achieve this as follows:
If the sensors use active high logic (1 for active, 0 for inactive), you might need to invert their signals before feeding them into the 74LS30D, or conversely, adjust your logic to accommodate their natural response.
This illustrates the versatility of the 74LS30D in various practical applications involving combining multiple conditions in digital circuits.
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| Flag | Country | Estimated Delivery Time | Minimum First Weight Cost | ||
|---|---|---|---|---|---|
| Express | Standard Shipping | Express (0.5kg) | Standard Shipping (0.05kg) | ||
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Returns are normally accepted when completed within 90 days from the date of the parcel delivered.
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Warranty
All UTSOURCE purchases have a 90 days money back return policy, plus a 100 days UTSOURCE warranty against any manufacturing defects.This warranty shall not apply to any item where defects have been caused by improper customer assembly, failure by customer to follow instructions, product modification, negligent or improper operation.
74LS30D
74LS30D has several brands around the world that may have alternate names for 74LS30D due to regional differences or acquisition. 74LS30D may also be known as the following names:
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