SN74F30NS Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
SN74F30NS is a single 8-input NAND gate IC from Texas Instruments in the Fast (F) TTL logic family, packaged in a 14-pin small-outline (SO) package. It provides a single NAND function with 8 inputs, supporting high-speed logic operations at 5 V in computing, instrumentation, and digital control circuits requiring multi-input combinational logic.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74F30NS Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74F30NS?
- Single 8-input NAND gate in one package
- Fast TTL (F-series) logic for high-speed operation
- 5 V supply voltage TTL-compatible inputs and outputs
- 14-pin small-outline (SO) surface-mount package
- High fan-in reduces external gate count in combinational logic
- Low propagation delay typical of F-series logic
What is SN74F30NS used for?
The SN74F30NS is used in digital logic designs that require a single NAND gate with 8 inputs for interrupt enable/disable logic, priority encoder enabling, or multi-condition detection circuits where all 8 inputs must be high for the output to go low. Its Fast TTL logic family makes it suitable for high-speed computing backplanes, industrial PLCs, and test instrumentation requiring glitch-free combinational logic at 5 V.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74F30NS datasheet?
SN74F30NS Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74F30NS?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
For an 8-condition interlock circuit, how does the SN74F30NS reduce gate count compared to cascaded 2-input NANDs?
Using a single SN74F30NS with 8 inputs replaces a tree of at least 4 two-input NAND gates needed to AND 8 signals. This reduces propagation delay from approximately 3-4 gate delays to a single gate delay, and saves at least 3 package locations on the PCB. The F-series logic typically achieves propagation delays under 5 ns, enabling reliable operation at clock rates exceeding 100 MHz.
Is the SN74F30NS compatible with LSTTL and CMOS logic in a mixed 5 V system?
Yes, the SN74F30NS is compatible with LSTTL inputs and outputs since the F-series shares the same 5 V supply and TTL voltage thresholds (VIH ≥ 2 V, VIL ≤ 0.8 V). It can also interface with 5 V CMOS logic such as 74HC series, though CMOS-to-TTL input drive must be verified for fan-out, since F-series inputs draw more current than CMOS outputs typically supply.
How does the 14-pin SO package of the SN74F30NS compare to its DIP equivalent for board density?
The 14-pin SO package occupies roughly 8.65 mm × 3.9 mm footprint compared to approximately 19 mm × 6.35 mm for the equivalent 14-pin DIP package. This reduction of more than 3× in PCB area allows higher component density in backplane cards, SBC designs, and industrial control modules. The SO package also supports reflow soldering for automated pick-and-place production lines.
In priority encoding logic, how does the SN74F30NS simplify the all-inactive detection path?
In an 8-channel priority encoder, the SN74F30NS can serve as a single-gate all-inactive detector by connecting all 8 request lines to its inputs. When all inputs are high (no requests), the NAND output goes low, signaling the encoder that no valid input is asserted. This eliminates a separate 8-input AND gate or multi-stage logic, saving 1-2 ICs and reducing combinational delay by at least 2 gate propagation times.
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Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
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