SN74S00NG4 Texas Instruments Integrated Circuit (Dual-In-Line Packages) In Stock
Texas Instruments SN74S00NG4 is a quad 2-input NAND gate IC from the Schottky TTL logic family, offering propagation delays as low as 3 ns for high-speed digital designs. It operates from a 5 V supply and provides four independent NAND gates in a 14-pin DIP package. Compatible with standard 74S-series logic for legacy and new industrial designs.
- Manufacturer
- Texas Instruments
- Package
- Dual-In-Line Packages
- Pin Count
- 14
- Lifecycle
- ACTIVE
- Datasheet
- SN74S00NG4 Datasheet PDF
- Category
- Integrated Circuit
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of SN74S00NG4?
- Quad 2-input NAND gates with Schottky-clamped transistors achieving propagation delay as low as 3 ns at 5 V
- 74S-series TTL logic family providing full compatibility with 74LS, 74ALS, and 74AS family inputs and outputs
- 5 V supply operation with guaranteed IOH and IOL fan-out driving up to 20 standard TTL loads
- 14-pin PDIP package with 2.54 mm pitch enabling breadboard prototyping and through-hole PCB assembly
- RoHS-compliant G4 green suffix variant meeting modern environmental compliance requirements
What is SN74S00NG4 used for?
The SN74S00NG4 is used in high-speed digital logic design for glue logic, signal inversion, and combinational logic functions in industrial control boards and test equipment where 5 V TTL-level compatibility is required. It serves legacy system maintenance and replacement applications in military, aerospace, and industrial equipment that was originally designed around 74S-series Schottky TTL logic for its sub-5 ns propagation delays. The device is also used in educational and prototyping environments where through-hole DIP packaging simplifies breadboard-based logic design experiments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Where can I find the SN74S00NG4 datasheet?
SN74S00NG4 Datasheet DownloadOfficial datasheet from Texas Instruments
What are equivalent replacements for SN74S00NG4?
Compatible alternatives and drop-in replacements for SN74S00NG4:
Frequently Asked Questions
How fast is the SN74S00NG4 compared to standard 74LS00 NAND gates, and when does this speed matter?
The SN74S00NG4 in the 74S Schottky family achieves typical propagation delays of 3 ns compared to 9 ns for 74LS00 devices, a 3x speed advantage. This difference is critical in synchronous digital systems clocked above 50 MHz where gate delays accumulate through combinational logic paths and threaten setup and hold time margins at flip-flop inputs.
What supply voltage and fan-out rating does the SN74S00NG4 have, and how does that limit system design?
The SN74S00NG4 operates from a 5 V supply and each output can sink 20 mA (IOL) and source 1 mA (IOH), providing sufficient drive for up to 20 standard TTL loads in the 74S family. Designers integrating this device into 3.3 V CMOS systems must use level-translation buffers, as the 5 V output swings are incompatible with direct connection to 3.3 V CMOS inputs without voltage clamping.
In what scenarios is the through-hole 14-pin DIP package of the SN74S00NG4 preferred over a surface-mount equivalent?
The 14-pin 2.54 mm DIP format is preferred in prototyping labs and educational settings where the device must be inserted and removed from breadboards repeatedly without soldering. In military and aviation legacy board repair, the DIP package matches original socketed component footprints, allowing direct plug-in replacement without PCB rework. Surface-mount SOIC equivalents are chosen only when board area and automated assembly are the primary constraints.
Is the SN74S00NG4 pin-compatible with other quad NAND gate families such as 74HC00 or 74LS00?
Yes, the SN74S00NG4 follows the standard 14-pin quad gate pinout with inputs A and B on adjacent pins and output Y on the following pin, identical to 74LS00, 74HC00, and 74HCT00 devices. However, substituting a 74HC00 for a 74S00 requires verifying that logic thresholds are compatible, since 74HC00 uses CMOS levels of 0.8 V and 2 V whereas the 74S00 uses TTL levels of 0.8 V and 2 V with a different output current drive specification.
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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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