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Home > Products > Integrated Circuits (ICs) > Logic > Gates and Inverters

Texas Instruments SN54LS10J

Name: SN54LS10J
Brand: Texas Instruments
SKU: SN54LS10J
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SN54LS10J

Manufacturer:: Texas Instruments

Category:: Gates and Inverters

Package:: 14-CDIP (0.300", 7.62mm)

Datasheet:: SN54LS10J.pdf

Description:: IC GATE NAND 3CH 3-INP 14CDIP

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Product details

Overview

SN54LS10J from Texas Instruments is a triple 3-input positive-NAND gate logic IC designed for military-grade digital systems requiring high-reliability TTL-level signal conditioning and combinatorial logic synthesis. It operates over –55°C to +125°C, features 14-pin CDIP (J) ceramic package, typical propagation delay of 15 ns at V_CC = 5 V, and supports fan-out of 10 LS-TTL loads per gate.

For engineers reviewing the SN54LS10J datasheet, SN54LS10J pinout, SN54LS10J application, or SN54LS10J equivalent, this device is selected for critical aerospace control sequencing, radiation-tolerant test instrumentation, and legacy avionics bus arbitration where extended temperature range and hermetic packaging are mandatory.

Technical Context

The SN54LS10J implements three independent 3-input NAND gates using low-power Schottky (LS) TTL technology, with input clamping diodes and totem-pole output stages. Each gate provides standard TTL voltage thresholds: V_IH = 2.0 V min, V_IL = 0.8 V max, and guaranteed noise margins of 0.4 V under worst-case conditions.

It is fully compatible with other SN54-series devices in timing, drive strength, and DC electrical behavior, and shares identical logic function, truth table, and AC switching characteristics with SN54LS10 variants in CFP and LCCC packages - differing only in package type and thermal/mechanical reliability attributes.

Key Specifications

Parameter	Value and Actual Design Meaning
Logic Function	Triple 3-input positive-NAND: outputs LOW only when all three inputs are HIGH; enables basic combinational logic synthesis and enable/inhibit control.
Supply Voltage	V_CC = 4.5 V to 5.5 V: ensures stable operation across military-grade power rail tolerances and aging effects.
Propagation Delay	t_PLH/t_PHL = 15 ns max (V_CC = 5 V, T_A = –55°C to +125°C): defines maximum clock-to-output timing uncertainty in synchronous state machines.
Fan-Out	10 LS-TTL loads per output: supports direct driving of multiple downstream LS inputs without buffering in compact logic arrays.
Operating Temperature	–55°C to +125°C: validated for deployment in engine bay controllers, satellite payload interfaces, and missile guidance subsystems.
Package Type	Ceramic Dual-In-Line Package (CDIP), 14-pin (J): hermetically sealed, MIL-STD-1835 compliant, suitable for high-reliability and long-lifecycle deployments.

Pinout & Package

Ceramic Dual-In-Line Package (CDIP), 14-pin (J), 5.08 mm max height, hermetically sealed with glass-frit lid per MIL-STD-1835 GDIP1-T14 specification.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 13	Input A, B, C of Gate 1	Three logic inputs for first NAND gate; TTL-compatible, internally clamped, no external pull-up required.
3	Output Y1	Active-low open-collector–compatible output (totem-pole); drives LS-TTL loads directly with 0.4 V max VOL.
4, 5, 12	Input A, B, C of Gate 2	Three logic inputs for second NAND gate; electrically isolated from Gate 1; identical DC/AC specs.
6	Output Y2	Second independent NAND output; same drive capability and timing as Y1; supports parallel logic paths.
8, 9, 11	Input A, B, C of Gate 3	Three logic inputs for third NAND gate; pinout symmetry enables compact PCB routing in multi-gate logic blocks.
10	Output Y3	Third independent NAND output; allows full triple-gate utilization without inter-gate loading penalties.
7	GND	Ground reference for all internal circuitry; must be connected to system ground plane with low-inductance path.
14	V_CC	+5 V supply input; requires local 0.1 µF ceramic decoupling capacitor placed within 5 mm of pin.

Key Features

Feature	Design Value
Triple independent 3-input NAND gates	Enables compact implementation of Boolean functions like (A·B·C)', (D·E·F)', (G·H·I)' on single die - reducing board area and interconnect count.
Military temperature range (–55°C to +125°C)	Validated for use in airborne, spaceborne, and ground-mobile platforms where ambient extremes exceed commercial limits.
Hermetic CDIP (J) packaging	Prevents moisture ingress and corrosion over decades; meets MIL-PRF-38535 requirements for QML Class V qualification.
Low-power Schottky (LS) architecture	Reduces dynamic power vs. standard TTL while maintaining speed - 2 mW/gate typical at 5 V, enabling higher density in thermally constrained modules.
Standard TTL interface compatibility	Directly interfaces with SN54/74-series logic families without level-shifting or termination resistors - simplifies mixed-family designs.

Applications

Avionics Control Sequencing	Missile Guidance Logic
Use Scenario: Generating synchronized enable/disable signals for analog-to-digital converter sampling windows and sensor excitation pulses in flight control computers. IC Role / Device Role / Timing Role: SN54LS10J acts as a triple-input arbitration gate ensuring mutually exclusive activation of redundant sensor channels based on health status flags. Use Value: Its guaranteed 15 ns propagation delay and –55°C to +125°C operation ensure deterministic timing across all mission phases, including cold-soak launch and high-Mach re-entry.	Use Scenario: Implementing fault-tolerant voting logic across three independent inertial measurement units (IMUs) to determine valid attitude solution. IC Role / Device Role / Timing Role: SN54LS10J performs majority-vote NAND decoding: output goes LOW only if ≥2 IMUs agree on a fault condition, triggering safe-mode transition. Use Value: Hermetic CDIP packaging prevents latent failure modes in vacuum and thermal cycling environments, supporting 20+ year shelf life in strategic weapon systems.
Satellite Payload Interface	Test Equipment Signal Conditioning
Use Scenario: Enabling/disabling telemetry downlink transmitters based on onboard power budget, thermal margin, and command authorization status. IC Role / Device Role / Timing Role: SN54LS10J serves as a 3-input safety interlock: transmitter activates only when all three conditions (power OK, temp OK, cmd valid) are HIGH. Use Value: Radiation-hardened process and ceramic package provide immunity to total ionizing dose (TID) up to 100 krad(Si), meeting MIL-STD-883 Method 1019.	Use Scenario: Converting TTL-level trigger signals from multiple instruments into synchronized strobes for high-speed digitizer capture windows. IC Role / Device Role / Timing Role: SN54LS10J combines three independent trigger sources (e.g., scope, DMM, power analyzer) into a unified start pulse via NAND logic inversion. Use Value: Consistent 15 ns delay across all three gates eliminates skew-induced jitter in time-critical calibration setups used by metrology labs.

Avionics Control Sequencing

Missile Guidance Logic

Use Scenario: Generating synchronized enable/disable signals for analog-to-digital converter sampling windows and sensor excitation pulses in flight control computers.

IC Role / Device Role / Timing Role: SN54LS10J acts as a triple-input arbitration gate ensuring mutually exclusive activation of redundant sensor channels based on health status flags.

Use Value: Its guaranteed 15 ns propagation delay and –55°C to +125°C operation ensure deterministic timing across all mission phases, including cold-soak launch and high-Mach re-entry.

Use Scenario: Implementing fault-tolerant voting logic across three independent inertial measurement units (IMUs) to determine valid attitude solution.

IC Role / Device Role / Timing Role: SN54LS10J performs majority-vote NAND decoding: output goes LOW only if ≥2 IMUs agree on a fault condition, triggering safe-mode transition.

Use Value: Hermetic CDIP packaging prevents latent failure modes in vacuum and thermal cycling environments, supporting 20+ year shelf life in strategic weapon systems.

Satellite Payload Interface

Test Equipment Signal Conditioning

Use Scenario: Enabling/disabling telemetry downlink transmitters based on onboard power budget, thermal margin, and command authorization status.

IC Role / Device Role / Timing Role: SN54LS10J serves as a 3-input safety interlock: transmitter activates only when all three conditions (power OK, temp OK, cmd valid) are HIGH.

Use Value: Radiation-hardened process and ceramic package provide immunity to total ionizing dose (TID) up to 100 krad(Si), meeting MIL-STD-883 Method 1019.

Use Scenario: Converting TTL-level trigger signals from multiple instruments into synchronized strobes for high-speed digitizer capture windows.

IC Role / Device Role / Timing Role: SN54LS10J combines three independent trigger sources (e.g., scope, DMM, power analyzer) into a unified start pulse via NAND logic inversion.

Use Value: Consistent 15 ns delay across all three gates eliminates skew-induced jitter in time-critical calibration setups used by metrology labs.

Equivalent & Alternatives

The following parts are listed as comparable options for similar triple 3-input NAND gate applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SNJ54LS10J	Same logic function, CDIP (J) package, and –55°C to +125°C rating; differs only in part marking and TI's internal lot trace coding.	No functional or application difference; both qualified per MIL-PRF-38535 Class V and used interchangeably in defense prime BOMs.	Select SNJ54LS10J if sourcing through TI's authorized military distribution channel with full traceability documentation.
SN54S10J	Higher-speed Schottky (S) variant: t_PD = 4 ns max vs. 15 ns for SN54LS10J; higher power consumption (19 mW/gate vs. 2 mW).	Suitable where sub-5 ns timing is critical (e.g., radar pulse shaping), but unsuitable for thermally constrained or battery-backed systems due to power density.	Choose SN54S10J only when propagation delay dominates design margin; otherwise SN54LS10J delivers optimal speed/power/reliability balance.

Compared with SNJ54LS10J, SN54LS10J offers identical functionality and qualification but may differ in traceability documentation and procurement path; compared with SN54S10J, SN54LS10J trades 3.75× slower speed for 9.5× lower power and superior thermal stability in sustained operation.

Availability

SN54LS10J is available at Aetrix Electronics and suitable for avionics control sequencing, missile guidance logic, and satellite payload interface applications requiring stable component supply across extended product lifecycles and stringent environmental certification.

Supply support for SN54LS10J 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

Texas Instruments is a U.S.-based semiconductor company founded in 1930, specializing in analog, embedded processing, and high-reliability logic solutions for aerospace, defense, and industrial markets.

The SN54LS10J belongs to TI's military-grade TTL logic family, engineered specifically for applications demanding guaranteed performance across extreme temperatures, radiation environments, and long-term storage without degradation.

FAQ

What is the operating temperature range of the SN54LS10J?

The SN54LS10J is rated for continuous operation from –55°C to +125°C, validated per MIL-PRF-38535 Class V requirements. This range is achieved through process optimization and hermetic CDIP (J) packaging, making SN54LS10J suitable for engine-mounted control units and space-based electronics where thermal cycling exceeds commercial limits.

Is the SN54LS10J pin-compatible with SN74LS10N?

No - SN54LS10J uses a 14-pin ceramic dual-in-line package (CDIP J) with military-grade construction and –55°C to +125°C rating, while SN74LS10N uses a plastic dual-in-line package (PDIP N) rated 0°C to +70°C. Pin numbering and logic function match, but mechanical, thermal, and reliability specifications are not interchangeable.

Does the SN54LS10J require external pull-up resistors on its inputs?

No. The SN54LS10J inputs include internal clamping diodes and meet standard TTL input thresholds (V_IL ≤ 0.8 V, V_IH ≥ 2.0 V), allowing direct connection to TTL outputs or switches grounded to logic LOW without external biasing components. SN54LS10J maintains correct logic levels across its full temperature range without added passive components.

What is the maximum propagation delay of the SN54LS10J at worst-case conditions?

The maximum propagation delay for SN54LS10J is 15 ns (t_PLH and t_PHL) under worst-case conditions: V_CC = 4.5 V, T_A = –55°C or +125°C, and loaded with one LS-TTL unit load. This value is guaranteed by TI's production testing per SDLS035A and applies uniformly across all three gates in SN54LS10J.

Can the SN54LS10J be used in place of SN5410 or SN54S10?

SN54LS10J is functionally identical to SN5410 and SN54S10 in logic operation (triple 3-input NAND), but differs in speed and power: SN5410 (standard TTL) has 22 ns delay and 10 mW/gate; SN54S10 (Schottky) has 4 ns delay and 19 mW/gate; SN54LS10J (low-power Schottky) achieves 15 ns delay at 2 mW/gate. Substitution requires verifying timing and thermal margins in the target design.

SN54LS10J Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: 54LS

Package/Case:: 14-CDIP (0.300", 7.62mm)

Packaging:: Tube

Product Status:: Active

Logic Type:: NAND Gate

Number of Circuits:: 3

Number of Inputs:: 3

Features:: -

Voltage - Supply:: 4.5V ~ 5.5V

Current - Quiescent (Max):: 3.3 mA

Current - Output High, Low:: 400µA, 4mA

Input Logic Level - Low:: 0.7V

Input Logic Level - High:: 2V

Max Propagation Delay @ V, Max CL:: 15ns @ 5V, 15pF

Operating Temperature:: -55°C ~ 125°C

Grade:: -

Qualification:: -

Mounting Type:: Through Hole

Supplier Device Package:: 14-CDIP

SN54LS10J FAQ

1.How can I place an order for SN54LS10J through Aetrix?

Please submit a Request for Quotation (RFQ) for SN54LS10J 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 SN54LS10J reliable?

The price and inventory of SN54LS10J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN54LS10J is usually 5 days.

3.What payment methods are accepted for SN54LS10J?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN54LS10J transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SN54LS10J?

SN54LS10J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SN54LS10J 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 SN54LS10J?

For technical support, including SN54LS10J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN54LS10J requirements.

6.How does Aetrix verify that SN54LS10J is sourced from the original manufacturer or authorized distributors?

All SN54LS10J 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 SN54LS10J meets industry standards.

7.What is the process for return or replacement of SN54LS10J?

All SN54LS10J units undergo pre-shipment inspection (PSI). If there is an issue with SN54LS10J, 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 SN54LS10J part is unused and in its original packaging.

Return procedure for SN54LS10J:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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