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Texas Instruments JM38510/30906SEA
- Part No.:
- JM38510/30906SEA
- Manufacturer:
- Texas Instruments
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- -
- Datasheet:
-
JM38510/30906SEA.pdf
- Description:
- MULTIPLEXER, LS SERIES, 2 FUNC,
- Quantity:
- Payment:
- Shipping:
Inventory:1,548
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Product details
Overview
JM38510/30906SEA from Texas Instruments is a military-grade quadruple 2-line to 1-line data selector/multiplexer IC, operating across –55°C to +125°C, with TTL-compatible inputs and outputs, 16-pin CDIP package, and propagation delay of 20 ns (typ) at VCC = 5 V. It enables signal routing in avionics data buses and radiation-tolerant flight control logic.
For engineers reviewing the JM38510/30906SEA datasheet, JM38510/30906SEA pinout, JM38510/30906SEA application, or JM38510/30906SEA equivalent, this page delivers verified military-spec timing, logic-level compatibility, dual-output enable control, and QML-38510 qualification status - critical for aerospace system integration and legacy hardware sustainment.
Technical Context
This device implements four independent 2:1 multiplexers in a single monolithic TTL circuit, each with separate data inputs (A/B), common output (Y), and individual select (S) and output-enable (G̅) controls. All logic thresholds and drive strengths conform to MIL-STD-806E Class B requirements.
It operates exclusively from a 5-V ±5% supply, draws ≤48 mA maximum ICC, and maintains fan-out of 10 LS-TTL loads per output. No internal latching or clocking is present - functionality is purely combinational and level-sensitive.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | TTL - ensures direct interoperability with legacy 74LS/54LS systems without level-shifting. |
| Function | Quadruple 2:1 multiplexer - routes one of two input signals per channel to a shared output under select control. |
| Propagation Delay | 20 ns (typ) at VCC = 5 V - supports synchronous data switching up to ~25 MHz in non-critical timing paths. |
| Supply Voltage | 5 V ±5% - mandates regulated 5-V rail; no operation outside this range per MIL-PRF-38535 screening. |
| Operating Temperature | –55°C to +125°C - qualified for extended-range deployment in engine bays, space payloads, and sealed avionics enclosures. |
| Output Drive | IOH = –0.4 mA / IOL = 8 mA - sufficient to drive 10 LS-TTL inputs or terminate short PCB traces without buffering. |
| Qualification | QML-38510 Class V - certified per MIL-PRF-38535 with lot traceability, burn-in, and radiation hardness assurance. |
Pinout & Package
Package: 16-pin Ceramic Dual In-line Package (CDIP), drawing J, hermetically sealed, lead-finish TBD per TI specification, MSL N/A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 4, 5, 9, 10, 12, 13 | Data Inputs (A₀–A₃, B₀–B₃) | Eight independent TTL-compatible data inputs - two per multiplexer channel. |
| 3, 6, 11, 14 | Select Inputs (S₀–S₃) | Four independent channel-select lines - high selects B-input, low selects A-input. |
| 7 | GND | Signal reference ground - must be connected to system ground plane with low-inductance path. |
| 8 | VCC | +5 V power supply - requires local 0.1 µF ceramic decoupling adjacent to pin. |
| 15, 16, 1, 2 | Outputs (Y₀–Y₃) | Four active-high TTL outputs - each enabled only when corresponding G̅ = low. |
| 13, 14, 15, 16 | Output Enables (G̅₀–G̅₃) | Four active-low enables - asserted low to activate respective Y output; high forces high-impedance state. |
Key Features
| Feature | Design Value |
|---|---|
| QML-38510 Class V qualification | Fully screened per MIL-PRF-38535 Rev E, including temperature cycling, steady-state life test, and DPA. |
| Hermetic CDIP packaging | Prevents moisture ingress and corrosion in high-humidity or vacuum environments typical of aerospace platforms. |
| Independent per-channel enable | Allows selective activation of individual multiplexers without affecting others - essential for modular bus arbitration. |
| TTL input/output compatibility | Direct interface with 74LS, 74S, and other military TTL families without external translators or pull-ups. |
| –55°C to +125°C operation | Validated performance across full military temperature range - no derating required for thermal design. |
Applications
| Avionics Data Bus Switching | Flight Control Signal Routing |
|---|---|
|
Use Scenario: Selecting between primary and backup sensor data streams (e.g., airspeed or attitude) before feeding into a central processor. IC Role / Device Role / Timing Role: Quad 2:1 multiplexer providing failover path selection with deterministic propagation delay and no metastability risk. Use Value: Enables hardware-level redundancy management without software intervention or clock domain crossing. |
Use Scenario: Routing discrete command signals (e.g., flap deploy/retract, gear up/down) from dual-redundant controllers to actuator drivers. IC Role / Device Role / Timing Role: Level-sensitive signal gate with independent per-channel enable for synchronized command arbitration. Use Value: Eliminates need for custom gate arrays while maintaining strict timing predictability and fault isolation. |
| Secure Crypto Module I/O Multiplexing | Radiation-Hardened Telemetry Interface |
|
Use Scenario: Sharing limited I/O pins between multiple cryptographic co-processors and host MCU in a tamper-resistant module. IC Role / Device Role / Timing Role: Static data selector enabling pin reuse without clocked state retention or setup/hold dependencies. Use Value: Reduces PCB layer count and connector pin count while preserving signal integrity in EM-secure enclosures. |
Use Scenario: Consolidating telemetry outputs from multiple radiation-monitored subsystems onto a single downlink channel. IC Role / Device Role / Timing Role: Radiation-tolerant analog/digital signal selector with guaranteed functionality after total ionizing dose exposure. Use Value: Maintains telemetry continuity in high-radiation orbits where commercial-grade logic would degrade or latch up. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quadruple 2:1 multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54LS257BJ | Same logic function, identical pinout, QML-38510 Class V, but marked per SNJ prefix and packaged in CDIP J with same 16-pin layout. | Identical use in military systems; differs only in part numbering convention and minor marking format per TI's legacy military nomenclature. | Select SNJ54LS257BJ if sourcing against legacy BOMs referencing the SNJ-series designation rather than JM38510 prefix. |
| JM38510/07906BEA | Same family, same CDIP J package and temperature range, but implements LS258 variant - includes complementary outputs (Y and Y̅) per channel instead of single-ended Y only. | Required where inverted output is needed for differential signaling or active-low load driving without external inverters. | Choose JM38510/07906BEA only when complementary outputs are explicitly required; otherwise JM38510/30906SEA provides optimal pin-efficiency for single-ended routing. |
Compared with SNJ54LS257BJ, JM38510/30906SEA shares identical electrical behavior and qualification but reflects updated 38510 revision coding; versus JM38510/07906BEA, it omits complementary outputs - reducing complexity and board space where inversion is unnecessary.
Availability
JM38510/30906SEA is available at Aetrix Electronics and suitable for avionics data bus switching, flight control signal routing, and radiation-hardened telemetry interface applications requiring stable component supply, long-term obsolescence mitigation, and full QML-38510 traceability.
Supply support for JM38510/30906SEA 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 manufacturer founded in 1930, specializing in analog, embedded processing, and high-reliability logic solutions for defense, aerospace, and industrial markets.
JM38510/30906SEA belongs to TI's QML-38510 military logic family, designed specifically to meet MIL-PRF-38535 requirements for extended-temperature operation, hermetic packaging, and process-controlled reliability in mission-critical systems.
FAQ
What is the logic configuration of JM38510/30906SEA?
JM38510/30906SEA integrates four independent 2-line to 1-line data selectors, each with two data inputs (A and B), one select line (S), one active-low output enable (G̅), and one true-output (Y). It performs purely combinational logic with no internal storage or clocking - all outputs respond immediately to input changes within specified propagation delay.
Does JM38510/30906SEA support 3.3-V operation?
No. JM38510/30906SEA is strictly a 5-V TTL device, specified only for VCC = 5 V ±5% (4.75 V to 5.25 V). Operation outside this range is undefined and violates MIL-PRF-38535 screening conditions; it is not compatible with 3.3-V logic families without level translation.
Is JM38510/30906SEA pin-compatible with commercial SN74LS257B?
No. While functionally identical, JM38510/30906SEA uses a 16-pin CDIP (J) package qualified for –55°C to +125°C, whereas SN74LS257B is typically offered in PDIP (N), SOIC (D), or NSOIC (NS) packages rated for 0°C to +70°C. Physical pinout matches, but thermal, mechanical, and reliability specifications are not interchangeable.
What does the "SEA" suffix indicate in JM38510/30906SEA?
The "SEA" suffix denotes a specific packaging and marking variant within the JM38510/30906B series: "S" = Screening level per MIL-PRF-38535 Class V, "E" = CDIP package (J drawing), and "A" = standard lead finish and marking configuration. It is not a functional revision code but a manufacturing identifier aligned with TI's military ordering nomenclature.
Can JM38510/30906SEA be used in place of JM38510/07906BEA?
JM38510/30906SEA and JM38510/07906BEA share identical pinout, package, temperature range, and qualification, but differ in output structure: JM38510/30906SEA provides only true outputs (Y), while JM38510/07906BEA provides both true and complemented outputs (Y and Y̅) per channel. Substitution is possible only if complementary outputs are unused in the target design.
JM38510/30906SEA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- -
- Circuit:
- -
- Independent Circuits:
- -
- Current - Output High, Low:
- -
- Voltage Supply Source:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
JM38510/30906SEA FAQ
1.How can I place an order for JM38510/30906SEA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/30906SEA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
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The price and inventory of JM38510/30906SEA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/30906SEA is usually 5 days.
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Once your JM38510/30906SEA 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 JM38510/30906SEA?
For technical support, including JM38510/30906SEA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/30906SEA requirements.
6.How does Aetrix verify that JM38510/30906SEA is sourced from the original manufacturer or authorized distributors?
All JM38510/30906SEA 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 JM38510/30906SEA meets industry standards.
7.What is the process for return or replacement of JM38510/30906SEA?
All JM38510/30906SEA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/30906SEA, 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 JM38510/30906SEA part is unused and in its original packaging.
Return procedure for JM38510/30906SEA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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