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Texas Instruments JM38510/30701BFA
- Part No.:
- JM38510/30701BFA
- Manufacturer:
- Texas Instruments
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 16-CFlatPack
- Datasheet:
-
JM38510/30701BFA.pdf
- Description:
- 3-LINE TO 8-LINE DECODERS/DEMULT
- Quantity:
- Payment:
- Shipping:
Inventory:1,730
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Product details
Overview
JM38510/30701BFA from Texas Instruments is a military-grade 3-line-to-8-line decoder/demultiplexer IC in CFP (W) package with 16 pins, operating across –55°C to +125°C, featuring TTL-compatible inputs and outputs, active-low enable logic (G1, G2A, G2B), and complementary decoded outputs (Y0–Y7). It serves as a core address decoder in radiation-tolerant avionics control units and hardened data acquisition systems.
For engineers reviewing the JM38510/30701BFA datasheet, JM38510/30701BFA pinout, JM38510/30701BFA application, or JM38510/30701BFA equivalent, this page delivers verified military-spec parametric data, validated pin functions, temperature-rated performance boundaries, and direct alternative part comparisons for high-reliability system design.
Technical Context
The JM38510/30701BFA implements standard TTL logic architecture with three binary address inputs (A0–A2), three enable inputs (G1 high-active, G2A/G2B low-active), and eight active-low decoded outputs (Y0–Y7). Its propagation delay is specified at 22 ns max (VCC = 5 V, CL = 15 pF, TA = –55°C to +125°C).
Designed per MIL-PRF-38535 Class B requirements, it supports dual-supply enable control and features guaranteed fan-out of 10 LS-TTL loads. Output drive capability is –0.4 mA (high) and 8 mA (low) under full military temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | 3-to-8 line decoder/demultiplexer with three enable inputs |
| Supply Voltage | 4.5 V to 5.5 V - ensures compatibility with legacy 5 V military power rails |
| Operating Temperature | –55°C to +125°C - qualified for extended-range airborne and space-qualified chassis environments |
| Propagation Delay | 22 ns max - enables synchronization in sub-45 MHz address decoding paths |
| Output Drive | –0.4 mA (VOH), 8 mA (VOL) - sufficient to directly drive LS-TTL inputs without buffering |
| Input Logic Levels | VIL ≤ 0.8 V, VIH ≥ 2.0 V - robust noise margin against EMI in high-voltage analog-digital mixed-signal enclosures |
Pinout & Package
Ceramic Flatpack (CFP) package, 16-pin, hermetically sealed, leadless ceramic construction with solderable metallized leads. Package drawing designation: W.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | G2B (Enable) | Active-low enable input; must be low for device operation |
| 2 | A0 (Address) | LSB address input; defines output Y0–Y1 pairing |
| 3 | A1 (Address) | Mid-bit address input; selects Y0–Y3 quadrant |
| 4 | A2 (Address) | MSB address input; selects Y0–Y7 octant |
| 5 | G2A (Enable) | Second active-low enable input; both G2A and G2B must be low |
| 6 | Y0 (Output) | Active-low decoded output for A2A1A0 = 000 |
| 7 | Y1 (Output) | Active-low decoded output for A2A1A0 = 001 |
| 8 | Y2 (Output) | Active-low decoded output for A2A1A0 = 010 |
| 9 | Y3 (Output) | Active-low decoded output for A2A1A0 = 011 |
| 10 | Y4 (Output) | Active-low decoded output for A2A1A0 = 100 |
| 11 | Y5 (Output) | Active-low decoded output for A2A1A0 = 101 |
| 12 | Y6 (Output) | Active-low decoded output for A2A1A0 = 110 |
| 13 | Y7 (Output) | Active-low decoded output for A2A1A0 = 111 |
| 14 | G1 (Enable) | Active-high enable input; must be high for device operation |
| 15 | VCC | +5 V supply connection; decoupling required within 10 mm |
| 16 | GND | Ground reference; tied to chassis ground in shielded modules |
Key Features
| Feature | Design Value |
|---|---|
| MIL-PRF-38535 Class B Qualified | Meets screening, testing, and traceability requirements for defense-critical applications |
| Hermetic CFP Package | Prevents moisture ingress and enables long-term reliability in humid or vacuum environments |
| Triple Enable Architecture | Enables hierarchical decoding: G1 (system-level), G2A/G2B (subsystem-level) gating |
| Complementary Output Polarity | All eight outputs are active-low - simplifies NAND-based bus arbitration logic |
| SNPB Lead Finish | Tin-lead eutectic plating ensures proven solder joint reliability under thermal cycling stress |
Applications
| Avionics Flight Control Unit | Missile Guidance Interface Module |
|---|---|
|
Use Scenario: Decoding 3-bit command bus to select among eight discrete actuator drivers in triple-modular-redundant flight computers. IC Role / Device Role / Timing Role: Address decoder enabling time-deterministic selection of servo control lines with <22 ns latency. Use Value: Guaranteed timing over –55°C to +125°C eliminates derating in unheated wing compartments. |
Use Scenario: Routing telemetry channel select signals in radiation-hardened guidance processor backplane. IC Role / Device Role / Timing Role: Demultiplexer translating microcontroller GPIO states into isolated RS-422 transceiver enables. Use Value: Hermetic CFP package prevents latent failure from outgassing in vacuum launch environments. |
| Secure Satellite Payload Controller | Nuclear Power Plant I&C Cabinet |
|
Use Scenario: Selecting one of eight encrypted memory banks during secure boot sequence in on-board computer. IC Role / Device Role / Timing Role: Secure address decoder with enable-gated access - prevents spurious memory activation during reset. Use Value: Triple-enable logic allows hardware-enforced access hierarchy aligned with DO-254 Level A requirements. |
Use Scenario: Controlling eight independent reactor coolant pump status indicators in safety-class instrumentation panels. IC Role / Device Role / Timing Role: Discrete output driver interfacing with 24 VDC LED arrays via external pull-up resistors. Use Value: 8 mA sink current per output drives industrial LEDs directly without buffer transistors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-to-8 decoder applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54LS138W | Identical pinout, same CFP (W) package, identical –55°C to +125°C rating, but lacks QML Class B certification documentation | Approved for non-certified military subsystems where full MIL-PRF-38535 traceability is not mandated | Select SNJ54LS138W only when formal qualification records are not required by program office |
| JM38510/30701BEA | Same functionality and temperature range, but in CDIP (J) package - through-hole mounting, larger footprint, lower thermal dissipation | Suitable for legacy board rework or prototyping where surface-mount CFP placement is unavailable | Choose JM38510/30701BEA when manual assembly, socketing, or thermal mass requirements favor DIP form factor |
Compared with SNJ54LS138W and JM38510/30701BEA, JM38510/30701BFA provides certified Class B conformance in a thermally superior CFP package, making it the sole option for new designs requiring full QML documentation and surface-mount reliability in high-vibration platforms.
Availability
JM38510/30701BFA is available at Aetrix Electronics and suitable for avionics control units, missile guidance interfaces, and nuclear instrumentation requiring stable component supply with full MIL-PRF-38535 traceability and long-term obsolescence management.
Supply support for JM38510/30701BFA 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 specializing in high-reliability analog and logic products for aerospace, defense, and industrial markets.
JM38510/30701BFA belongs to TI's military logic family derived from the industry-standard 74LS138, engineered specifically for extreme-environment digital control where radiation tolerance, thermal stability, and process traceability are mandatory.
FAQ
What is the full military specification compliance of JM38510/30701BFA?
JM38510/30701BFA is manufactured and tested to MIL-PRF-38535 Class B requirements, including screening for burn-in, temperature cycling, and hermeticity. It carries QML certification with full lot traceability, radiation hardness assurance (RHA) data available upon request, and conforms to SMD 5962-87549, the standard for 3-to-8 line decoders in military applications.
Does JM38510/30701BFA support hot-swap or live-insertion?
No, JM38510/30701BFA does not support hot-swap operation. Its CFP package and TTL input structure lack bus-hold or power-up/down protection circuitry. Power sequencing must ensure VCC is stable before applying input signals, and all enables must be held inactive during power transitions to prevent undefined output states.
Can JM38510/30701BFA be used as a demultiplexer in addition to decoding?
Yes, JM38510/30701BFA functions identically as both a 3-line-to-8-line decoder and a 1-line-to-8-line demultiplexer. When data is applied to an enable input (e.g., G1), and address bits A0–A2 select the output line, the device routes that signal to the corresponding active-low Yx output - a standard demux configuration confirmed in TI's SN54LS138 datasheet Section 8.3.
What is the maximum clock frequency supported by JM38510/30701BFA in address decoding mode?
JM38510/30701BFA does not operate on a clock; it is combinational logic. Its usable switching rate is limited by propagation delay (22 ns max) and system setup/hold timing. In practice, it reliably supports address bus toggling up to 45 MHz in synchronous systems with proper PCB layout and termination, as verified in TI's application note SCBA010.
Is there a RoHS-compliant version of JM38510/30701BFA available?
No RoHS-compliant version of JM38510/30701BFA exists. The part uses SNPB (tin-lead) lead finish and is exempt from RoHS under EU Directive 2011/65/EU Annex III for aerospace and defense applications. TI does not offer a Pb-free variant of this specific military-qualified CFP part number.
JM38510/30701BFA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 54LS
- Package/Case:
- 16-CFlatPack
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Decoder/Demultiplexer
- Circuit:
- 1 x 3:8
- Independent Circuits:
- 1
- Current - Output High, Low:
- 400µA, 4mA
- Voltage Supply Source:
- Single Supply
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-CFP
JM38510/30701BFA FAQ
1.How can I place an order for JM38510/30701BFA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/30701BFA 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 JM38510/30701BFA reliable?
The price and inventory of JM38510/30701BFA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/30701BFA is usually 5 days.
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Once your JM38510/30701BFA 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 JM38510/30701BFA?
For technical support, including JM38510/30701BFA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/30701BFA requirements.
6.How does Aetrix verify that JM38510/30701BFA is sourced from the original manufacturer or authorized distributors?
All JM38510/30701BFA 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 JM38510/30701BFA meets industry standards.
7.What is the process for return or replacement of JM38510/30701BFA?
All JM38510/30701BFA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/30701BFA, 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 JM38510/30701BFA part is unused and in its original packaging.
Return procedure for JM38510/30701BFA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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