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Texas Instruments JM38510/33701BEA
- Part No.:
- JM38510/33701BEA
- Manufacturer:
- Texas Instruments
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
JM38510/33701BEA.pdf
- Description:
- 3-LINE TO 8-LINE DECODERS/DEMULT
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
JM38510/33701BEA from Texas Instruments is a military-grade 3-line-to-8-line decoder/demultiplexer in a 16-pin CDIP (J) package, operating across –55°C to 125°C. It features three enable inputs (G1 active-high, G2A/G2B active-low), propagation delays as low as 2.7 ns (tPLH), 20 mA output sink capability, and is designed for high-speed memory decoding and data routing in ruggedized systems.
For engineers reviewing the JM38510/33701BEA datasheet, JM38510/33701BEA pinout, JM38510/33701BEA application, or JM38510/33701BEA equivalent, key selection considerations include its full military temperature range, TTL-compatible input thresholds (VIL = 0.8 V, VIH = 2 V), guaranteed 5 V supply operation, and cascading support via dual active-low enables without external inverters.
Technical Context
The JM38510/33701BEA implements positive-logic decoding with binary-select inputs A, B, C and three independent enables (G1, G2A, G2B). Its logic diagram confirms NAND-based output generation where only one of eight Y0–Y7 outputs goes low per valid input combination when all enables are asserted.
It supports demultiplexing by using an enable input (e.g., G1) as a data line while A/B/C select the destination output - enabling 1-to-8 signal distribution. Cascading to 24-line decoding requires no external inverters; expansion to 32 lines needs only one inverter due to complementary enable polarity.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage (VCC) | 4.5 V to 5.5 V - ensures compatibility with standard 5 V TTL logic rails and stable operation under voltage variation. |
| Propagation Delay (tPHL/tPLH) | 2.2–9.5 ns - enables use in sub-100 MHz address decoding paths without adding measurable system latency. |
| Output Sink Current (IOL) | 20 mA - drives standard TTL loads directly, eliminating need for buffer stages in memory enable chains. |
| Input Thresholds (VIH/VIL) | VIH = 2.0 V, VIL = 0.8 V - matches legacy TTL logic families, ensuring interoperability with 74LS/74F/54-series devices. |
| Operating Temperature | –55°C to 125°C - qualified per MIL-PRF-38535 for deployment in avionics, missile guidance, and space-qualified electronics. |
| Enable Architecture | 1 high-active (G1) + 2 low-active (G2A, G2B) - simplifies hierarchical decoding trees and reduces gate count in multi-chip select logic. |
Pinout & Package
Package: 16-pin Ceramic Dual-In-Line Package (CDIP, J package), hermetically sealed, lead finish SNPB (tin-lead), non-RoHS compliant, MSL N/A.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A (Select Input) | LSB of 3-bit binary address; determines output line mapping with B and C. |
| 2 | B (Select Input) | Mid-bit of 3-bit binary address; used with A and C to select one of eight outputs. |
| 3 | C (Select Input) | MSB of 3-bit binary address; completes 3-bit decode word for Y0–Y7 selection. |
| 4 | G2A (Enable) | Active-low enable; must be LOW with G2B and G1 to activate decoding function. |
| 5 | G2B (Enable) | Second active-low enable; provides orthogonal control for cascaded decoder staging. |
| 6 | G1 (Enable) | Active-high enable; allows use as data input in demux mode when A/B/C are fixed. |
| 7 | Y0 (Output) | Active-low decoded output; goes LOW when A=B=C=0 and all enables active. |
| 8 | GND | Ground reference for all internal circuitry and I/O signals. |
| 9 | Y1 (Output) | Active-low decoded output; LOW when A=1, B=C=0 and enables asserted. |
| 10 | Y2 (Output) | Active-low decoded output; LOW when B=1, A=C=0 and enables asserted. |
| 11 | Y3 (Output) | Active-low decoded output; LOW when A=B=1, C=0 and enables asserted. |
| 12 | Y4 (Output) | Active-low decoded output; LOW when C=1, A=B=0 and enables asserted. |
| 13 | Y5 (Output) | Active-low decoded output; LOW when A=C=1, B=0 and enables asserted. |
| 14 | Y6 (Output) | Active-low decoded output; LOW when B=C=1, A=0 and enables asserted. |
| 15 | Y7 (Output) | Active-low decoded output; LOW when A=B=C=1 and all enables active. |
| 16 | VCC | +5 V power supply input; decoupling capacitor required at point-of-load for noise immunity. |
Key Features
| Feature | Design Value |
|---|---|
| Triple Enable Architecture | Enables seamless 24-line decoding without external inverters and 32-line expansion with only one inverter - reducing board area and component count. |
| Military Temperature Range | Qualified from –55°C to 125°C per MIL-PRF-38535, supporting deployment in jet engine controllers, radar processors, and satellite subsystems. |
| TTL-Compatible Interface | Meets standard 74F logic thresholds (VIH = 2.0 V, VIL = 0.8 V) and drive strength, ensuring plug-in compatibility with existing 5 V digital systems. |
| Low Propagation Delay | Typical tPHL/tPLH of 5.2–5.7 ns at VCC = 5 V enables integration into high-speed memory subsystems where decoder delay must be <10% of access time. |
| Demultiplexer Functionality | Allows G1 to serve as data input while A/B/C select output line - converting the device into a 1-to-8 signal distributor without redesign. |
Applications
| Avionics Address Decoding | Missile Guidance Logic |
|---|---|
|
Use Scenario: Selecting among 8 memory banks or peripheral registers in a radiation-tolerant flight computer using a 3-bit address bus. IC Role / Device Role: Primary address decoder that asserts individual chip-enable signals based on CPU address lines A0–A2 and system-level enables. Use Value: Guarantees <9.5 ns propagation delay at –55°C, ensuring timing closure in real-time deterministic architectures with sub-100 ns memory cycles. |
Use Scenario: Routing sensor data streams (e.g., IMU, GPS, telemetry) to dedicated processing channels in a hardened guidance unit. IC Role / Device Role: Demultiplexer that distributes time-synchronized trigger pulses to eight parallel analog-to-digital converter front-ends. Use Value: Leverages G1 as data input and A/B/C as channel selector, eliminating need for separate mux ICs and reducing signal path skew. |
| Secure Communications Crypto Module | Nuclear Power Plant Control System |
|
Use Scenario: Enabling one of eight cryptographic accelerator units based on instruction opcode and security context flags. IC Role / Device Role: Security-state-aware decoder that gates accelerator activation using G2A (security level), G2B (key validity), and G1 (opcode). Use Value: Triple-enable architecture prevents unintended activation - meeting DO-326A assurance requirements for fault-containment boundaries. |
Use Scenario: Controlling 8 redundant I/O modules in a safety-critical reactor protection system requiring fail-safe enable logic. IC Role / Device Role: Redundant decoder implementing 2-out-of-3 voting on enable inputs before asserting module reset or enable lines. Use Value: Hermetic CDIP packaging and –55°C to 125°C operation ensure long-term reliability in high-radiation, high-temperature containment environments. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 3-line-to-8-line decoder applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN54F138J | Identical electrical specs, same CDIP (J) package, identical pinout and military temp rating; differs only in part numbering convention and traceability documentation. | No functional difference; used interchangeably in DoD procurement where QML-38535 compliance is required. | Select SN54F138J if sourcing through standard defense logistics channels; JM38510/33701BEA preferred for programs requiring JAN/38510 lineage tracking. |
| JM38510/33701BFA | Same functionality and temp range, but in 16-pin CFP (W) package - flat-pack with side-brazed leads instead of through-hole DIP pins. | Suitable for surface-mount or hybrid microcircuit assemblies where CDIP footprint is incompatible with board assembly process. | Choose JM38510/33701BFA for automated placement on ceramic substrates or when lead coplanarity and thermal cycling performance are critical. |
Compared with SN54F138J, JM38510/33701BEA offers identical performance but enhanced pedigree traceability for mission-critical programs; versus JM38510/33701BFA, it trades CFP mechanical robustness for proven through-hole reliability and easier manual rework in field-deployable systems.
Availability
JM38510/33701BEA is available at Aetrix Electronics and suitable for avionics address decoding, missile guidance logic, and nuclear plant control systems requiring stable component supply across extended lifecycle commitments.
Supply support for JM38510/33701BEA 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 components for aerospace, defense, and industrial markets.
JM38510/33701BEA belongs to TI's military logic family derived from the 74F series, engineered specifically for high-speed, radiation-tolerant decoding in mission-critical platforms where failure is not an option.
FAQ
What is the operating temperature range of the JM38510/33701BEA?
The JM38510/33701BEA is fully characterized from –55°C to 125°C per MIL-PRF-38535 Class B requirements. This range is verified across all electrical parameters including propagation delay, output drive, and enable threshold stability - making it suitable for engine bay, space, and underground nuclear facility deployments where ambient extremes are routine.
Does the JM38510/33701BEA support demultiplexing functionality?
Yes, the JM38510/33701BEA supports demultiplexing by using G1 (active-high enable) as a data input while holding A, B, and C constant to select the target output line. When G1 toggles, the selected Yx output mirrors the G1 state (active-low), effectively distributing a single input signal across eight destinations - confirmed in the function table and logic diagram of the SDFS051B datasheet.
What package type and pin count does the JM38510/33701BEA use?
The JM38510/33701BEA uses a 16-pin Ceramic Dual-In-Line Package (CDIP, J package) with through-hole leads, hermetically sealed, and marked "JM38510/33701BEA" on the top surface. Pin layout matches the standard '138 decoder configuration with VCC at pin 16, GND at pin 8, and outputs Y0–Y7 occupying pins 7, 9–15.
How does the enable architecture of the JM38510/33701BEA simplify cascaded decoding?
The JM38510/33701BEA uses one active-high (G1) and two active-low (G2A, G2B) enables, allowing direct connection of enable outputs from higher-order decoders without inverters. For example, a 24-line decoder can be built using three JM38510/33701BEA devices with no external logic - G2A/G2B of each driven by decoded bits, and G1 tied to a common master enable.
Is the JM38510/33701BEA RoHS compliant?
No, the JM38510/33701BEA is not RoHS compliant. It uses SnPb (tin-lead) lead finish and is exempt from RoHS Directive 2011/65/EU Annex III due to its qualification under MIL-PRF-38535 for high-reliability military/aerospace applications. This exemption is documented in TI's packaging addendum and applies to all JM38510/33701x variants.
JM38510/33701BEA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 54F
- Package/Case:
- 16-CDIP (0.300", 7.62mm)
- Packaging:
- Tube
- Product Status:
- Active
- Type:
- Decoder/Demultiplexer
- Circuit:
- 1 x 3:8
- Independent Circuits:
- 1
- Current - Output High, Low:
- 1mA, 20mA
- Voltage Supply Source:
- Single Supply
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CDIP
JM38510/33701BEA FAQ
1.How can I place an order for JM38510/33701BEA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/33701BEA 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 JM38510/33701BEA reliable?
The price and inventory of JM38510/33701BEA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/33701BEA is usually 5 days.
3.What payment methods are accepted for JM38510/33701BEA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JM38510/33701BEA transactions.
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4.How is shipping managed for JM38510/33701BEA?
JM38510/33701BEA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JM38510/33701BEA 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 JM38510/33701BEA?
For technical support, including JM38510/33701BEA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/33701BEA requirements.
6.How does Aetrix verify that JM38510/33701BEA is sourced from the original manufacturer or authorized distributors?
All JM38510/33701BEA 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 JM38510/33701BEA meets industry standards.
7.What is the process for return or replacement of JM38510/33701BEA?
All JM38510/33701BEA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/33701BEA, 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 JM38510/33701BEA part is unused and in its original packaging.
Return procedure for JM38510/33701BEA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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