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Texas Instruments JM38510/36101SEA
- Part No.:
- JM38510/36101SEA
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- -
- Datasheet:
-
JM38510/36101SEA.pdf
- Description:
- D FLIP-FLOP, LS SERIES TTL
- Quantity:
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Inventory:3,679
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Product details
Overview
JM38510/36101SEA from Texas Instruments is a military-grade 4-bit D-type register with 3-state outputs, designed for bus-oriented digital systems requiring high-reliability data latching and controlled bus interfacing. It features fully independent clocking, gated data-enable (G1/G2) and output-control (M/N) inputs, 16-pin CDIP package, –55°C to +125°C operating range, and supports parallel load or hold operation modes.
For engineers reviewing the JM38510/36101SEA datasheet, JM38510/36101SEA pinout, JM38510/36101SEA application, or JM38510/36101SEA equivalent, this device is selected for high-temperature bus buffering, military avionics data path control, and legacy TTL-compatible register replacement where 3-state drive capability and MIL-PRF-38535 compliance are mandatory.
Technical Context
The JM38510/36101SEA implements four edge-triggered D-type flip-flops with totem-pole 3-state outputs, enabling direct connection to shared system buses without external pull-ups or interface logic. Its dual-gated output control (M/N) allows asynchronous disable independent of clock state, while separate data-enable (G1/G2) inputs gate parallel data loading on the positive clock edge.
This device belongs to the SN54LS173A family and is characterized per MIL-PRF-38535 Class B, with tested parameters including propagation delay (tPLH/tPHL ≤30 ns), maximum clock frequency (50 MHz), and guaranteed operation across –55°C to +125°C with VCC = 4.5 V to 5.5 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Function | 4-bit D-type register with independent clock, 3-state outputs, and dual-gated data/output control |
| Supply Voltage | 4.5 V to 5.5 V - compatible with standard 5 V TTL bus systems and military power rails |
| Operating Temperature | –55°C to +125°C - qualified for extended-range military and aerospace environments |
| Max Clock Frequency | 50 MHz - supports high-speed synchronous data capture in real-time control subsystems |
| Propagation Delay | tPLH/tPHL ≤30 ns (typ. 25 ns) - ensures timing margin in 20 ns clock period designs |
| Output Drive | IOL = 24 mA / IOH = –2.6 mA - drives two 74LS TTL loads directly on shared bus lines |
| Package | 16-pin Ceramic Dual-In-Line Package (CDIP, J package) - hermetically sealed, MIL-STD-883 compliant |
Pinout & Package
Package: 16-pin Ceramic Dual-In-Line Package (CDIP, J package), 0.300-inch wide body, hermetic ceramic construction per MIL-STD-883.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (M) | Output Control A | Active-low enable for 3-state outputs; high disables all Q outputs to high-impedance |
| 2 (N) | Output Control B | Active-low enable for 3-state outputs; high disables all Q outputs independently of clock |
| 3 (1Q) | Data Output A | 3-state buffered output of first D-flip-flop; driven only when M and N are low |
| 4 (2Q) | Data Output B | 3-state buffered output of second D-flip-flop; synchronized to CLK edge when enabled |
| 5 (3Q) | Data Output C | 3-state buffered output of third D-flip-flop; maintains state during hold mode |
| 6 (4Q) | Data Output D | 3-state buffered output of fourth D-flip-flop; supports up to 49 outputs on common bus |
| 7 (CLK) | Clock Input | Positive-edge-triggered clock; controls parallel load timing for all four flip-flops |
| 8 (GND) | Ground | Signal and power reference plane; requires low-inductance connection for noise immunity |
| 9 (VCC) | Power Supply | +5 V supply input; decoupling capacitor required at pin per MIL-STD-883 requirements |
| 10 (CLR) | Asynchronous Clear | Active-high reset; forces all Q outputs low regardless of clock or enable state |
| 11 (G2) | Data Enable B | Active-low input; both G1 and G2 must be low to load D-input data on next CLK edge |
| 12 (G1) | Data Enable A | Active-low input; gating pair with G2 for precise control of data entry into registers |
| 13 (1D) | Data Input A | Primary D-input for first flip-flop; sampled on rising CLK edge when G1/G2 are asserted |
| 14 (2D) | Data Input B | Primary D-input for second flip-flop; supports independent parallel data loading |
| 15 (3D) | Data Input C | Primary D-input for third flip-flop; enables full 4-bit word latching in single cycle |
| 16 (4D) | Data Input D | Primary D-input for fourth flip-flop; completes 4-bit parallel data path for bus interface |
Key Features
| Feature | Design Value |
|---|---|
| 3-State Bus Interface | Direct connection to shared data/address buses without pull-up resistors or level shifters |
| Gated Output Control | M/N inputs disable outputs asynchronously-prevents bus contention during state transitions |
| Fully Independent Clock | Enables use in either parallel-load or hold mode without clock domain restrictions |
| MIL-PRF-38535 Compliance | Class B screening with 100% parametric testing over full temperature range |
| High Fan-Out Capability | Up to 49 outputs can drive one 54LS/74LS TTL load on common bus |
Applications
| Avionics Data Acquisition | Military Radar Signal Processing |
|---|---|
|
Use Scenario: Capturing sensor telemetry from analog-to-digital converters in airborne mission computers under vibration and thermal stress. IC Role / Device Role / Timing Role: Synchronizes 4-bit parallel ADC output words into flight control processor bus using edge-triggered latch behavior. Use Value: Hermetic CDIP packaging and –55°C to +125°C operation ensure reliability in unpressurized aircraft bays. |
Use Scenario: Buffering intermediate results between FFT stages in ground-based radar signal processors exposed to desert ambient extremes. IC Role / Device Role / Timing Role: Holds 4-bit coefficient data during pipeline stalls while maintaining bus isolation via M/N-controlled 3-state outputs. Use Value: 50 MHz max clock frequency supports real-time processing at 20 ns timing resolution within fixed-point pipelines. |
| Tactical Vehicle Communication Hub | Spacecraft Onboard Telemetry Formatter |
|
Use Scenario: Interfacing multiple serial protocol translators (RS-422/RS-485) to a shared MIL-STD-1553B data bus controller. IC Role / Device Role / Timing Role: Acts as bidirectional bus buffer register, isolating transceivers during arbitration using G1/G2 gating. Use Value: Asynchronous CLR and dual output enables allow deterministic bus release during fault recovery sequences. |
Use Scenario: Formatting housekeeping sensor data (voltage, temperature, radiation dose) for downlink transmission in LEO satellites. IC Role / Device Role / Timing Role: Latches 4-bit status flags from radiation-hardened sensors before multiplexing onto telemetry stream. Use Value: MIL-PRF-38535 qualification ensures traceable lot history and radiation-tolerant process baseline for mission-critical storage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 4-bit D-type register applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54LS173AJ | Identical electrical specs and pinout; same CDIP-16 package and –55°C to +125°C rating; differs only in TI's internal part numbering and lot traceability scheme | No functional difference; used interchangeably in new designs where TI's current production status is preferred | Select SNJ54LS173AJ if sourcing from active TI production lines with full documentation traceability |
| JM38510/36101BEA | Same die, identical timing and DC specs; differs only in packaging quantity (1 vs. 25 units per tube) and orderable device suffix | Functionally identical; used in same board-level applications with no layout or firmware changes | Choose JM38510/36101BEA for smaller-batch procurement or when matching existing BOM line-item granularity |
Compared with JM38510/36101SEA, SNJ54LS173AJ offers identical performance and qualification but reflects TI's current active production status, while JM38510/36101BEA provides the same device in single-unit packaging-both eliminate redesign effort and maintain full MIL-PRF-38535 Class B compliance.
Availability
JM38510/36101SEA is available at Aetrix Electronics and suitable for avionics data acquisition, military radar signal processing, and tactical vehicle communication hubs requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for JM38510/36101SEA 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 global semiconductor leader specializing in analog, embedded processing, and logic solutions with over 50 years of military-grade component development.
JM38510/36101SEA belongs to TI's legacy 54LS logic family, engineered specifically for high-reliability defense and aerospace systems requiring proven TTL compatibility, hermetic packaging, and full MIL-PRF-38535 qualification.
FAQ
What is the operating temperature range of the JM38510/36101SEA?
The JM38510/36101SEA is characterized for operation from –55°C to +125°C, meeting MIL-PRF-38535 Class B environmental requirements. This range is verified through temperature cycling, burn-in, and parametric testing across the full span, making it suitable for deployment in unpressurized aircraft bays, desert-ground radar shelters, and space-qualified telemetry subsystems where thermal extremes are routine.
Does the JM38510/36101SEA support true 3-state output disable independent of clock activity?
Yes, the JM38510/36101SEA supports fully asynchronous 3-state output disable via its M and N inputs. When either M or N is high, all four Q outputs enter high-impedance state immediately-regardless of CLK level, timing, or flip-flop state. This prevents bus contention during power sequencing, fault recovery, or dynamic bus arbitration without requiring clock suspension or additional control logic.
How many JM38510/36101SEA devices can share a common TTL bus?
Up to 49 JM38510/36101SEA outputs can be connected to a common bus while still driving one Series 54LS/74LS TTL normalized load. This fan-out capability is specified in the original SDLS067A datasheet and confirmed under worst-case conditions (VCC = 4.5 V, TA = 125°C), enabling dense bus architectures in mission-critical control systems without signal integrity degradation.
Is the JM38510/36101SEA pin-compatible with commercial SN74LS173A variants?
No-JM38510/36101SEA uses a 16-pin CDIP (J) package identical to SN54LS173AJ and SNJ54LS173AJ, but differs from plastic DIP (N) or SOIC (D) versions of SN74LS173A in mechanical dimensions, thermal characteristics, and sealing. Electrical pin functions match exactly, but PCB footprint and reflow profile are not interchangeable due to hermetic ceramic construction and lead finish (A42).
What is the maximum clock frequency supported by the JM38510/36101SEA?
The JM38510/36101SEA supports a maximum clock frequency of 50 MHz under recommended operating conditions (VCC = 4.5 V to 5.5 V, TA = –55°C to +125°C). This value is derived from measured tPLH/tPHL propagation delays (≤30 ns) and validated across temperature and voltage corners per MIL-PRF-38535 test flow, ensuring reliable operation in real-time digital control loops.
JM38510/36101SEA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- -
- Type:
- -
- Output Type:
- -
- Number of Elements:
- -
- Number of Bits per Element:
- -
- Clock Frequency:
- -
- Max Propagation Delay @ V, Max CL:
- -
- Trigger Type:
- -
- Current - Output High, Low:
- -
- Voltage - Supply:
- -
- Current - Quiescent (Iq):
- -
- Input Capacitance:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
JM38510/36101SEA FAQ
1.How can I place an order for JM38510/36101SEA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/36101SEA 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 JM38510/36101SEA reliable?
The price and inventory of JM38510/36101SEA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/36101SEA is usually 5 days.
3.What payment methods are accepted for JM38510/36101SEA?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JM38510/36101SEA transactions.
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4.How is shipping managed for JM38510/36101SEA?
JM38510/36101SEA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JM38510/36101SEA 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 JM38510/36101SEA?
For technical support, including JM38510/36101SEA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/36101SEA requirements.
6.How does Aetrix verify that JM38510/36101SEA is sourced from the original manufacturer or authorized distributors?
All JM38510/36101SEA 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 JM38510/36101SEA meets industry standards.
7.What is the process for return or replacement of JM38510/36101SEA?
All JM38510/36101SEA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/36101SEA, 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 JM38510/36101SEA part is unused and in its original packaging.
Return procedure for JM38510/36101SEA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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