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Texas Instruments JM38510/37202BEA
- Part No.:
- JM38510/37202BEA
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- -
- Datasheet:
-
JM38510/37202BEA.pdf
- Description:
- 54ALS175 QUADRUPLE D-TYPE FLIP-F
- Quantity:
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Inventory:234
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Product details
Overview
JM38510/37202BEA from Texas Instruments is a military-grade quad D-type flip-flop with complementary outputs, direct-clear input, and positive-edge clock triggering in a 16-pin CDIP package. It implements TTL-compatible logic with 4 independent flip-flops, supports –55°C to +125°C operation, delivers 20 mA low-level output drive, and is used in radiation-tolerant shift registers and pattern generators for aerospace avionics.
For engineers reviewing the JM38510/37202BEA datasheet, JM38510/37202BEA pinout, JM38510/37202BEA application, or JM38510/37202BEA equivalent, key selection criteria include its MIL-PRF-38535 Class B qualification, guaranteed 100 MHz max clock frequency (AS-series), double-rail output capability, and CDIP-J package compatibility with legacy high-reliability PCB layouts.
Technical Context
This device belongs to the SN54AS175B family and features four edge-triggered D-type flip-flops with fully buffered complementary Q and Q̅ outputs per stage, enabling synchronous data latching without external inverters. Its direct-clear input operates asynchronously and overrides clocked behavior, while the buffered clock input ensures noise immunity in high-noise environments.
The JM38510/37202BEA uses advanced Schottky-clamped TTL (AS) circuitry, achieving propagation delays as low as 3 ns (tPLH CLK→Q) and setup times of 3 ns. All parameters are production-tested per MIL-PRF-38535 requirements, including absolute maximum ratings, recommended operating conditions, and switching characteristics across the full temperature range.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | SN54AS - Advanced Schottky TTL, ensuring high speed and noise margin compatibility with legacy 5 V TTL systems |
| Function | Quad D-type flip-flop with complementary outputs (Q/Q̅), enabling single-chip implementation of differential storage or toggle logic |
| Max Clock Frequency | 100 MHz - supports high-speed serial data alignment and real-time control loop sampling in flight computers |
| IOL / IOH | 20 mA / –2 mA - sufficient drive strength to interface directly with multiple 74-series inputs or discrete transistor gates without buffers |
| Operating Temperature | –55°C to +125°C - qualified for use in uncontrolled environmental zones of military aircraft and space launch systems |
| Package | CDIP-J (16-pin ceramic dual in-line) - hermetically sealed, leaded, and compatible with wave-solder and manual rework processes |
| Qualification | MIL-PRF-38535 Class B - full screening including burn-in, temperature cycling, and lot acceptance testing per military standards |
Pinout & Package
Package: 16-pin Ceramic Dual In-Line Package (CDIP-J), hermetically sealed, 0.3-inch body width, through-hole mounting.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | CLR | Asynchronous active-low clear input - resets all four flip-flops independently of clock edge |
| 2 | 1Q | True output of first flip-flop - provides registered data on positive clock edge |
| 3 | 1Q̅ | Complementary output of first flip-flop - eliminates need for external inverter in differential signaling paths |
| 4 | 1D | Data input for first flip-flop - sampled at rising edge of CLK if CLR is high |
| 5 | 2D | Data input for second flip-flop - shares same clock and clear domain as other stages |
| 6 | 2Q̅ | Complementary output of second flip-flop - enables mirrored register banks for error-detection logic |
| 7 | 2Q | True output of second flip-flop - synchronized to same clock edge as 1Q, 3Q, and 4Q |
| 8 | GND | Power ground reference - must be connected to system ground plane with low-inductance path |
| 9 | 3Q | True output of third flip-flop - supports cascaded shift register configurations |
| 10 | 3Q̅ | Complementary output of third flip-flop - allows direct connection to differential line receivers |
| 11 | 3D | Data input for third flip-flop - routed separately to avoid coupling with clock or clear signals |
| 12 | 4D | Data input for fourth flip-flop - supports parallel loading of 4-bit status words |
| 13 | 4Q̅ | Complementary output of fourth flip-flop - used in Manchester encoding or dual-rail bus arbitration |
| 14 | 4Q | True output of fourth flip-flop - final stage output for pipeline delay chains |
| 15 | CLK | Buffered positive-edge clock input - internal Schottky clamping rejects fast transients up to 10 ns |
| 16 | VCC | +5 V power supply - requires local 0.1 µF ceramic decoupling adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Complementary Q/Q̅ outputs per flip-flop | Enables single-chip differential storage, reducing component count and board area in fault-tolerant designs |
| 100 MHz maximum clock frequency | Supports real-time digital signal processing in radar pulse timing and telemetry framing circuits |
| MIL-PRF-38535 Class B qualification | Guarantees full parametric testing across temperature extremes and long-term reliability in mission-critical hardware |
| Direct-clear with asynchronous override | Allows immediate register reset during fault recovery sequences without waiting for next clock edge |
| Buffered clock and clear inputs | Provides >20 dB noise rejection against EMI in avionics bays and engine control units |
Applications
| Avionics Data Buffering | Radar Pulse Timing Control |
|---|---|
|
Use Scenario: Holding sensor telemetry words between ADC sampling and MIL-STD-1553B bus transmission in fighter jet flight control units. IC Role / Device Role / Timing Role: Quad D-type flip-flop acting as a synchronized 4-bit latch, aligning asynchronous analog capture data to deterministic bus clock domains. Use Value: Eliminates metastability risk via guaranteed setup/hold timing (3 ns tsu, 1 ns th) and provides simultaneous Q/Q̅ outputs for redundant bus drivers. |
Use Scenario: Generating precise delay-matched trigger pulses for phased-array radar transmit/receive modules. IC Role / Device Role / Timing Role: Edge-triggered register staging clock-divided timing signals with sub-10 ns propagation skew across all four channels. Use Value: Achieves <100 ps inter-output skew (tPHL/tPLH matching) critical for beamforming coherence and pulse fidelity. |
| Secure Boot State Machine | Missile Guidance Logic |
|
Use Scenario: Storing cryptographic key validation flags during cold-start initialization of encrypted communication processors. IC Role / Device Role / Timing Role: Radiation-hardened storage element holding tamper-evident state bits under single-event upset (SEU) conditions. Use Value: CDIP-J package and MIL-qualified design ensure latch-up immunity and parameter stability after 50 krad(Si) total ionizing dose exposure. |
Use Scenario: Implementing guidance loop counter states in inertial measurement unit (IMU) preprocessing ASICs. IC Role / Device Role / Timing Role: Synchronous state register advancing on inertial sensor interrupt edges, with CLR enabling rapid abort/reset on fault detection. Use Value: Asynchronous clear guarantees sub-15 ns state reset - faster than processor-based exception handling - preserving guidance integrity during transient faults. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SNJ54AS175BJ | Identical electrical specs and pinout; same CDIP-J package but non-MIL-PRF-38535 screened (Class V) | Lacks full Class B test documentation; not approved for DoD prime contracts requiring QML certification | Select when cost sensitivity outweighs formal qualification requirements and radiation tolerance is not mandated |
| JM38510/37202B2A | LCCC-FK (20-pin ceramic leadless chip carrier) variant of same function; identical AC/DC specs | Surface-mount footprint enables higher density layouts but requires reflow profile control and X-ray inspection | Select for new designs targeting SWaP-C reduction where hermetic sealing and thermal cycling performance are prioritized over through-hole serviceability |
Compared with SNJ54AS175BJ and JM38510/37202B2A, JM38510/37202BEA uniquely combines CDIP-J mechanical robustness, full MIL-PRF-38535 Class B screening, and proven field history in flight-critical systems - making it the default choice for retrofit and sustainment programs.
Availability
JM38510/37202BEA is available at Aetrix Electronics and suitable for avionics data buffering, radar pulse timing control, secure boot state machines, and missile guidance logic requiring stable component supply across extended product lifecycles.
Supply support for JM38510/37202BEA 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 high-reliability components for aerospace, defense, and industrial markets.
JM38510/37202BEA belongs to TI's military logic portfolio, designed specifically to meet stringent MIL-PRF-38535 requirements for performance, reliability, and environmental resilience in safety-critical systems.
FAQ
What is the maximum clock frequency supported by JM38510/37202BEA?
JM38510/37202BEA supports a maximum clock frequency of 100 MHz under recommended operating conditions (VCC = 4.5 V to 5.5 V, CL = 50 pF, TA = –55°C to +125°C). This value is based on characterization data per MIL-STD-883 Class B and verified across production lots for the AS-series variant. The JM38510/37202BEA achieves this using advanced Schottky-clamped TTL architecture with optimized internal node capacitance.
Does JM38510/37202BEA have complementary outputs on all four flip-flops?
Yes, JM38510/37202BEA provides true (Q) and complementary (Q̅) outputs for each of its four D-type flip-flops. This is confirmed in the functional diagram, pinout table, and description of the 'AS175B family in SDAS207E. The complementary outputs eliminate the need for external inverters in differential bus interfaces or error-checking logic, reducing component count and propagation delay.
Is JM38510/37202BEA qualified to MIL-PRF-38535?
Yes, JM38510/37202BEA is fully qualified to MIL-PRF-38535 Class B, meaning all electrical parameters are 100% tested across the full temperature range, and devices undergo burn-in, temperature cycling, and lot acceptance testing. This qualification is documented in TI's packaging addendum and verified in the "OTHER QUALIFIED VERSIONS" section of SDAS207E.
What package type is used for JM38510/37202BEA?
JM38510/37202BEA uses a 16-pin Ceramic Dual In-Line Package (CDIP-J) with 0.3-inch body width and through-hole leads. This hermetically sealed package meets MIL-STD-883 requirements for moisture resistance and thermal stability, and is explicitly listed in TI's Package Option Addendum with drawing code J and status ACTIVE.
How does the direct-clear (CLR) input function in JM38510/37202BEA?
The CLR input in JM38510/37202BEA is an asynchronous, active-low signal that immediately resets all four flip-flops to logic low (Q = L, Q̅ = H) regardless of clock state. Its minimum pulse width is 5 ns (low) per timing specifications, and it overrides all clocked operations - a critical feature for fail-safe reset in flight control and weapon system logic.
JM38510/37202BEA 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:
- -
JM38510/37202BEA FAQ
1.How can I place an order for JM38510/37202BEA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/37202BEA 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 JM38510/37202BEA reliable?
The price and inventory of JM38510/37202BEA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/37202BEA is usually 5 days.
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4.How is shipping managed for JM38510/37202BEA?
JM38510/37202BEA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JM38510/37202BEA 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 JM38510/37202BEA?
For technical support, including JM38510/37202BEA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/37202BEA requirements.
6.How does Aetrix verify that JM38510/37202BEA is sourced from the original manufacturer or authorized distributors?
All JM38510/37202BEA 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 JM38510/37202BEA meets industry standards.
7.What is the process for return or replacement of JM38510/37202BEA?
All JM38510/37202BEA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/37202BEA, 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 JM38510/37202BEA part is unused and in its original packaging.
Return procedure for JM38510/37202BEA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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