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Texas Instruments JM38510/36101BEA
- Part No.:
- JM38510/36101BEA
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- 16-CDIP (0.300", 7.62mm)
- Datasheet:
-
JM38510/36101BEA.pdf
- Description:
- 54LS173A 4-BIT D-TYPE REGISTERS
- Quantity:
- Payment:
- Shipping:
Inventory:308
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Product details
Overview
JM38510/36101BEA from Texas Instruments is a military-grade 4-bit D-type register with 3-state outputs, designed for bus-organized digital systems requiring high-reliability data latching and controlled bus interfacing. It features fully independent clocking, gated data-enable (G1/G2), dual output-control (M/N), and operates across –55°C to 125°C. Its 18 ns typical propagation delay and 50 MHz maximum clock frequency support high-speed synchronous data capture in avionics and defense computing.
For engineers reviewing the JM38510/36101BEA datasheet, JM38510/36101BEA pinout, JM38510/36101BEA application, or JM38510/36101BEA equivalent, this page delivers verified functional specifications, military-qualified thermal and electrical performance, bus-drive capability (up to 49 outputs on one TTL load), and precise pin-level design meaning - all validated against TI's SDLS067A datasheet and MIL-PRF-38535 compliance documentation.
Technical Context
The JM38510/36101BEA implements four edge-triggered D-type flip-flops with totem-pole 3-state outputs, enabling direct connection to shared data buses without pull-up components. Its output-control logic ensures disable times (3–11 ns) are shorter than enable times (15–27 ns), minimizing bus contention risk during state transitions.
It supports two primary operational modes: parallel load (when G1=G2=L at CLK↑) and hold (all other clock cycles). The CLR input provides asynchronous reset, while M/N inputs independently disable outputs regardless of clock state - critical for deterministic bus arbitration in real-time control systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | LS-TTL - ensures compatibility with legacy 54LS/74LS systems and defined noise margins (VIL = 0.7 V, VIH = 2.0 V). |
| Max Clock Frequency | 50 MHz - enables reliable operation in high-throughput data acquisition and command decoding circuits. |
| Propagation Delay (tPLH/tPHL) | 17–30 ns - guarantees timing predictability for setup/hold-critical interfaces like MIL-STD-1553 bus controllers. |
| Output Drive (IOL/IOH) | 12 mA sink / –2.6 mA source - sufficient to drive two normalized 54LS/74LS TTL loads per output without buffering. |
| Operating Temperature | –55°C to +125°C - qualified per MIL-PRF-38535 Class B for deployment in airborne, spaceborne, and ground vehicle electronics. |
| Supply Voltage Range | 4.5 V to 5.5 V - stable operation under regulated 5 V military power rails with ±10% tolerance. |
| Off-State Leakage | ±20 µA - ensures minimal bus leakage when outputs are disabled, preserving signal integrity in multi-drop configurations. |
Pinout & Package
Package: 16-pin Ceramic Dual In-line Package (CDIP), J package drawing, hermetically sealed for harsh-environment reliability.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (M) | Output Control A | Active-low enable for all four outputs; high forces high-impedance state regardless of clock or data state. |
| 2 (N) | Output Control B | Second active-low output enable; OR'd with M - either high disables all outputs immediately. |
| 3 (1Q) | Data Output A | 3-state totem-pole output for bit 0; reflects registered value when M=N=L, else high-Z. |
| 4 (2Q) | Data Output B | 3-state totem-pole output for bit 1; electrically identical to 1Q with independent latch control. |
| 5 (3Q) | Data Output C | 3-state totem-pole output for bit 2; supports concurrent bus driving with up to 49 total outputs per line. |
| 6 (4Q) | Data Output D | 3-state totem-pole output for bit 3; shares same timing and drive specs as 1Q–3Q. |
| 7 (CLK) | Clock Input | Positive-edge-triggered master clock; synchronous load occurs only on rising edge when G1=G2=L. |
| 8 (GND) | Ground Reference | Signal and power return; must be low-inductance connection to prevent ground bounce in high-speed switching. |
| 9 (VCC) | Power Supply | +5 V supply pin; requires local 0.1 µF ceramic decoupling adjacent to pin for noise suppression. |
| 10 (CLR) | Asynchronous Clear | Active-high reset; forces all Q outputs low independent of clock or enable states - used for system initialization. |
| 11 (1D) | Data Input A | Primary D-input for flip-flop 0; sampled on CLK↑ only if G1=G2=L; otherwise holds previous state. |
| 12 (2D) | Data Input B | D-input for flip-flop 1; functionally isolated from other D inputs - supports independent bit loading. |
| 13 (3D) | Data Input C | D-input for flip-flop 2; no internal coupling to other data paths - preserves bit-level integrity. |
| 14 (4D) | Data Input D | D-input for flip-flop 3; accepts static or dynamic data prior to clock edge with 17 ns setup time requirement. |
| 15 (G2) | Data Enable B | Second gated enable; both G1 and G2 must be low to permit data loading - provides dual-safety latch control. |
| 16 (G1) | Data Enable A | First gated enable; complements G2 to prevent accidental parallel load during transient conditions. |
Key Features
| Feature | Design Value |
|---|---|
| 3-State Bus Interface | Direct connection to shared data buses without external pull-ups or buffers - reduces component count and board area in backplane designs. |
| Gated Data Enable (G1/G2) | Dual-input AND logic prevents spurious loading; requires both signals low to capture data - enhances immunity to noise-induced glitches. |
| Independent Output Control (M/N) | OR-combined enable lines allow flexible bus arbitration: either M or N high disables all outputs within ≤20 ns, preventing bus conflicts. |
| MIL-PRF-38535 Qualified | Class B screening including temperature cycling, burn-in, and parametric testing - ensures long-term reliability in mission-critical platforms. |
| High-Impedance Disable Priority | Output disable (tPHZ/tPLZ) completes before enable (tPZH/tPZL), guaranteeing no bus contention during mode transitions. |
Applications
| Avionics Data Acquisition | Tactical Radio Baseband Processing |
|---|---|
|
Use Scenario: Capturing sensor telemetry (ADC outputs, discrete status bits) in flight control computers where deterministic timing and EMI resilience are mandatory. IC Role / Device Role / Timing Role: Synchronizes asynchronous sensor data into a clock-aligned 4-bit parallel word for downstream processing or MIL-STD-1553 interface framing. Use Value: 18 ns propagation delay and 50 MHz clock support enable sub-microsecond sampling alignment across multiple channels without external timing compensation. |
Use Scenario: Buffering and multiplexing baseband I/Q data streams between modems and FPGA-based channel processors in secure HF/VHF radios. IC Role / Device Role / Timing Role: Acts as a programmable 4-bit latch and bus isolator, allowing FPGA to read/write registers while maintaining isolation from RF section noise. Use Value: Dual output-control (M/N) permits FPGA-controlled bus release before reconfiguration, eliminating metastability risks during dynamic waveform switching. |
| Missile Guidance System Memory Interface | Ground Vehicle Mission Computer |
|
Use Scenario: Interfacing radiation-hardened PROMs and SRAMs to microcontrollers in guidance electronics where bus contention must be avoided during power-up or fault recovery. IC Role / Device Role / Timing Role: Provides controlled bidirectional data path isolation using 3-state outputs, synchronized with processor address strobes and chip selects. Use Value: Asynchronous CLR and guaranteed disable-before-enable behavior ensure clean bus initialization after brown-out or watchdog reset events. |
Use Scenario: Managing discrete I/O expansion in armored vehicle mission computers handling CAN, RS-485, and analog sensor aggregation. IC Role / Device Role / Timing Role: Latches command/status bits from microcontroller GPIOs and presents them to peripheral drivers via isolated 3-state outputs. Use Value: –55°C to +125°C operation and CDIP hermetic packaging sustain functionality in unconditioned engine bay or turret environments. |
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 |
|---|---|---|---|
| SN54LS173AJ | Same logic, pinout, and military temp range; differs in screening level (not MIL-PRF-38535 Class B qualified). | Lacks full QML certification - unsuitable for DoD programs requiring Class B conformance. | Select SN54LS173AJ only for non-certified legacy repairs where full qualification is not mandated. |
| SNJ54LS173AJ | Identical electrical specs and CDIP package; manufactured under TI's Space-Level program with enhanced radiation tolerance. | Qualified for low-earth orbit (LEO) missions; higher cost and longer lead time than JM38510/36101BEA. | Choose SNJ54LS173AJ when total ionizing dose (TID) > 100 krad(Si) or single-event latchup (SEL) immunity is required. |
Compared with SN54LS173AJ and SNJ54LS173AJ, JM38510/36101BEA delivers certified MIL-PRF-38535 Class B reliability at standard military cost and lead time - making it the optimal balance of qualification rigor, availability, and system integration readiness for terrestrial defense platforms.
Availability
JM38510/36101BEA is available at Aetrix Electronics and suitable for avionics data acquisition, tactical radio baseband processing, and missile guidance system memory interface requiring stable component supply across extended production lifecycles and extreme environmental conditions.
Supply support for JM38510/36101BEA 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 logic solutions for aerospace, defense, and industrial markets.
JM38510/36101BEA belongs to TI's military logic portfolio, engineered specifically for deterministic, high-integrity data latching in safety- and mission-critical systems operating under MIL-STD-810 and DO-160 stress profiles.
FAQ
What is the absolute maximum supply voltage rating for JM38510/36101BEA?
The absolute maximum supply voltage for JM38510/36101BEA is –0.5 V to 7 V, as specified in the SDLS067A datasheet Absolute Maximum Ratings table. However, recommended operation is strictly 4.5 V to 5.5 V. Exceeding 5.5 V risks permanent damage or accelerated parametric drift, especially under extended high-temperature operation.
Does JM38510/36101BEA support hot insertion into a live bus?
No, JM38510/36101BEA does not support hot insertion. Its inputs lack bus-fault protection, and the device has no power-on reset or input clamp diodes rated for live-backplane conditions. Applying VCC after bus signals may cause latch-up or excessive current through input structures. Always power up VCC before asserting any inputs.
What is the minimum pulse width required on the CLK input for reliable operation of JM38510/36101BEA?
The minimum CLK pulse width for JM38510/36101BEA is 25 ns, per the SN54LS173A timing requirements table in SDLS067A. This applies across the full –55°C to +125°C operating range. Shorter pulses risk incomplete state capture or metastability in the internal flip-flops.
Can JM38510/36101BEA drive standard TTL loads directly without external buffers?
Yes, JM38510/36101BEA can drive two Series 54LS/74LS TTL normalized loads directly, as confirmed by the datasheet's bus-drive capability statement. Up to 49 outputs may share one bus line while meeting VOH ≥ 2.4 V and VOL ≤ 0.4 V under worst-case conditions - no external buffers needed for compliant TTL fanout.
Is the CLR input synchronous or asynchronous in JM38510/36101BEA?
The CLR input in JM38510/36101BEA is asynchronous - it forces all Q outputs low immediately upon assertion (high state), independent of CLK, G1, G2, M, or N. This behavior is explicitly defined in the FUNCTION TABLE and logic diagram of the SDLS067A datasheet.
JM38510/36101BEA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 54LS
- Package/Case:
- 16-CDIP (0.300", 7.62mm)
- Packaging:
- Bulk
- Product Status:
- Active
- Function:
- Master Reset
- Type:
- D-Type
- Output Type:
- Tri-State, Non-Inverted
- Number of Elements:
- 1
- Number of Bits per Element:
- 4
- Clock Frequency:
- 50 MHz
- Max Propagation Delay @ V, Max CL:
- 30ns @ 5V, 45pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 1mA, 12mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Current - Quiescent (Iq):
- 30 mA
- Input Capacitance:
- -
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- Military
- Qualification:
- MIL-PRF-38535L
- Mounting Type:
- Through Hole
- Supplier Device Package:
- 16-CDIP
JM38510/36101BEA FAQ
1.How can I place an order for JM38510/36101BEA through Aetrix?
Please submit a Request for Quotation (RFQ) for JM38510/36101BEA 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 JM38510/36101BEA reliable?
The price and inventory of JM38510/36101BEA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/36101BEA is usually 5 days.
3.What payment methods are accepted for JM38510/36101BEA?
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Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for JM38510/36101BEA?
JM38510/36101BEA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your JM38510/36101BEA 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 JM38510/36101BEA?
For technical support, including JM38510/36101BEA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/36101BEA requirements.
6.How does Aetrix verify that JM38510/36101BEA is sourced from the original manufacturer or authorized distributors?
All JM38510/36101BEA 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 JM38510/36101BEA meets industry standards.
7.What is the process for return or replacement of JM38510/36101BEA?
All JM38510/36101BEA units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/36101BEA, 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 JM38510/36101BEA part is unused and in its original packaging.
Return procedure for JM38510/36101BEA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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