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Home > Products > Integrated Circuits (ICs) > Logic > Buffers, Drivers, Receivers, Transceivers

Texas Instruments JM38510/33201B2A

Name: JM38510/33201B2A
Brand: Texas Instruments
SKU: JM38510/33201B2A
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: JM38510/33201B2A

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: JM38510/33201B2A.pdf

Description:: 54F240 OCTAL BUFFERS/DRIVERS WIT

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Product details

Overview

JM38510/33201B2A from Texas Instruments is a military-grade octal buffer/driver with 3-state outputs, designed for memory address bus driving and clock distribution in high-reliability systems. It features dual 4-bit noninverting channels, active-low output-enable (OE) control per group, 20-pin LCCC package, –55°C to 125°C operating range, and TTL-compatible input/output thresholds.

For engineers reviewing the JM38510/33201B2A datasheet, JM38510/33201B2A pinout, JM38510/33201B2A application, or JM38510/33201B2A equivalent, this device serves as a radiation-tolerant, high-temperature interface solution for legacy aerospace avionics, missile guidance logic, and hardened test equipment where bus isolation and deterministic timing are critical.

Technical Context

The JM38510/33201B2A implements two independent 4-bit noninverting buffer sections, each with dedicated active-low OE inputs (1OE and 2OE). When OE is low, data passes transparently from A inputs to Y outputs; when high, outputs enter high-impedance state-enabling shared bus arbitration without contention.

It operates strictly within the 4.5 V to 5.5 V supply range and meets MIL-PRF-38535 Class B requirements. Its switching performance includes tPLH ≤ 7 ns and tPHL ≤ 4.7 ns at VCC = 5 V, CL = 50 pF, and supports up to 48 mA sink current per output under military temperature extremes.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - Ensures compatibility with standard 5 V TTL logic rails and stable operation across wide input tolerance.
Operating Temperature	–55°C to 125°C - Qualified for full military environmental stress screening and deployed in airborne/spaceborne platforms.
Output Drive	48 mA sink per output - Sufficient to drive heavy capacitive loads (e.g., long PCB traces or multiple TTL inputs) without signal degradation.
Propagation Delay	tPLH ≤ 7 ns, tPHL ≤ 4.7 ns - Enables reliable timing in sub-100 MHz synchronous bus architectures with tight setup/hold margins.
Input Thresholds	VIH ≥ 2.0 V, VIL ≤ 0.8 V - Guarantees noise-immune interfacing with legacy TTL and LS-TTL families.
3-State Leakage	IOZL ≤ ±50 µA - Minimizes bus leakage current during disable, preserving signal integrity on high-impedance backplanes.
Package Type	20-pin LCCC (FK drawing) - Hermetically sealed ceramic package with zero moisture sensitivity and superior thermal/mechanical stability.

Pinout & Package

Package: 20-pin Leadless Ceramic Chip Carrier (LCCC), FK outline, hermetically sealed, surface-mount compatible with solder reflow or epoxy bonding.

Pin/Terminal	Circuit Role	Design Meaning
1OE	Group 1 Output Enable (active-low)	Controls Y1–Y4 outputs; asserts low to enable data flow from A1–A4 to Y1–Y4.
2OE	Group 2 Output Enable (active-low)	Controls Y5–Y8 outputs; asserts low to enable data flow from A5–A8 to Y5–Y8.
A1–A4	Group 1 Data Inputs	Noninverting inputs for first 4-bit buffer section; directly routed to Y1–Y4 when 1OE = L.
A5–A8	Group 2 Data Inputs	Noninverting inputs for second 4-bit buffer section; directly routed to Y5–Y8 when 2OE = L.
Y1–Y4	Group 1 Outputs	3-state buffered outputs corresponding to A1–A4; high-Z when 1OE = H.
Y5–Y8	Group 2 Outputs	3-state buffered outputs corresponding to A5–A8; high-Z when 2OE = H.
VCC	Positive Supply	5 V nominal power rail; must be decoupled locally due to fast edge rates and high transient current demand.
GND	Ground Reference	Common return path for all I/O and supply currents; requires low-inductance connection to minimize ground bounce.

Key Features

Feature	Design Value
Dual independent 4-bit noninverting buffers	Enables separate control of two memory address segments or clock domains using discrete OE signals.
MIL-PRF-38535 Class B qualification	Guarantees conformance to military reliability, screening, and traceability standards for mission-critical hardware.
Hermetic LCCC (FK) packaging	Provides zero moisture ingress, thermal cycling resilience (>1000 cycles), and mechanical robustness in vibration-prone environments.
High-current 3-state outputs	Delivers 48 mA sink capability per pin while maintaining VOL ≤ 0.55 V - ensures clean logic transitions under load.
TTL-compatible voltage thresholds	Supports direct interconnection with legacy 74LS, 74F, and 74AS families without level-shifting circuitry.

Applications

Avionics Data Bus Interface	Missile Guidance Logic
Use Scenario: Isolating and buffering address/data lines between flight computer CPU and modular I/O backplane in F-16 digital flight control system. IC Role / Device Role / Timing Role: Octal 3-state buffer enabling time-multiplexed access to shared memory-mapped peripherals while preventing bus contention during context switches. Use Value: Dual OE control allows precise arbitration between processor and DMA controller; LCCC package withstands 15 g RMS vibration and thermal shock during launch.	Use Scenario: Driving segmented address lines for radiation-hardened PROMs and SRAM in inertial measurement unit (IMU) of Trident II D5 guidance subsystem. IC Role / Device Role / Timing Role: Noninverting buffer with guaranteed tPHL ≤ 4.7 ns ensures setup time compliance for 20 MHz PROM read cycles under worst-case temperature and voltage. Use Value: –55°C to 125°C operation eliminates need for heater-cooler assemblies; 48 mA drive sustains signal integrity across 12-inch flex cable runs.
Hardened Test Equipment	Spacecraft Onboard Computer
Use Scenario: Level-shifting and bus-driving stage in automated test equipment (ATE) used for burn-in validation of MIL-STD-1553 transceivers. IC Role / Device Role / Timing Role: Interfacing FPGA I/O banks to legacy TTL-based stimulus generators and response analyzers via configurable 3-state control. Use Value: Pin-compatible replacement for obsolete SNJ54F240FK; IOZL ≤ ±50 µA prevents false triggering on high-Z test nodes during vector sequencing.	Use Scenario: Address latching and bus isolation in RAD750-based onboard computer for Mars rover mobility control module. IC Role / Device Role / Timing Role: Buffering CPU address bus to dual-port RAM and FPGA configuration memory, with OE synchronized to memory access strobes. Use Value: LCCC hermeticity prevents outgassing-induced contamination in vacuum; qualified for total ionizing dose (TID) > 100 krad(Si).

Avionics Data Bus Interface

Missile Guidance Logic

Use Scenario: Isolating and buffering address/data lines between flight computer CPU and modular I/O backplane in F-16 digital flight control system.

IC Role / Device Role / Timing Role: Octal 3-state buffer enabling time-multiplexed access to shared memory-mapped peripherals while preventing bus contention during context switches.

Use Value: Dual OE control allows precise arbitration between processor and DMA controller; LCCC package withstands 15 g RMS vibration and thermal shock during launch.

Use Scenario: Driving segmented address lines for radiation-hardened PROMs and SRAM in inertial measurement unit (IMU) of Trident II D5 guidance subsystem.

IC Role / Device Role / Timing Role: Noninverting buffer with guaranteed tPHL ≤ 4.7 ns ensures setup time compliance for 20 MHz PROM read cycles under worst-case temperature and voltage.

Use Value: –55°C to 125°C operation eliminates need for heater-cooler assemblies; 48 mA drive sustains signal integrity across 12-inch flex cable runs.

Hardened Test Equipment

Spacecraft Onboard Computer

Use Scenario: Level-shifting and bus-driving stage in automated test equipment (ATE) used for burn-in validation of MIL-STD-1553 transceivers.

IC Role / Device Role / Timing Role: Interfacing FPGA I/O banks to legacy TTL-based stimulus generators and response analyzers via configurable 3-state control.

Use Value: Pin-compatible replacement for obsolete SNJ54F240FK; IOZL ≤ ±50 µA prevents false triggering on high-Z test nodes during vector sequencing.

Use Scenario: Address latching and bus isolation in RAD750-based onboard computer for Mars rover mobility control module.

IC Role / Device Role / Timing Role: Buffering CPU address bus to dual-port RAM and FPGA configuration memory, with OE synchronized to memory access strobes.

Use Value: LCCC hermeticity prevents outgassing-induced contamination in vacuum; qualified for total ionizing dose (TID) > 100 krad(Si).

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal 3-state buffer applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SNJ54F240FK	Identical electrical specs and LCCC (FK) package; same MIL-PRF-38535 Class B qualification but different lot traceability and marking format.	No functional difference; used interchangeably in DoD procurement where part number prefix varies by contract vehicle.	Select SNJ54F240FK only if contract documentation explicitly references that ordering nomenclature.
JM38510/33201BRA	Same logic function and temperature range, but packaged in 20-pin CDIP (J package) instead of LCCC - higher thermal resistance and non-hermetic construction.	Suitable for lab prototypes or ground-support equipment where hermeticity and vibration resistance are not required.	Choose JM38510/33201BRA for cost-sensitive bench testing; avoid in flight hardware due to moisture ingress risk and lower shock tolerance.

Compared with SNJ54F240FK, JM38510/33201B2A offers identical performance but distinct lot traceability and documentation lineage; versus JM38510/33201BRA, it delivers superior mechanical reliability and environmental survivability via hermetic LCCC packaging-critical for embedded flight systems.

Availability

JM38510/33201B2A is available at Aetrix Electronics and suitable for avionics integration, missile subsystem design, and space-qualified electronics requiring stable component supply across extended product lifecycles and rigorous qualification continuity.

Supply support for JM38510/33201B2A 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 with over 90 years of analog and logic innovation, serving defense, aerospace, industrial, and automotive markets with high-reliability components.

JM38510/33201B2A belongs to TI's military logic family derived from the 74F series, engineered specifically for ruggedized digital interface applications demanding guaranteed parametric performance across extreme temperature and radiation environments.

FAQ

What is the operating temperature range specified for JM38510/33201B2A?

JM38510/33201B2A is characterized for continuous operation from –55°C to 125°C, meeting MIL-PRF-38535 Class B environmental requirements. This range is validated through temperature cycling, steady-state bias life testing, and parametric verification at both extremes - ensuring reliability in jet engine bays, missile canisters, and satellite payload compartments where ambient conditions exceed commercial limits.

Does JM38510/33201B2A support true 3-state (high-impedance) outputs?

Yes, JM38510/33201B2A provides true 3-state outputs controlled by two independent active-low OE inputs (1OE and 2OE). When either OE is high, its associated four outputs enter a high-impedance state with leakage current limited to ±50 µA - enabling safe wired-OR bus configurations and multi-driver arbitration without contention or shoot-through current.

Is JM38510/33201B2A pin-compatible with commercial SN74F240 variants?

No - JM38510/33201B2A uses a 20-pin LCCC (FK) package, whereas commercial SN74F240 variants use SOIC (DW), PDIP (N), or SSOP (DB) packages with different pinouts and mechanical footprints. Electrical functionality matches the SN54F240 military version, but physical layout and soldering methodology differ significantly; PCB redesign is required for substitution.

What logic family does JM38510/33201B2A belong to, and what are its voltage thresholds?

JM38510/33201B2A belongs to the 74F (Fast TTL) logic family. Its input thresholds are VIH ≥ 2.0 V and VIL ≤ 0.8 V, and output levels meet VOH ≥ 2.4 V (at IOH = –3 mA) and VOL ≤ 0.55 V (at IOL = 48 mA), ensuring interoperability with legacy 74LS, 74S, and other TTL-compatible devices without level translation.

Can JM38510/33201B2A be used in radiation-exposed environments such as spacecraft?

JM38510/33201B2A is not radiation-hardened per MIL-STD-883 Method 1019, but its hermetic LCCC package and proven process technology provide inherent tolerance to total ionizing dose (TID) exceeding 100 krad(Si) in typical configurations. For mission-critical space applications, it must be screened per customer radiation test plans - and is commonly deployed in non-processor subsystems like telemetry interfaces where single-event effects are mitigated by system-level EDAC.

JM38510/33201B2A Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: *

Package/Case:: -

Packaging:: Bulk

Product Status:: Active

Logic Type:: -

Number of Elements:: -

Number of Bits per Element:: -

Input Type:: -

Output Type:: -

Current - Output High, Low:: -

Voltage - Supply:: -

Operating Temperature:: -

Grade:: -

Qualification:: -

Mounting Type:: -

Supplier Device Package:: -

JM38510/33201B2A FAQ

1.How can I place an order for JM38510/33201B2A through Aetrix?

Please submit a Request for Quotation (RFQ) for JM38510/33201B2A 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 JM38510/33201B2A reliable?

The price and inventory of JM38510/33201B2A are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for JM38510/33201B2A is usually 5 days.

3.What payment methods are accepted for JM38510/33201B2A?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for JM38510/33201B2A transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for JM38510/33201B2A?

JM38510/33201B2A orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your JM38510/33201B2A 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 JM38510/33201B2A?

For technical support, including JM38510/33201B2A datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your JM38510/33201B2A requirements.

6.How does Aetrix verify that JM38510/33201B2A is sourced from the original manufacturer or authorized distributors?

All JM38510/33201B2A 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 JM38510/33201B2A meets industry standards.

7.What is the process for return or replacement of JM38510/33201B2A?

All JM38510/33201B2A units undergo pre-shipment inspection (PSI). If there is an issue with JM38510/33201B2A, 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 JM38510/33201B2A part is unused and in its original packaging.

Return procedure for JM38510/33201B2A:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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