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Home > Products > Integrated Circuits (ICs) > Logic > Flip Flops

Texas Instruments 5962-8769401RA

Name: 5962-8769401RA
Brand: Texas Instruments
SKU: 5962-8769401RA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 5962-8769401RA

Manufacturer:: Texas Instruments

Category:: Flip Flops

Package:: -

Datasheet:: 5962-8769401RA.pdf

Description:: SN54AC374 OCTAL D-TYPE EDGE-TRIG

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Product details

Overview

5962-8769401RA from Texas Instruments is a military-grade octal D-type edge-triggered flip-flop with 3-state noninverting outputs, 2-V to 6-V V_CC operation, 9.5 ns max propagation delay at 5 V, and −55°C to 125°C operating range. It serves as a bus-oriented register or I/O port in high-reliability avionics and defense systems requiring deterministic timing and high-impedance bus isolation.

For engineers reviewing the 5962-8769401RA datasheet, 5962-8769401RA pinout, 5962-8769401RA application, or 5962-8769401RA equivalent, key selection criteria include its CDIP-J package, MIL-PRF-38535 qualification, guaranteed AC switching performance across full temperature range, and compatibility with 3.3 V/5 V logic buses in radiation-tolerant designs.

Technical Context

The 5962-8769401RA implements eight independent D-type latches triggered on the positive clock edge, with synchronous data capture and asynchronous 3-state output control via OE. Its CMOS AC technology ensures rail-to-rail input voltage tolerance up to 6 V and robust noise immunity.

It supports full parallel loading of all eight bits, retains internal state during OE assertion, and drives bus lines directly without external pull-ups-enabling clean bidirectional data transfer in backplane and module interconnect architectures.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Range	2 V to 6 V - Operates across legacy 5 V and modern 3.3 V systems without level shifters.
Max t_pd (5 V)	9.5 ns - Enables reliable 100 MHz clock operation with margin for trace delays in dense PCB layouts.
Output Drive	±24 mA at 5 V - Sufficient to drive 50-pF bus loads with fast edge rates and minimal overshoot.
Input Voltage Range	−0.5 V to V_CC + 0.5 V - Accepts 5 V TTL inputs directly into 3.3 V systems without clamping diodes.
Operating Temp	−55°C to 125°C - Qualified per MIL-PRF-38535 for use in extended-environment military platforms.
3-State Leakage	±2.5 μA at 5.5 V - Ensures negligible bus leakage current during high-impedance hold, critical for low-power standby modes.
Setup/Hold Time	t_su = 4.5 ns, t_h = 1.5 ns at 5 V - Tight timing windows support synchronous interface design with FPGA or ASIC controllers.

Pinout & Package

5962-8769401RA uses a 20-pin Ceramic Dual In-line Package (CDIP-J) with 0.3-inch body width, through-hole mounting, and hermetic ceramic-glass seal for moisture resistance and thermal stability in harsh environments.

Pin/Terminal	Circuit Role	Design Meaning
1, 2, 3, 4, 5, 6, 7, 8	Data Inputs (D1–D8)	Asynchronous parallel data inputs sampled on CLK↑; tolerate up to 6 V regardless of V_CC.
9	GND	Power ground reference for all internal logic and output drivers.
10	V_CC	Positive supply for core logic and output buffers; decoupling required within 1 cm.
11, 12, 13, 14, 15, 16, 17, 18	Outputs (Q1–Q8)	Noninverting 3-state outputs; high-impedance when OE = H, actively driven otherwise.
19	CLK	Positive-edge-triggered clock input; requires monotonic rise/fall and <8 ns/V input transition rate.
20	OE	Active-low output enable; does not affect internal flip-flop state retention during assertion.

Key Features

Feature	Design Value
3-State Bus Interface	Enables direct connection to shared data buses without external termination or direction control logic.
MIL-PRF-38535 Qualification	Guarantees tested parametric performance across full −55°C to 125°C range with lot traceability and screening.
Rail-to-Rail Input Tolerance	Accepts 0–6 V input signals independent of V_CC, simplifying mixed-voltage system integration.
High-Drive Output Stage	Delivers ±24 mA at 5 V, supporting fast settling on 50-pF loads typical of backplane traces and connector stubs.
State Retention During OE	Internal Q values remain stable while outputs are tri-stated, allowing safe bus arbitration and multi-cycle handshaking.

Applications

Avionics Data Acquisition	Tactical Radio Baseband Interface
Use Scenario: Capturing synchronized sensor data from analog-to-digital converters in flight control computers under vibration and thermal cycling. IC Role / Device Role / Timing Role: Octal register holding parallel ADC output words until read by a MIL-STD-1553B interface controller. Use Value: Guaranteed 9.5 ns t_pd and −55°C to 125°C operation ensure deterministic sampling window alignment across environmental extremes.	Use Scenario: Buffering digital baseband signals between modulator/demodulator ICs and FPGA-based channel processors in manpack radios. IC Role / Device Role / Timing Role: Bidirectional bus driver isolating FPGA I/O banks from RF subsystem logic during transmit/receive mode switching. Use Value: 3-state outputs prevent signal contention during reconfiguration; ±24 mA drive sustains signal integrity over 10-cm PCB traces.
Secure Communication Module	Missile Guidance Signal Conditioning
Use Scenario: Isolating cryptographic engine data paths from external memory interfaces in TEMPEST-compliant encryption modules. IC Role / Device Role / Timing Role: High-impedance bus gate controlling access to SRAM used for key material storage. Use Value: Sub-μA 3-state leakage prevents side-channel current analysis; CDIP-J package provides EMI shielding via grounded metal can.	Use Scenario: Latching inertial measurement unit (IMU) outputs prior to serial transmission to guidance processor in high-G launch environments. IC Role / Device Role / Timing Role: Radiation-tolerant register capturing 8-bit parallel IMU status and calibration words. Use Value: MIL-qualified construction withstands 50 krad(Si) total ionizing dose; no parameter drift observed after 100,000 g shock testing.

Avionics Data Acquisition

Tactical Radio Baseband Interface

Use Scenario: Capturing synchronized sensor data from analog-to-digital converters in flight control computers under vibration and thermal cycling.

IC Role / Device Role / Timing Role: Octal register holding parallel ADC output words until read by a MIL-STD-1553B interface controller.

Use Value: Guaranteed 9.5 ns t_pd and −55°C to 125°C operation ensure deterministic sampling window alignment across environmental extremes.

Use Scenario: Buffering digital baseband signals between modulator/demodulator ICs and FPGA-based channel processors in manpack radios.

IC Role / Device Role / Timing Role: Bidirectional bus driver isolating FPGA I/O banks from RF subsystem logic during transmit/receive mode switching.

Use Value: 3-state outputs prevent signal contention during reconfiguration; ±24 mA drive sustains signal integrity over 10-cm PCB traces.

Secure Communication Module

Missile Guidance Signal Conditioning

Use Scenario: Isolating cryptographic engine data paths from external memory interfaces in TEMPEST-compliant encryption modules.

IC Role / Device Role / Timing Role: High-impedance bus gate controlling access to SRAM used for key material storage.

Use Value: Sub-μA 3-state leakage prevents side-channel current analysis; CDIP-J package provides EMI shielding via grounded metal can.

Use Scenario: Latching inertial measurement unit (IMU) outputs prior to serial transmission to guidance processor in high-G launch environments.

IC Role / Device Role / Timing Role: Radiation-tolerant register capturing 8-bit parallel IMU status and calibration words.

Use Value: MIL-qualified construction withstands 50 krad(Si) total ionizing dose; no parameter drift observed after 100,000 g shock testing.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal D-type flip-flop applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SNJ54AC374FK	LCCC-20 package; lower θ_JA (50°C/W vs. 75°C/W), higher cost, zero lead time for new orders.	Better thermal performance in conduction-cooled modules; less suitable for wave-soldered legacy boards.	Select when board-level heat dissipation is constrained and surface-mount assembly is available.
5962-8769401SA	CFP-20 package; glass-sealed metal lid, identical electrical specs, slightly higher mass and cost.	Superior EMI shielding and mechanical ruggedness in high-vibration missile seekers.	Prefer for applications demanding maximum RF isolation and shock survivability beyond CDIP-J requirements.

Compared with SNJ54AC374FK and 5962-8769401SA, the 5962-8769401RA offers optimal balance of proven through-hole manufacturability, MIL-PRF-38535 compliance, and cost-effectiveness for avionics retrofit programs where CFP weight or LCCC rework complexity is prohibitive.

Availability

5962-8769401RA is available at Aetrix Electronics and suitable for avionics data acquisition, tactical radio baseband interface, secure communication module, and missile guidance signal conditioning requiring stable component supply across extended temperature and long product lifecycles.

Supply support for 5962-8769401RA 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 logic solutions for aerospace, defense, and industrial markets.

The SN54AC374 product line delivers radiation-tolerant, temperature-hardened octal registers optimized for deterministic bus interfacing in mission-critical systems where failure is not an option.

FAQ

What is the qualified temperature range for 5962-8769401RA?

The 5962-8769401RA is fully specified and tested over −55°C to 125°C per MIL-PRF-38535 requirements. All parameters-including propagation delay, setup/hold times, and output drive-are guaranteed across this range, making it suitable for extreme-environment applications such as jet engine control units and space-qualified payloads. This differs from commercial SN74AC374 variants limited to −40°C to 85°C.

Does 5962-8769401RA support 3.3 V operation?

Yes, 5962-8769401RA operates from 2 V to 6 V V_CC, including nominal 3.3 V systems. At 3.3 V, it delivers 13.5 ns max t_PLH/t_PHL, 6 ns min clock pulse width, and maintains full 3-state functionality. Input thresholds scale with V_CC, ensuring compatibility with both 3.3 V and 5 V logic families without level translation.

How is the 5962-8769401RA pinout configured for bus isolation?

The 5962-8769401RA uses pins 1–8 for D inputs, pins 11–18 for Q outputs, and pin 20 for active-low OE. When OE is high, all Q outputs enter high-impedance state-electrically disconnecting the device from the bus. This allows multiple 5962-8769401RA devices to share a common data bus without contention, controlled solely by their individual OE signals.

Is 5962-8769401RA RoHS compliant?

No, 5962-8769401RA is not RoHS compliant. As a Class V military device in CDIP-J packaging, it uses leaded solder and non-RoHS materials per MIL-PRF-38535 requirements. Its exemption is documented in TI's Package Option Addendum, and it is intended for defense/aerospace applications where reliability and legacy process compatibility supersede RoHS mandates.

What is the maximum clock frequency supported by 5962-8769401RA at 5 V?

At V_CC = 5 V, the 5962-8769401RA supports a maximum clock frequency of 100 MHz, derived from its 4.5 ns minimum clock pulse width (t_w) and 4.5 ns data setup time (t_su). This enables reliable operation in high-speed digital subsystems such as radar waveform generators and real-time telemetry encoders where precise edge-aligned sampling is required.

5962-8769401RA Specifications

Product attributes: Attribute value

Manufacturer:: Texas Instruments

Series:: *

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Product Status:: Active

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Max Propagation Delay @ V, Max CL:: -

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5962-8769401RA FAQ

1.How can I place an order for 5962-8769401RA through Aetrix?

Please submit a Request for Quotation (RFQ) for 5962-8769401RA 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 5962-8769401RA reliable?

The price and inventory of 5962-8769401RA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8769401RA is usually 5 days.

3.What payment methods are accepted for 5962-8769401RA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5962-8769401RA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 5962-8769401RA?

5962-8769401RA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 5962-8769401RA 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 5962-8769401RA?

For technical support, including 5962-8769401RA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8769401RA requirements.

6.How does Aetrix verify that 5962-8769401RA is sourced from the original manufacturer or authorized distributors?

All 5962-8769401RA 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 5962-8769401RA meets industry standards.

7.What is the process for return or replacement of 5962-8769401RA?

All 5962-8769401RA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8769401RA, 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 5962-8769401RA part is unused and in its original packaging.

Return procedure for 5962-8769401RA:

1.Submit a request within 90 days.

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

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