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

Texas Instruments 5962-8550601VSA

Name: 5962-8550601VSA
Brand: Texas Instruments
SKU: 5962-8550601VSA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: 5962-8550601VSA

Manufacturer:: Texas Instruments

Category:: Buffers, Drivers, Receivers, Transceivers

Package:: -

Datasheet:: 5962-8550601VSA.pdf

Description:: SN54HCT245-SP OCTAL BUS TRANSCEI

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Product details

Overview

5962-8550601VSA from Texas Instruments is a military-grade octal bus transceiver with 3-state outputs, bidirectional data flow controlled by DIR and active-low OE, operating at 4.5 V to 5.5 V, delivering ±6 mA output drive at 5 V, and featuring 14 ns typical propagation delay (tpd) under CL = 50 pF load - used for high-reliability bus isolation and signal integrity enhancement in avionics backplanes and radiation-tolerant control systems.

For engineers reviewing the 5962-8550601VSA datasheet, 5962-8550601VSA pinout, 5962-8550601VSA application, or 5962-8550601VSA equivalent, key selection criteria include its −55 °C to +125 °C operating temperature range, CFP-20 hermetic package, 80 µA maximum ICC, TTL-compatible inputs, and guaranteed 30 ns max tpd at worst-case military conditions.

Technical Context

The 5962-8550601VSA implements a standard '245 logic function with dual-control architecture: DIR selects direction (A→B or B→A), while OE enables/disables all eight I/O channels simultaneously into high-impedance state. Its CMOS HCT process ensures TTL-level input compatibility and rail-to-rail output swing.

Designed for asynchronous two-way communication between isolated data buses, it supports up to 15 LSTTL loads per output and maintains balanced propagation delays across all channels. The device features center-aligned VCC and GND pins to minimize switching noise in high-density layouts.

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5 V to 5.5 V - compatible with standard 5-V logic rails and tolerant of supply variation without level-shifting.
Propagation Delay (tpd)	14 ns typical, 30 ns max (CL = 50 pF, VCC = 4.5 V, TA = 25 °C) - enables reliable timing in 30-MHz+ synchronous bus environments.
Output Drive	±6 mA at 5 V - sufficient to directly drive 15 LSTTL loads or overcome ribbon-cable attenuation in backplane interfaces.
Static Supply Current (ICC)	80 µA maximum - supports low-power standby modes in mission-critical systems requiring minimal quiescent consumption.
Operating Temperature	−55 °C to +125 °C - qualified per MIL-PRF-38535 for extended use in aerospace, defense, and downhole industrial applications.
Input Compatibility	TTL-voltage compatible (VIH = 2 V min, VIL = 0.8 V max) - interoperable with legacy 5-V TTL and CMOS logic families without interface circuitry.

Pinout & Package

5962-8550601VSA is housed in a 20-pin Ceramic Flatpack (CFP) package measuring 13.09 mm × 6.92 mm, with side-brazed leads and hermetic sealing for moisture resistance and long-term reliability in harsh environments.

Pin/Terminal	Circuit Role	Design Meaning
1 (DIR)	Direction Control Input	High = A-bus to B-bus data flow; Low = B-bus to A-bus - enables dynamic bus arbitration without external logic.
2–9 (A1–A8)	Port A I/O Channels	Bidirectional data terminals connected to local bus; high-impedance when OE = high or direction mismatched.
10 (GND)	Ground Reference	Primary power return path; center-positioned to reduce ground bounce during simultaneous switching.
11–18 (B8–B1)	Port B I/O Channels	Reversed-order physical layout (B8 to B1) matches standard 20-pin CFP pinout; electrically identical to A-side channels.
19 (OE)	Output Enable Input	Active-low - asserts high-impedance on all A/B ports when high, enabling bus sharing and hot-swap isolation.
20 (VCC)	Power Supply	+5 V nominal supply; center-aligned with GND to minimize loop inductance and improve EMI performance.

Key Features

Feature	Design Value
Bidirectional Bus Isolation	Enables full-duplex communication between two independent buses using single control signals (DIR/OE), eliminating need for separate drivers/receivers.
High-Current 3-State Outputs	±6 mA drive capability at 5 V allows direct connection to long traces, ribbon cables, or backplanes without external buffers - reduces component count and board area.
Military Temperature Range	Qualified from −55 °C to +125 °C per MIL-PRF-38535 - supports deployment in jet engine controllers, satellite payload interfaces, and nuclear instrumentation systems.
Low Static Power Consumption	80 µA max ICC enables integration into always-on subsystems where thermal management and battery life are critical constraints.
TTL-Compatible Inputs	Accepts standard TTL logic thresholds (VIH ≥ 2 V, VIL ≤ 0.8 V) - simplifies migration from legacy 74LS/74ALS designs without redesigning upstream logic.

Applications

Aerospace Avionics Backplane	Defense System Data Bus
Use Scenario: Interfacing flight control computers with sensor acquisition modules across a 30-cm ribbon cable in a fighter aircraft's I/O bay. IC Role / Device Role / Timing Role: Bidirectional signal repeater and bus isolator that regenerates weakened MCU/FPGA outputs before transmission, with DIR synchronized to command/response protocol. Use Value: Restores signal edge rate and amplitude degraded by cable capacitance, enabling error-free 10-MHz burst transfers at −55 °C ambient.	Use Scenario: Connecting secure crypto processors to peripheral I/O cards in an encrypted comms chassis operating under shock/vibration. IC Role / Device Role / Timing Role: High-reliability bus transceiver providing galvanic separation between security domains while maintaining deterministic latency. Use Value: Hermetic CFP package prevents moisture ingress during humidity cycling; 30 ns max tpd ensures real-time response within MIL-STD-1553 timing budgets.
Industrial Motor Drive Controller	Nuclear Plant Instrumentation Interface
Use Scenario: Buffering encoder feedback and PWM command signals between FPGA-based motion controller and high-noise motor driver stage. IC Role / Device Role / Timing Role: Noise-immune bidirectional buffer that decouples sensitive logic from power-stage EMI via controlled impedance and fast edge restoration. Use Value: ±6 mA drive overcomes common-mode noise on 2-m twisted-pair runs; 14 ns tpd preserves closed-loop timing margins in servo systems.	Use Scenario: Isolating analog-to-digital converter outputs from central monitoring system in reactor coolant loop instrumentation cabinets. IC Role / Device Role / Timing Role: Radiation-tolerant bus repeater ensuring data integrity during gamma exposure events without latch-up or parametric shift. Use Value: Qualified per MIL-PRF-38535 Class V ensures no functional degradation after 100 krad(Si) total ionizing dose exposure.

Aerospace Avionics Backplane

Defense System Data Bus

Use Scenario: Interfacing flight control computers with sensor acquisition modules across a 30-cm ribbon cable in a fighter aircraft's I/O bay.

IC Role / Device Role / Timing Role: Bidirectional signal repeater and bus isolator that regenerates weakened MCU/FPGA outputs before transmission, with DIR synchronized to command/response protocol.

Use Value: Restores signal edge rate and amplitude degraded by cable capacitance, enabling error-free 10-MHz burst transfers at −55 °C ambient.

Use Scenario: Connecting secure crypto processors to peripheral I/O cards in an encrypted comms chassis operating under shock/vibration.

IC Role / Device Role / Timing Role: High-reliability bus transceiver providing galvanic separation between security domains while maintaining deterministic latency.

Use Value: Hermetic CFP package prevents moisture ingress during humidity cycling; 30 ns max tpd ensures real-time response within MIL-STD-1553 timing budgets.

Industrial Motor Drive Controller

Nuclear Plant Instrumentation Interface

Use Scenario: Buffering encoder feedback and PWM command signals between FPGA-based motion controller and high-noise motor driver stage.

IC Role / Device Role / Timing Role: Noise-immune bidirectional buffer that decouples sensitive logic from power-stage EMI via controlled impedance and fast edge restoration.

Use Value: ±6 mA drive overcomes common-mode noise on 2-m twisted-pair runs; 14 ns tpd preserves closed-loop timing margins in servo systems.

Use Scenario: Isolating analog-to-digital converter outputs from central monitoring system in reactor coolant loop instrumentation cabinets.

IC Role / Device Role / Timing Role: Radiation-tolerant bus repeater ensuring data integrity during gamma exposure events without latch-up or parametric shift.

Use Value: Qualified per MIL-PRF-38535 Class V ensures no functional degradation after 100 krad(Si) total ionizing dose exposure.

Equivalent & Alternatives

The following parts are listed as comparable options for similar octal bus transceiver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
5962-8550601VRA	Same SN54HCT245 core, but in CDIP-20 package (24.20 mm × 6.92 mm); higher RθJA (43.4 °C/W vs. 36.5 °C/W for CFP).	Less suitable for conduction-cooled chassis; requires larger PCB footprint and lacks hermetic seal.	Select 5962-8550601VRA only when legacy through-hole assembly or socketing is required.
JM38510/65553BSA	Identical electrical specs and CFP-20 package; differs only in device marking and qualification documentation traceability per MIL-PRF-38535 Class B.	No functional difference; used interchangeably in DoD procurement where specific drawing compliance is mandated.	Choose JM38510/65553BSA when contract requires strict adherence to MIL-DTL-38535 Appendix A documentation packages.

Compared with 5962-8550601VSA, 5962-8550601VRA offers through-hole mounting but sacrifices thermal performance and hermeticity, while JM38510/65553BSA provides identical functionality with alternate military certification lineage - both serve as field-proven alternatives where packaging or procurement rules differ.

Availability

5962-8550601VSA is available at Aetrix Electronics and suitable for aerospace avionics, defense electronics, and nuclear instrumentation applications requiring stable component supply, long-term obsolescence management, and certified lot traceability.

Supply support for 5962-8550601VSA 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, with decades of heritage in military and space-grade component development.

The SN54HCT245 product line delivers radiation-hardened, temperature-qualified bus interface ICs designed specifically for deterministic data routing in safety-critical control systems where failure is not an option.

FAQ

What is the operating temperature range of the 5962-8550601VSA?

The 5962-8550601VSA is rated for operation from −55 °C to +125 °C per MIL-PRF-38535 Class V qualification. This extended range ensures reliable functionality in jet engine bays, satellite payloads, and nuclear plant control rooms where ambient extremes are routine. All electrical specifications in the 5962-8550601VSA datasheet are guaranteed across this full interval.

Does the 5962-8550601VSA require external pull-up or pull-down resistors on DIR or OE?

No - the 5962-8550601VSA has internally biased inputs with TTL-compatible thresholds, and OE/DIR are fully static CMOS inputs drawing ≤100 nA. External biasing is unnecessary unless floating states must be avoided during power-up sequencing; in such cases, 10-kΩ pull-downs on OE and pull-ups on DIR are recommended per TI application note SCBA004.

Can the 5962-8550601VSA drive a 150-pF load while maintaining timing specs?

Yes - the 5962-8550601VSA guarantees tpd ≤ 45 ns (SN54HCT245) and ≤ 38 ns (SN74HCT245) at CL = 150 pF, VCC = 4.5 V, and TA = 25 °C. At worst-case military conditions (−55 °C, 4.5 V), measured tpd remains within 30% of nominal, making it suitable for driving heavily loaded backplanes or unterminated stubs in legacy systems.

Is the 5962-8550601VSA pin-compatible with commercial SN74HCT245 variants?

Electrically and functionally yes, but physically no - the 5962-8550601VSA uses a 20-pin CFP package with 0.050″ lead pitch and ceramic body, whereas commercial SN74HCT245 variants use SOIC, TSSOP, or PDIP packages. Pin numbering and signal mapping match the '245 standard, but PCB layout and thermal design must accommodate the CFP's hermetic construction and soldering profile.

What is the maximum output current rating per pin for the 5962-8550601VSA?

The 5962-8550601VSA supports ±35 mA continuous DC output current per pin, with a total device limit of ±70 mA across all outputs. This rating applies under recommended operating conditions (VCC = 4.5 V to 5.5 V, TA ≤ +125 °C) and is validated per Absolute Maximum Ratings table in the official 5962-8550601VSA datasheet (SCLS020F).

5962-8550601VSA 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:: -

5962-8550601VSA FAQ

1.How can I place an order for 5962-8550601VSA through Aetrix?

Please submit a Request for Quotation (RFQ) for 5962-8550601VSA 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 5962-8550601VSA reliable?

The price and inventory of 5962-8550601VSA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8550601VSA is usually 5 days.

3.What payment methods are accepted for 5962-8550601VSA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 5962-8550601VSA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for 5962-8550601VSA?

5962-8550601VSA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your 5962-8550601VSA 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 5962-8550601VSA?

For technical support, including 5962-8550601VSA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8550601VSA requirements.

6.How does Aetrix verify that 5962-8550601VSA is sourced from the original manufacturer or authorized distributors?

All 5962-8550601VSA 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 5962-8550601VSA meets industry standards.

7.What is the process for return or replacement of 5962-8550601VSA?

All 5962-8550601VSA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8550601VSA, 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 5962-8550601VSA part is unused and in its original packaging.

Return procedure for 5962-8550601VSA:

1.Submit a request within 90 days.

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

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