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Texas Instruments 5962-8970501EA
- Part No.:
- 5962-8970501EA
- Manufacturer:
- Texas Instruments
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- -
- Datasheet:
-
5962-8970501EA.pdf
- Description:
- CD54HCT257 HIGH SPEED CMOS LOGIC
- Quantity:
- Payment:
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Inventory:1,678
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Product details
Overview
5962-8970501EA from Texas Instruments is a military-grade quad 2-input multiplexer with three-state non-inverting outputs, designed for high-reliability data routing in harsh-environment systems. It operates across -55°C to +125°C, supports 4.5V–5.5V supply (HCT logic), delivers 13ns typical propagation delay (In to Y, CL = 15pF), and features active-low Output Enable (OE) enabling bus isolation in shared-data architectures.
For engineers reviewing the 5962-8970501EA datasheet, 5962-8970501EA pinout, 5962-8970501EA application, or 5962-8970501EA equivalent, this device serves as a radiation-tolerant, temperature-hardened alternative to commercial HC/HCT257 variants-critical for aerospace avionics, missile guidance interfaces, and secure comms subsystems requiring guaranteed operation under extended thermal stress and long-term reliability.
Technical Context
The 5962-8970501EA implements four identical 2:1 multiplexer circuits sharing one Select (S) input and one active-low Output Enable (OE) control line. Each channel routes either I0 or I1 to its corresponding Y output based on S state, while OE asserts high-impedance on all Y outputs when HIGH.
It conforms to the CD54HCT257 specification: TTL-compatible inputs (VIH ≥ 2V, VIL ≤ 0.8V), CMOS-level outputs (VOH ≥ 4.4V, VOL ≤ 0.4V at IO = ±6mA), and guaranteed performance over full military temperature range (-55°C to +125°C) with 4.5V–5.5V supply.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | HCT - TTL-compatible inputs, CMOS outputs, 4.5–5.5V operation |
| Operating Temperature | -55°C to +125°C - Qualified per MIL-PRF-38535 for extended environmental resilience |
| Propagation Delay (In→Y) | 13 ns typ @ VCC = 5V, CL = 15pF - Enables sub-50MHz synchronous data switching |
| Output Drive | ±6 mA @ VOH/VOL - Sufficient to drive 10 LSTTL loads or terminate short PCB traces |
| Input Leakage Current | ±1 µA max @ -55°C to +125°C - Ensures stable logic thresholds in low-power standby modes |
| Three-State Leakage | ±10 µA max @ -55°C to +125°C - Prevents bus contention during output disable |
| Supply Voltage Range | 4.5V to 5.5V - Matches standard 5V military power rails; excludes 2–6V HC-mode operation |
Pinout & Package
5962-8970501EA is supplied in a 16-lead Ceramic Dual-In-Line Package (CDIP), hermetically sealed for moisture resistance and thermal stability in aerospace and defense applications.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | 1I0 | Data input 0 for channel 1 - Selected when S = LOW |
| 2 | 1I1 | Data input 1 for channel 1 - Selected when S = HIGH |
| 3 | 1Y | Non-inverting output for channel 1 - High-impedance when OE = HIGH |
| 4 | 2I0 | Data input 0 for channel 2 - Shares S and OE with other channels |
| 5 | 2I1 | Data input 1 for channel 2 - Enables parallel 2:1 selection across four channels |
| 6 | GND | Ground reference - All logic and output stages referenced to this node |
| 7 | 2Y | Non-inverting output for channel 2 - Three-state controlled by common OE |
| 8 | VCC | Positive supply - Must be 4.5–5.5V; powers internal logic and output buffers |
| 9 | 4I0 | Data input 0 for channel 4 - Supports simultaneous 4-bit data path selection |
| 10 | 4I1 | Data input 1 for channel 4 - Enables compact register-to-bus routing |
| 11 | 4Y | Non-inverting output for channel 4 - Maintains signal polarity during multiplexing |
| 12 | 3I0 | Data input 0 for channel 3 - Completes quad-channel set |
| 13 | 3I1 | Data input 1 for channel 3 - Allows uniform control of four independent 2:1 paths |
| 14 | 3Y | Non-inverting output for channel 3 - Drives downstream logic without inversion |
| 15 | OE | Active-low Output Enable - Forces all Y outputs into high-Z when HIGH |
| 16 | S | Common Select input - Determines I0/I1 source for all four channels simultaneously |
Key Features
| Feature | Design Value |
|---|---|
| Three-state non-inverting outputs | Enables direct connection to shared data buses without external isolation logic |
| Military temperature qualification (-55°C to +125°C) | Validated for deployment in jet engine controllers, satellite payload interfaces, and hardened ground stations |
| TTL-compatible input thresholds (VIL ≤ 0.8V, VIH ≥ 2.0V) | Interoperates seamlessly with legacy 5V TTL and LSTTL peripherals without level-shifting |
| Balanced propagation delay and transition times | Minimizes skew between channels - critical for synchronized multi-bit sampling and timing-critical arbitration |
| Low quiescent current (ICC ≤ 160 µA max) | Reduces system-level power budget impact in always-on mission-critical subsystems |
Applications
| Avionics Data Bus Interface | Missile Guidance Signal Routing |
|---|---|
Use Scenario: Multiplexing sensor telemetry (IMU, GPS, baro) onto a single ARINC 429 or MIL-STD-1553B interface bus. IC Role / Device Role / Timing Role: Quad 2:1 selector consolidating dual-redundant sensor streams under flight computer control. Use Value: Eliminates discrete logic gates and reduces PCB area by 60% versus discrete 74LS157 implementation while maintaining deterministic 13ns path delay. |
Use Scenario: Selecting between primary and backup inertial navigation unit outputs before feeding into autopilot processor. IC Role / Device Role / Timing Role: Fault-tolerant data switch enabling failover without software intervention or clock domain crossing. Use Value: Guaranteed operation at +125°C ambient ensures uninterrupted guidance during high-Mach flight profiles where thermal soak exceeds commercial IC limits. |
| Secure Radio Baseband Switching | Hardened Test Equipment Channel Control |
Use Scenario: Routing encrypted voice/data streams between crypto module and RF transceiver under key management controller direction. IC Role / Device Role / Timing Role: Secure signal path selector with OE-controlled isolation preventing side-channel leakage during rekeying. Use Value: Sub-15ns propagation enables real-time switching within TDMA frame boundaries (<100ns guard bands) without bit errors. |
Use Scenario: Configuring stimulus/response paths in automated test equipment for radar transceiver calibration. IC Role / Device Role / Timing Role: Precision channel selector synchronizing analog stimulus injection with digitizer capture windows. Use Value: Matched channel delays (<2ns inter-channel skew) ensure phase-coherent multi-channel measurements across wide temperature excursions. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar quad 2-input multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| CD54HC257F3A | HC logic family: 2–6V supply, VIH/VIL referenced to VCC (not fixed TTL thresholds); higher noise immunity but no native LSTTL compatibility | Suitable for mixed-voltage systems (e.g., 3.3V control + 5V bus), not drop-in for legacy TTL-driven designs | Select only if system uses CMOS-level signaling throughout and requires wider supply flexibility. |
| CD74HCT257M | Same HCT logic and function, but commercial SOIC-16 package (D), not hermetic CDIP; rated -55°C to +125°C but not QML-qualified | Appropriate for industrial or space-qualified non-mission-critical subsystems where cost and board space outweigh radiation tolerance needs | Choose for prototyping or non-flight hardware where MIL-spec packaging is unnecessary. |
Compared with 5962-8970501EA, CD54HC257F3A trades TTL interoperability for broader voltage range and lower static power, while CD74HCT257M retains identical logic behavior but lacks radiation-hardened packaging and QML certification - making it unsuitable for flight-critical avionics despite matching electrical specs.
Availability
5962-8970501EA is available at Aetrix Electronics and suitable for avionics data routing, missile guidance interfaces, secure radio baseband switching, and hardened test equipment requiring stable component supply across extended temperature and long lifecycle commitments.
Supply support for 5962-8970501EA 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 industrial, automotive, and defense markets.
The 5962-8970501EA belongs to TI's military logic portfolio, engineered specifically for aerospace and defense applications demanding guaranteed performance under extreme thermal, mechanical, and radiation stress.
FAQ
What is the supply voltage range for the 5962-8970501EA?
The 5962-8970501EA operates strictly within 4.5V to 5.5V - consistent with HCT logic family requirements. It does not support the wider 2V–6V range of HC variants. This ensures compatibility with standard 5V military power supplies while guaranteeing TTL-level input recognition and robust noise margins at both extremes of the specified temperature range.
Is the 5962-8970501EA pin-compatible with commercial CD74HCT257 devices?
Yes, the 5962-8970501EA shares identical pinout and functionality with CD74HCT257 and CD54HCT257 variants in 16-lead packages. Its CDIP (J) footprint matches the mechanical outline of PDIP and SOIC versions, allowing direct substitution in existing layouts - provided thermal, hermeticity, and qualification requirements are met.
Does the 5962-8970501EA support hot-swap or live-insertion?
No, the 5962-8970501EA is not characterized for hot-swap operation. Its absolute maximum ratings specify no undershoot or overshoot beyond -0.5V/+7V on any pin, and the absence of bus-hold or power-up 3-state features means uncontrolled power sequencing may cause output contention or latch-up. System-level protection circuitry must be implemented externally.
What is the maximum fanout capability of the 5962-8970501EA outputs?
At -55°C to +125°C, the 5962-8970501EA drives up to 10 LSTTL loads per output - defined as 0.4V max VOL at 0.8mA sink current and 2.4V min VOH at 0.04mA source current. This rating is maintained across the full temperature range and enables direct interfacing with legacy TTL-based subsystems without buffer amplification.
How is the 5962-8970501EA qualified for military use?
The 5962-8970501EA is manufactured and tested per MIL-PRF-38535 Class V requirements, including screening for burn-in, temperature cycling, hermeticity, and radiation hardness assurance (RHA). It carries QML certification, confirming compliance with DSCC drawings and traceability to lot-level process controls - essential for DoD and NASA procurement.
5962-8970501EA Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- *
- Package/Case:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Type:
- -
- Circuit:
- -
- Independent Circuits:
- -
- Current - Output High, Low:
- -
- Voltage Supply Source:
- -
- Voltage - Supply:
- -
- Operating Temperature:
- -
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- -
- Supplier Device Package:
- -
5962-8970501EA FAQ
1.How can I place an order for 5962-8970501EA through Aetrix?
Please submit a Request for Quotation (RFQ) for 5962-8970501EA 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 5962-8970501EA reliable?
The price and inventory of 5962-8970501EA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 5962-8970501EA is usually 5 days.
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5962-8970501EA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 5962-8970501EA 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 5962-8970501EA?
For technical support, including 5962-8970501EA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 5962-8970501EA requirements.
6.How does Aetrix verify that 5962-8970501EA is sourced from the original manufacturer or authorized distributors?
All 5962-8970501EA 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 5962-8970501EA meets industry standards.
7.What is the process for return or replacement of 5962-8970501EA?
All 5962-8970501EA units undergo pre-shipment inspection (PSI). If there is an issue with 5962-8970501EA, 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 5962-8970501EA part is unused and in its original packaging.
Return procedure for 5962-8970501EA:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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