Texas Instruments 5962-9758201Q2A

Overview

5962-9758201Q2A from Texas Instruments is a military-grade 3-line-to-8-line decoder/demultiplexer in a 20-pin LCCC package, featuring three enable inputs (G1, G2A, G2B), propagation delays as low as 2.7 ns (tPLH), 20 mA output sink current, and operation across –55°C to 125°C for high-speed memory decoding in avionics and defense systems.

For engineers reviewing the 5962-9758201Q2A datasheet, 5962-9758201Q2A pinout, 5962-9758201Q2A application, or 5962-9758201Q2A equivalent, key selection criteria include military temperature range compliance, LCCC hermetic packaging, enable-input logic architecture for cascading, and verified 5 V TTL-compatible switching performance.

Technical Context

The 5962-9758201Q2A implements positive-logic decoding with two active-low enables (G2A, G2B) and one active-high enable (G1), allowing flexible hierarchical expansion-e.g., a 24-line decoder without external inverters. Its internal logic gates drive eight complementary outputs (Y0–Y7) with guaranteed low-state voltage ≤0.5 V at 20 mA.

Designed for integration into high-speed memory subsystems, the device minimizes system delay by ensuring total decoder propagation time (≤8 ns max) remains below typical fast-memory access times. It interfaces directly with TTL-level address and control buses without level-shifting.

Key Specifications

Pinout & Package

5962-9758201Q2A is housed in a 20-lead Ceramic Leadless Chip Carrier (LCCC, FK package), hermetically sealed for moisture resistance and thermal stability in harsh environments. The package has no leads; connections are made via solderable metallized pads on the perimeter.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar 3-line-to-8-line decoder applications.

Compared with SNJ54F138FK (TI-branded equivalent) and JM38510/33701B2A (Microchip-qualified alternative), the 5962-9758201Q2A provides identical timing, drive strength, and environmental robustness-but offers DSCC-drawing traceability required for formal military hardware acceptance testing.

Availability

5962-9758201Q2A is available at Aetrix Electronics and suitable for avionics memory subsystems, tactical radio channel selection, guidance control units, and secure data loggers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for 5962-9758201Q2A 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 5962-9758201Q2A belongs to TI's military logic family derived from the 'F138 series, engineered specifically for high-speed memory decoding and data routing in mission-critical systems where timing predictability and environmental resilience are mandatory.

FAQ

What is the operating temperature range specified for the 5962-9758201Q2A?

The 5962-9758201Q2A is characterized for operation from –55°C to 125°C, meeting MIL-PRF-38535 Class V requirements. This full military temperature range ensures reliable functionality in extreme environments such as aircraft bays, missile guidance sections, and satellite payload compartments where thermal cycling exceeds commercial limits. The 5962-9758201Q2A maintains its 2.7 ns minimum propagation delay and 20 mA output drive across this entire range.

Does the 5962-9758201Q2A support demultiplexing functions?

Yes, the 5962-9758201Q2A supports demultiplexing: its G1 enable input can serve as a data input while A, B, and C act as select lines-routing a single input signal to one of eight outputs. This capability is explicitly documented in the functional description and confirmed by the truth table showing G1 as a gating control. In the 5962-9758201Q2A, this mode operates with the same timing and drive specifications as decoding mode.

What package type is used for the 5962-9758201Q2A and why is it significant?

The 5962-9758201Q2A uses a 20-lead Ceramic Leadless Chip Carrier (LCCC, FK package), which is hermetically sealed and qualified for high-reliability military applications. Unlike plastic SOIC or PDIP variants, the LCCC prevents moisture ingress and withstands thermal shock in aerospace deployments. Its leadless design reduces inductance for cleaner high-speed switching-critical for maintaining the 5962-9758201Q2A's sub-10 ns timing integrity.

How many enable inputs does the 5962-9758201Q2A have, and what are their logic polarities?

The 5962-9758201Q2A has three enable inputs: G1 is active-high, while G2A and G2B are both active-low. This mixed polarity configuration simplifies cascading-for example, building a 24-line decoder without external inverters. The functional table in the official datasheet confirms that all three enables must be asserted simultaneously for any output to activate, and the 5962-9758201Q2A's pinout places them on dedicated terminals (pins 1, 2, and 3) for noise-immune routing.

Is the 5962-9758201Q2A RoHS compliant?

The 5962-9758201Q2A is not RoHS compliant in the EU regulatory sense, as it is a legacy military-grade part manufactured with leaded solder finishes and exempt from RoHS under Annex III. Its LCCC package uses post-plated lead finish, consistent with MIL-STD-750 test methods. For RoHS-compliant alternatives, engineers should consider commercial-grade SN74F138 variants in green SOIC packages-but those lack the –55°C to 125°C rating and QML qualification of the 5962-9758201Q2A.