DS36950VX/NOPB

Overview

The DS36950VX/NOPB is an obsolete quad differential bus transceiver manufactured by Texas Instruments. It operates on a single 5 V supply and supports data rates up to 10 Mb/s. The device integrates four drivers and receivers in a compact 20-pin PLCC package, designed for multipoint communication systems. Key electrical parameters include a typical propagation delay of 15 ns, a maximum short-circuit output current of 250 mA, and a supply current of 90 mA with outputs enabled. It functions within an operating temperature range of 0°C to +70°C.

Feature Summary

• Provides high integration through four differential drivers and receivers within a single 20-pin surface-mount package.
• Includes thermal shutdown protection to safeguard the device during fault conditions.
• Features guaranteed minimum and maximum propagation delays to minimize timing uncertainty across parallel interfaces.

Applications

• EIA-485 standard multipoint bus applications
• High-speed parallel computer I/O bus implementations
• IPI (Interface Parallel Interface) master or slave interface designs

Procurement Notes

This component has been officially discontinued by Texas Instruments and is classified as obsolete. Verify availability through authorized distributors for remaining stock only. Confirm that the specific ordering suffix matches the required package type and compliance standards before finalizing any procurement actions.

Selection Notes

Select this part only if a 20-pin PLCC footprint is mandatory for the design. Note that it requires a 5 V supply and operates within a commercial temperature range. Consider modern alternatives if lead-free soldering processes or extended temperature ranges are required for the target application.

Part Context

The DS36950 belongs to the DS3695 series of low-power differential bus transceivers. This family was engineered to provide compact solutions for multipoint communication networks. The device serves as a legacy interface component for older industrial and computing hardware architectures requiring robust differential signaling.

Replacement Considerations

DS36950MX/NOPB: Offers identical functionality but utilizes a 20-pin SOIC package instead of PLCC.

FAQ

What is the maximum short-circuit output current capability?

The driver can sustain a short-circuit output current of up to 250 mA.

Does the device support half-duplex communication?

Yes, the internal logic allows for half-duplex operation via separate receiver and driver enable inputs.

What is the typical propagation delay for this transceiver?

The typical differential propagation delay is specified at 15 ns under standard test conditions.