DS75107J

Overview

The DS75107J is a dual line driver manufactured by National Semiconductor, now part of Texas Instruments. It is designed for balanced transmission lines and operates within a supply voltage range of 4.75 V to 5.25 V. The device features two independent drivers with tri-state outputs, allowing for bus sharing in multi-drop configurations. It supports data rates up to 20 Mbps and provides high noise immunity suitable for industrial environments. The component is housed in a 14-pin ceramic dual in-line package (DIP), designated as DIP14,.3, ensuring compatibility with standard through-hole mounting techniques.

Feature Summary

• Dual independent line drivers with tri-state output capability
• High noise immunity for reliable operation in industrial settings
• Supports balanced transmission lines with low skew characteristics

Applications

• Balanced data transmission systems
• Industrial communication networks
• Multi-drop bus architectures requiring tri-state control

Procurement Notes

Verify the manufacturer origin, as National Semiconductor assets are managed by Texas Instruments. Confirm the specific suffix 'J' corresponds to the ceramic DIP package variant. Check for RoHS compliance status, as older ceramic packages may differ from modern plastic equivalents. Ensure the datasheet revision matches the required performance specifications for the target application.

Selection Notes

Select this component when a dual differential line driver with tri-state functionality is required for balanced transmission lines. Consider the ceramic DIP package for high-temperature or harsh environment applications where plastic packages may be unsuitable. Verify that the 5 V supply voltage aligns with the system power rails. Compare pinout compatibility if replacing existing designs.

Part Context

The DS75107J belongs to the SN751xx series of line drivers, which are widely used in RS-485 and similar balanced interface applications. This series is known for its robustness and compatibility with standard TTL logic levels. The 'J' suffix typically denotes a ceramic package, distinguishing it from plastic variants like 'N'. These devices are foundational components in legacy and industrial communication systems.

Replacement Considerations

Direct substitutes include the SN75107BJ4 and SN75107N. Verify pinout compatibility and electrical parameters such as propagation delay and output current. Ensure the replacement device supports the same tri-state functionality and balanced line requirements.