DS36954V

Overview

The DS36954V is a low-power quad EIA-485 differential bus transceiver designed for high-speed, parallel, multi-point I/O bus applications. It operates within a supply voltage range of 4.75 V to 5.25 V and supports an operating free air temperature from 0°C to +70°C. The device features greater than 60 mA source/sink currents and meets the EIA-485 standard for multipoint bus transmission. Differential propagation delays are specified between 9 ns and 19 ns with a maximum skew of 6 ns. Thermal shutdown protection ensures safe operation under fault conditions.

Feature Summary

• Pinout optimized for SCSI interface implementations
• Compact 20-pin PLCC package design
• Glitch-free driver outputs during power transitions

Applications

• High speed parallel multi-point I/O bus systems
• SCSI initiator or target interface implementations
• Multipoint bus transmission networks

Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm that the specific ordering suffix matches the required PLCC package variant. Review the latest datasheet revision history to ensure compliance with current electrical specifications and pin configurations before finalizing procurement orders.

Selection Notes

Select this component when designing parallel interfaces requiring precise propagation delay skew limits. Ensure the application environment remains within the 0°C to +70°C operating temperature range. Verify that the system power supply strictly adheres to the 4.75 V to 5.25 V specification to maintain signal integrity and prevent thermal issues.

Part Context

Originally developed by National Semiconductor, this component is now managed by Texas Instruments following their corporate acquisition. The DS36954 series provides high integration in a small footprint, making it suitable for legacy SCSI designs and industrial control systems requiring robust differential signaling capabilities.

Replacement Considerations

DS36954M (SOIC Package)