SN74ALS653DWE4

Buffers, Drivers, Receivers, Transceivers Overview

The SN74ALS653DWE4 is an octal bus transceiver and register with 3-state outputs manufactured by Texas Instruments. It belongs to the ALS logic family and features eight independent circuits in a 24-pin SOIC package. The device operates within a supply voltage range of 4.5 V to 5.5 V, supporting TTL input and output levels. Key electrical specifications include a propagation delay of 64 ns, a low-level output current of 24 mA, and a high-level output current of -15 mA. It functions as an inverting bus transceiver suitable for surface-mount installation.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates octal bus transceiver and register functionality with 3-state outputs
• Supports bidirectional data transfer between buses using ALS logic technology
• Provides open collector or push-pull output configurations for flexible interfacing

Buffers, Drivers, Receivers, Transceivers Applications

• High-performance microprocessor systems requiring bus isolation
• Memory mapping applications involving address and data lines
• Control circuits utilizing bidirectional data flow management

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'E4' indicates environmental compliance modifications compared to standard variants. Confirm the SOIC-24 package dimensions match your PCB footprint requirements. Ensure the operating temperature range of 0°C to +70°C aligns with your system's thermal design constraints before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when designing systems that require both latching and tri-state buffering capabilities for octal data paths. The ALS series offers improved speed over standard 74LS devices while maintaining compatible pinouts. Consider the 64 ns propagation delay for timing analysis in your specific clock domain to ensure signal integrity across the bus structure.

Buffers, Drivers, Receivers, Transceivers Part Context

This part is part of the SN74ALS653 family of octal bus transceivers. The 'DW' designation specifies the SOIC-24 surface mount package, while 'E4' typically denotes lead-free and RoHS-compliant manufacturing variations. It serves as a bridge between different logic families or bus segments in digital circuit designs.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

The SN74ALS653DW is the direct non-environmental variant. Check datasheets for equivalent parts from other manufacturers offering identical pinouts and electrical characteristics for cross-brand substitution.