SN74CBTS3384DBR

Overview

The SN74CBTS3384 is a 10-bit FET bus switch with Schottky diode clamping, organized as two independent 5-bit switches. It operates within a supply voltage range of 4 V to 5.5 V and supports an operating temperature from -40°C to +85°C. The device features TTL-compatible input levels and low on-state resistance (typically 7 Ω at 4.5 V). Propagation delay is typically 0.25 ns at 5 V with a 50 pF load.

Feature Summary

• Integrates Schottky diodes on I/Os to clamp undershoot voltages
• Provides high-speed bus switching with minimal propagation delay
• Features separate output-enable inputs for independent control of each 5-bit section

Applications

• High-speed data bus routing
• Portable equipment requiring fast signal switching
• Consumer products utilizing TTL-compatible logic

Procurement Notes

Verify the specific package variant (e.g., DBR, PWR) against the required pinout and thermal characteristics. Confirm RoHS compliance status and moisture sensitivity level ratings prior to assembly. Ensure unused control inputs are tied to VCC or GND to maintain proper device operation.

Selection Notes

Select this component when designing systems that require bidirectional 10-bit data transfer with fast switching speeds. The integrated Schottky diodes make it suitable for applications prone to signal undershoot. Verify that the system supply voltage falls within the 4 V to 5.5 V range to ensure optimal performance.

Part Context

This part belongs to Texas Instruments' CBT series of bus switches, designed for high-speed digital applications. It serves as a bridge between different logic domains, offering low on-resistance and fast transition times compared to standard CMOS switches.

Replacement Considerations

Direct substitutes include SN74CBTD3384CDBR and SN74CBTK6800PWR. Verify pin compatibility and electrical specifications before substitution.