SN74CBT16244CDGVR

Overview

The SN74CBT16244CDGVR is a 16-bit FET bus switch from Texas Instruments, organized as four independent 4-bit low-impedance switches. It operates within a supply voltage range of 4 V to 5.5 V and supports an operating temperature range of -40°C to 85°C. The device features TTL-compatible input levels and separate output-enable (OE) inputs for each 4-bit block. When OE is low, the switch connects Port A to Port B with minimal propagation delay; when high, it disconnects the ports. The package is TVSOP-48.

Feature Summary

• Provides 16 bits of high-speed bidirectional bus switching in a standard pinout configuration
• Features low on-state resistance allowing connections with minimal propagation delay
• Organized as four independent 4-bit switches with separate output-enable control inputs

Applications

• High-speed data routing between two ports
• Bus switching applications requiring TTL-compatible input levels
• Low-impedance signal path connections

Procurement Notes

Verify the exact part number against the manufacturer's current ordering information, as suffixes indicate specific packages and temperatures. Confirm RoHS compliance status and moisture sensitivity level ratings prior to procurement. Ensure the selected package variant matches the design requirements for thermal impedance and physical dimensions.

Selection Notes

Select this component for applications requiring 16-bit bidirectional switching with TTL-compatible logic levels. Consider the TVSOP-48 package constraints regarding thermal impedance and board space. Verify that the required operating temperature range aligns with the industrial grade specifications provided for this specific part number.

Part Context

This device belongs to the Widebus family of 16-bit FET bus switches manufactured by Texas Instruments. It shares the standard '16244-type pinout with other devices in the series, facilitating drop-in replacements or parallel designs. The family emphasizes high-speed performance and low on-state resistance for efficient signal transmission.

Replacement Considerations

SN74CBT16244DGGR

FAQ

How are the 16 bits organized within the SN74CBT16244CDGVR?

The device is organized as four independent 4-bit low-impedance switches, each with its own separate output-enable (OE) input.

What determines the state of the switches?

When the OE input is low, the switch is on, allowing data flow between Port A and Port B. When OE is high, the switch is open, creating a high-impedance state between the ports.