SN74AS645DWR

$2.52

Description：IC TXRX NON-INVERT 5.5V 20SOIC
Series：74AS
Mfr：Texas Instruments
Package：Tape & Reel (TR),Bulk

SKU:c492b31d12e4 Category: Buffers, Drivers, Receivers, Transceivers Brand: Texas Instruments

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Product introduction

SN74AS645DWR is listed in the Buffers, Drivers, Receivers, Transceivers range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC TXRX NON-INVERT 5.5V 20SOIC. Review the specifications below when checking this part for your BOM.

Buffers, Drivers, Receivers, Transceivers specifications for SN74AS645DWR

Description：IC TXRX NON-INVERT 5.5V 20SOIC
Series：74AS
Mfr：Texas Instruments
Package：Tape & Reel (TR),Bulk
Logic Type：Transceiver, Non-Inverting
Number of Elements：1
Number of Bits per Element：8
Input Type：-
Output Type：3-State
Current - Output High, Low：15mA, 64mA
Voltage - Supply：4.5V ~ 5.5V
Operating Temperature：0°C ~ 70°C (TA)
Mounting Type：Surface Mount
Package / Case：20-SOIC (0.295", 7.50mm Width)
Supplier Device Package：20-SOIC
Grade：-
Qualification：-

Buffers, Drivers, Receivers, Transceivers datasheet and documents for SN74AS645DWR

SN74AS645DWR

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AS645DWR is an octal bus transceiver with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports an operating temperature range of 0°C to 70°C. The device features a propagation delay (tPHL) maximum of 9 ns at VCC = 5.5 V, with output drive capabilities of -15 mA for high-level current and 64 mA for low-level current. It utilizes a 20-pin Small Outline (DW) package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

Supports asynchronous bidirectional communication between data buses via A and B ports
Direction control input determines data flow direction between the two buses
Output-enable input allows effective isolation of the buses when disabled

Buffers, Drivers, Receivers, Transceivers Applications

Asynchronous two-way communication between data buses
High-density system designs requiring 20-pin packages
Bus interface applications utilizing true logic levels

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific part number against the manufacturer's official documentation to confirm active status and package type. Ensure that the required operating temperature range and electrical characteristics align with the design specifications before procurement. Cross-reference the datasheet revision history for any updates to recommended operating conditions or switching parameters.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring fast octal bus interfacing with defined 3-state isolation capabilities. Consider the AS logic family performance characteristics regarding speed and drive strength relative to other available logic families. Verify compatibility with the target system's voltage levels and thermal requirements during the selection process.

Buffers, Drivers, Receivers, Transceivers Part Context

This device belongs to the SN54ALS645A, SN54AS645, SN74ALS645A, and SN74AS645 series of octal bus transceivers. These devices are designed for high-density applications and feature plastic small-outline packages alongside ceramic options. The SN74AS645 variant specifically targets commercial temperature ranges while maintaining high-speed performance characteristics.