Use this summary for discovery only. Confirm all design-critical values against current manufacturer-controlled documentation.
Common questions from engineers and buyers evaluating this part.
The SN74ALS644A-1DW from Texas Instruments is a Bus Transceiver. Bus Transceiver, ALS Series, 1-Func, 8-Bit, True Output, TTL, PDSO20. It is used in electronic designs requiring bus transceiver functionality.
The SN74ALS644A-1DW comes in a SOP-20 package with gull wing terminals. The body material is plastic/epoxy; length 12.8 mm; pin pitch 1.27 mm.
The SN74ALS644A-1DW is Discontinued (obsolete). Remaining stock may be limited. Contact us for the most current availability and alternatives.
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