Texas Instruments 20-SOIC SN74ALS640B-1DWR

The SN74ALS640B-1DWR is a member of the Texas Instruments' SN74ALS logic family, specifically a TTL (Transistor-Transistor Logic) integrated circuit in a DWR package. This device performs certain logic functions and typically comes in a through-hole or surface-mount package suitable for automated assembly. The '-1' suffix often indicates an improved version with higher output drive capability compared to its standard counterpart. To access detailed specifications, users can refer to the PDF datasheet available from distributors like WIKU Electronic Market or Alibaba, which also provide pricing, stock information, and RoHS-compliant status.