Texas Instruments 20-SOIC SN74ALS621ADWRE4

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The SN74ALS621ADWRE4 is a quad 2-input NAND gate IC from Texas Instruments, belonging to the 74ALS logic family. Packaged in a 24-SOIC (0.295" x 0.50mm) format, this device operates with a wide voltage range and offers high-speed performance with typical propagation delays of a few nanoseconds at 5V. It provides four independent 2-input NAND gates in a single package, suitable for various digital logic circuits requiring low power consumption and support for standard CMOS and TTL levels. The DWRE4 suffix indicates it is part of TI's wide operating temperature range and enhanced reliability series.