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DM74ALS20AM is listed in the Inverter Gates range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is IC GATE NAND 2CH 4-INP 14SOIC. Review the specifications below when checking this part for your BOM.
The DM74ALS20AM is a quadruple 2-input NAND gate manufactured by Fairchild Semiconductor. It belongs to the Advanced Low-power Schottky (ALS) logic family and operates within a supply voltage range of 4.5V to 5.5V. The device features four independent gates, each with two inputs, housed in a 14-lead Small Outline Integrated Circuit (SOIC) package. Key electrical specifications include a propagation delay of 8 ns and an operating temperature range from 0°C to 70°C.
Verify the specific suffix 'M' indicates the SOIC package variant when sourcing. Confirm manufacturer origin as Fairchild or authorized successor entities like onsemi. Ensure documentation matches the DM74ALS20A datasheet specifications for accurate technical validation.
Select this component for applications requiring high-speed switching with low power consumption compared to standard TTL. The 14-pin SOIC package facilitates surface-mount assembly. Verify compatibility with existing 5V logic levels and ensure thermal management meets the 70°C maximum junction temperature requirement.
This part is part of the DM74ALS series, designed to offer better speed-to-power ratios than previous Schottky generations. It serves as a direct replacement for older SN74S20 equivalents while providing enhanced performance characteristics suitable for modern digital system architectures requiring reliable logic gating.
SN74ALS20AD by Texas Instruments is a confirmed direct substitute.
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