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74LS21P-E is listed in the Inverter Gates range at ChipApex. The manufacturer field lists Renesas Electronics Corporation. Its product description is IC GATE AND DUAL 4-INP. Review the specifications below when checking this part for your BOM.
The HD74LS21P-E is an obsolete dual 4-input AND gate integrated circuit belonging to the Renesas 74LS series. It operates on a standard 5V bipolar logic supply and features high market penetration with a track record exceeding thirty years. The component is RoHS compliant and utilizes a DIP package. Support for this part is limited to existing customers who have already adopted the product.
This component is officially classified as obsolete by the manufacturer. Procurement support is restricted exclusively to customers who have previously adopted these products. Availability is not guaranteed for new orders, and verification of current stock status or alternative sourcing options should be directed to Renesas Electronics sales offices prior to any commitment.
Designers must account for the obsolete status when selecting this component. New designs should consider modern equivalents within the same logic family or updated technologies. Verification of specific package variants and RoHS compliance details is required directly from official documentation due to the discontinued nature of the part.
The HD74LS21P-E is part of the broader 74LS series, representing a standard line of 5V bipolar general-purpose logic ICs. This series has maintained significant market presence for over three decades. The specific model provides dual four-input AND functionality within this established architectural framework.
No, the component is obsolete. Support is limited to customers who have already adopted these products.
It is designed for standard 5V drive bipolar logic operation.
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