N74F280BD,623 Equivalent & Substitute Parts

Part Overview

The N74F280BD,623 is a 9-bit parity generator/checker logic integrated circuit manufactured by NXP Semiconductors in 14-SOIC surface mount packaging. This component is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The 74F280 series provides parity generation and checking functionality across 9 bits with standard TTL-compatible voltage and current specifications.

Substiute Parts

N74F280BD,623

NXP SemiconductorsIn Stock: 997N74F280BD,623 Datasheet

Current PartRFQ

SN74F280BD

Texas InstrumentsIn Stock: 2131SN74F280BD Datasheet

DirectRFQ

SN74F280BDR

Texas InstrumentsIn Stock: 3683SN74F280BDR Datasheet

DirectRFQ

CD74ACT280M96

Texas InstrumentsIn Stock: 1460CD74ACT280M96 Datasheet

MFR RecommendedRFQ

SN74F280BNSR

Texas InstrumentsIn Stock: 2976SN74F280BNSR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the N74F280BD,623 is determined by the following critical parameters: logic type (parity generator/checker), circuit count (9-bit), supply voltage range (4.5 V ~ 5.5 V), package type (14-SOIC), and surface mount mounting type. Parts meeting these core requirements are considered functionally equivalent. Secondary considerations include output current specifications, operating temperature range, product status, and packaging format (tube, tape & reel).

The substitute parts listed below maintain compatibility with the primary electrical and mechanical specifications while offering different product statuses and availability options.

Parameter Comparison

Engineering Selection Recommendations

SN74F280BDR is the primary recommended substitute. It maintains identical electrical specifications (1mA/20mA output current, 4.5 V ~ 5.5 V supply) and package dimensions (14-SOIC 0.154" width) as the original N74F280BD,623. The part is currently active in production with 3600 units in stock, ensuring long-term availability. Tape & reel packaging is standard for production environments.

SN74F280BD serves as an alternative with identical electrical and package specifications. Product status is Last Time Buy, indicating limited future availability. Tube packaging may be suitable for lower-volume applications.

CD74ACT280M96 is a manufacturer-recommended alternative from the 74ACT series. While maintaining the same 9-bit parity function and 14-SOIC package, it features higher output current (24mA/24mA) and extended operating temperature range (-55°C ~ 125°C). This part is suitable for applications requiring enhanced thermal performance or higher drive capability. Active production status ensures availability.

SN74F280BNSR maintains 74F series specifications but uses a wider 14-SOIC package (0.209" width). This part is active in production but requires PCB layout verification due to package width difference. Use only if board layout accommodates the larger footprint.

Frequently Asked Questions (FAQ)

Q: Can SN74F280BDR directly replace N74F280BD,623 without circuit modification?

A: Yes. Both parts share identical electrical specifications (supply voltage, output current, logic function) and the same package dimensions (14-SOIC 0.154" width). No circuit changes are required.

Q: What is the difference between the 74F and 74ACT series options?

A: The 74F series (SN74F280BD, SN74F280BDR, SN74F280BNSR) maintains the original specifications with 1mA/20mA output current and 0°C ~ 70°C operating range. The 74ACT series (CD74ACT280M96) provides higher output current (24mA/24mA) and extended temperature range (-55°C ~ 125°C), making it suitable for demanding thermal or drive-current applications.

Q: Does package width difference affect PCB compatibility?

A: SN74F280BNSR uses a 0.209" wide 14-SOIC package compared to the standard 0.154" width of other options. PCB footprint verification is required before substitution. The narrower packages (N74F280BD,623, SN74F280BD, SN74F280BDR, CD74ACT280M96) are directly interchangeable on existing layouts.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, matching the original N74F280BD,623 specification.

Q: What is the inventory status for production planning?

A: SN74F280BDR offers the highest availability with 3600 units in stock. CD74ACT280M96 has 1397 units available. SN74F280BD (Last Time Buy status) has 2037 units. For long-term production, SN74F280BDR or CD74ACT280M96 are recommended due to active product status.