74ACT18825SSCX Equivalent & Substitute Parts

Part Overview

The 74ACT18825SSCX is a Buffer, Non-Inverting logic IC manufactured by onsemi, featuring 2 elements with 9 bits per element and 3-state output capability. This component operates within the 4.5V to 5.5V supply voltage range and is housed in a 56-BSSOP surface mount package. The part is currently classified as obsolete, making identification of equivalent and substitute components essential for ongoing system support and procurement planning.

Substiute Parts

74ACT18825SSCX

onsemiIn Stock: 101774ACT18825SSCX Datasheet

Current PartRFQ

74ACT16825DL

Texas InstrumentsIn Stock: 319674ACT16825DL Datasheet

SimilarRFQ

74ACT16825DLR

Texas InstrumentsIn Stock: 110574ACT16825DLR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 74ACT18825SSCX is determined by strict equivalence across the following critical parameters:

• Logic Type: Buffer, Non-Inverting
• Number of Elements: 2
• Number of Bits per Element: 9
• Output Type: 3-State
• Current - Output High, Low: 24mA, 24mA
• Voltage - Supply: 4.5V ~ 5.5V
• Operating Temperature: -40°C ~ 85°C (TA)
• Package / Case: 56-BSSOP (0.295", 7.50mm Width)
• Mounting Type: Surface Mount

The identified substitute parts maintain identical electrical and mechanical specifications. Differences exist only in manufacturer, product status, packaging format, and compliance certifications. Both substitute parts are manufactured by Texas Instruments and belong to the same 74ACT series logic family.

Parameter Comparison

Engineering Selection Recommendations

For applications currently using the 74ACT18825SSCX, the 74ACT16825DLR manufactured by Texas Instruments is the primary substitute. This part maintains active product status, ensuring long-term availability and supply chain stability. The 74ACT16825DLR is ROHS3 compliant and supplied in Tape & Reel format, which is standard for high-volume manufacturing environments.

The 74ACT16825DL is an alternative substitute with identical electrical and mechanical specifications. However, this part carries a Last Time Buy status, indicating limited future availability. Selection of this part should be reserved for applications with specific packaging requirements (Tube format) or where existing inventory management practices necessitate this packaging type.

Both Texas Instruments substitutes are electrically and mechanically interchangeable with the original onsemi part. The transition from onsemi to Texas Instruments manufacturing does not introduce functional differences within the specified operating parameters.

Frequently Asked Questions (FAQ)

Q: Are the 74ACT16825DL and 74ACT16825DLR electrically identical to the 74ACT18825SSCX?

A: Yes. Both parts maintain identical electrical specifications including logic type, element count, bit configuration, output drive current, supply voltage range, and operating temperature range. They are functionally equivalent for all circuit applications.

Q: What is the difference between 74ACT16825DL and 74ACT16825DLR?

A: The primary difference is packaging format. The 74ACT16825DL is supplied in Tube packaging, while the 74ACT16825DLR is supplied in Tape & Reel format. Electrically and mechanically, both parts are identical. The Tape & Reel format is standard for automated assembly processes.

Q: Can I use these substitutes in existing PCB designs without modification?

A: Yes. All three parts use the identical 56-BSSOP package with the same pinout, footprint, and mechanical dimensions. No PCB redesign is required.

Q: Why is the original 74ACT18825SSCX marked as obsolete?

A: The onsemi part has reached end-of-life status. Texas Instruments continues to manufacture functionally equivalent parts under the 74ACT16825 designation, ensuring continued availability of this logic function.

Q: Which substitute should I select for new designs?

A: The 74ACT16825DLR is recommended for new designs. This part carries active product status and is supplied in standard Tape & Reel packaging suitable for modern manufacturing processes.

Q: Are there any compliance differences between these parts?

A: Both Texas Instruments substitutes are ROHS3 compliant. All three parts maintain REACH Unaffected status and identical Moisture Sensitivity Level (MSL) ratings of 1 (Unlimited).