CD40192BPW Equivalent & Substitute Parts

Part Overview

The CD40192BPW is a decade counter IC manufactured by Texas Instruments, classified as a 4-bit logic counter in the 4000B series. This component is designed for counting applications requiring up/down counting capability with synchronous timing and positive edge triggering. The CD40192BPW is currently listed as obsolete, which necessitates identification of active equivalent parts to maintain design continuity and ensure long-term component availability for production and maintenance applications.

Substiute Parts

CD40192BPW

Texas InstrumentsIn Stock: 802CD40192BPW Datasheet

Current PartRFQ

CD40192BNSR

Texas InstrumentsIn Stock: 2990CD40192BNSR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD40192BPW is determined by functional equivalence across the following critical parameters:

• Logic type and counter configuration (decade counter, 4-bit, 1 element)
• Electrical performance specifications (5.5 MHz count rate, 3 V ~ 18 V supply voltage, -55°C ~ 125°C operating range)
• Functional behavior (up/down counting direction, positive edge triggering, asynchronous reset, synchronous timing)
• Compliance certifications (RoHS3, REACH Unaffected, EAR99 classification)

The CD40192BNSR qualifies as a direct functional substitute based on identical electrical characteristics, counter architecture, and regulatory compliance. The primary distinction between these parts is packaging format and product status.

Parameter Comparison

Engineering Selection Recommendations

The CD40192BNSR is the direct functional equivalent to the CD40192BPW. Both parts share identical electrical specifications, counter architecture, and regulatory compliance certifications. The CD40192BNSR holds active product status with Texas Instruments, ensuring ongoing availability and support, whereas the CD40192BPW is obsolete.

Selection between these parts is determined by PCB layout constraints and packaging requirements. The CD40192BPW uses 16-TSSOP packaging (0.173" width), while the CD40192BNSR uses 16-SOIC packaging (0.209" width). Both are surface-mount configurations with identical pin counts and functional pinout compatibility. PCB footprint redesign may be required when transitioning from TSSOP to SOIC packaging.

Frequently Asked Questions (FAQ)

Q: Can the CD40192BNSR directly replace the CD40192BPW without circuit modification?

A: Functional replacement is direct. Both parts have identical electrical specifications, counter behavior, and pin functionality. PCB layout modification is required due to different package geometries (TSSOP versus SOIC).

Q: What is the primary reason for substitution?

A: The CD40192BPW is obsolete. The CD40192BNSR is the active equivalent from the same manufacturer with identical functional specifications.

Q: Are there packaging considerations for this substitution?

A: Yes. The CD40192BPW uses 16-TSSOP packaging (0.173" width), while the CD40192BNSR uses 16-SOIC packaging (0.209" width). Footprint redesign is necessary for PCB implementation.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the CD40192BPW and CD40192BNSR are RoHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.

Q: What are the electrical operating limits for this counter IC?

A: Supply voltage range is 3 V to 18 V, operating temperature range is -55°C to 125°C, and maximum count rate is 5.5 MHz for both parts.