CD40103BPWR Equivalent & Substitute Parts

Part Overview

The CD40103BPWR is an 8-bit binary down counter IC manufactured by Texas Instruments, part of the 4000B logic series. This component is classified as obsolete, which necessitates identification of active equivalent parts for ongoing design and procurement requirements. The CD40103BPWR operates as a synchronous counter with asynchronous reset, featuring a maximum count rate of 2.4 MHz and a wide supply voltage range of 3 V to 18 V. The part is housed in a 16-TSSOP surface mount package and is ROHS3 compliant with MSL Level 1 rating.

Substiute Parts

CD40103BPWR

Texas InstrumentsIn Stock: 1095CD40103BPWR Datasheet

Current PartRFQ

CD40103BPW

Texas InstrumentsIn Stock: 1199CD40103BPW Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CD40103BPWR is determined by strict equivalence across the following critical parameters:

• Logic Type: Binary Counter
• Number of Bits per Element: 8 Bit
• Direction: Down
• Count Rate: 2.4 MHz
• Voltage - Supply: 3 V ~ 18 V
• Operating Temperature: -55°C ~ 125°C
• Package / Case: 16-TSSOP (0.173", 4.40mm Width)
• Reset: Asynchronous
• Timing: Synchronous
• Trigger Type: Positive Edge

The CD40103BPW meets all electrical and mechanical specifications required for direct substitution. The primary distinction between these parts is product status and packaging format, with CD40103BPW classified as active and supplied in tube packaging, whereas CD40103BPWR is obsolete and supplied in tape and reel format.

Parameter Comparison

Engineering Selection Recommendations

The CD40103BPW is the direct equivalent for the obsolete CD40103BPWR. Both parts are manufactured by Texas Instruments and share identical electrical specifications, functional characteristics, and package geometry. The CD40103BPW maintains active product status, ensuring continued availability and supply chain reliability. Both parts satisfy ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement. Selection of the CD40103BPW eliminates obsolescence risk while maintaining full functional and mechanical compatibility with existing designs specified for the CD40103BPWR.

Frequently Asked Questions (FAQ)

Q: Can the CD40103BPW directly replace the CD40103BPWR in existing designs?

A: Yes. Both parts are electrically and mechanically identical. The CD40103BPW is the active equivalent and provides full pin-for-pin and functional compatibility.

Q: What is the primary difference between CD40103BPWR and CD40103BPW?

A: The CD40103BPWR is classified as obsolete and supplied in tape and reel packaging. The CD40103BPW is active and supplied in tube packaging. All electrical and mechanical specifications are identical.

Q: Are there any compliance or certification differences between these parts?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and carry identical MSL Level 1 ratings.

Q: What is the 16-TSSOP package specification?

A: The 16-TSSOP package is a thin shrink small outline package with 16 pins, measuring 0.173 inches (4.40mm) in width. Both parts use this identical surface mount package.

Q: What supply voltage range does this counter support?

A: Both the CD40103BPWR and CD40103BPW operate across a supply voltage range of 3 V to 18 V, providing flexibility for various circuit applications.

Q: What is the maximum count rate for this 8-bit binary counter?

A: The maximum count rate is 2.4 MHz for both parts.