TLC3702CPW Equivalent & Substitute Parts

Part Overview

The TLC3702CPW is a dual general-purpose CMOS comparator with push-pull TTL output, manufactured by Texas Instruments in the LinCMOS™ series. This device is classified as obsolete, making equivalent substitute parts necessary for new designs and production continuity. The TLC3702CPW operates across a wide supply voltage range of 3V to 16V and is housed in an 8-TSSOP surface-mount package. Identifying compatible substitutes ensures design flexibility while maintaining electrical and mechanical compatibility.

Substiute Parts

TLC3702CPW

Texas InstrumentsIn Stock: 2216TLC3702CPW Datasheet

Current PartRFQ

TLC3702CPWR

Texas InstrumentsIn Stock: 19412TLC3702CPWR Datasheet

MFR RecommendedRFQ

TC75W57FU,LF

Toshiba Semiconductor and StorageIn Stock: 24822TC75W57FU,LF Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the TLC3702CPW are identified based on the following critical parameters that determine functional and mechanical compatibility:

Primary Substitution Criteria:

• Dual comparator configuration (2 elements)
• Push-pull output capability
• 8-pin surface-mount package (8-TSSOP or equivalent 8-SSOP)
• Supply voltage range overlap with 3V ~ 16V
• Input offset voltage and bias current specifications
• Output current drive capability
• Operating temperature range compatibility
• RoHS3 compliance and MSL rating

The TLC3702CPWR represents a direct packaging variant (Tape & Reel format) of the same base product (TLC3702), maintaining identical electrical specifications while differing only in delivery format. The TC75W57FU,LF from Toshiba Semiconductor provides functional equivalence as a dual general-purpose comparator with push-pull output, though with different supply voltage ranges and performance characteristics that require evaluation for specific applications.

Parameter Comparison

Engineering Selection Recommendations

TLC3702CPWR (Texas Instruments): This part is the recommended primary substitute for the obsolete TLC3702CPW. Both devices share identical electrical specifications, the same 8-TSSOP package footprint, and equivalent performance characteristics. The TLC3702CPWR maintains active product status with significantly higher inventory availability (19,400 pcs vs. 2,120 pcs). This substitute requires no design modifications and provides direct compatibility. Both parts carry ROHS3 compliance and MSL Level 1 rating.

TC75W57FU,LF (Toshiba Semiconductor and Storage): This alternative substitute provides dual general-purpose comparator functionality with push-pull output in a compatible 8-pin surface-mount package. The TC75W57FU,LF offers superior propagation delay performance (140ns vs. 4.5µs) and lower input bias current (1pA vs. 5pA). However, the supply voltage range differs significantly (1.8V ~ 7V, ±0.9V ~ 4.6V vs. 3V ~ 16V), and quiescent current is substantially higher (400µA vs. 50µA). This substitute is suitable only for applications operating within the Toshiba device's voltage specifications. The TC75W57FU,LF also carries ROHS3 compliance and MSL Level 1 rating.

Both substitute parts are ROHS3 compliant and carry MSL Level 1 (Unlimited) moisture sensitivity ratings, matching the original device's environmental compliance profile.

Frequently Asked Questions (FAQ)

Q: Can the TLC3702CPWR be used as a direct replacement for the TLC3702CPW?

A: Yes. The TLC3702CPWR is a direct electrical and mechanical equivalent. Both devices are based on the same TLC3702 base product number, share identical electrical specifications, and use the same 8-TSSOP package. The only difference is packaging format: TLC3702CPW is supplied in Tube format, while TLC3702CPWR is supplied in Tape & Reel format. No circuit modifications are required.

Q: What are the key differences between the TLC3702CPWR and TC75W57FU,LF?

A: The primary differences are supply voltage range, quiescent current, and propagation delay. The TLC3702CPWR operates from 3V to 16V with 50µA maximum quiescent current and 4.5µs maximum propagation delay. The TC75W57FU,LF operates from 1.8V to 7V (or ±0.9V to ±4.6V) with 400µA maximum quiescent current and 140ns maximum propagation delay. The TC75W57FU,LF is faster but consumes more power and has a narrower supply voltage range.

Q: Is the TC75W57FU,LF suitable for all applications using the TLC3702CPW?

A: No. The TC75W57FU,LF is suitable only for applications where the supply voltage remains within 1.8V to 7V (or ±0.9V to ±4.6V). If your design requires operation above 7V or uses the full 3V to 16V range of the original TLC3702CPW, the TC75W57FU,LF is not compatible. Additionally, the higher quiescent current may impact power budget in battery-powered applications.

Q: Are both substitute parts RoHS compliant?

A: Yes. Both the TLC3702CPWR and TC75W57FU,LF are ROHS3 compliant with MSL Level 1 (Unlimited) moisture sensitivity ratings, matching the environmental compliance of the original TLC3702CPW.

Q: What is the package compatibility between these parts?

A: All three parts use 8-pin surface-mount packages. The TLC3702CPW and TLC3702CPWR both use 8-TSSOP with 0.173" width (4.40mm). The TC75W57FU,LF uses 8-TSSOP or 8-MSOP with 0.110" width (2.80mm). While the pin count and general footprint are compatible, the physical dimensions differ slightly. PCB layout verification is necessary when substituting with the TC75W57FU,LF.

Q: Which substitute should I choose for a new design?

A: For new designs, the TLC3702CPWR is the recommended choice. It provides identical performance to the original TLC3702CPW, maintains active product status with robust inventory, and requires no design modifications. The TC75W57FU,LF should be considered only if your application specifically benefits from its faster propagation delay and lower input bias current, and if your supply voltage requirements fall within its operating range.