TLC339CPW Equivalent & Substitute Parts

Part Overview

The TLC339CPW is a general-purpose CMOS comparator with open-drain output configuration, manufactured by Texas Instruments in a 14-TSSOP surface-mount package. This device is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement. The TLC339CPW operates across a wide supply voltage range of 3V to 16V and is suitable for applications requiring low input offset voltage and low input bias current characteristics.

Substiute Parts

TLC339CPW

Texas InstrumentsIn Stock: 1088TLC339CPW Datasheet

Current PartRFQ

TLC339CPWR

Texas InstrumentsIn Stock: 2558TLC339CPWR Datasheet

MFR RecommendedRFQ

CMP401GRUZ-REEL

Analog Devices Inc.In Stock: 4922CMP401GRUZ-REEL Datasheet

MFR RecommendedRFQ

CMP401GSZ

Analog Devices Inc.In Stock: 2922CMP401GSZ Datasheet

MFR RecommendedRFQ

CMP402GSZ

Analog Devices Inc.In Stock: 3333CMP402GSZ Datasheet

MFR RecommendedRFQ

TS339CDT

STMicroelectronicsIn Stock: 5517TS339CDT Datasheet

MFR RecommendedRFQ

TS374IDT

STMicroelectronicsIn Stock: 7898TS374IDT Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TLC339CPW is determined by the following critical parameters:

Primary Substitution Criteria:

• Number of Elements: 4 comparators
• Output Type: CMOS, Open-Drain configuration
• Supply Voltage Range: Minimum 3V to 16V compatibility
• Input Offset Voltage: Maximum 5mV @ 10V
• Input Bias Current: Maximum 5pA @ 5V
• Output Current: Minimum 20mA typical
• Package compatibility: 14-pin surface-mount variants

Substitute Categories:

Category 1 - Direct Equivalent (Same Manufacturer, Active Status) TLC339CPWR from Texas Instruments maintains identical electrical specifications and base product number (TLC339) with active product status. The primary difference is packaging format (Cut Tape vs. Tube) and increased inventory availability.

Category 2 - Cross-Manufacturer Substitutes (Analog Devices) CMP401GRUZ-REEL and CMP401GSZ from Analog Devices provide 4-element comparator functionality with CMOS/TTL output configuration. These parts operate at ±5V supply voltage and feature improved propagation delay (30ns vs. 4.5µs) and lower input offset voltage (3mV vs. 5mV). Package differences include 16-TSSOP and 16-SOIC formats.

CMP402GSZ from Analog Devices offers similar specifications to CMP401GSZ with extended propagation delay (75ns) and modified quiescent current characteristics.

Category 3 - Cross-Manufacturer Substitutes (STMicroelectronics) TS339CDT from STMicroelectronics provides 4-element general-purpose comparator with CMOS open-drain output, matching the TLC339CPW output configuration. Supply voltage range extends to 2.7V minimum and includes dual supply option (±1.35V ~ 8V). Input bias current is significantly lower (1pA vs. 5pA). Package format is 14-SOIC.

TS374IDT from STMicroelectronics is a differential comparator with 4 elements and extended operating temperature range (-40°C ~ 125°C vs. 0°C ~ 70°C). Output type includes CMOS, MOS, Open-Drain, and TTL options. Package format is 14-SOIC.

Parameter Comparison

Engineering Selection Recommendations

For Direct Replacement (Recommended First Choice): TLC339CPWR is the primary substitute for TLC339CPW. Both parts share identical electrical specifications, base product number (TLC339), and operating parameters. TLC339CPWR maintains active product status with significantly higher inventory availability (2488 pcs vs. 1047 pcs). The only functional difference is packaging format (Cut Tape vs. Tube). This part is suitable for designs requiring no circuit modifications.

For Extended Temperature Range Applications: CMP401GRUZ-REEL, CMP401GSZ, CMP402GSZ, and TS374IDT support operating temperatures from -40°C to 125°C, compared to the TLC339CPW range of 0°C to 70°C. These parts are appropriate for industrial and automotive applications requiring wider temperature specifications. Circuit design modifications may be necessary due to different supply voltage requirements (±5V for Analog Devices parts) and package pin counts (16-pin vs. 14-pin).

For Low Input Bias Current Requirements: TS339CDT and TS374IDT from STMicroelectronics feature input bias current of 1pA at 5V, compared to 5pA for the TLC339CPW. TS339CDT maintains identical output type (CMOS, Open-Drain) and 14-pin package format, making it suitable for applications sensitive to input bias current with minimal PCB layout changes. TS374IDT is a differential comparator variant with extended temperature range.

For Low Quiescent Current: TS339CDT operates at 25µA maximum quiescent current, significantly lower than the TLC339CPW (100µA) and Analog Devices alternatives (1mA to 6mA). This part is suitable for battery-powered and low-power applications.

For Improved Propagation Delay: CMP401GRUZ-REEL and CMP401GSZ provide 30ns propagation delay compared to 4.5µs for the TLC339CPW. CMP402GSZ offers 75ns propagation delay. These parts are appropriate for high-speed signal processing applications. Circuit redesign is required due to different package formats and supply voltage specifications.

All substitute parts maintain ROHS3 compliance and MSL Level 1 rating, ensuring compatibility with standard manufacturing and storage requirements.

Frequently Asked Questions (FAQ)

Q: Can TLC339CPWR be used as a direct drop-in replacement for TLC339CPW? A: Yes. TLC339CPWR is electrically identical to TLC339CPW with matching specifications for supply voltage (3V ~ 16V), input offset voltage (5mV @ 10V), input bias current (5pA @ 5V), output current (20mA), quiescent current (100µA), and CMRR (84dB). The primary difference is packaging format (Cut Tape vs. Tube). No circuit modifications are required.

Q: What are the key differences between TLC339CPW and Analog Devices CMP401/CMP402 series? A: Analog Devices parts operate at ±5V supply voltage (fixed) compared to TLC339CPW's 3V ~ 16V range. CMP401 and CMP402 feature significantly faster propagation delay (30ns and 75ns respectively vs. 4.5µs), lower input offset voltage (3mV vs. 5mV), but higher quiescent current (1mA to 6mA vs. 100µA). Package formats differ: CMP401GRUZ-REEL uses 16-TSSOP, while CMP401GSZ and CMP402GSZ use 16-SOIC. Output type includes TTL in addition to CMOS. These parts require circuit redesign for supply voltage and pin configuration.

Q: Are STMicroelectronics TS339CDT and TS374IDT compatible with TLC339CPW? A: TS339CDT is compatible for applications requiring identical output type (CMOS, Open-Drain) and 14-pin package format. It offers lower input bias current (1pA vs. 5pA) and lower quiescent current (25µA vs. 100µA). Supply voltage range extends to 2.7V minimum and includes dual supply option. TS374IDT is a differential comparator variant with extended operating temperature (-40°C ~ 125°C) and different output type options. Both parts maintain 14-SOIC package compatibility with minimal PCB layout changes.

Q: What is the impact of package format differences on PCB design? A: TLC339CPW and TLC339CPWR use 14-TSSOP package (0.173" width). TS339CDT and TS374IDT use 14-SOIC package (0.154" width), which is narrower and may require PCB footprint adjustment. CMP401GRUZ-REEL uses 16-TSSOP with additional pins, requiring PCB redesign. CMP401GSZ and CMP402GSZ use 16-SOIC format. Footprint compatibility must be verified before substitution.

Q: Which substitute part is recommended for battery-powered applications? A: TS339CDT is optimal for battery-powered designs, featuring the lowest quiescent current (25µA) among all substitutes. It maintains CMOS open-drain output configuration and 14-pin package format compatible with TLC339CPW. Supply voltage range of 2.7V ~ 16V supports low-voltage battery operation.

Q: Do all substitute parts maintain RoHS3 compliance? A: Yes. All substitute parts listed (TLC339CPWR, CMP401GRUZ-REEL, CMP401GSZ, CMP402GSZ, TS339CDT, TS374IDT) are ROHS3 compliant with MSL Level 1 rating, ensuring compatibility with standard manufacturing processes and storage requirements.

Q: What is the significance of propagation delay differences? A: TLC339CPW has 4.5µs maximum propagation delay, suitable for general-purpose comparator applications. CMP401 series offers 30ns (CMP401) and 75ns (CMP402), approximately 60 to 150 times faster. This improvement is critical for high-frequency signal processing and fast switching applications. Selection depends on application timing requirements and circuit design constraints.

Q: Can CMP401 and CMP402 parts be used in circuits designed for ±15V supply voltage? A: No. CMP401 and CMP402 are specified for ±5V supply voltage only. They cannot operate at ±15V. TLC339CPW, TLC339CPWR, TS339CDT, and TS374IDT support higher supply voltages (3V ~ 16V or equivalent ranges) and are appropriate for circuits requiring extended supply voltage range.