TS393CD Equivalent & Substitute Parts

Part Overview

The TS393CD is a dual voltage comparator manufactured by Taiwan Semiconductor Corporation, classified as a general-purpose linear integrated circuit. This device operates across a wide supply voltage range of 2V to 36V (single supply) or ±1V to ±18V (dual supply), making it suitable for diverse analog signal processing applications. The TS393CD is currently in active product status with 11,400 units available in stock. Alternative equivalent parts may be required due to packaging constraints, supply chain considerations, or specific application requirements such as surface mount versus through-hole mounting preferences.

Substiute Parts

TS393CD

Taiwan Semiconductor CorporationIn Stock: 11429TS393CD Datasheet

Current PartRFQ

MAX922ESA+

Analog Devices Inc./Maxim IntegratedIn Stock: 830MAX922ESA+ Datasheet

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MAX922ESA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 7072MAX922ESA+T Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the TS393CD is determined by functional equivalence across the following critical parameters:

Functional Compatibility Criteria:

• Number of comparator elements: 2 (dual configuration required)
• General-purpose comparator classification
• Output type compatibility: CMOS and TTL output stages present in both main and substitute parts
• Supply voltage overlap: Substitute parts must operate within or encompass the application's required voltage range

Packaging and Form Factor Considerations:

• TS393CD uses 8-DIP through-hole packaging (0.300", 7.62mm)
• Substitute parts MAX922ESA+ and MAX922ESA+T use 8-SOIC surface-mount packaging (0.154", 3.90mm Width)
• These represent different mounting technologies; selection depends on PCB design requirements

Electrical Parameter Constraints:

• Input offset voltage, input bias current, output current, and quiescent current specifications determine signal fidelity and power consumption
• Operating temperature range differences affect application suitability

The MAX922ESA+ and MAX922ESA+T are functionally equivalent dual comparators with CMOS and TTL output compatibility. The primary distinction between these two substitute parts is packaging format: MAX922ESA+ is supplied in tube packaging, while MAX922ESA+T is supplied in tape and reel format for automated assembly.

Parameter Comparison

Engineering Selection Recommendations

TS393CD (Primary Part): All three parts maintain active product status and ROHS3 compliance. The TS393CD is suitable for applications requiring through-hole mounting and extended supply voltage range (2V to 36V single supply). This part is optimal for legacy designs, breadboard prototyping, and applications where PCB real estate is not constrained.

MAX922ESA+ (Substitute - Tube Packaging): This substitute is appropriate for surface-mount applications requiring tube packaging for manual or semi-automated assembly. The MAX922ESA+ operates within a narrower supply voltage range (2.5V to 11V single supply) compared to the TS393CD. This part is suitable for modern PCB designs with surface-mount technology and standard production volumes.

MAX922ESA+T (Substitute - Tape & Reel Packaging): This substitute is identical to MAX922ESA+ in electrical specifications but supplied in tape and reel format. The MAX922ESA+T is optimized for high-volume automated assembly processes. Selection of this variant depends on production methodology and assembly equipment compatibility.

Critical Compatibility Notes:

• Supply voltage range of MAX922ESA+ and MAX922ESA+T (2.5V ~ 11V, ±1.25V ~ 5.5V) is narrower than TS393CD (2V ~ 36V, ±1V ~ 18V). Substitution is valid only when application supply voltages fall within the MAX922 range.
• Operating temperature range of MAX922 variants (-40°C ~ 85°C) exceeds TS393CD range (0°C ~ 70°C), providing broader environmental capability.
• Mounting technology differs fundamentally: TS393CD is through-hole; MAX922 variants are surface-mount. PCB design must accommodate the selected mounting type.

Frequently Asked Questions (FAQ)

Q: Can MAX922ESA+ directly replace TS393CD in an existing through-hole PCB design?

A: No. The MAX922ESA+ uses 8-SOIC surface-mount packaging while TS393CD uses 8-DIP through-hole packaging. Direct PCB substitution is not possible without redesign. However, the electrical function is equivalent if the application supply voltage remains within 2.5V to 11V (single supply) or ±1.25V to ±5.5V (dual supply) range.

Q: What is the difference between MAX922ESA+ and MAX922ESA+T?

A: Both parts are electrically identical dual comparators with CMOS and TTL outputs. The difference is packaging format: MAX922ESA+ is supplied in tube packaging for manual or semi-automated assembly, while MAX922ESA+T is supplied in tape and reel format for high-volume automated pick-and-place assembly. Selection depends on production volume and assembly equipment.

Q: Are all three parts RoHS and REACH compliant?

A: Yes. TS393CD, MAX922ESA+, and MAX922ESA+T are all ROHS3 compliant and REACH unaffected, meeting environmental and regulatory requirements for commercial and industrial applications.

Q: What are the key electrical differences between TS393CD and MAX922 variants?

A: The primary electrical differences are: (1) Supply voltage range—TS393CD supports 2V to 36V single supply versus MAX922 at 2.5V to 11V; (2) Input offset voltage—TS393CD specifies 5mV at 30V versus MAX922 at 10mV at 5V; (3) Quiescent current—TS393CD maximum 2.5mA versus MAX922 maximum 5µA; (4) Operating temperature—TS393CD 0°C to 70°C versus MAX922 -40°C to 85°C. Substitution is valid only when application parameters fall within MAX922 specifications.

Q: Can TS393CD be used in applications designed for MAX922ESA+?

A: Functionally yes, provided the PCB design accommodates through-hole 8-DIP packaging. The TS393CD's wider supply voltage range (2V to 36V) and higher quiescent current (2.5mA maximum) are compatible with MAX922 applications. However, PCB layout modification is required due to different package footprints.

Q: What inventory levels are available for each part?

A: TS393CD has 11,400 units in stock (tube packaging). MAX922ESA+ has 740 units in stock (tube packaging). MAX922ESA+T has 7,046 units in stock (tape and reel packaging). Availability should be confirmed for time-sensitive applications.

Q: Are there any output type compatibility issues between these parts?

A: All three parts support CMOS and TTL output types. TS393CD additionally supports DTL, ECL, and MOS outputs. For applications using only CMOS or TTL logic interfaces, all three parts are fully compatible.