SP706TCU-L/TR Equivalent & Substitute Parts

Part Overview

The SP706TCU-L/TR is a single-channel power management supervisor IC manufactured by MaxLinear, Inc., designed for power-on reset and voltage monitoring applications. This device operates with a 3.08V threshold and provides active-low reset output with a 140ms minimum timeout. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain electrical and mechanical compatibility.

Substiute Parts

SP706TCU-L/TR

MaxLinear, Inc.In Stock: 4328SP706TCU-L/TR Datasheet

Current PartRFQ

DS1706TEUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 877DS1706TEUA+ Datasheet

MFR RecommendedRFQ

DS1706TEUA+T&R

Analog Devices Inc./Maxim IntegratedIn Stock: 820DS1706TEUA+T&R Datasheet

MFR RecommendedRFQ

MAX706TCUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 2591MAX706TCUA+ Datasheet

MFR RecommendedRFQ

MAX706TCUA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3021MAX706TCUA+T Datasheet

MFR RecommendedRFQ

MAX706TEUA+

Analog Devices Inc./Maxim IntegratedIn Stock: 830MAX706TEUA+ Datasheet

MFR RecommendedRFQ

MAX706TEUA+T

Analog Devices Inc./Maxim IntegratedIn Stock: 3860MAX706TEUA+T Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the SP706TCU-L/TR is determined by the following critical parameters:

Mandatory Matching Parameters:

• Voltage threshold: 3.08V
• Reset output type: Active Low
• Number of channels monitored: 1
• Package type: 8-TSSOP/8-MSOP with 0.118" width (3.00mm)
• Mounting type: Surface Mount
• Reset timeout: 140ms minimum or compatible

Compatible Variation Parameters:

• Operating temperature range may extend beyond the original specification
• Output configuration may include Push-Pull/Totem Pole topology (functionally compatible with active-low reset)
• Packaging format (Tube vs. Tape & Reel) does not affect electrical compatibility
• RoHS compliance status may differ (ROHS3 vs. RoHS Compliant)

All substitute parts listed maintain the core electrical characteristics and physical form factor required for direct replacement in applications designed for the SP706TCU-L/TR.

Parameter Comparison

Engineering Selection Recommendations

DS1706TEUA+ Series (Analog Devices Inc./Maxim Integrated): The DS1706TEUA+ and DS1706TEUA+T&R variants are active products with extended operating temperature range (-40°C ~ 85°C), providing broader environmental coverage than the original SP706TCU-L/TR. Both maintain the 3.08V threshold and active-low reset configuration. The DS1706TEUA+ is supplied in Tube packaging, while DS1706TEUA+T&R is supplied in Tape & Reel format. Both are ROHS3 compliant and carry REACH Unaffected status. Reset timeout is 130ms minimum, which is within acceptable tolerance for applications designed for 140ms minimum specifications.

MAX706TCUA+ Series (Analog Devices Inc./Maxim Integrated): The MAX706TCUA+ and MAX706TCUA+T variants maintain the original operating temperature range (0°C ~ 70°C) and 140ms minimum reset timeout, providing the closest electrical match to the SP706TCU-L/TR. MAX706TCUA+ is supplied in Tube packaging; MAX706TCUA+T is supplied in Tape & Reel format. Both are ROHS3 compliant with REACH Unaffected status.

MAX706TEUA+ Series (Analog Devices Inc./Maxim Integrated): The MAX706TEUA+ and MAX706TEUA+T variants offer extended operating temperature range (-40°C ~ 85°C) while maintaining the 140ms minimum reset timeout and 3.08V threshold. MAX706TEUA+ is supplied in Tube packaging; MAX706TEUA+T is supplied in Tape & Reel format. Both are ROHS3 compliant with REACH Unaffected status.

All substitute parts are currently active products with confirmed inventory availability and meet or exceed the compliance requirements of the discontinued SP706TCU-L/TR.

Frequently Asked Questions (FAQ)

Q: Can DS1706TEUA+ be used as a direct replacement for SP706TCU-L/TR? A: Yes. Both devices share the same 3.08V threshold, active-low reset output, single-channel monitoring, and 8-TSSOP/8-MSOP package. The DS1706TEUA+ has a 130ms minimum reset timeout compared to 140ms for the original part, which is functionally compatible for most applications. The extended temperature range (-40°C ~ 85°C) provides additional environmental capability.

Q: What is the difference between Tube and Tape & Reel packaging options? A: Tube packaging (standard format) is suitable for manual assembly and small-quantity applications. Tape & Reel (TR) format is optimized for automated pick-and-place assembly processes. Both packaging formats contain identical electrical components; the choice depends on manufacturing process requirements.

Q: Are all substitute parts RoHS compliant? A: Yes. All substitute parts listed are ROHS3 compliant. The original SP706TCU-L/TR is RoHS Compliant. Both compliance standards are acceptable for applications requiring lead-free construction.

Q: Does the operating temperature range affect substitution compatibility? A: Operating temperature range does not affect electrical substitution compatibility if the application operates within the original specification (0°C ~ 70°C). Parts with extended temperature ranges (-40°C ~ 85°C) provide additional capability without compromising performance in the original operating window.

Q: Are the reset timeout differences between 130ms and 140ms significant? A: Reset timeout differences of 10ms are within typical design margins for power-on reset applications. Both values ensure adequate time for power supply stabilization. Applications with specific timing requirements should verify compatibility with system design specifications.

Q: Can substitute parts be mixed in the same production run? A: Yes. All substitute parts maintain identical electrical specifications for the critical parameters: 3.08V threshold, active-low reset, single-channel monitoring, and 8-TSSOP/8-MSOP package. Packaging format (Tube vs. Tape & Reel) and temperature range variations do not affect functional interchangeability.