SP706TCN-L Equivalent & Substitute Parts

Part Overview

The SP706TCN-L is a single-channel power management supervisor IC manufactured by MaxLinear, Inc., housed in an 8-SOIC surface mount package. This device functions as a simple reset/power-on reset supervisor with a 3.08V voltage threshold and 140ms minimum reset timeout, designed for 0°C to 70°C operating conditions. The part is discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines that maintain electrical and mechanical compatibility.

Key Parameters

Parameter	SP706TCN-L
Manufacturer	MaxLinear, Inc.
Category	Power Management (PMIC)
Type	Simple Reset/Power-On Reset
Number of Voltages Monitored	1
Voltage - Threshold	3.08V
Reset	Active Low
Reset Timeout	140ms Minimum
Operating Temperature	0°C ~ 70°C (TA)
Package / Case	8-SOIC (0.154", 3.90mm Width)
Mounting Type	Surface Mount
RoHS Status	RoHS Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of the following critical parameters:

Voltage threshold: 3.08V (exact match required)
Package type: 8-SOIC (0.154", 3.90mm Width) (exact match required)
Reset polarity: Active Low (exact match required)
Number of monitored voltages: 1 channel (exact match required)
Mounting type: Surface Mount (exact match required)
Moisture sensitivity: MSL 1 (Unlimited) (exact match required)

All substitute parts listed meet these core electrical and mechanical requirements. Variations in operating temperature range, output configuration, and reset timeout do not preclude substitution when the above parameters align. Product status (Active vs. Discontinued) and packaging format (Tube vs. Cut Tape & Digi-Reel) are secondary considerations that affect availability and procurement but not functional compatibility.

Parameter Comparison

Part Number	Manufacturer	Voltage Threshold	Reset Polarity	Reset Timeout	Operating Temperature	Output Type	Package	Product Status
SP706TCN-L	MaxLinear, Inc.	3.08V	Active Low	140ms Min	0°C ~ 70°C	—	8-SOIC	Discontinued
STM706TM6F	STMicroelectronics	3.08V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
ADM706TARZ	Analog Devices Inc.	3.08V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
ADM706TARZ-REEL	Analog Devices Inc.	3.08V	Active Low	160ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
DS1706TESA+	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	130ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
DS1706TESA+T&R	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	130ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
MAX706ATESA+	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
MAX706ATESA+T	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active
MAX706TCSA+	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	8-SOIC	Active
MAX706TCSA+T	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	140ms Min	0°C ~ 70°C	Push-Pull, Totem Pole	8-SOIC	Active
MAX706TESA+	Analog Devices Inc./Maxim Integrated	3.08V	Active Low	140ms Min	-40°C ~ 85°C	Push-Pull, Totem Pole	8-SOIC	Active

Engineering Selection Recommendations

All listed substitute parts are RoHS3 compliant and carry REACH Unaffected status, meeting modern regulatory requirements. The STM706TM6F from STMicroelectronics and the ADM706TARZ series from Analog Devices Inc. are primary alternatives, both maintaining active product status with established supply chains.

For applications requiring identical operating temperature range (0°C to 70°C), the MAX706TCSA+ and MAX706TCSA+T variants provide direct thermal compatibility with the original SP706TCN-L. These parts are available in both Tube and Cut Tape & Digi-Reel packaging formats.

For applications capable of operating across the extended temperature range (-40°C to 85°C), the STM706TM6F, ADM706TARZ, DS1706TESA+ series, and MAX706ATESA+ variants offer broader environmental tolerance. The DS1706TESA+ series, part of the MicroMonitor™ product line, features a 130ms minimum reset timeout, which is tighter than the original specification.

All substitute parts feature Push-Pull, Totem Pole output configuration, which is compatible with standard reset circuit topologies. Packaging availability varies between Tube and Cut Tape & Digi-Reel formats; selection should align with procurement and assembly requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the SP706TCN-L with any of these parts without circuit modification?

A: Yes, all listed parts maintain the same 3.08V voltage threshold, Active Low reset polarity, 8-SOIC package footprint, and MSL 1 moisture sensitivity. The Push-Pull, Totem Pole output configuration on substitute parts is compatible with standard reset circuit designs. No PCB layout changes are required.

Q: What is the difference between the various MAX706 variants?

A: MAX706 variants differ in operating temperature range and packaging format. The TCSA+ variants operate at 0°C to 70°C (matching the original SP706TCN-L thermal range), while ATESA+ and TESA+ variants operate at -40°C to 85°C. The suffix T indicates Cut Tape & Digi-Reel packaging; parts without this suffix are supplied in Tube format.

Q: Why do some substitutes have different reset timeout specifications?

A: The DS1706TESA+ series specifies 130ms minimum reset timeout, while the original SP706TCN-L and most alternatives specify 140ms. Both values meet the minimum requirement; the DS1706 variant provides a tighter specification. The ADM706TARZ series specifies 160ms minimum, which also exceeds the original requirement.

Q: Is the STM706TM6F a direct replacement?

A: The STM706TM6F matches all critical electrical parameters (3.08V threshold, Active Low reset, 140ms timeout) and package specifications (8-SOIC). It operates across -40°C to 85°C, which encompasses the original 0°C to 70°C range. It is available in Cut Tape & Digi-Reel format and carries active product status.

Q: What does "Push-Pull, Totem Pole" output mean for compatibility?

A: Push-Pull, Totem Pole output provides active drive capability on both high and low logic states, suitable for driving standard reset input circuits. This output configuration is compatible with typical microprocessor and FPGA reset input requirements.

Q: Should I choose Tube or Cut Tape & Digi-Reel packaging?

A: Packaging format does not affect electrical compatibility. Selection depends on assembly process requirements: Tube packaging is suitable for manual or small-batch assembly, while Cut Tape & Digi-Reel format is optimized for automated pick-and-place assembly equipment.

Q: Are all substitute parts RoHS compliant?

A: Yes, all listed substitute parts carry RoHS3 Compliant status and REACH Unaffected designation, meeting current environmental and regulatory standards.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message