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SP708TEN-L Equivalent & Substitute Parts
Part Overview
The SP708TEN-L is a single-channel power management supervisor IC manufactured by MaxLinear, Inc., housed in an 8-SOIC surface mount package. This component functions as a simple reset/power-on reset supervisor with a 3.08V voltage threshold and 140ms minimum reset timeout, operating across the industrial temperature range of -40°C to 85°C. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers including Analog Devices Inc./Maxim Integrated, STMicroelectronics, and Microchip Technology.
Substiute Parts
Key Parameters
| Parameter | SP708TEN-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 High/Active Low |
| Reset Timeout | 140ms Minimum |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| RoHS Status | RoHS Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the SP708TEN-L is determined by strict alignment across the following critical parameters:
Core Compatibility Criteria:
- Single-channel voltage monitoring architecture
- 3.08V voltage threshold
- Simple reset/power-on reset functionality
- Active High/Active Low reset capability
- 8-SOIC surface mount package (0.154", 3.90mm Width)
- Reset timeout of 140ms minimum or lower
- Operating temperature range of -40°C to 85°C or broader
- RoHS3 compliance for active parts
Substitute parts are grouped by output stage configuration (Push-Pull, Totem Pole, or Complementary) and product status (Active vs. Discontinued). All identified substitutes maintain the 3.08V threshold and single-channel monitoring requirement. Reset timeout variations and output stage differences are noted as secondary differentiators for application-specific selection.
Parameter Comparison
| Part Number | Manufacturer | Voltage Threshold | Reset Timeout (Min) | Operating Temp | Output Type | Product Status | Packaging Options |
|---|---|---|---|---|---|---|---|
| SP708TEN-L | MaxLinear, Inc. | 3.08V | 140ms | -40°C ~ 85°C | Not Specified | Discontinued | Standard |
| STM708TM6F | STMicroelectronics | 3.08V | 140ms | -40°C ~ 85°C | Push-Pull, Totem Pole | Active | Cut Tape (CT) & Digi-Reel® |
| ADM708TARZ | Analog Devices Inc. | 3.08V | 160ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Tube |
| ADM708TARZ-REEL | Analog Devices Inc. | 3.08V | 160ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Cut Tape (CT) & Digi-Reel® |
| DS1708TESA+ | Analog Devices Inc./Maxim Integrated | 3.08V | 130ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Tube |
| DS1708TESA+T&R | Analog Devices Inc./Maxim Integrated | 3.08V | 130ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Cut Tape (CT) & Digi-Reel® |
| MAX708TCSA+ | Analog Devices Inc./Maxim Integrated | 3.08V | 140ms | 0°C ~ 70°C | Push-Pull, Push-Pull | Active | Tube |
| MAX708TCSA+T | Analog Devices Inc./Maxim Integrated | 3.08V | 140ms | 0°C ~ 70°C | Push-Pull, Push-Pull | Active | Tape & Reel (TR) |
| MAX708TESA+ | Analog Devices Inc./Maxim Integrated | 3.08V | 140ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Standard |
| MAX708TESA+T | Analog Devices Inc./Maxim Integrated | 3.08V | 140ms | -40°C ~ 85°C | Push-Pull, Push-Pull | Active | Cut Tape (CT) & Digi-Reel® |
| MIC708TMY | Microchip Technology | 3.08V | 140ms | -40°C ~ 85°C | Complementary | Active | Standard |
Engineering Selection Recommendations
Primary Substitutes (Highest Compatibility):
MAX708TESA+T and MAX708TESA+ are direct functional equivalents with matching 140ms reset timeout and -40°C to 85°C operating range. Both are active products with ROHS3 compliance and REACH unaffected status. MAX708TESA+T offers Cut Tape & Digi-Reel® packaging for automated assembly environments.
STM708TM6F from STMicroelectronics provides identical electrical specifications (3.08V threshold, 140ms timeout, -40°C to 85°C range) with active product status and ROHS3 compliance. This part features Totem Pole output configuration and is available in Cut Tape & Digi-Reel® packaging.
Secondary Substitutes (Extended Reset Timeout):
ADM708TARZ and ADM708TARZ-REEL from Analog Devices Inc. maintain the 3.08V threshold and -40°C to 85°C operating range but specify 160ms minimum reset timeout, representing a 20ms extension. Both are active products with ROHS3 compliance. ADM708TARZ-REEL is available in Cut Tape & Digi-Reel® packaging.
Tertiary Substitutes (Reduced Reset Timeout):
DS1708TESA+ and DS1708TESA+T&R from the MicroMonitor™ series feature 130ms minimum reset timeout, 10ms shorter than the original specification. Both maintain 3.08V threshold and -40°C to 85°C operating range with active product status and ROHS3 compliance.
Temperature-Restricted Substitute:
MAX708TCSA+ and MAX708TCSA+T operate within 0°C to 70°C range, narrower than the original -40°C to 85°C specification. These are suitable only for applications not requiring extended industrial temperature coverage.
Alternative Output Configuration:
MIC708TMY from Microchip Technology provides Complementary output configuration while maintaining all other electrical parameters (3.08V threshold, 140ms timeout, -40°C to 85°C range). This part is active with ROHS3 compliance and suitable for applications requiring complementary output stage architecture.
Frequently Asked Questions (FAQ)
Q: Can MAX708TCSA+ replace SP708TEN-L in all applications?
A: MAX708TCSA+ is electrically compatible but operates within 0°C to 70°C temperature range versus the original -40°C to 85°C. Use this substitute only if your application does not require extended industrial temperature operation.
Q: What is the difference between Push-Pull and Complementary output configurations?
A: Output configuration determines the reset signal drive capability. Push-Pull outputs provide active drive in both high and low states. Complementary outputs provide one active and one passive state. Selection depends on downstream circuit requirements. Verify your application schematic before substituting parts with different output types.
Q: Are all substitute parts RoHS compliant?
A: All active substitute parts listed carry ROHS3 compliance. The original SP708TEN-L is RoHS Compliant. Verify compliance documentation for your specific procurement requirements.
Q: Does reset timeout variation affect substitutability?
A: Reset timeout differences (130ms, 140ms, 160ms) represent acceptable variations within supervisor IC design tolerances. Parts with equal or shorter timeout specifications are directly substitutable. Parts with longer timeouts (ADM708TARZ at 160ms) introduce marginally extended reset assertion periods and are suitable for most applications but should be evaluated against specific timing requirements.
Q: Which substitute offers the best packaging flexibility?
A: MAX708TESA+T and ADM708TARZ-REEL both offer Cut Tape & Digi-Reel® packaging for high-volume automated assembly. STM708TM6F also provides this packaging option. Standard tube packaging is available from multiple manufacturers for lower-volume applications.
Q: Is the SP708TEN-L truly discontinued?
A: Yes, SP708TEN-L is listed as discontinued at DiGi Electronics. All recommended substitutes are active products with confirmed current inventory and ongoing manufacturer support.
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