TL7705BCDRE4 Equivalent & Substitute Parts

Part Overview

The TL7705BCDRE4 is a power management integrated circuit (PMIC) functioning as a supervisor with open drain or open collector output. It monitors a single voltage channel and provides active high/active low reset functionality with a typical propagation delay of 270ns. The device is packaged in an 8-SOIC surface mount configuration.

The TL7705BCDRE4 carries an obsolete product status. Identifying equivalent and substitute parts is necessary to ensure design continuity, maintain supply chain reliability, and support ongoing production requirements for applications utilizing this supervisor IC.

Substiute Parts

TL7705BCDRE4
Texas InstrumentsIn Stock: 1166TL7705BCDRE4 Datasheet
TL7705BCDRE4
Current Part
TL7705BCDR
Texas InstrumentsIn Stock: 57481TL7705BCDR Datasheet
TL7705BCDR
MFR Recommended

Key Parameters

Parameter Value
Manufacturer Texas Instruments
Category Power Management (PMIC)
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 4.55V
Output Open Drain or Open Collector
Reset Active High/Active Low
Reset Timeout 270ns Typical Propagation Delay
Operating Temperature 0°C ~ 70°C (TA)
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year)
REACH Status REACH Unaffected

Substitute Part Grouping Explanation

Substitution eligibility for the TL7705BCDRE4 is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Criteria:

  • Single voltage channel monitoring capability
  • 4.55V voltage threshold
  • Open drain or open collector output configuration
  • Active high/active low reset functionality
  • 270ns typical propagation delay
  • Operating temperature range: 0°C ~ 70°C

Mechanical Equivalence Criteria:

  • 8-SOIC surface mount package (0.154", 3.90mm Width)
  • Identical pin configuration and footprint

Compliance Equivalence Criteria:

  • ROHS3 compliance
  • REACH unaffected status
  • Moisture sensitivity level 2 (1 Year)

The TL7705BCDR meets all specified electrical, mechanical, and compliance parameters and qualifies as a direct substitute. The primary distinction is product status: TL7705BCDR maintains active status with significantly higher inventory availability (57,400 pcs vs. 1,070 pcs), making it the recommended alternative for ongoing production and new designs.

Parameter Comparison

Parameter TL7705BCDRE4 (Main Part) TL7705BCDR (Substitute)
Manufacturer Texas Instruments Texas Instruments
Product Status Obsolete Active
Type Simple Reset/Power-On Reset Simple Reset/Power-On Reset
Number of Voltages Monitored 1 1
Voltage - Threshold 4.55V 4.55V
Output Open Drain or Open Collector Open Drain or Open Collector
Reset Active High/Active Low Active High/Active Low
Reset Timeout 270ns Typical Propagation Delay 270ns Typical Propagation Delay
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Mounting Type Surface Mount Surface Mount
Package / Case 8-SOIC (0.154", 3.90mm Width) 8-SOIC (0.154", 3.90mm Width)
RoHS Status ROHS3 Compliant ROHS3 Compliant
Moisture Sensitivity Level (MSL) 2 (1 Year) 2 (1 Year)
REACH Status REACH Unaffected REACH Unaffected
Inventory Status 1,070 Pcs New Original In Stock 57,400 Pcs New Original In Stock

Engineering Selection Recommendations

The TL7705BCDR is a direct functional and mechanical equivalent to the TL7705BCDRE4. Both devices share identical electrical specifications, package configuration, and compliance certifications. The TL7705BCDR maintains active product status with substantially higher inventory availability, making it the appropriate selection for new designs and ongoing production requirements.

For applications currently utilizing the TL7705BCDRE4, the TL7705BCDR provides seamless integration without circuit modification or re-qualification. Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the TL7705BCDR be used as a direct replacement for the TL7705BCDRE4?

A: Yes. The TL7705BCDR is electrically and mechanically equivalent. Both devices feature identical voltage threshold (4.55V), output configuration (open drain or open collector), reset functionality (active high/active low), propagation delay (270ns), operating temperature range (0°C ~ 70°C), and 8-SOIC package footprint. No circuit modifications are required.

Q: What is the primary difference between these two part numbers?

A: The TL7705BCDRE4 is classified as obsolete, while the TL7705BCDR maintains active product status. The TL7705BCDR also offers significantly higher inventory availability (57,400 pcs vs. 1,070 pcs), providing better supply chain continuity.

Q: Are the packaging and moisture sensitivity specifications identical?

A: Yes. Both parts are supplied in 8-SOIC surface mount packages with 0.154" width (3.90mm). Both carry moisture sensitivity level 2 (1 Year), ensuring equivalent handling and storage requirements.

Q: Do both parts meet current compliance standards?

A: Yes. Both the TL7705BCDRE4 and TL7705BCDR are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for electronic components.

Q: Is the reset timeout specification the same for both devices?

A: Yes. Both parts feature 270ns typical propagation delay for reset timeout, ensuring identical timing performance in power-on reset and supervisor applications.

Request Quote (Ships tomorrow)