TL7733BCDRE4 Equivalent & Substitute Parts

Part Overview

The TL7733BCDRE4 is a supervisor integrated circuit designed for power management applications, specifically functioning as a simple reset/power-on reset device. This component monitors a single voltage channel and provides open drain or open collector output control. The TL7733BCDRE4 is classified as obsolete, which necessitates identification of active equivalent parts to ensure continued design support and procurement availability for new production runs and maintenance applications.

Substiute Parts

TL7733BCDRE4

Texas InstrumentsIn Stock: 987TL7733BCDRE4 Datasheet

Current PartRFQ

TL7733BCDR

Texas InstrumentsIn Stock: 16833TL7733BCDR Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the TL7733BCDRE4 is determined by strict equivalence across the following critical parameters:

• Functional Type: Simple Reset/Power-On Reset supervisor
• Voltage Monitoring: Single channel at 3.08V threshold
• Output Stage: Open Drain or Open Collector configuration
• Reset Behavior: Active High/Active Low capability
• Propagation Delay: 270ns typical
• Package Specification: 8-SOIC form factor with identical physical dimensions
• Temperature Range: 0°C to 70°C operating window
• Compliance Standards: ROHS3 and REACH requirements

The TL7733BCDR meets all these criteria and serves as the direct functional equivalent. The primary distinction between the main part and its substitute is product status and packaging format availability.

Parameter Comparison

Engineering Selection Recommendations

The TL7733BCDR is the appropriate substitute for the obsolete TL7733BCDRE4. Both components share identical electrical specifications, thermal characteristics, and package geometry. The TL7733BCDR maintains active product status with Texas Instruments, ensuring long-term availability and continued manufacturing support. Both parts satisfy ROHS3 and REACH compliance requirements, making them suitable for applications requiring environmental regulatory adherence. The TL7733BCDR is available in multiple packaging formats including Cut Tape and Digi-Reel options, providing flexibility for different procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can the TL7733BCDR directly replace the TL7733BCDRE4 in existing designs?

A: Yes. The TL7733BCDR is electrically and mechanically equivalent to the TL7733BCDRE4. Both components feature identical voltage thresholds, output configurations, propagation delays, and 8-SOIC package specifications. No circuit modifications are required for substitution.

Q: What is the primary reason for substituting the TL7733BCDRE4?

A: The TL7733BCDRE4 is classified as obsolete. The TL7733BCDR is the active equivalent part maintained in current production by Texas Instruments, ensuring reliable procurement for new designs and ongoing production support.

Q: Are there differences in packaging between these parts?

A: Both parts use the 8-SOIC package with identical physical dimensions. The TL7733BCDR offers packaging flexibility with availability in Cut Tape (CT) and Digi-Reel formats, while the TL7733BCDRE4 was supplied in Digi-Reel format.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the TL7733BCDRE4 and TL7733BCDR are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: Is the reset timeout specification identical between both parts?

A: Yes. Both components specify 270ns typical propagation delay for reset timeout, ensuring equivalent timing performance in power management applications.