SN74LVTH273IPWREP Equivalent & Substitute Parts

Part Overview

The SN74LVTH273IPWREP is a D-Type flip-flop logic integrated circuit manufactured by Texas Instruments, designed for 8-bit parallel data storage applications. This device features a master reset function, positive edge triggering, and operates across a 2.7V to 3.6V supply voltage range with a maximum clock frequency of 150 MHz. The part is classified as obsolete, making identification of equivalent substitute components essential for ongoing production support, design updates, and inventory management.

Substiute Parts

SN74LVTH273IPWREP

Texas InstrumentsIn Stock: 766SN74LVTH273IPWREP Datasheet

Current PartRFQ

SN74LVTH273PWR

Texas InstrumentsIn Stock: 2508SN74LVTH273PWR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SN74LVTH273IPWREP is determined by strict equivalence across the following critical parameters:

Functional Parameters:

• D-Type flip-flop architecture with 8-bit configuration
• Positive edge trigger mechanism
• Master reset function
• Non-inverted output type

Electrical Parameters:

• Clock frequency: 150 MHz
• Supply voltage range: 2.7V ~ 3.6V
• Output current capability: 32mA (high), 64mA (low)
• Propagation delay: 4.9ns @ 3.3V, 50pF
• Quiescent current: 190 µA
• Input capacitance: 4 pF

Physical & Environmental Parameters:

• Package type: 20-TSSOP (0.173", 4.40mm Width)
• Surface mount configuration
• Operating temperature range: -40°C ~ 85°C
• RoHS3 compliance
• MSL Level 1

The SN74LVTH273PWR meets all these criteria and is classified as a parametric equivalent substitute.

Parameter Comparison

Engineering Selection Recommendations

The SN74LVTH273PWR is a direct parametric equivalent to the SN74LVTH273IPWREP. Both parts share identical electrical specifications, functional characteristics, and physical packaging. The primary distinction is product status: the main part is obsolete while the substitute is active in production.

Selection of the SN74LVTH273PWR is supported by:

• Full electrical parameter equivalence across all specified operating conditions
• Identical 20-TSSOP package footprint ensuring direct PCB compatibility
• Matching RoHS3 compliance and MSL Level 1 certification
• Active product status ensuring continued availability and supply chain support
• Equivalent environmental operating range (-40°C ~ 85°C)

The substitute part accommodates different packaging formats (Cut Tape and Digi-Reel options) compared to the original tube packaging, providing flexibility for various procurement and assembly workflows.

Frequently Asked Questions (FAQ)

Q: Can the SN74LVTH273PWR be used as a direct replacement for the SN74LVTH273IPWREP?

A: Yes. Both parts are parametrically equivalent across all electrical, functional, and physical specifications. The 20-TSSOP package footprint is identical, enabling direct PCB substitution without design modifications.

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

A: The primary difference is product status. The SN74LVTH273IPWREP is obsolete, while the SN74LVTH273PWR is active. Additionally, packaging options differ: the original uses tube packaging, while the substitute offers Cut Tape and Digi-Reel formats.

Q: Are the electrical specifications identical?

A: Yes. Clock frequency, supply voltage range, output current capability, propagation delay, quiescent current, and input capacitance are identical between both parts.

Q: Will the substitute part work in existing designs without PCB modifications?

A: Yes. The 20-TSSOP package dimensions and pinout are identical, ensuring compatibility with existing PCB layouts and assembly processes.

Q: Are both parts RoHS compliant?

A: Yes. Both the SN74LVTH273IPWREP and SN74LVTH273PWR are ROHS3 compliant with MSL Level 1 rating.

Q: What is the operating temperature range for both parts?

A: Both parts operate across -40°C to 85°C (TA), supporting industrial and commercial temperature environments.