SN74LV123AQPWRG4HT Texas Instruments In Stock
SN74LV123AQPWRG4HT is a dual retriggerable monostable multivibrator with reset by Texas Instruments, designed for automotive-grade applications with low-voltage LV CMOS logic and high-temperature operation. Key specs: dual independent one-shot channels, active-low reset, TSSOP package with AEC-Q100 automotive qualification. From competitive pricing, in stock with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- —
- Lifecycle
- ACTIVE
- Datasheet
- N/A
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual retriggerable monostable multivibrator with independent reset providing flexible pulse width generation in two channels from a single IC
- Automotive-grade AEC-Q100 qualification (HT high-temperature grade) ensuring reliable operation in harsh automotive and industrial environments
- Low-voltage LV CMOS logic family enabling operation at reduced supply voltages for power-sensitive automotive electronic control units
- TSSOP package (PWRG4) with RoHS Pb-free compliance supporting compact, lead-free PCB assembly in modern automotive and industrial designs
Applications
The SN74LV123AQPWRG4HT is used in automotive electronic control units (ECUs) and body control modules requiring precise pulse width generation and signal conditioning for sensor interfaces and actuator control. Its dual retriggerable monostable design is ideal for debouncing mechanical switches, generating timing pulses for watchdog circuits, and producing controlled delay signals in automotive safety systems. The high-temperature automotive qualification also makes it suitable for under-hood and powertrain applications operating in extended temperature environments.
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What is the SN74LV123AQPWRG4HT and what logic function does it perform?
The SN74LV123AQPWRG4HT is a dual retriggerable monostable multivibrator with reset. It generates a single output pulse of defined width for each qualifying input trigger event. The retriggerable feature allows the pulse to be extended by applying additional trigger pulses before the output returns low, making it ideal for pulse stretching and timing applications.
Is the SN74LV123AQPWRG4HT suitable for automotive applications?
Yes, the SN74LV123AQPWRG4HT carries automotive-grade AEC-Q100 qualification with HT (high-temperature) designation, confirming it is designed and tested for reliable operation in automotive environments. It is suitable for use in body control modules, ECUs, powertrain systems, and other automotive applications requiring qualified electronic components.
What package does the SN74LV123AQPWRG4HT use?
The SN74LV123AQPWRG4HT is housed in a TSSOP package (PWRG4 tape-and-reel packaging). The TSSOP footprint provides a compact surface-mount solution appropriate for high-density PCB layouts in automotive electronics and industrial control boards where board space is limited.
What are typical applications for the SN74LV123AQPWRG4HT?
Common applications include switch debouncing, timing pulse generation, watchdog timer reset circuits, signal conditioning in automotive sensor interfaces, and pulse width control in industrial and automotive electronic systems. The dual-channel configuration allows two independent timing functions to be implemented with a single IC.
What are functional alternatives to the SN74LV123AQPWRG4HT?
Functional alternatives include the SN74LV123A standard commercial grade for non-automotive applications and the SN74HC123 for HC-family CMOS logic. For automotive designs requiring similar functionality, other AEC-Q100 qualified monostable ICs from Texas Instruments or NXP should be evaluated. Always confirm qualification grade, package, and voltage range compatibility when selecting a replacement.
Related Guides
TPS61291DRVR Selection Guide: Low-Quiescent-Current Boost Converters for IoT and Wearables
How to select the TPS61291DRVR and low-Iq boost converters for IoT, wearables, and coin-cell designs. Compares specs, packages, and alternatives from TI, ADI, and Microchip.
May 13, 2026
TMS5704357BZWTQQ1 Selection Guide: Choosing the Right TMS570 Automotive MCU Variant
Compare TMS570 automotive MCU variants by ASIL level, flash, package, and peripherals. Find the right fit from entry-level LQFP to the ASIL-D TMS5704357BZWTQQ1.
May 13, 2026
TI Hercules TMS5704357BZWTQQ1 Design Guide for Automotive ASIL-D and Industrial Functional Safety
Complete integration guide for the TI Hercules TMS5704357BZWTQQ1 dual-core lockstep Cortex-R5F MCU: lockstep CPU, ECC RAM, FlexRay/CAN-FD, and ASIL-D pitfalls.
May 12, 2026
PTN78000WAH Selection Guide: Choosing the Right 1.5 A 36 V Step-Down Power Module
Compare PTN78000WAH against PTN78000WAS, PTN78060WAH, and other 1.5A 36V step-down modules. Covers package, current rating, efficiency, and drop-in replaceability.
May 12, 2026
Why Buy from FindMyChip
About Texas Instruments
Texas Instruments (TI) is a global semiconductor company headquartered in Dallas, Texas. TI designs and manufactures analog and embedded processing chips used in industrial, automotive, consumer, communications, and enterprise systems.
More from Texas Instruments
ULN2003ANE4
Dual-In-Line Packages
Integrated Circuit
OPA2381AIDGKT
Small Outline Packages
Integrated Circuit
CD54HCT75F3A
Ceramic Dual-In-Line Packages
Integrated Circuit
SN65HVD1786D
Small Outline Packages
Integrated Circuit
ULN2003BPWR
Small Outline Packages
Integrated Circuit
ULN2003APWR
Small Outline Packages
Integrated Circuit
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“Their engineering team helped us find a pin-compatible alternative when our original MCU went EOL.”