SN74HCS138QPWRQ1 Texas Instruments Integrated Circuit (Small Outline Packages) In Stock
The SN74HCS138QPWRQ1 is an automotive-grade 3-to-8 line decoder with Schmitt-trigger inputs from Texas Instruments. It features active-low outputs, 50 pF load capacitance, and AEC-Q100 qualification for reliable automotive operation. Available in SOIC-16 package with worldwide shipping.
- Manufacturer
- Texas Instruments
- Package
- Small Outline Packages
- Pin Count
- 16
- Lifecycle
- ACTIVE
- Datasheet
- SN74HCS138QPWRQ1 Datasheet PDF
- Category
- Integrated Circuit
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- AEC-Q100 automotive-qualified 3-to-8 line decoder rated for harsh temperature environments
- Schmitt-trigger inputs provide superior noise immunity and signal conditioning in high-interference automotive systems
- HC/UH logic family with active-low enable inputs enabling flexible chip-select and address decoding
- SOIC-16 package (R-PDSO-G16) with 50 pF load capacitance for robust drive capability
Applications
The SN74HCS138QPWRQ1 is designed for automotive electronics requiring reliable address decoding and memory or peripheral selection in environments with significant electrical noise. It is used in body control modules, infotainment systems, and ADAS units where AEC-Q100 qualification and Schmitt-trigger noise immunity are mandatory. Its 3-to-8 decoding capability also suits industrial control panels and embedded system bus arbitration.
Specifications
| Pbfree Code | Yes |
| Date Of Intro | 2020-09-11 |
| YTEOL | 15 |
| Family | HC/UH |
| Input Conditioning | SCHMITT TRIGGER |
| JESD-30 Code | R-PDSO-G16 |
| JESD-609 Code | e4 |
| Load Capacitance (CL) | 50pF |
| Logic IC Type | 3-LINE TO 8-LINE DECODER |
| Max I(ol) | 0.0078A |
| Number of Functions | 1 |
| Output Polarity | INVERTED |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP16,.25 |
| Package Shape | RECTANGULAR |
| Package Style | SMALL OUTLINE, THIN PROFILE, SHRINK PITCH |
| Packing Method | TR |
| Peak Reflow Temperature (Cel) | 260 |
| Power Supply Current-Max (ICC) | 0.002mA |
| Prop. Delay@Nom-Sup | 19ns |
| Propagation Delay (tpd) | 53ns |
| Schmitt Trigger | YES |
| Screening Level | AEC-Q100 |
| Supply Voltage-Max (Vsup) | 6V |
| Supply Voltage-Min (Vsup) | 2V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Nickel/Palladium/Gold (Ni/Pd/Au) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.90 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
Compatible alternatives and drop-in replacements for SN74HCS138QPWRQ1:
Frequently Asked Questions
What makes the SN74HCS138QPWRQ1 suitable for automotive applications?
The SN74HCS138QPWRQ1 is AEC-Q100 automotive-qualified, features Schmitt-trigger inputs for high noise immunity, and meets JESD-609 e4 lead-free requirements, making it reliable in harsh automotive environments with wide temperature ranges and electrical transients.
What is the decoding configuration of the SN74HCS138QPWRQ1?
It is a 3-line to 8-line decoder, meaning 3 binary address inputs select one of 8 active-low outputs. It includes three enable inputs (two active-low, one active-high) allowing cascading and chip-select flexibility in larger systems.
What package does the SN74HCS138QPWRQ1 use and what is its load capacitance?
The SN74HCS138QPWRQ1 comes in an SOIC-16 package (JESD-30 code R-PDSO-G16) and supports a load capacitance (CL) of 50 pF, enabling it to drive typical PCB trace and gate capacitances found in automotive and industrial designs.
What logic family does the SN74HCS138QPWRQ1 belong to and what are the benefits?
It belongs to the HC/UH (High-Speed CMOS) logic family, offering low power consumption, wide supply voltage range, and compatibility with both TTL and CMOS logic levels, simplifying integration into mixed-signal automotive systems.
When was the SN74HCS138QPWRQ1 introduced and what is its expected lifecycle?
The SN74HCS138QPWRQ1 was introduced on 2020-09-11 and has a YTEOL (Years to End of Life) rating of 15 years, indicating long-term supply availability important for automotive production programs with multi-year build cycles.
Related Guides
TPS54160DGQR Selection Guide: How to Choose a 60V Step-Down Buck Converter
Complete selection guide for the TPS54160DGQR 60V/1.5A step-down converter. Compare specs, alternatives, and sourcing options for industrial and automotive designs.
May 20, 2026
LMV932MM Dual Low-Voltage CMOS Op-Amp: Application Design Guide
Complete application design guide for the LMV932MM dual rail-to-rail CMOS op-amp: supply decoupling, RRIO design rules, stability, and recommended circuits for 1.8V–5.5V battery-powered systems.
May 20, 2026
TL084CN Equivalent and Replacements: JFET-Input Quad Op-Amp Comparison Guide
Compare TL084CN with TL074, LF347, and LM324 quad op-amps. Pin-compatible equivalents, key specs, and when to choose each for your analog design.
May 20, 2026
TPS386000RGPR Quad Voltage Supervisor: Selection and Sourcing Guide (2025)
Compare TPS386000RGPR with TPS386040RGPR, TPS3700, and TPS3823 voltage supervisors. Key specs, threshold programming, watchdog options, and sourcing tips.
May 20, 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
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.”