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Texas Instruments CLVC157AQPWRG4Q1
- Part No.:
- CLVC157AQPWRG4Q1
- Manufacturer:
- Texas Instruments
- Category:
- Signal Switches, Multiplexers, Decoders
- Package:
- 16-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
CLVC157AQPWRG4Q1.pdf
- Description:
- IC MULTIPLEXER 4 X 2:1 16TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,914
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Product details
Overview
CLVC157AQPWRG4Q1 from Texas Instruments is an automotive-qualified quadruple 2-line to 1-line data selector/multiplexer operating from 2 V to 3.6 V, with 5.4 ns max propagation delay at 3.3 V, 5.5 V-tolerant inputs, and active-low output strobe (G). It routes four independent 2:1 data paths in vehicle infotainment and ADAS domain controllers.
For engineers reviewing the CLVC157AQPWRG4Q1 datasheet, CLVC157AQPWRG4Q1 pinout, CLVC157AQPWRG4Q1 application, or CLVC157AQPWRG4Q1 equivalent, key selection criteria include its AEC-Q100 Grade 1 qualification (-40°C to +125°C), 16-pin TSSOP package, 3.6 V absolute maximum supply rating, and compatibility with mixed-voltage 3.3 V/5 V system interfacing.
Technical Context
The CLVC157AQPWRG4Q1 implements four independent 2:1 multiplexers sharing a common address select (A/B) and active-low strobe (G) input. When G is high, all outputs (1Y–4Y) are forced low regardless of A/B or data inputs; when G is low, each Y output reflects the selected input (A or B) per channel.
It uses LVC logic family characteristics: TTL-compatible thresholds at 3.3 V, 5.5 V-tolerant inputs enabling direct connection to legacy 5 V logic, and ground bounce (VOLP) < 0.8 V and undershoot (VOHV) > 2 V at VCC = 3.3 V, ensuring signal integrity in noisy automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 3.6 V - supports standard 3.3 V rail and low-power operation down to 2 V without level-shifting. |
| Max Propagation Delay | 5.4 ns at 3.3 V - enables use in high-speed digital control paths with tight timing budgets. |
| Input Voltage Tolerance | Up to 5.5 V - allows direct interface with 5 V microcontrollers or sensors without external level shifters. |
| Operating Temperature | –40°C to +125°C - meets AEC-Q100 Grade 1 requirements for under-hood and cockpit electronics. |
| ESD Rating (HBM) | ±2000 V - exceeds MIL-STD-883 Method 3015, suitable for assembly and field environments with moderate ESD risk. |
| Output Drive Strength | ±24 mA at 3 V - sufficient to drive multiple CMOS loads or short PCB traces without buffering. |
| Power Dissipation Cap | 16 pF typical Cpd at 3.3 V - contributes to low dynamic power in battery-sensitive applications. |
Pinout & Package
TSSOP-16 (PW) package: 5.00 mm × 6.4 mm body, 0.65 mm pitch, 1.2 mm max height, thermal pad not present - compatible with standard surface-mount reflow profiles and automated optical inspection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (G) | Active-low output enable | Strobes all four outputs low when high; required for synchronized channel disable in safety-critical logic. |
| 2–3, 5–6, 10–11, 13–14 (1A/1B, 2A/2B, 3A/3B, 4A/4B) | Data inputs | Eight total inputs grouped as four independent 2:1 pairs; each pair selects one source per channel. |
| 4, 7, 9, 12 (1Y, 2Y, 3Y, 4Y) | Outputs | Four buffered, non-inverting outputs - no internal inversion; fan-out limited by IOL/IOH specs. |
| 8 (GND) | Ground reference | Single ground pin - requires local 0.1 µF bypass capacitor adjacent to Pin 16 (VCC) for noise suppression. |
| 15 (A/B) | Address select | Common select line for all four channels - simplifies control logic but prevents independent channel selection. |
| 16 (VCC) | Positive supply | Primary power pin - must be decoupled; no secondary VCC pins or split-rail support. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 qualified | Grade 1 certification ensures reliability across full automotive temperature range without derating. |
| 5.5 V-tolerant inputs | Eliminates need for external level translators when interfacing with 5 V sensors or legacy MCUs. |
| Low ground bounce (VOLP) | < 0.8 V at 3.3 V - reduces switching noise coupling into analog sections or adjacent digital rails. |
| Fast 5.4 ns tpd | Enables use in real-time control loops with sub-200 MHz clock domains and minimal combinatorial delay. |
| Single-supply 2–3.6 V operation | Compatible with modern low-voltage power architectures while maintaining backward compatibility with 3.3 V systems. |
Applications
| Infotainment Head Unit Signal Routing | ADAS Camera Data Multiplexing |
|---|---|
Use Scenario: Selecting between dual-source video streams (e.g., rearview camera vs. surround-view processor) before feeding to display controller. IC Role / Device Role / Timing Role: Quad 2:1 mux synchronously switches four parallel pixel data lanes using shared A/B and G controls. Use Value: Reduces PCB layer count by consolidating four discrete mux functions into one IC, lowering BOM cost and layout complexity. | Use Scenario: Arbitrating sensor data from redundant front-facing cameras in lane-departure warning systems. IC Role / Device Role / Timing Role: Provides fail-safe data path selection under microcontroller supervision via G pin assertion during fault conditions. Use Value: Enables hardware-level redundancy management without FPGA or additional logic, meeting ASIL-B functional safety decomposition requirements. |
| Body Control Module I/O Expansion | Automotive Gateway Subsystem Logic |
Use Scenario: Consolidating diagnostic signals from multiple door modules onto a single CAN transceiver input line. IC Role / Device Role / Timing Role: Routes four independent status bits (e.g., window up/down, lock/unlock) based on master MCU command. Use Value: Avoids dedicated GPIO expansion ICs; leverages existing LVC logic family for seamless integration with 3.3 V MCU peripherals. | Use Scenario: Managing protocol translation handshaking signals between Ethernet AVB and LIN subsystems. IC Role / Device Role / Timing Role: Selects between two sets of handshake flags (e.g., ready/busy) depending on active communication mode. Use Value: Supports dynamic reconfiguration of gateway routing tables without firmware update, improving OTA update resilience. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar multiplexer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC157AQPWRQ1 | No G4 suffix; identical electrical specs and pinout, but RoHS-compliant finish uses NiPdAu instead of NiPdAu/NiPdAu with matte tin over nickel. | Same automotive qualification and thermal performance; differs only in plating specification for solderability and long-term storage stability. | Select CLVC157AQPWRG4Q1 when lead-free matte tin finish with guaranteed 12-month shelf life under controlled humidity is required. |
| SN74LVC157ADRQ1 | SOIC-16 package (9.9 mm × 6 mm); higher RθJA (118.1°C/W vs. 150.8°C/W for TSSOP); same logic function and AEC-Q100 Grade 1 rating. | Better thermal margin in low-airflow enclosures; larger footprint limits high-density routing in compact ECUs. | Choose SN74LVC157ADRQ1 for legacy board designs requiring SOIC compatibility or where thermal dissipation outweighs space constraints. |
Compared with SN74LVC157AQPWRQ1, CLVC157AQPWRG4Q1 offers enhanced solder joint reliability via G4 matte tin plating; versus SN74LVC157ADRQ1, it trades thermal resistance for 35% smaller PCB area - critical for next-gen zonal architecture ECUs.
Availability
CLVC157AQPWRG4Q1 is available at Aetrix Electronics and suitable for automotive infotainment systems, ADAS domain controllers, and body control modules requiring stable component supply across extended product lifecycles.
Supply support for CLVC157AQPWRG4Q1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company specializing in analog and embedded processing technologies, with leadership in automotive-grade logic, power management, and signal chain solutions.
The SN74LVC157A-Q1 product line delivers AEC-Q100-qualified, low-voltage CMOS multiplexers optimized for signal routing in automotive domain controllers, gateway modules, and safety-critical subsystems.
FAQ
What is the maximum supply voltage rating for CLVC157AQPWRG4Q1?
The absolute maximum supply voltage (VCC) for CLVC157AQPWRG4Q1 is 6.5 V, but recommended operation is strictly 2 V to 3.6 V per the datasheet. Exceeding 3.6 V risks violating recommended operating conditions and may impact long-term reliability, especially under automotive temperature extremes. CLVC157AQPWRG4Q1 must not be operated above 3.6 V in production systems.
Does CLVC157AQPWRG4Q1 support independent channel selection?
No. CLVC157AQPWRG4Q1 uses a single A/B select line shared across all four 2:1 multiplexer channels, meaning all channels switch simultaneously between their respective A and B inputs. Independent selection would require four separate 2:1 mux ICs or a different architecture such as the SN74LVC1G157. CLVC157AQPWRG4Q1 is designed for coordinated data routing, not per-channel arbitration.
Can CLVC157AQPWRG4Q1 interface directly with 5 V logic outputs?
Yes. CLVC157AQPWRG4Q1 inputs tolerate up to 5.5 V regardless of VCC level, allowing direct connection to 5 V CMOS or TTL outputs without level-shifting circuitry. This capability is explicitly verified in the datasheet's Recommended Operating Conditions table and enables mixed-voltage system integration. CLVC157AQPWRG4Q1 maintains correct logic interpretation and does not require external clamping diodes.
What is the function of the G pin on CLVC157AQPWRG4Q1?
The G pin is an active-low output strobe: when high, all four outputs (1Y–4Y) are forced low irrespective of A/B state or input values; when low, the device operates normally, routing selected inputs to outputs. This provides synchronous disable capability for fail-safe behavior in automotive systems. CLVC157AQPWRG4Q1 relies on G for hardware-level output blanking during reset or fault conditions.
Is CLVC157AQPWRG4Q1 pin-compatible with non-automotive SN74LVC157A variants?
Yes - CLVC157AQPWRG4Q1 shares identical pinout, electrical behavior, and logic function with catalog SN74LVC157A and enhanced product SN74LVC157A-EP in the same TSSOP-16 package. Differences are limited to qualification level (AEC-Q100 Grade 1), screening, and traceability documentation. CLVC157AQPWRG4Q1 can be substituted in non-automotive designs if automotive qualification is not required, though part marking and packaging differ.
CLVC157AQPWRG4Q1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- 16-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Type:
- Multiplexer
- Circuit:
- 4 x 2:1
- Independent Circuits:
- 1
- Current - Output High, Low:
- 24mA, 24mA
- Voltage Supply Source:
- Single Supply
- Voltage - Supply:
- 2V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 16-TSSOP
CLVC157AQPWRG4Q1 FAQ
1.How can I place an order for CLVC157AQPWRG4Q1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CLVC157AQPWRG4Q1 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CLVC157AQPWRG4Q1 reliable?
The price and inventory of CLVC157AQPWRG4Q1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CLVC157AQPWRG4Q1 is usually 5 days.
3.What payment methods are accepted for CLVC157AQPWRG4Q1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CLVC157AQPWRG4Q1 transactions.
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4.How is shipping managed for CLVC157AQPWRG4Q1?
CLVC157AQPWRG4Q1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CLVC157AQPWRG4Q1 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CLVC157AQPWRG4Q1?
For technical support, including CLVC157AQPWRG4Q1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CLVC157AQPWRG4Q1 requirements.
6.How does Aetrix verify that CLVC157AQPWRG4Q1 is sourced from the original manufacturer or authorized distributors?
All CLVC157AQPWRG4Q1 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CLVC157AQPWRG4Q1 meets industry standards.
7.What is the process for return or replacement of CLVC157AQPWRG4Q1?
All CLVC157AQPWRG4Q1 units undergo pre-shipment inspection (PSI). If there is an issue with CLVC157AQPWRG4Q1, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CLVC157AQPWRG4Q1 part is unused and in its original packaging.
Return procedure for CLVC157AQPWRG4Q1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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