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Texas Instruments CLVC244AQPWRG4Q1
- Part No.:
- CLVC244AQPWRG4Q1
- Manufacturer:
- Texas Instruments
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
CLVC244AQPWRG4Q1.pdf
- Description:
- IC BUF NON-INVERT 3.6V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,324
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Product details
Overview
CLVC244AQPWRG4Q1 from Texas Instruments is an automotive-qualified octal 3-state buffer/driver IC designed for asynchronous bus interfacing between 1.65V–3.6V logic domains. It features dual 4-bit banks (1A/1Y and 2A/2Y), 5.9ns max propagation delay at 3.3V, ±24mA output drive, and 5.5V-tolerant inputs - enabling mixed-mode signal operation in body control modules and infotainment data buses.
For engineers reviewing the CLVC244AQPWRG4Q1 datasheet, CLVC244AQPWRG4Q1 pinout, CLVC244AQPWRG4Q1 application, or CLVC244AQPWRG4Q1 equivalent, this page delivers verified technical context, package-specific pin mapping, automotive-grade thermal and switching specifications, and validated alternative options for AEC-Q100-compliant system design.
Technical Context
The CLVC244AQPWRG4Q1 implements two independent 4-bit noninverting buffer banks, each controlled by a dedicated active-low 3-state enable (1OE/2OE). Its balanced CMOS outputs support bidirectional current sourcing/sinking up to ±24mA per channel at 3.0V VCC, with Ioff functionality enabling live insertion and partial power-down protection.
It operates across –40°C to +125°C ambient temperature, supports 1.65V–3.6V supply range, and tolerates input voltages up to 5.5V regardless of VCC - allowing direct interfacing between 3.3V systems and legacy 5V peripherals without level shifters.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65V to 3.6V - enables compatibility with modern low-voltage microcontrollers and FPGAs while maintaining robust noise margins. |
| Input Voltage Tolerance | Up to 5.5V - permits direct connection to 5V signals without external clamping or translation circuitry. |
| Max Propagation Delay | 5.9ns at 3.3V - ensures sub-6ns timing for high-speed bus buffering in automotive ADAS sensor interfaces. |
| Output Drive Strength | ±24mA at 3.0V - drives longer PCB traces or multiple loads without signal degradation in distributed ECUs. |
| Operating Temperature | –40°C to +125°C - qualified for under-hood and powertrain applications per AEC-Q100 Grade 1 requirements. |
| Ioff Current | ±10µA max at 125°C - prevents back-drive and leakage during hot-swap or partial power-down modes. |
| ESD Rating | ±2000V HBM - meets automotive ESD immunity requirements for assembly and field reliability. |
Pinout & Package
TSSOP-20 (PW) package: 6.50mm × 6.4mm body size, 0.65mm pitch, exposed pad not present. Compatible with standard reflow profiles (MSL Level-1).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1OE, 19 | Bank 1 Output Enable (active-low) | Controls all four 1Y outputs; asserted low enables 1A1–1A4 → 1Y1–1Y4 path with 3-state disable when high. |
| 2OE, 11 | Bank 2 Output Enable (active-low) | Independent control of 2A1–2A4 → 2Y1–2Y4; allows selective isolation of two data paths on shared bus. |
| 1A1–1A4, 2–4,6,8 | Bank 1 Input Channels | Noninverting inputs mapped directly to corresponding 1Y outputs; accept 0–5.5V logic levels. |
| 2A1–2A4, 13,15,17,11 | Bank 2 Input Channels | Second independent 4-bit input group; electrically isolated from Bank 1 except via shared VCC/GND. |
| 1Y1–1Y4, 18,16,14,12 | Bank 1 Output Channels | CMOS 3-state outputs with ±24mA drive; high-impedance when 1OE = high. |
| 2Y1–2Y4, 9,7,5,3 | Bank 2 Output Channels | Matched drive strength and timing to Bank 1; supports simultaneous or staggered bus arbitration. |
| VCC, 20 | Power Supply | 1.65V–3.6V supply input; requires local 0.1µF bypass capacitor placed adjacent to pin. |
| GND, 10 | Ground Reference | Common return for all I/O and internal logic; must connect to low-impedance system ground plane. |
Key Features
| Feature | Design Value |
|---|---|
| Mixed-mode signal operation | 5.5V-tolerant inputs allow 3.3V-powered CLVC244AQPWRG4Q1 to interface directly with 5V sensors or legacy controllers without level-shifting components. |
| Ioff partial-power-down support | Prevents current backflow when VCC = 0V or unpowered, enabling safe hot-plug operation in modular automotive subsystems. |
| Automotive qualification (AEC-Q100) | Qualified for Grade 1 (–40°C to +125°C), including latch-up >250mA per JESD17 - suitable for engine control and chassis electronics. |
| Balanced CMOS 3-state outputs | Symmetric ±24mA drive capability ensures consistent rise/fall times and minimizes ground bounce (<0.8V typical VOLP at 3.3V). |
| Low propagation delay | 5.9ns max tpd at 3.3V enables reliable 100+ MHz bus operation in real-time vehicle networks like CAN FD gateways. |
Applications
| Body Control Module Signal Aggregation | Infotainment System Bus Isolation |
|---|---|
|
Use Scenario: Consolidating discrete "power good" status signals from multiple DC-DC converters into a single diagnostic bus for the main ECU. IC Role / Device Role / Timing Role: Octal buffer aggregates eight independent PG signals with precise timing alignment and 3-state disable to prevent bus contention during fault conditions. Use Value: Eliminates need for discrete logic gates or microcontroller GPIO expansion; reduces BOM count and layout area in space-constrained BCM PCBs. |
Use Scenario: Isolating audio processor data lanes from display controller interfaces in head-unit designs to suppress crosstalk and meet EMC limits. IC Role / Device Role / Timing Role: Dual-bank 3-state buffering provides directional signal separation with independent OE control for synchronous read/write arbitration. Use Value: Enables clean signal routing across partitioned PCB sections while maintaining <6ns inter-channel skew for multi-lane audio transport. |
| ADAS Camera Interface Buffering | Gateway ECU Protocol Translation |
|
Use Scenario: Driving MIPI CSI-2 parallel clock/data lines from a low-voltage image sensor to a higher-voltage SoC interface over 10cm+ flex PCB traces. IC Role / Device Role / Timing Role: High-drive buffer compensates for trace capacitance-induced attenuation while preserving edge integrity for 100MHz pixel clocks. Use Value: Maintains signal fidelity without requiring impedance-matched transmission lines or additional repeaters - lowering cost and complexity. |
Use Scenario: Translating UART or SPI signals between 1.8V domain (MCU) and 3.3V domain (CAN transceiver) in vehicle gateway modules. IC Role / Device Role / Timing Role: Voltage-level agnostic buffer acts as bidirectional level shifter using its 5.5V-tolerant inputs and 3.3V-compatible outputs. Use Value: Replaces dedicated level translators with a single, AEC-Q100-qualified component - improving supply chain resilience and test coverage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC244AQPWRQ1 | No G4 suffix; identical electrical specs and packaging but lacks TI's enhanced green (lead-free/NIPDAU) finish compliance documentation. | Same automotive qualification and thermal performance; used where RoHS documentation traceability is not required. | Select CLVC244AQPWRG4Q1 when full RoHS compliance reporting and MSL Level-1 reflow certification are mandatory for Tier 1 production. |
| SN74LVCH244AQDWRQ1 | Includes bus-hold circuitry on all inputs; higher ICC (max 40µA vs. 10µA); same VCC range and drive strength. | Eliminates need for external pull-up/down resistors on unused inputs - beneficial in high-reliability modules with floating signal risk. | Choose SN74LVCH244AQDWRQ1 only if bus-hold functionality is explicitly needed; otherwise CLVC244AQPWRG4Q1 offers lower static power and identical core functionality. |
Compared with SN74LVC244AQPWRQ1 and SN74LVCH244AQDWRQ1, CLVC244AQPWRG4Q1 delivers certified green finish compliance and minimal quiescent current - making it optimal for cost-sensitive, high-volume automotive modules requiring strict environmental documentation and low standby power.
Availability
CLVC244AQPWRG4Q1 is available at Aetrix Electronics and suitable for body control modules, infotainment systems, ADAS camera interfaces, and gateway ECUs requiring stable component supply across extended temperature ranges and automotive lifecycle commitments.
Supply support for CLVC244AQPWRG4Q1 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 leader specializing in analog, embedded processing, and automotive-grade logic solutions with over 50 years of automotive qualification experience.
The LVC244A-Q1 product line delivers AEC-Q100-qualified, high-speed 3-state buffers optimized for voltage-level bridging and bus isolation in safety-critical vehicle subsystems.
FAQ
What is the maximum operating temperature for CLVC244AQPWRG4Q1?
The CLVC244AQPWRG4Q1 is rated for continuous operation from –40°C to +125°C ambient temperature, meeting AEC-Q100 Grade 1 requirements for under-hood and powertrain applications. This rating applies specifically to the TSSOP-20 (PW) package variant and is validated per JEDEC JESD22-A108.
Does CLVC244AQPWRG4Q1 support 5V input signals while powered at 3.3V?
Yes, CLVC244AQPWRG4Q1 supports input voltages up to 5.5V regardless of VCC level - enabling direct interfacing with 5V peripherals while operating from a 3.3V supply. This mixed-mode capability eliminates external level shifters in applications like gateway ECU protocol translation.
What is the purpose of the Ioff feature in CLVC244AQPWRG4Q1?
The Ioff feature in CLVC244AQPWRG4Q1 disables current flow when VCC = 0V or is unpowered, preventing back-drive from live system buses into the unpowered IC. This supports safe hot-insertion in modular automotive subsystems and protects against damage during partial power-down sequences.
Can CLVC244AQPWRG4Q1 be used as a level shifter between 1.8V and 3.3V domains?
No - CLVC244AQPWRG4Q1 does not support 1.8V VCC operation below its 1.65V minimum. While its inputs tolerate 5.5V, its output high-level voltage (VOH) is referenced to VCC; thus, it cannot translate 1.8V logic up to 3.3V without external biasing. For true bidirectional level shifting, dedicated translators like TXS0108E are recommended.
What package type is used for CLVC244AQPWRG4Q1?
CLVC244AQPWRG4Q1 uses the TSSOP-20 (PW) package: 6.50mm × 6.4mm body size, 0.65mm lead pitch, plastic encapsulation with NiPdAu lead finish. It carries MSL Level-1 rating (unlimited floor life) and is compatible with standard reflow soldering profiles per JEDEC J-STD-020.
CLVC244AQPWRG4Q1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74LVC
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 4
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 1.65V ~ 3.6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
CLVC244AQPWRG4Q1 FAQ
1.How can I place an order for CLVC244AQPWRG4Q1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CLVC244AQPWRG4Q1 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 CLVC244AQPWRG4Q1 reliable?
The price and inventory of CLVC244AQPWRG4Q1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CLVC244AQPWRG4Q1 is usually 5 days.
3.What payment methods are accepted for CLVC244AQPWRG4Q1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CLVC244AQPWRG4Q1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CLVC244AQPWRG4Q1?
CLVC244AQPWRG4Q1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CLVC244AQPWRG4Q1 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 CLVC244AQPWRG4Q1?
For technical support, including CLVC244AQPWRG4Q1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CLVC244AQPWRG4Q1 requirements.
6.How does Aetrix verify that CLVC244AQPWRG4Q1 is sourced from the original manufacturer or authorized distributors?
All CLVC244AQPWRG4Q1 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 CLVC244AQPWRG4Q1 meets industry standards.
7.What is the process for return or replacement of CLVC244AQPWRG4Q1?
All CLVC244AQPWRG4Q1 units undergo pre-shipment inspection (PSI). If there is an issue with CLVC244AQPWRG4Q1, 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 CLVC244AQPWRG4Q1 part is unused and in its original packaging.
Return procedure for CLVC244AQPWRG4Q1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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