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CLVC244AQDWRG4Q1
Texas Instruments
IC BUF NON-INVERT 3.6V 20SOIC
2897 Pcs New Original In Stock
Buffer, Non-Inverting 2 Element 4 Bit per Element 3-State Output 20-SOIC
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5.0 / 5.0
- (247 Ratings)
CLVC244AQDWRG4Q1
Product Overview
1242068
DiGi Electronics Part Number
CLVC244AQDWRG4Q1-DGManufacturer
Texas Instruments
CLVC244AQDWRG4Q1
Description
IC BUF NON-INVERT 3.6V 20SOICInventory
2897 Pcs New Original In Stock
Buffer, Non-Inverting 2 Element 4 Bit per Element 3-State Output 20-SOIC
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
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CLVC244AQDWRG4Q1 Technical Specifications
Category
Logic, Buffers, Drivers, Receivers, Transceivers
Packaging
Tape & Reel (TR)
Series
74LVC
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
Package / Case
20-SOIC (0.295", 7.50mm Width)
Supplier Device Package
20-SOIC
Base Product Number
CLVC244
Datasheet & Documents
HTML Datasheet
CLVC244AQDWRG4Q1-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8542.39.0001
Additional Information
Other Names
296-CLVC244AQDWRG4Q1TR
296-CLVC244AQDWRG4Q1CT
CLVC244AQDWRG4Q1-DG
296-CLVC244AQDWRG4Q1DKR
Standard Package
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Je recommande vivement leur service pour la rapidité d'expédition et la qualité de leur support après-vente.
de desembre 02, 2025
アフターサービスの対応が迅速かつ丁寧で、非常に好印象です。
de desembre 02, 2025
The order confirmation was instant, giving me confidence in the process.
de desembre 02, 2025
Their team is courteous, efficient, and highly professional.
de desembre 02, 2025
DiGi Electronics understands what hobbyists need: fast delivery and long-lasting products.
de desembre 02, 2025
Their prices are so reasonable, it’s easy to keep coming back for more.
de desembre 02, 2025
Their packaging style reflects their dedication to customer satisfaction.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the CLVC244AQDWRG4Q1 in automotive applications with fluctuating power rails?
When integrating the CLVC244AQDWRG4Q1 in automotive systems, voltage fluctuations near the 1.65V minimum supply threshold pose a risk of unreliable output states or increased propagation delay. To mitigate this, ensure power integrity with local decoupling capacitors (e.g., 100nF ceramic) placed near the VCC pin and consider using a stable DC-DC regulator or LDO. Since the CLVC244AQDWRG4Q1 is AEC-Q100 qualified and rated for -40°C to 125°C, it's suitable for harsh environments, but maintaining supply stability under load transients is critical to avoid bus contention or unintended 3-state leakage in high-noise conditions.
How does the CLVC244AQDWRG4Q1 compare to the SN74LVC244ADWR in terms of drive strength and compatibility for drop-in replacement?
The CLVC244AQDWRG4Q1 and SN74LVC244ADWR are functionally similar 8-bit non-inverting buffers with 3-state outputs, but key differences affect interchangeability. The CLVC244AQDWRG4Q1 has rail-to-rail 1.65V to 3.6V operation and is AEC-Q100 qualified for automotive use, while the SN74LVC244ADWR is commercial-grade with a 2.0V to 3.6V range. The CLVC244AQDWRG4Q1 provides 24mA drive strength, matching the SN74LVC244ADWR, ensuring signal integrity on shared buses. However, when replacing SN74LVC244ADWR with CLVC244AQDWRG4Q1 in automotive designs, verify input thresholds—CLVC parts have lower VIH/VIL specs, improving noise margin at lower voltages. PCB layout and pinout are identical, enabling drop-in replacement with enhanced reliability.
What thermal and current-limiting considerations should be addressed when driving multiple high-capacitance lines with the CLVC244AQDWRG4Q1?
When using the CLVC244AQDWRG4Q1 to drive heavy loads such as long PCB traces or multiple CMOS inputs, cumulative capacitive loading can exceed 50pF, increasing dynamic current and potentially causing ground bounce or supply droop. Each output of the CLVC244AQDWRG4Q1 can source/sink up to 24mA, but sustained high current across multiple outputs may raise junction temperature. Limit simultaneous switching outputs (SSO) to ≤4 bits at high frequency and use series damping resistors (e.g., 22Ω) near the driver to control edge rates and ringing. Ensure proper PCB thermal vias under the ground pad if available, and monitor power supply impedance to prevent exceeding the 24mA per-output limit during fast transitions.
Can the CLVC244AQDWRG4Q1 safely interface between a 3.3V microcontroller and a 1.8V FPGA without level shifting?
The CLVC244AQDWRG4Q1 cannot safely level-shift down from 3.3V to 1.8V because it is not designed as a bidirectional level translator. When powered at 3.3V, its outputs will swing to ~3.3V, which exceeds the absolute maximum voltage rating of most 1.8V FPGA inputs, risking device degradation. Use the CLVC244AQDWRG4Q1 only in systems where both sides operate within its 1.65V to 3.6V supply range. For 3.3V-to-1.8V interfacing, consider dedicated level translators like the TXS0108E or SN74LVC1T45, while the CLVC244AQDWRG4Q1 is best suited for buffering signals within a single voltage domain or up-translating from 1.8V to 3.3V when powered at 3.3V.
What are the reliability implications of leaving unused inputs floating on the CLVC244AQDWRG4Q1 in production designs?
Leaving unused inputs floating on the CLVC244AQDWRG4Q1 can lead to metastable input voltages, causing unintended current flow, increased power consumption, and output oscillation—especially in electrically noisy automotive environments. This risks electromagnetic interference (EMI) and MOSFET shoot-through within the IC. For reliable operation, tie all unused inputs to a defined logic level using pull-up or pull-down resistors (e.g., 10kΩ to VCC or GND). Direct connection is acceptable if the signal source is firmly controlled. Proper handling of unused pins ensures long-term reliability and prevents latch-up, particularly critical in AEC-Q100 qualified applications where system uptime is essential.
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CLVC244AQDWRG4Q1 CAD Models
Texas Instruments CLVC244AQDWRG4Q1 PCB symbols & footprints
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