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Texas Instruments CLVC374AQPWRG4Q1
- Part No.:
- CLVC374AQPWRG4Q1
- Manufacturer:
- Texas Instruments
- Category:
- Flip Flops
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
CLVC374AQPWRG4Q1.pdf
- Description:
- IC FF D-TYPE SNGL 8BIT 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:6,000
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Product details
Overview
CLVC374AQPWRG4Q1 from Texas Instruments is an automotive-qualified octal edge-triggered D-type flip-flop with 3-state outputs, operating from 2 V to 3.6 V, featuring 8.5 ns max propagation delay at 3.3 V, ±24 mA output drive, and Ioff support for partial-power-down mode. It serves as a bidirectional bus driver or I/O port register in automotive infotainment and body control modules.
For engineers reviewing the CLVC374AQPWRG4Q1 datasheet, CLVC374AQPWRG4Q1 pinout, CLVC374AQPWRG4Q1 application, or CLVC374AQPWRG4Q1 equivalent, key selection criteria include its 20-pin TSSOP package, 3.3-V mixed-mode signal compatibility (5-V-tolerant inputs), automotive temperature range (–40°C to 125°C), and guaranteed 3-state enable/disable timing.
Technical Context
This device implements eight independent D-type latches triggered on the rising edge of CLK, each with individually controllable 3-state outputs via OE. Its Ioff circuitry prevents backflow current during power-down, and input voltage tolerance up to 5.5 V enables seamless interfacing between 3.3-V logic and legacy 5-V subsystems.
The CLVC374AQPWRG4Q1 supports high-speed operation up to 100 MHz at 3.3 V, with setup/hold times of 2 ns/1.5 ns respectively, and exhibits low ground bounce (VOLP < 0.8 V) and undershoot (VOHV > 2 V), ensuring signal integrity in noise-sensitive automotive environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 2 V to 3.6 V - Enables direct integration into 3.3-V automotive power domains without level-shifting. |
| Max fclock | 100 MHz at VCC = 3.3 V - Supports high-throughput data latching in real-time vehicle networks. |
| tpd (CLK→Q) | 8.5 ns max at VCC = 3.3 V - Ensures tight timing margins in synchronous bus interfaces. |
| IOL / IOH | ±24 mA at VCC = 3 V - Drives heavy capacitive loads (e.g., long PCB traces or multiple inputs) without external buffers. |
| VI Range | 0 to 5.5 V - Accepts 5-V TTL-compatible signals while powered from 3.3-V rail, simplifying mixed-voltage board design. |
| Operating Temp | –40°C to 125°C - Qualified per AEC-Q100 for under-hood and cabin-mounted ECUs. |
| Ioff Support | Active at VCC = 0 V - Blocks current flow between powered and unpowered sections, preventing damage in partial-power-down systems. |
Pinout & Package
TSSOP-20 (PW) package: 6.5 mm × 4.4 mm, 1.2 mm max height, 0.65 mm pitch, lead-free NIPDAU finish, MSL Level-1.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | Data inputs (1D–8D) | Asynchronous parallel data capture points synchronized to CLK↑; tolerate 5.5-V inputs regardless of VCC. |
| 9 | GND | Reference ground for all internal logic and output drivers; must be low-impedance for stable VOL/VOLP performance. |
| 10, 11, 12, 13, 14, 15, 16, 17 | Q outputs (1Q–8Q) | Edge-triggered registered outputs with 3-state control; capable of sourcing/sinking ±24 mA in active state. |
| 18 | VCC | Primary supply for core logic and output drivers; decoupling capacitor required within 1 cm for noise suppression. |
| 19 | OE | Active-low output-enable; places all Q pins in high-impedance state without affecting internal latch state or CLK/D functionality. |
| 20 | CLK | Rising-edge clock input; synchronizes all eight D-to-Q transfers simultaneously; accepts fast edges (≤2.5 ns rise/fall). |
Key Features
| Feature | Design Value |
|---|---|
| Automotive qualification | AEC-Q100 Grade 1 qualified (–40°C to 125°C), enabling use in safety-critical body control and ADAS subsystems. |
| Mixed-mode I/O | 5-V-tolerant inputs with 3.3-V VCC allow direct connection to legacy microcontrollers or sensors without level shifters. |
| Low-noise switching | Typical VOLP < 0.8 V and VOHV > 2 V reduce crosstalk and EMI in densely routed automotive PCBs. |
| Partial-power-down safe | Ioff limits reverse current to <10 µA when VCC = 0 V, protecting adjacent powered ICs during sleep/wake transitions. |
| High-speed timing | 8.5 ns tpd and 2 ns tsu enable reliable operation in 100-MHz synchronous buses such as CAN FD auxiliary control paths. |
Applications
| Automotive Body Control Module | Infotainment System I/O Expansion |
|---|---|
Use Scenario: Managing door lock actuators, window lift motors, and mirror position sensors via a centralized MCU with limited GPIO. IC Role / Device Role / Timing Role: Acts as an octal output register buffering MCU commands to high-current drivers; CLK synchronizes command updates across all channels. Use Value: Eliminates need for discrete buffers or level shifters due to 5-V-tolerant inputs and ±24 mA drive, reducing BOM count and layout area. | Use Scenario: Expanding GPIO count for touchscreen controller, audio codec, and USB hub interface on a shared 3.3-V domain. IC Role / Device Role / Timing Role: Functions as a bidirectional I/O port with OE-controlled direction; latches incoming sensor data on CLK↑ and drives status LEDs on Q outputs. Use Value: Ioff protection prevents backfeed during hot-swap events or partial system resets, improving system robustness. |
| ADAS Camera Interface Buffer | Electric Power Steering (EPS) Diagnostic Port |
Use Scenario: Isolating high-speed image data lines from camera sensor to SoC to prevent noise coupling into analog video paths. IC Role / Device Role / Timing Role: Serves as a timing-aligned data latch and bus isolator; OE disables outputs during sensor reconfiguration to avoid bus contention. Use Value: 8.5 ns tpd ensures sub-cycle alignment with pixel clock domains, preserving timing integrity in real-time vision processing. | Use Scenario: Providing isolated diagnostic I/O for EPS motor controller firmware updates and fault reporting over LIN or UART. IC Role / Device Role / Timing Role: Implements a dedicated diagnostic register bank; CLK samples external test signals while OE gates responses to avoid interference with main control loop. Use Value: Automotive temperature rating and Ioff support ensure reliable operation during engine-off diagnostics and thermal cycling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal D-type flip-flop applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC374AQDWRQ1 | Same silicon die, SOIC-20 package (7.5 mm × 5.3 mm); higher θJA (58°C/W vs. 83°C/W); identical electrical specs. | Better thermal performance in low-airflow enclosures; requires larger PCB footprint than TSSOP. | Select when board space permits and thermal margin is prioritized over miniaturization. |
| SN74LVCH16374AQPAGQ1 | 16-bit version in 48-pin TSSOP; includes bus-hold circuitry and higher drive (±32 mA); wider VCC range (1.65 V–3.6 V). | Supports dual-octet parallel data paths; bus-hold eliminates need for external pullups on unused inputs. | Choose when expanding to 16-bit data width or requiring enhanced input stability in noisy harness environments. |
Compared with SN74LVC374AQDWRQ1, CLVC374AQPWRG4Q1 offers superior board-area efficiency in space-constrained automotive modules; versus SN74LVCH16374AQPAGQ1, it provides lower cost and simpler layout for 8-bit-only applications without bus-hold requirements.
Availability
CLVC374AQPWRG4Q1 is available at Aetrix Electronics and suitable for automotive body control, infotainment I/O expansion, and ADAS interface buffering requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CLVC374AQPWRG4Q1 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 decades of experience delivering high-reliability components for mission-critical systems.
The SN74LVC374A-Q1 product line delivers AEC-Q100-qualified, low-voltage CMOS flip-flops optimized for automotive signal integrity, mixed-voltage interoperability, and robust partial-power-down operation in electronic control units.
FAQ
What is the maximum clock frequency supported by CLVC374AQPWRG4Q1?
The CLVC374AQPWRG4Q1 supports a maximum clock frequency of 100 MHz when operated at VCC = 3.3 V and TA = 25°C. This specification is validated across the full automotive temperature range (–40°C to 125°C) per the manufacturer's recommended operating conditions, with timing parameters including tsu = 2 ns and th = 1.5 ns ensuring reliable setup/hold compliance in high-speed synchronous designs.
Does CLVC374AQPWRG4Q1 support 5-V input signals while powered from a 3.3-V supply?
Yes, CLVC374AQPWRG4Q1 accepts input voltages up to 5.5 V regardless of VCC level, enabling direct interfacing with 5-V TTL or CMOS devices in mixed-voltage automotive systems. This capability is explicitly specified in the Absolute Maximum Ratings and Recommended Operating Conditions tables, and does not require external level-shifting circuitry when VCC is set to 2.7 V–3.6 V.
How does the Ioff feature function in CLVC374AQPWRG4Q1 during partial power-down?
The Ioff feature in CLVC374AQPWRG4Q1 disables all output drivers and isolates input/output terminals when VCC = 0 V, limiting reverse current to less than 10 µA. This prevents damaging backflow from powered subsystems into unpowered sections of the board-critical for automotive modules implementing sleep/wake protocols. The internal latch state remains preserved during Ioff activation.
What is the thermal resistance (θJA) of the CLVC374AQPWRG4Q1 TSSOP package?
The CLVC374AQPWRG4Q1 in the TSSOP-20 (PW) package has a junction-to-ambient thermal resistance (θJA) of 83°C/W, measured under standard JEDEC JESD 51-7 conditions. This value assumes a two-layer PCB with 1 in² copper pour; actual thermal performance may improve with additional copper area or thermal vias beneath the exposed pad region.
Is CLVC374AQPWRG4Q1 pin-compatible with non-automotive versions like SN74LVC374A?
Yes, CLVC374AQPWRG4Q1 shares identical pinout, electrical characteristics, and functional behavior with the commercial SN74LVC374A, differing only in automotive qualification (AEC-Q100 Grade 1), extended temperature range (–40°C to 125°C), and enhanced reliability testing. No PCB layout changes are required when upgrading from the catalog version to this qualified variant.
CLVC374AQPWRG4Q1 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
- Function:
- Standard
- Type:
- D-Type
- Output Type:
- Tri-State, Non-Inverted
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Clock Frequency:
- 100 MHz
- Max Propagation Delay @ V, Max CL:
- 8.5ns @ 3.3V, 50pF
- Trigger Type:
- Positive Edge
- Current - Output High, Low:
- 24mA, 24mA
- Voltage - Supply:
- 2V ~ 3.6V
- Current - Quiescent (Iq):
- 10 µA
- Input Capacitance:
- 4 pF
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
CLVC374AQPWRG4Q1 FAQ
1.How can I place an order for CLVC374AQPWRG4Q1 through Aetrix?
Please submit a Request for Quotation (RFQ) for CLVC374AQPWRG4Q1 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 CLVC374AQPWRG4Q1 reliable?
The price and inventory of CLVC374AQPWRG4Q1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CLVC374AQPWRG4Q1 is usually 5 days.
3.What payment methods are accepted for CLVC374AQPWRG4Q1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CLVC374AQPWRG4Q1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CLVC374AQPWRG4Q1?
CLVC374AQPWRG4Q1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CLVC374AQPWRG4Q1 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 CLVC374AQPWRG4Q1?
For technical support, including CLVC374AQPWRG4Q1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CLVC374AQPWRG4Q1 requirements.
6.How does Aetrix verify that CLVC374AQPWRG4Q1 is sourced from the original manufacturer or authorized distributors?
All CLVC374AQPWRG4Q1 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 CLVC374AQPWRG4Q1 meets industry standards.
7.What is the process for return or replacement of CLVC374AQPWRG4Q1?
All CLVC374AQPWRG4Q1 units undergo pre-shipment inspection (PSI). If there is an issue with CLVC374AQPWRG4Q1, 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 CLVC374AQPWRG4Q1 part is unused and in its original packaging.
Return procedure for CLVC374AQPWRG4Q1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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