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Toshiba Semiconductor and Storage 74VHC541FT
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- Part No.:
- 74VHC541FT
- Manufacturer:
- Toshiba Semiconductor and Storage
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
74VHC541FT.pdf
- Description:
- IC BUF NON-INVERT 5.5V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:10,466
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Product details
Overview
74VHC541FT from Toshiba Electronic Devices & Storage Corporation is a non-inverting octal bus buffer with 3-state outputs, designed for bidirectional data bus interfacing in high-speed digital systems. It operates across 2.0–5.5 V supply, delivers 3.7 ns typical propagation delay at 5.0 V, and supports automotive-grade temperature range (−40 to +125 °C) with AEC-Q100 compliance.
For engineers reviewing the 74VHC541FT datasheet, 74VHC541FT pinout, 74VHC541FT application, or 74VHC541FT equivalent, key selection criteria include 3-state control timing (tPZL/tPHZ ≤ 7.0 ns max), input voltage tolerance up to 5.5 V independent of VCC, and compatibility with 3.3 V/5 V mixed-voltage system interfacing.
Technical Context
The 74VHC541FT implements eight independent non-inverting buffer channels, each controlled by dual active-low enable inputs (G1 and G2). Output state transitions are governed by CMOS C2MOS gate technology, ensuring balanced tPLH ≈ tPHL propagation delays and low dynamic noise (VOLP ≤ 1.0 V).
Its input protection circuit allows safe operation with input voltages from 0 to 5.5 V regardless of VCC level, enabling robust level-shifting between 3 V and 5 V domains without external components. Power-down protection on all inputs prevents latch-up during power sequencing.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Function | Non-inverting octal buffer with 3-state outputs |
| VCC Range | 2.0 V to 5.5 V - supports mixed-voltage system interfacing |
| Propagation Delay | 3.7 ns (typ.) at VCC = 5.0 V - enables >100 MHz bus operation |
| Output Drive | ±8 mA at VCC = 4.5 V - sufficient for driving 50 pF loads with clean edges |
| Input Voltage Tolerance | 0 to 5.5 V - permits 5 V-tolerant inputs on 3 V supplies |
| Operating Temperature | −40 °C to +125 °C - qualified for under-hood automotive applications |
| Quiescent ICC | 4.0 µA (max) at 25 °C - ultra-low static power for battery-backed systems |
Pinout & Package
TSSOP20B package: 20-pin thin shrink small outline package, 0.65 mm pitch, 6.5 mm × 4.4 mm body, 0.071 g typical weight.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | G1, G2 (Active-Low Enables) | Both must be LOW to enable outputs; either HIGH forces all Yn into high-impedance state |
| 2–9 | An (Inputs) | Non-inverting data inputs for channels A1–A8 |
| 11–18 | Yn (Outputs) | 3-state buffered outputs corresponding to A1–A8 |
| 10 | GND | Digital ground reference |
| 20 | VCC | Positive supply rail (2.0–5.5 V) |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Rev. H qualification | Validated for automotive electronics use with full reliability testing |
| Wide VCC range (2.0–5.5 V) | Enables single part to serve both 3.3 V logic and legacy 5 V subsystems |
| Input overvoltage tolerance (0–5.5 V) | Eliminates need for external level shifters when interfacing 5 V peripherals to 3 V controllers |
| Balanced tPLH/tPHL delays | Minimizes duty cycle distortion in clock/data distribution paths |
| Power-down input protection | Prevents damage during partial power-down or hot-insertion scenarios |
Applications
| Automotive Body Control Module | Industrial PLC I/O Expansion |
|---|---|
Use Scenario: Bidirectional data buffering between microcontroller and CAN/LIN transceiver interface ICs in door module ECUs. IC Role / Device Role / Timing Role: Non-inverting bus buffer isolating MCU GPIOs from noisy transceiver lines while supporting 3-state control for bus arbitration. Use Value: AEC-Q100 qualification and −40 to +125 °C operation ensure reliable function in under-dash environments; 5.5 V-tolerant inputs simplify connection to 5 V transceivers without level shifters. | Use Scenario: Expanding parallel I/O capability of ARM-based PLC controller via backplane bus. IC Role / Device Role / Timing Role: Octal 3-state buffer enabling time-multiplexed access to shared data/address lines across multiple I/O modules. Use Value: 3.7 ns propagation delay ensures timing margin for 25 MHz bus cycles; dual enable pins allow synchronized gating of all eight channels. |
| Medical Diagnostic Imaging Interface | Test Equipment Digital Pattern Generator |
Use Scenario: Level translation and signal conditioning between FPGA-based image processor and legacy 5 V sensor interface boards. IC Role / Device Role / Timing Role: Non-inverting buffer providing 3.3 V ↔ 5 V domain bridging with precise output impedance control. Use Value: Input voltage tolerance up to 5.5 V eliminates risk of damage during power-up sequencing mismatches; low ICC (4 µA max) reduces standby power in battery-operated portable units. | Use Scenario: Driving high-capacitance test fixture loads (≥50 pF) from FPGA I/O banks in automated test equipment. IC Role / Device Role / Timing Role: High-speed octal driver delivering clean, low-skew signals to DUT pins with programmable 3-state control. Use Value: Output skew ≤ 9.2 ns (max) ensures deterministic timing across all eight channels; ±8 mA drive strength maintains signal integrity into heavy capacitive loads. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal non-inverting 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC541APWR | Lower VCC range (1.65–3.6 V); no 5 V tolerance on inputs; 3.5 ns typical tPD at 3.3 V | Restricted to 3.3 V-only systems; unsuitable for 5 V peripheral interfacing | Select only for pure 3.3 V designs where cost and footprint are prioritized over voltage flexibility |
| 74AC541SCX | Higher ICC (40 mA max); faster tPD (2.5 ns typ. at 5 V); no AEC-Q100 qualification | Lacks automotive qualification; higher power consumption limits use in thermally constrained modules | Choose for high-speed industrial control where AEC-Q100 is not required and thermal headroom exists |
Compared with SN74LVC541APWR and 74AC541SCX, the 74VHC541FT uniquely combines 5.5 V input tolerance, AEC-Q100 qualification, and sub-4 ns propagation delay - making it the only option qualified for automotive 3.3 V/5 V mixed-signal bus interfacing with zero external level-shifting components.
Availability
74VHC541FT is available at Aetrix Electronics and suitable for automotive ECU design, industrial PLC expansion, and medical imaging interface applications requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for 74VHC541FT 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
Toshiba Electronic Devices & Storage Corporation designs and manufactures high-reliability semiconductor solutions for automotive, industrial, and consumer applications, with emphasis on quality, longevity, and regulatory compliance.
The 74VHC541FT belongs to Toshiba's VHC-series advanced CMOS logic family, engineered specifically for high-speed, low-power, mixed-voltage digital interfacing in demanding environments including automotive under-hood systems.
FAQ
What is the maximum input voltage allowed on 74VHC541FT pins when VCC = 3.3 V?
The 74VHC541FT supports input voltages from 0 to 5.5 V regardless of VCC level. When VCC = 3.3 V, inputs may safely accept 5 V signals without damage or level-shifting circuitry. This feature is enabled by integrated input protection diodes and is explicitly guaranteed in the Absolute Maximum Ratings table (VIN = −0.5 to 7.0 V, with functional operation up to 5.5 V).
Does 74VHC541FT meet automotive reliability standards?
Yes, the 74VHC541FT is compliant with AEC-Q100 Rev. H for stress testing and reliability validation. It is rated for continuous operation from −40 °C to +125 °C and qualified for automotive body electronics, infotainment, and ADAS subsystems per Toshiba's official documentation and reliability reports.
How does the dual-enable architecture (G1 and G2) function in 74VHC541FT?
In the 74VHC541FT, both G1 and G2 are active-low enable inputs. Outputs go to high-impedance state if either G1 or G2 is HIGH; all eight Yn outputs become active (non-inverted) only when both G1 and G2 are LOW. This provides flexible bus control - for example, G1 can serve as global enable while G2 acts as local channel group control.
What is the typical propagation delay of 74VHC541FT at 3.3 V supply?
At VCC = 3.3 V and CL = 15 pF, the typical propagation delay (tPLH/tPHL) of 74VHC541FT is 4.8 ns. At CL = 50 pF, it is 7.3 ns. These values are specified in the AC Characteristics tables (Section 11.4) and confirmed across operating temperatures from −40 °C to +125 °C.
Is 74VHC541FT pin-compatible with standard 74-series 541 devices?
Yes, the 74VHC541FT is pin- and function-compatible with industry-standard 74AC, 74HC, and 74AHC541 devices in TSSOP20B packaging. Pin assignments match JEDEC MS-013AC (TSSOP20), and logic behavior (non-inverting, dual-enable 3-state) aligns exactly with the 74xx541 family baseline.
74VHC541FT Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Toshiba Semiconductor and Storage
- Series:
- 74VHC
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 8
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 8mA, 8mA
- Voltage - Supply:
- 2V ~ 5.5V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
74VHC541FT FAQ
1.How can I place an order for 74VHC541FT through Aetrix?
Please submit a Request for Quotation (RFQ) for 74VHC541FT 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 74VHC541FT reliable?
The price and inventory of 74VHC541FT are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74VHC541FT is usually 5 days.
3.What payment methods are accepted for 74VHC541FT?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74VHC541FT transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74VHC541FT?
74VHC541FT orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74VHC541FT 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 74VHC541FT?
For technical support, including 74VHC541FT datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74VHC541FT requirements.
6.How does Aetrix verify that 74VHC541FT is sourced from the original manufacturer or authorized distributors?
All 74VHC541FT 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 74VHC541FT meets industry standards.
7.What is the process for return or replacement of 74VHC541FT?
All 74VHC541FT units undergo pre-shipment inspection (PSI). If there is an issue with 74VHC541FT, 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 74VHC541FT part is unused and in its original packaging.
Return procedure for 74VHC541FT:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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