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Nexperia USA Inc. 74HC7541PW-Q100J
- Part No.:
- 74HC7541PW-Q100J
- Manufacturer:
- Nexperia USA Inc.
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
74HC7541PW-Q100J.pdf
- Description:
- IC BUFFER NON-INVERT 6V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:2,340
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Product details
Overview
74HC7541PW-Q100 from Nexperia is an automotive-grade octal Schmitt-trigger buffer/line driver with 3-state outputs, dual output enables (OE1, OE2), and CMOS-level inputs. It operates from 2.0 V to 6.0 V across −40 °C to +125 °C, delivers 7.8 mA sink/source drive at 6.0 V, and features input hysteresis (VH = 0.5 V typ. at VCC = 6.0 V) for noise-immune signal conditioning in body control modules.
For engineers reviewing the 74HC7541PW-Q100 datasheet, 74HC7541PW-Q100 pinout, 74HC7541PW-Q100 application, or 74HC7541PW-Q100 equivalent, key selection criteria include Schmitt-trigger threshold stability over temperature, 3-state timing (ten = 13 ns max at VCC = 6.0 V), dual-OE logic compatibility, and AEC-Q100 Grade 1 qualification for under-hood signal routing.
Technical Context
This device implements eight independent non-inverting buffer channels, each with hysteresis-enabled Schmitt-trigger inputs (VT+ = 4.2 V, VT− = 1.8 V at VCC = 6.0 V) to reject slow-rising noise on low-speed sensor or switch inputs. Its dual active-low output enables allow selective channel gating without bus contention.
The 3-state output architecture supports shared-bus applications via simultaneous or staggered enable control, while clamp diodes on all inputs permit safe interfacing to voltages exceeding VCC using external current-limiting resistors - critical for mixed-voltage domain bridging in automotive gateways.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply voltage range | 2.0 V to 6.0 V - supports 3.3 V and 5 V systems without level shifters |
| Operating temperature | −40 °C to +125 °C - qualified for engine bay and powertrain control units |
| Output drive strength | ±7.8 mA at VCC = 6.0 V - sufficient to drive 50 pF loads with <32 ns propagation delay |
| Input hysteresis | 0.5 V typical at VCC = 6.0 V - rejects >500 mV of low-frequency noise on switch inputs |
| Propagation delay | 11 ns to 32 ns (VCC = 6.0 V to 2.0 V) - ensures deterministic timing in 1–10 MHz digital control paths |
| Enable/disable time | 13 ns to 41 ns - enables fast bus arbitration in multiplexed sensor networks |
| ESD protection | HBM >2000 V, CDM >1000 V - meets automotive board-level ESD robustness requirements |
Pinout & Package
TSSOP20 package (SOT360-1), 4.4 mm body width, 0.65 mm pitch, 20-pin surface-mount outline optimized for high-density automotive PCBs.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | OE1, OE2 | Active-low dual output enables - both must be LOW for valid outputs; independent control enables partial bus isolation |
| 2–9 | A0–A7 | CMOS-level Schmitt-trigger inputs - accept slow-switching signals (e.g., door latch, seat position switches) without oscillation |
| 10 | GND | Ground reference - dedicated pin minimizes ground bounce in multi-channel switching |
| 11–18 | Y0–Y7 | Non-inverting 3-state outputs - high-impedance state prevents loading when disabled; ±7.8 mA drive capability |
| 20 | VCC | Power supply - decoupling required within 5 mm due to fast edge rates and automotive noise environment |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for −40 °C to +125 °C operation with full parametric compliance - eliminates requalification effort for Tier 1 suppliers |
| Schmitt-trigger input hysteresis | 0.5 V typical at 6.0 V - converts noisy mechanical switch closures into clean digital edges without external RC filtering |
| Dual 3-state output enables | Independent OE1/OE2 pins - allows interleaved channel activation to reduce simultaneous switching noise in ADAS domain controllers |
| Input clamp diodes | Integrated diodes to VCC and GND - enables direct connection to 12 V wake-up lines using only a series resistor, reducing BOM count |
| Low ICC supply current | 160 μA max at +125 °C - minimizes quiescent power in always-on vehicle networks (e.g., LIN gateway standby) |
Applications
| Body Control Module (BCM) | Power Distribution Unit (PDU) |
|---|---|
Use Scenario: Interfacing mechanical door latch switches with microcontroller GPIOs in harsh electromagnetic environments. IC Role / Device Role / Timing Role: Signal conditioner and level translator - converts slow, bouncing switch signals into jitter-free CMOS-compatible inputs. Use Value: Eliminates need for external RC filters and Schmitt-trigger discrete ICs, reducing PCB area by 35% and improving long-term reliability against contact oxidation. | Use Scenario: Driving multiple 12 V relay coils from a 5 V MCU in a centralized power distribution node. IC Role / Device Role / Timing Role: High-drive buffer with 3-state isolation - provides current gain while enabling safe hot-swap of downstream modules. Use Value: Delivers 7.8 mA per output at 5 V, supporting direct relay coil drive without external transistors; dual OE allows phased activation to limit inrush current. |
| Engine Control Unit (ECU) Sensor Hub | Infotainment System I/O Expander |
Use Scenario: Aggregating analog sensor reference signals (e.g., coolant temp, oil pressure) with digital status flags for CAN transmission. IC Role / Device Role / Timing Role: Noise-immune signal buffer - isolates sensitive ADC references from noisy digital domains using Schmitt-trigger inputs and 3-state outputs. Use Value: Input hysteresis rejects >400 mV of conducted noise on 12 V sensor harnesses, ensuring stable flag reporting during cranking events. | Use Scenario: Extending GPIO count for touch panel button scanning and LED backlight control in head unit designs. IC Role / Device Role / Timing Role: Parallel I/O expander with bus-isolation capability - buffers MCU outputs to external peripherals while preventing back-drive during firmware updates. Use Value: Dual OE pins allow dynamic partitioning of 8-bit port into two independent 4-bit groups, enabling concurrent UI and diagnostics communication without hardware redesign. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal Schmitt-trigger buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| 74HCT7541PW-Q100 | TTL-compatible inputs (VIH = 2.0 V min), identical pinout and timing | Required when interfacing legacy 5 V TTL logic; higher input current vs. HC version | Select for mixed-logic systems where upstream drivers lack CMOS-level swing |
| SN74LVCH16244A-Q1 | 16-bit, 3.3 V only, LVCMOS levels, no Schmitt inputs | Higher channel count but no hysteresis - unsuitable for noisy switch inputs | Choose only for clean digital bus extension; not a functional replacement for Schmitt applications |
Compared with 74HCT7541PW-Q100, the HC variant offers lower static current and wider VCC range but requires CMOS-level inputs; SN74LVCH16244A-Q1 trades hysteresis for density and speed, making it viable only in noise-controlled signal paths.
Availability
74HC7541PW-Q100 is available at Aetrix Electronics and suitable for body control modules, power distribution units, engine control sensor hubs, and infotainment I/O expansion requiring stable component supply across automotive production lifecycles.
Supply support for 74HC7541PW-Q100 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
Nexperia is a global semiconductor expert focused on essential efficiency technologies, delivering high-performance, reliable standard products for automotive, industrial, and consumer markets.
The 74HC7541-Q100 belongs to Nexperia's automotive logic portfolio, engineered specifically for noise-prone vehicle subsystems requiring robust signal integrity, wide temperature operation, and AEC-Q100 compliance.
FAQ
What is the maximum clock frequency supported by the 74HC7541PW-Q100?
The 74HC7541PW-Q100 is not a clocked device - it is a combinational buffer with no internal clock. Its usable signal bandwidth is determined by propagation delay (11–32 ns) and transition time (4–15 ns), supporting clean edge transmission up to approximately 20 MHz for repetitive digital waveforms under loaded conditions.
Can OE1 and OE2 be tied together for single-enable operation?
Yes - OE1 and OE2 can be paralleled to function as a single active-low enable. This configuration maintains full 3-state functionality and does not degrade timing or drive capability. The dual-enable design allows flexibility, but co-tied operation is electrically valid and commonly used in space-constrained layouts.
Does the 74HC7541PW-Q100 support hot insertion or live bus connection?
No - the device lacks powered-off protection circuitry. Connecting or disconnecting while powered may cause latch-up or damage due to uncontrolled voltage sequencing. Always power-cycle the system before physical connector mating, especially in 12 V automotive environments where backfeed risks exist.
How does the input hysteresis improve performance in automotive switch interfaces?
The 0.5 V typical hysteresis (at VCC = 6.0 V) creates distinct turn-on (VT+ = 4.2 V) and turn-off (VT− = 1.8 V) thresholds, eliminating chatter caused by mechanical switch bounce or EMI-induced voltage fluctuations. This ensures one clean logic transition per physical actuation, removing the need for firmware debouncing or external RC networks.
74HC7541PW-Q100J Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Nexperia USA Inc.
- Series:
- 74HC
- 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:
- Schmitt Trigger
- Output Type:
- 3-State
- Current - Output High, Low:
- 7.8mA, 7.8mA
- Voltage - Supply:
- 2V ~ 6V
- Operating Temperature:
- -40°C ~ 125°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
74HC7541PW-Q100J FAQ
1.How can I place an order for 74HC7541PW-Q100J through Aetrix?
Please submit a Request for Quotation (RFQ) for 74HC7541PW-Q100J 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 74HC7541PW-Q100J reliable?
The price and inventory of 74HC7541PW-Q100J are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74HC7541PW-Q100J is usually 5 days.
3.What payment methods are accepted for 74HC7541PW-Q100J?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74HC7541PW-Q100J transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74HC7541PW-Q100J?
74HC7541PW-Q100J orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74HC7541PW-Q100J 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 74HC7541PW-Q100J?
For technical support, including 74HC7541PW-Q100J datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74HC7541PW-Q100J requirements.
6.How does Aetrix verify that 74HC7541PW-Q100J is sourced from the original manufacturer or authorized distributors?
All 74HC7541PW-Q100J 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 74HC7541PW-Q100J meets industry standards.
7.What is the process for return or replacement of 74HC7541PW-Q100J?
All 74HC7541PW-Q100J units undergo pre-shipment inspection (PSI). If there is an issue with 74HC7541PW-Q100J, 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 74HC7541PW-Q100J part is unused and in its original packaging.
Return procedure for 74HC7541PW-Q100J:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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