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NXP Semiconductors 74ABT541DB,118
- Part No.:
- 74ABT541DB,118
- Manufacturer:
- NXP Semiconductors
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
74ABT541DB,118.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,656
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Product details
Overview
74ABT541DB,118 from NXP Semiconductors (formerly Philips) is an octal 3-state buffer/line driver in a 20-pin SSOP package, operating from 4.5 V to 5.5 V, with 2.9 ns typical propagation delay, ±32 mA high-level and +64 mA low-level output drive, and designed for bus interface applications in industrial control and data acquisition systems.
For engineers reviewing the 74ABT541DB,118 datasheet, 74ABT541DB,118 pinout, 74ABT541DB,118 application, or 74ABT541DB,118 equivalent, key selection criteria include 3-state enable timing (tPZH/tPLZ ≤ 6.4 ns), input/output capacitance (CIN = 4 pF, COUT = 7 pF), power-up 3-state behavior, latch-up immunity (>500 mA), and compatibility with 5 V TTL/CMOS logic families.
Technical Context
The 74ABT541DB,118 implements dual independent 3-state enables (OE0 and OE1) controlling eight non-inverting outputs (Y0–Y7) driven by corresponding inputs (A0–A7), with inputs and outputs placed on opposite sides of the package to minimize PCB trace crosstalk and simplify routing. Its BiCMOS process delivers both low static current (ICCZ = 500 nA at VCC = 5.5 V) and high-speed switching.
It supports live insertion/extraction and meets JEDEC JC40.2 latch-up standards and MIL-STD-883 ESD requirements (2000 V HBM, 200 V MM). The device operates across –40°C to +85°C with guaranteed DC electrical performance including VOL ≤ 0.55 V at IOL = 64 mA and VOH ≥ 2.0 V at IOH = –32 mA.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 4.5 V to 5.5 V - Ensures robust operation under noisy 5 V rail conditions with ±10% tolerance. |
| Propagation Delay (tPLH/tPHL) | 2.9 ns typical (CL = 50 pF, VCC = 5 V) - Enables sub-350 MHz bus timing margins in high-speed digital interfaces. |
| Output Drive Strength | Sinks 64 mA / Sources 32 mA - Drives heavy capacitive loads and multiple TTL inputs without external buffers. |
| Input Capacitance (CIN) | 4 pF - Minimizes loading on upstream drivers and preserves signal edge integrity. |
| 3-State Leakage (IOZL/IOZH) | ±50 µA max (VCC = 5.5 V) - Prevents unintended current paths during bus arbitration or power sequencing. |
| Operating Temperature | –40°C to +85°C - Qualified for industrial-grade embedded systems and factory automation equipment. |
Pinout & Package
74ABT541DB,118 is housed in a 20-pin plastic shrink small outline package (SSOP Type II, SOT339-1), 5.3 mm body width, 0.65 mm lead pitch, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | OE0, OE1 | Independent active-low 3-state enables - Allows selective activation of output groups for time-multiplexed bus sharing. |
| 2–9 | A0–A7 | Data inputs - Accept standard 5 V TTL/CMOS logic levels; placed on left side for orthogonal PCB layout. |
| 11–18 | Y0–Y7 | Non-inverting buffered outputs - High-drive capability supports fan-out to >20 LS-TTL loads per output. |
| 10 | GND | Ground reference - Dedicated ground pin minimizes ground bounce in multi-output switching events. |
| 20 | VCC | Positive supply - Decoupling capacitor placement adjacent to this pin is critical for noise suppression. |
Key Features
| Feature | Design Value |
|---|---|
| Power-up 3-State | Outputs remain in high-impedance state until VCC stabilizes - Prevents bus contention during power ramp-up. |
| Live insertion/extraction support | Validated mechanical and electrical design - Enables hot-swap backplane and modular I/O card replacement. |
| Latch-up protection | Exceeds 500 mA per JEDEC JC40.2 - Guarantees immunity to destructive latch-up under transient overvoltage or ESD events. |
| BiCMOS process technology | Combines CMOS input stage with bipolar output transistors - Delivers TTL-compatible speed and drive with CMOS-like quiescent power. |
Applications
| Industrial PLC Backplane Interface | Test Equipment Digital I/O Module |
|---|---|
Use Scenario: Bidirectional data transfer between CPU module and I/O expansion slots in programmable logic controllers. IC Role / Device Role / Timing Role: Octal buffer isolates and drives parallel address/data bus segments while enabling time-shared access via OE0/OE1 control. Use Value: 64 mA sink capability ensures reliable signaling across 200 mm backplane traces with up to 30 pF/m capacitance. | Use Scenario: Programmable digital stimulus/response channels in automated test equipment (ATE) racks. IC Role / Device Role / Timing Role: Level-shifting and fan-out buffer between FPGA control logic and DUT interface connectors. Use Value: Sub-3 ns propagation delay and <6.4 ns enable/disable times support 100+ MHz pattern generation with deterministic timing alignment. |
| Medical Imaging Data Acquisition | Avionics Sensor Signal Conditioning |
Use Scenario: Interfacing ADC front-end modules to high-speed DSP processors in CT/MRI scanner subsystems. IC Role / Device Role / Timing Role: Bus driver for serialized sensor data streams synchronized to system clock domains. Use Value: Low 4 pF input capacitance prevents degradation of fast-rising analog-to-digital conversion strobes. | Use Scenario: Isolating and conditioning discrete status signals (e.g., door open/closed, valve position) in flight control computers. IC Role / Device Role / Timing Role: Robust level translator and noise-immune line driver for harsh EMI environments. Use Value: –40°C to +85°C qualification and 2000 V HBM ESD rating meet DO-160 Section 22 lightning-induced transient requirements. |
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 |
|---|---|---|---|
| SN74ABT244N | 8-bit dual 3-state non-inverting buffer with identical pinout but single OE control (vs. dual OE in 74ABT541DB,118) | Lacks independent group enable; requires external logic for split-bus control | Select when simplified enable architecture suffices and board space permits DIP package |
| 74LVT244PW | Lower 3.3 V supply operation (2.7–3.6 V); 3.5 ns typical tPD; 24 mA drive - not 5 V tolerant | Requires level translation for 5 V systems; unsuitable for direct 5 V bus interfacing | Choose only for mixed-voltage 3.3 V core systems with isolated I/O domains |
Compared with SN74ABT244N and 74LVT244PW, the 74ABT541DB,118 uniquely provides dual independent 3-state enables in a compact SSOP package with full 5 V drive strength and industrial temperature range - making it optimal for space-constrained, high-reliability bus isolation where granular output control is required.
Availability
74ABT541DB,118 is available at Aetrix Electronics and suitable for industrial PLC backplanes, medical imaging data acquisition, and avionics sensor interfaces requiring stable component supply, long-term lifecycle assurance, and consistent parametric performance across production batches.
Supply support for 74ABT541DB,118 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
NXP Semiconductors is a global semiconductor leader delivering high-performance mixed-signal and logic solutions for automotive, industrial, and communication applications, with heritage in Philips' logic IC portfolio.
The 74ABT series was engineered for high-speed, high-drive 5 V bus interface applications in industrial control and instrumentation systems, emphasizing noise immunity, thermal stability, and compatibility with legacy TTL infrastructure.
FAQ
What is the maximum output current specification for 74ABT541DB,118?
The 74ABT541DB,118 specifies a low-level output current (IOL) of 64 mA and a high-level output current (IOH) of –32 mA, measured under recommended operating conditions (VCC = 4.5 V, VI = VIL/VIL). These values ensure reliable driving of multiple TTL loads or moderate PCB trace capacitance without signal degradation. Exceeding these limits risks exceeding absolute maximum ratings and may compromise reliability.
Does 74ABT541DB,118 support live insertion into powered systems?
Yes, the 74ABT541DB,118 is explicitly rated for live insertion and extraction per its product specification. This capability stems from its BiCMOS architecture, controlled power-up 3-state behavior, and robust ESD/latch-up protection (2000 V HBM, >500 mA latch-up immunity), making it suitable for hot-pluggable I/O modules and modular backplane designs where maintenance occurs without system shutdown.
What is the function of pins 1 and 19 on 74ABT541DB,118?
Pins 1 and 19 are OE0 and OE1 - independent active-low 3-state output enable inputs. When either is low, its associated four outputs (OE0 controls Y0–Y3; OE1 controls Y4–Y7) are enabled; when both are high, all eight outputs enter high-impedance state. This dual-enable architecture allows time-multiplexed or segmented bus access without external gating logic.
Is 74ABT541DB,118 compatible with 3.3 V logic inputs?
No, the 74ABT541DB,118 is a 5 V-only device with TTL-compatible input thresholds (VIL ≤ 0.8 V, VIH ≥ 2.0 V). While 3.3 V logic outputs may meet VIH under nominal conditions, voltage margin erosion due to noise, temperature drift, or source impedance can cause unreliable recognition. For 3.3 V systems, use a level-translating buffer such as the 74LVT244 or dedicated translators instead of relying on 74ABT541DB,118 directly.
What package type does 74ABT541DB,118 use and what are its key mechanical features?
The 74ABT541DB,118 uses a 20-pin plastic shrink small outline package (SSOP Type II, SOT339-1), measuring 7.2 mm × 5.3 mm with 0.65 mm lead pitch. Its gull-wing leads and narrow body enable high-density PCB layouts while maintaining manufacturability with standard SMT reflow processes. The package is RoHS-compliant and qualified for industrial temperature operation (–40°C to +85°C).
74ABT541DB,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74ABT
- Package/Case:
- 20-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- 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:
- 32mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SSOP
74ABT541DB,118 FAQ
1.How can I place an order for 74ABT541DB,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT541DB,118 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 74ABT541DB,118 reliable?
The price and inventory of 74ABT541DB,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT541DB,118 is usually 5 days.
3.What payment methods are accepted for 74ABT541DB,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ABT541DB,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ABT541DB,118?
74ABT541DB,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ABT541DB,118 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 74ABT541DB,118?
For technical support, including 74ABT541DB,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT541DB,118 requirements.
6.How does Aetrix verify that 74ABT541DB,118 is sourced from the original manufacturer or authorized distributors?
All 74ABT541DB,118 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 74ABT541DB,118 meets industry standards.
7.What is the process for return or replacement of 74ABT541DB,118?
All 74ABT541DB,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT541DB,118, 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 74ABT541DB,118 part is unused and in its original packaging.
Return procedure for 74ABT541DB,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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