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NXP Semiconductors 74ABT241DB,112
- Part No.:
- 74ABT241DB,112
- Manufacturer:
- NXP Semiconductors
- Package:
- 20-SSOP (0.209", 5.30mm Width)
- Datasheet:
-
74ABT241DB,112.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 20SSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,875
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Product details
Overview
74ABT241DB,112 from Nexperia is an octal 3-state buffer/line driver in TSSOP20 package, designed for bidirectional bus interfacing with ±64mA/–32mA output drive, propagation delay of 4.6ns max at VCC = 5.0V ±0.5V, and operation over –40°C to +85°C. It serves as a high-drive bus interface in industrial control backplanes and memory address/data latching circuits.
For engineers reviewing the 74ABT241DB,112 datasheet, 74ABT241DB,112 pinout, 74ABT241DB,112 application, or 74ABT241DB,112 equivalent, key selection criteria include dual independent output enables (1OE/2OE), power-up 3-state behavior, latch-up immunity >500mA, and compatibility with 5V TTL logic systems requiring robust bus loading capability.
Technical Context
The 74ABT241DB,112 implements two independent 4-bit 3-state buffers, each controlled by its own enable input (1OE for Y0–Y3, 2OE for outputs 2Y0–2Y3). Its BiCMOS architecture delivers low static current (ICCZ = 50µA max) while sustaining high-speed switching (tPLH/tPHL ≤ 4.6ns) under 50pF load.
All inputs are disabled during 3-state mode, eliminating bus contention risk. Output disable time (tPLZ/tPHZ ≤ 7.1ns) and enable time (tPZH/tPZL ≤ 6.8ns) ensure precise timing control in synchronous bus arbitration and hot-swap-capable subsystems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5V to 5.5V - Ensures compatibility with standard 5V TTL and CMOS systems without level-shifting. |
| Propagation Delay | ≤4.6ns (An→Yn, VCC=5.0V±0.5V, CL=50pF) - Supports >200MHz bus clocking in high-speed digital backplanes. |
| Output Drive | +64mA sink / –32mA source - Drives heavy capacitive loads (e.g., 10+ TTL inputs or long PCB traces) without signal degradation. |
| Input Capacitance | 3pF - Minimizes loading on upstream drivers and preserves signal edge integrity in fan-out-critical paths. |
| 3-State Leakage | ±50µA (IOZL/IOZH, VCC=5.5V) - Prevents false logic states and crosstalk when outputs are disabled on shared buses. |
| Operating Temperature | –40°C to +85°C - Qualified for industrial-grade embedded controllers and factory automation equipment. |
Pinout & Package
74ABT241DB,112 is housed in a 20-lead plastic thin shrink small outline package (TSSOP20, SOT360-1), 4.4 mm body width, 0.65 mm lead pitch, surface-mount compatible with standard reflow profiles.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | 1OE, 2OE | Active-low enables - Independently activate first four (1Y0–1Y3) or second four (2Y0–2Y3) outputs; both must be low for full 8-bit drive. |
| 2, 4, 6, 8 | 1A0–1A3 | Data inputs for first buffer group - Connect to upstream data sources (e.g., microcontroller port pins). |
| 17, 15, 13, 11 | 2A0–2A3 | Data inputs for second buffer group - Support dual-bus topology or mirrored signal routing. |
| 18, 16, 14, 12 | 1Y0–1Y3 | 3-state outputs for first group - High-impedance state prevents contention when 1OE = high. |
| 3, 5, 7, 9 | 2Y0–2Y3 | 3-state outputs for second group - Enables independent control of two 4-bit data lanes on same physical bus. |
| 10 | GND | Ground reference - Must be low-inductance connection to minimize noise coupling into sensitive enable paths. |
| 20 | VCC | +5V supply - Requires local 100nF ceramic decoupling adjacent to pin 20 to suppress switching transients. |
Key Features
| Feature | Design Value |
|---|---|
| Power-up 3-State | Outputs remain in high-impedance until VCC stabilizes - Eliminates bus glitches during power sequencing in multi-rail systems. |
| Latch-up Immunity | Exceeds 500mA per JEDEC Std 17 - Withstands transient ground bounce or ESD-induced parasitic thyristor conduction. |
| ESD Protection | 2000V HBM / 200V MM - Meets IEC 61000-4-2 Level 2 for board-level robustness in industrial environments. |
| Low Input Leakage | ±1.0µA max (VI = GND or VCC) - Preserves signal integrity in high-impedance sensor interface or analog multiplexer control lines. |
| Independent Enable Control | Two OE pins allow staggered bus activation - Enables time-multiplexed access to shared memory or peripheral address/data buses. |
Applications
| Industrial PLC Backplane Interface | Memory Address Latching |
|---|---|
Use Scenario: Interfacing microcontroller GPIO banks to parallel I/O expansion modules across noisy factory-floor backplanes. IC Role / Device Role / Timing Role: Bidirectional bus driver buffering address/data signals between CPU and peripheral cards, with 3-state isolation during bus arbitration. Use Value: ±64mA drive sustains signal integrity over 15 cm trace lengths; dual OE pins enable selective module addressing without full bus reset. |
Use Scenario: Latching 8-bit address segments from a microprocessor to static RAM or EPROM chips in legacy embedded systems. IC Role / Device Role / Timing Role: Octal non-inverting buffer providing clean, low-skew address signals with guaranteed tPLH ≤ 4.6ns for setup-time compliance. Use Value: 3pF input capacitance minimizes loading on address bus drivers; power-up 3-state prevents spurious writes during boot. |
| Test Equipment Signal Routing | Digital Audio Data Bus Isolation |
Use Scenario: Multiplexing digital test patterns from multiple ATE channels onto shared DUT interface connectors. IC Role / Device Role / Timing Role: 3-state line driver enabling dynamic channel selection via OE control, with fast disable time (tPLZ ≤ 7.1ns) for glitch-free switching. Use Value: Independent 1OE/2OE allows simultaneous routing of two 4-bit test vectors; ±50µA 3-state leakage avoids false triggering on high-impedance measurement nodes. |
Use Scenario: Isolating I²S or SPDIF data lines between audio codec and FPGA in consumer audio products subject to ESD events. IC Role / Device Role / Timing Role: Robust 5V-tolerant buffer protecting downstream logic from voltage spikes while maintaining sub-5ns propagation delay for jitter-sensitive audio clocks. Use Value: 2000V HBM ESD rating meets IEC 61000-4-2; low 3pF input capacitance preserves edge rate of 12.288MHz I²S bit clocks. |
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 |
|---|---|---|---|
| SN74ABT241DBR | TI version in same TSSOP20 package; identical AC/DC specs but different ICCZ (75µA typ vs 50µA typ for 74ABT241DB,112) | Same industrial bus driving use cases; minor quiescent current difference affects ultra-low-power standby modes | Select 74ABT241DB,112 when minimizing supply current in always-on monitoring subsystems is critical |
| 74LVT241PW,118 | Nexperia's 3.3V-only LVT variant (VCC = 2.7–3.6V); lower drive (±32mA), faster tPLH (3.2ns typ), incompatible voltage domain | Requires level-shifting for 5V systems; suited for mixed-voltage designs with 3.3V FPGAs or ASICs | Choose 74ABT241DB,112 for native 5V TTL compatibility; select 74LVT241PW,118 only when system operates exclusively at 3.3V |
Compared with SN74ABT241DBR and 74LVT241PW,118, the 74ABT241DB,112 offers the lowest ICCZ in its 5V family and maintains full backward compatibility with legacy 74-series bus architectures without voltage translation.
Availability
74ABT241DB,112 is available at Aetrix Electronics and suitable for industrial PLC backplanes, memory address latching circuits, and test equipment signal routing requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74ABT241DB,112 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 leader in discrete, logic, and PowerMOS semiconductors, spun off from NXP's Standard Products division in 2017 and focused on automotive, industrial, computing, and consumer markets.
The 74ABT241DB,112 belongs to Nexperia's ABT-series advanced bi-directional bus transceivers, engineered for high-speed, high-drive 5V TTL-compatible applications where reliability and thermal stability are critical.
FAQ
What is the maximum operating temperature range for the 74ABT241DB,112?
The 74ABT241DB,112 is rated for continuous operation from –40°C to +85°C, meeting industrial-grade environmental requirements. This range is validated per the recommended operating conditions table in the official Nexperia datasheet, with junction temperature limited to 150°C under worst-case power dissipation.
Does the 74ABT241DB,112 support hot insertion or live bus swapping?
The 74ABT241DB,112 supports controlled hot insertion due to its power-up 3-state feature and high latch-up immunity (>500mA per JEDEC Std 17). However, it does not include dedicated hot-swap circuitry; external current-limiting resistors and sequencing controls are required for safe live bus connection.
Can the 74ABT241DB,112 drive 50Ω transmission lines directly?
No - the 74ABT241DB,112 is not designed for direct 50Ω line driving. Its output structure targets 50pF capacitive loads typical of PCB traces and TTL inputs. For 50Ω impedance matching, external series termination (e.g., 33Ω resistor) is required to prevent reflections on high-speed lines.
What is the function of the two separate output enables (1OE and 2OE) on the 74ABT241DB,112?
The 74ABT241DB,112 uses 1OE to control outputs 1Y0–1Y3 and 2OE to control outputs 2Y0–2Y3, enabling independent activation of two 4-bit data groups. This allows time-multiplexed bus access, partial bus isolation, or dual-channel signal routing without requiring two separate ICs.
Is the 74ABT241DB,112 pin-compatible with older 74-series octal buffers like the 74LS241?
No - while functionally similar, the 74ABT241DB,112 has a different pinout than 74LS241. Specifically, 74ABT241DB,112 places 1A0–1A3 on pins 2,4,6,8 and 2A0–2A3 on pins 17,15,13,11, whereas 74LS241 uses alternate assignments. Direct replacement requires PCB layout revision.
74ABT241DB,112 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74ABT
- Package/Case:
- 20-SSOP (0.209", 5.30mm Width)
- Packaging:
- Tube
- Product Status:
- Obsolete
- 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:
- 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
74ABT241DB,112 FAQ
1.How can I place an order for 74ABT241DB,112 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT241DB,112 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 74ABT241DB,112 reliable?
The price and inventory of 74ABT241DB,112 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT241DB,112 is usually 5 days.
3.What payment methods are accepted for 74ABT241DB,112?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ABT241DB,112 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ABT241DB,112?
74ABT241DB,112 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ABT241DB,112 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 74ABT241DB,112?
For technical support, including 74ABT241DB,112 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT241DB,112 requirements.
6.How does Aetrix verify that 74ABT241DB,112 is sourced from the original manufacturer or authorized distributors?
All 74ABT241DB,112 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 74ABT241DB,112 meets industry standards.
7.What is the process for return or replacement of 74ABT241DB,112?
All 74ABT241DB,112 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT241DB,112, 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 74ABT241DB,112 part is unused and in its original packaging.
Return procedure for 74ABT241DB,112:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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