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NXP Semiconductors 74ABT2241PW,118
- Part No.:
- 74ABT2241PW,118
- Manufacturer:
- NXP Semiconductors
- Package:
- 20-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
74ABT2241PW,118.pdf
- Description:
- IC BUFF NON-INVERT 5.5V 20TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:4,603
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Product details
Overview
74ABT2241PW,118 from NXP Semiconductors (formerly Philips) is an octal 3-state buffer with integrated 30Ω series output termination resistors, designed for high-speed bus driving in memory address, clock, and data bus applications. It features dual independent output enables (1OE, 2OE), ±12mA/–32mA drive capability, and operates across –40°C to +85°C at 4.5V–5.5V supply.
For engineers reviewing the 74ABT2241PW,118 datasheet, 74ABT2241PW,118 pinout, 74ABT2241PW,118 application, or 74ABT2241PW,118 equivalent, key selection criteria include its built-in series termination for noise reduction, dual OE control for flexible bus partitioning, and BiCMOS performance delivering 2.9ns typical propagation delay at 5V with 50pF load.
Technical Context
The 74ABT2241PW,118 implements a high-speed BiCMOS architecture that integrates 30Ω series resistors in both high- and low-output paths-eliminating external termination components and reducing signal reflections on PCB traces. Its dual 3-state enable inputs (1OE, 2OE) independently control two groups of four outputs, enabling selective bus isolation without additional logic.
It meets JEDEC Std 17 latch-up immunity (>500mA) and MIL-STD-883 Method 3015 ESD protection (>2000V HBM), with power-up 3-state behavior ensuring defined outputs during power ramp. The device is specified for 5V operation only, with input thresholds (VIL = 0.8V, VIH = 2.0V) compatible with TTL and CMOS logic families.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage | 4.5V–5.5V - Ensures robust operation across industrial 5V rail tolerances. |
| Propagation Delay (tPLH/tPHL) | 2.9ns typical @ CL=50pF, VCC=5V - Enables sub-3ns timing margins in high-speed address/data buses. |
| Output Drive | +12mA / –32mA - Supports direct drive of multiple TTL loads or unterminated transmission lines. |
| Input Capacitance | 3pF - Minimizes capacitive loading on upstream drivers, preserving signal edge integrity. |
| Series Termination | 30Ω integrated per output - Reduces ringing and overshoot without external resistors, simplifying layout. |
| Operating Temperature | –40°C to +85°C - Qualified for industrial and automotive under-hood environments. |
| Quiescent Supply Current (ICCZ) | 50µA @ VCC=5.5V, outputs disabled - Enables low-power standby in bus-hold or hot-swap systems. |
Pinout & Package
74ABT2241PW,118 is housed in a 20-pin plastic TSSOP (Thin Shrink Small Outline Package), Type I, body width 4.4 mm (SOT360-1), with standard 0.65 mm lead pitch and exposed pad not present.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | 1OE, 2OE | Active-low enables controlling Group 1 (pins 12,14,16,18) and Group 2 (pins 3,5,7,9) outputs independently. |
| 2,4,6,8 | 1A0–1A3 | Data inputs for first output group; routed to outputs 1Y0–1Y3 when 1OE = L. |
| 17,15,13,11 | 2A0–2A3 | Data inputs for second output group; routed to outputs 2Y0–2Y3 when 2OE = L. |
| 12,14,16,18 | 1Y0–1Y3 | 3-state outputs with integrated 30Ω series resistor; driven by 1A0–1A3 when 1OE = L. |
| 3,5,7,9 | 2Y0–2Y3 | 3-state outputs with integrated 30Ω series resistor; driven by 2A0–2A3 when 2OE = L. |
| 10 | GND | Ground reference for all internal circuitry and output termination networks. |
| 20 | VCC | +5V supply powering BiCMOS output stages and termination resistors. |
Key Features
| Feature | Design Value |
|---|---|
| Integrated 30Ω series termination | Eliminates need for eight discrete 30Ω resistors, reducing BOM count and PCB area while ensuring consistent impedance matching. |
| Dual independent 3-state enables | Allows dynamic segmentation of 8-bit buses into two 4-bit zones, enabling partial bus updates without full arbitration. |
| Power-up 3-state behavior | Outputs remain in high-impedance state until VCC stabilizes above threshold, preventing bus contention during power sequencing. |
| High noise immunity | 2000V HBM ESD rating and >500mA latch-up protection ensure reliability in noisy industrial environments. |
| Low input capacitance (3pF) | Reduces loading on preceding drivers, maintaining fast edge rates and minimizing skew across parallel data paths. |
Applications
| Memory Address Drivers | System Clock Distribution |
|---|---|
|
Use Scenario: Driving 8-bit address lines from a microcontroller to SRAM or EPROM chips on a densely routed PCB. IC Role / Device Role / Timing Role: Bidirectional bus buffer with controlled slew and on-die termination, acting as a low-skew address repeater. Use Value: Integrated 30Ω resistors suppress ringing on long address traces, improving setup/hold timing margin by up to 1.2ns versus non-terminated buffers. |
Use Scenario: Distributing a single system clock to multiple synchronous peripherals (e.g., UARTs, timers) with matched trace lengths. IC Role / Device Role / Timing Role: Unidirectional clock fanout buffer with matched output impedance, minimizing jitter accumulation. Use Value: 2.9ns typical tPLH ensures <100ps inter-channel skew across all eight outputs, critical for synchronous multi-peripheral timing. |
| PCI Bus Interface Logic | Legacy ISA Bus Expansion |
|
Use Scenario: Isolating and driving PCI address/data multiplexed bus segments in add-in cards requiring hot-plug compatibility. IC Role / Device Role / Timing Role: 3-state bus transceiver with dual OE control, supporting PCI burst read/write cycles. Use Value: Dual OE pins allow precise timing of bus release and acquisition, meeting PCI 2.1 hold-time requirements without external glue logic. |
Use Scenario: Extending ISA bus signals (IOR#, IOW#, MEMR#, MEMW#) to daughter cards in industrial PC/AT form factor systems. IC Role / Device Role / Timing Role: Level-shifting and current-boosting buffer for ISA control strobes with TTL-compatible thresholds. Use Value: –32mA sink capability drives heavy ISA bus loads (up to 10 TTL units), eliminating need for discrete transistor buffers. |
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 |
|---|---|---|---|
| SN74ABT2241DBR | TI version in SSOP-20 (SOT339-1); identical AC/DC specs but different thermal resistance (θJA = 110°C/W vs 135°C/W for PW). | Same bus-driving function; SSOP package has higher moisture sensitivity level (MSL 3 vs MSL 1 for TSSOP). | Select SN74ABT2241DBR if SSOP footprint is already standardized in your design; verify reflow profile for MSL3 handling. |
| 74LVT2241PW,118 | NXP LVT variant: lower VCC range (2.7–3.6V), no integrated 30Ω resistors, 3.5ns typical tPLH - optimized for 3.3V systems without termination. | Not suitable for 5V bus termination; requires external resistors for noise control in legacy 5V designs. | Choose 74LVT2241PW,118 only for new 3.3V-only systems where power efficiency outweighs termination integration. |
Compared with SN74ABT2241DBR and 74LVT2241PW,118, the 74ABT2241PW,118 uniquely delivers 5V-compatible 30Ω series termination in a compact TSSOP package - making it the only drop-in solution for noise-sensitive 5V bus upgrades without layout revision.
Availability
74ABT2241PW,118 is available at Aetrix Electronics and suitable for memory subsystems, clock distribution networks, and legacy bus expansion requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for 74ABT2241PW,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, formerly Philips Semiconductors, is a global leader in high-performance logic and interface ICs, with deep expertise in automotive, industrial, and communications silicon.
The 74ABT family was engineered for 5V high-speed bus interfacing in mission-critical industrial systems, emphasizing noise immunity, drive strength, and termination integration - directly addressing signal integrity challenges in dense PCB layouts.
FAQ
What is the function of the dual output enables (1OE and 2OE) on the 74ABT2241PW,118?
The 74ABT2241PW,118 uses 1OE and 2OE as active-low independent controls: 1OE enables outputs 1Y0–1Y3 (driven by inputs 1A0–1A3), while 2OE enables outputs 2Y0–2Y3 (driven by 2A0–2A3). This allows selective activation of two 4-bit sub-buses without external gating logic, supporting partial bus writes and reduced switching noise.
Does the 74ABT2241PW,118 require external termination resistors?
No - the 74ABT2241PW,118 integrates 30Ω series resistors in both high- and low-output paths for all eight outputs. This eliminates the need for external termination, reduces PCB component count, and ensures consistent impedance matching across all channels, directly improving signal integrity on unterminated traces.
What is the maximum operating supply voltage for the 74ABT2241PW,118?
The absolute maximum DC supply voltage for the 74ABT2241PW,118 is +7.0V, but the recommended operating range is strictly 4.5V to 5.5V. Operation outside this range may cause excessive ICCZ current, timing violations, or accelerated wear-out; sustained use above 5.5V voids parametric guarantees.
How does the 74ABT2241PW,118 handle power-up sequencing?
The 74ABT2241PW,118 features power-up 3-state behavior: outputs remain in high-impedance until VCC exceeds ~2.1V and stabilizes. This prevents bus contention during power ramp, eliminating the need for external reset-controlled OE assertion in systems with asynchronous power domains.
Is the 74ABT2241PW,118 RoHS compliant?
Yes - the 74ABT2241PW,118 (SOT360-1 package) is manufactured to RoHS Directive 2011/65/EU standards, with lead-free terminations and halogen-free molding compound. Full compliance documentation, including substance declarations and test reports, is available upon request from Aetrix Electronics.
74ABT2241PW,118 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74ABT
- Package/Case:
- 20-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tape & Reel (TR)
- 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, 12mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-TSSOP
74ABT2241PW,118 FAQ
1.How can I place an order for 74ABT2241PW,118 through Aetrix?
Please submit a Request for Quotation (RFQ) for 74ABT2241PW,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 74ABT2241PW,118 reliable?
The price and inventory of 74ABT2241PW,118 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for 74ABT2241PW,118 is usually 5 days.
3.What payment methods are accepted for 74ABT2241PW,118?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for 74ABT2241PW,118 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for 74ABT2241PW,118?
74ABT2241PW,118 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your 74ABT2241PW,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 74ABT2241PW,118?
For technical support, including 74ABT2241PW,118 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your 74ABT2241PW,118 requirements.
6.How does Aetrix verify that 74ABT2241PW,118 is sourced from the original manufacturer or authorized distributors?
All 74ABT2241PW,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 74ABT2241PW,118 meets industry standards.
7.What is the process for return or replacement of 74ABT2241PW,118?
All 74ABT2241PW,118 units undergo pre-shipment inspection (PSI). If there is an issue with 74ABT2241PW,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 74ABT2241PW,118 part is unused and in its original packaging.
Return procedure for 74ABT2241PW,118:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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