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NXP Semiconductors N74F241D,602
- Part No.:
- N74F241D,602
- Manufacturer:
- NXP Semiconductors
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
N74F241D,602.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 20SO
- Quantity:
- Payment:
- Shipping:
Inventory:1,821
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Product details
Overview
N74F241D,602 from NXP Semiconductors (formerly Philips) is an octal 3-state buffer IC designed for bidirectional bus interface and address register driving in TTL-compatible digital systems. It features dual independent output enables (OEa/OEb), sinks up to 64 mA per output, sources up to 15 mA, and delivers 4.0 ns typical propagation delay at 5 V. It operates across 0 °C to +70 °C with 4.5–5.5 V supply.
For engineers reviewing the N74F241D,602 datasheet, N74F241D,602 pinout, N74F241D,602 application, or N74F241D,602 equivalent, key selection criteria include dual 4-bit 3-state control, high sink current capability for bus loading, TTL-level compatibility, SO20 package footprint, and commercial-temperature operation without derating.
Technical Context
The N74F241D,602 implements two independent 4-bit non-inverting buffer sections, each controlled by a dedicated output enable input (OEa for Ya0–Ya3, OEb for Yb0–Yb3). All outputs are fully 3-state capable with defined high-impedance behavior under disable conditions.
It adheres to FAST TTL logic family electrical characteristics: VIH = 2.0 V min, VIL = 0.8 V max, VOH = 2.4 V min at IOH = –3 mA, VOL = 0.50 V max at IOL = 64 mA, and ICCZ = 65–90 mA total supply current in 3-state mode.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | FAST TTL - ensures interoperability with legacy 74F/74LS systems and defined noise margins |
| Propagation Delay | 4.0 ns typical (Ian/Ibn to Yn) - supports high-speed bus timing in 25 MHz+ synchronous designs |
| Output Drive | Sinks 64 mA / sources 15 mA - drives heavy capacitive loads (e.g., >10 TTL inputs or long PCB traces) |
| Supply Voltage | 4.5–5.5 V - compatible with standard 5 V rail; no external regulation required |
| Operating Temperature | 0 °C to +70 °C - qualified for commercial-grade embedded and industrial control applications |
| Input Loading | 1.0/2.67 FAST unit loads (HIGH/LOW) - defines fan-out capacity without signal degradation |
| 3-State Enable Time | 4.0 ns typical (tPZH/tPZL) - enables rapid bus arbitration and multiplexing in shared-data-path systems |
Pinout & Package
Package: SO20 - plastic small outline, 20-pin, 7.5 mm body width, surface-mount (SOT163-1), RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 19 | OEa, OEb | Active-low output enable inputs; independently control Ya0–Ya3 and Yb0–Yb3 groups |
| 2–5, 13–16 | Ia0–Ia3, Ib0–Ib3 | Data inputs feeding respective buffer sections; TTL-compatible voltage thresholds |
| 11, 12 | VCC, GND | Power supply (Pin 20) and ground (Pin 10) - note: Pin 10 = GND, Pin 20 = VCC per datasheet |
| 6–9, 17, 18, 20 | Yb0–Yb3, Ya0–Ya3 | 3-state buffered outputs; high-impedance when OEa/OEb = HIGH; drive bus lines directly |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent 4-bit enables | OEa and OEb allow selective activation of two separate 4-bit data paths on one IC - reduces board space vs. two discrete buffers |
| High sink current (64 mA) | Supports direct connection to multiple TTL loads or unterminated transmission lines without external drivers |
| Low propagation delay (4.0 ns) | Meets timing budgets in fast microprocessor address/data bus interfaces (e.g., Z80, 8086 derivatives) |
| TTL-compatible input thresholds | VIH = 2.0 V min / VIL = 0.8 V max ensures reliable interfacing with legacy logic families without level shifters |
| SO20 surface-mount package | SOT163-1 footprint enables automated assembly and higher board density than DIP alternatives |
Applications
| Microprocessor Address Bus Driver | Memory Address Register Interface |
|---|---|
Use Scenario: Driving 16-bit address lines from a CPU to multiple memory chips in a shared-bus architecture. IC Role / Device Role / Timing Role: Non-inverting 3-state buffer providing isolation and current gain between CPU address pins and memory address inputs. Use Value: Dual OE control allows dynamic bus partitioning; 64 mA sink capability handles combined load of multiple SRAM/ROM address inputs without signal droop. |
Use Scenario: Interfacing a programmable logic device (PLD) output to static RAM address inputs with bus contention avoidance. IC Role / Device Role / Timing Role: Bidirectional-capable buffer enabling PLD to drive RAM addresses while preventing backdrive during refresh cycles. Use Value: Fast 4.0 ns delay preserves setup/hold timing margins; SO20 package fits compact PLD carrier boards. |
| Industrial PLC I/O Expansion Module | Legacy Instrumentation Data Bus Isolation |
Use Scenario: Buffering parallel I/O port signals between a microcontroller and opto-isolated field terminals in an industrial controller. IC Role / Device Role / Timing Role: Level-shifting and current-boosting interface between low-drive MCU GPIO and high-current relay driver inputs. Use Value: 15 mA source / 64 mA sink supports direct drive of LED indicators and transistor bases; commercial temp range matches PLC enclosure specs. |
Use Scenario: Isolating test equipment front-panel DIP-switch configuration data from internal logic to prevent noise coupling. IC Role / Device Role / Timing Role: Unidirectional 3-state buffer decoupling mechanical switch inputs from sensitive analog/digital circuitry. Use Value: High-impedance off-state eliminates leakage paths; 0.5 V max VOL ensures clean logic LOW detection even with aging contacts. |
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 |
|---|---|---|---|
| SN74F241N | Dual-in-line package (DIP20, SOT146-1); identical electrical specs and pinout | Through-hole assembly; preferred for prototyping, repair, or legacy wave-solder processes | Select SN74F241N when manual soldering or socket-based testing is required; same logic function and timing. |
| 74ACT241PW | Advanced CMOS (ACT) family; 5 V tolerant, lower ICC (20 µA typ), but only 24 mA sink current | Lower power consumption and higher noise immunity, but insufficient sink drive for heavy TTL loads | Choose 74ACT241PW only in mixed-voltage systems requiring 5 V input tolerance and ultra-low static power; verify load compatibility. |
Compared with SN74F241N and 74ACT241PW, the N74F241D,602 uniquely balances high-current drive (64 mA), fast propagation (4.0 ns), and SO20 surface-mount compatibility - making it optimal for space-constrained, high-reliability commercial bus interface designs where legacy TTL loading must be met.
Availability
N74F241D,602 is available at Aetrix Electronics and suitable for microprocessor address buffering, memory interface design, industrial PLC I/O expansion, and legacy instrumentation bus isolation requiring stable component supply and long-term manufacturability.
Supply support for N74F241D,602 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 focused on secure connectivity solutions for automotive, industrial, and IoT applications, with roots in Philips' pioneering logic and analog product lines.
The 74F FAST TTL series - including the N74F241D,602 - was engineered for high-speed, high-drive digital interfacing in commercial computing and control systems of the 1990s–2000s, emphasizing robustness, timing predictability, and backward compatibility.
FAQ
What is the maximum output sink current specification for N74F241D,602?
The N74F241D,602 is rated for 64 mA maximum sink current per output (IOL) under recommended operating conditions (VCC = 4.5–5.5 V, Tamb = 0–70 °C). This value is specified in the DC Electrical Characteristics table and validated across the full commercial temperature range - enabling direct drive of multiple TTL inputs or moderate-current peripheral interfaces without external amplification.
Does N74F241D,602 support true bidirectional data flow?
No, the N74F241D,602 is a unidirectional octal buffer: inputs (Ia0–Ia3, Ib0–Ib3) drive corresponding outputs (Ya0–Ya3, Yb0–Yb3) with no reverse path. Its 3-state outputs allow bus sharing, but data flow is strictly input-to-output. For bidirectional operation, a transceiver like the 74F245 would be required - the N74F241D,602 does not implement direction control or internal feedback paths.
What is the pin 10 and pin 20 assignment for N74F241D,602?
Per the official Philips/NXP datasheet (document 9397 750 12965), Pin 10 is GND and Pin 20 is VCC for the N74F241D,602 in SO20 package (SOT163-1). This matches the DIP variant's power pinout and is confirmed in the "PIN CONFIGURATION" diagram and "RECOMMENDED OPERATING CONDITIONS" section - critical for correct PCB layout and power integrity.
Can N74F241D,602 operate reliably at 4.5 V supply?
Yes, the N74F241D,602 is fully specified down to 4.5 V VCC (minimum limit in Recommended Operating Conditions). All key parameters - including VOH ≥ 2.4 V at IOH = –3 mA, VOL ≤ 0.50 V at IOL = 64 mA, and tPLH/tPHL ≤ 6.5 ns - are guaranteed across 4.5–5.5 V. Operation at 4.5 V maintains full functionality and timing compliance in margin-constrained 5 V systems.
Is N74F241D,602 pin-compatible with SN74F241N?
Yes, the N74F241D,602 (SO20, SOT163-1) and SN74F241N (DIP20, SOT146-1) share identical pin functions and logic behavior - only the package differs. The pin numbering, signal assignments (e.g., OEa = Pin 1, GND = Pin 10, VCC = Pin 20), and truth table are fully aligned. No schematic or firmware changes are needed when migrating between these variants of the N74F241D,602 family.
N74F241D,602 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- Series:
- 74F
- Package/Case:
- 20-SOIC (0.295", 7.50mm 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:
- 15mA, 64mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SO
N74F241D,602 FAQ
1.How can I place an order for N74F241D,602 through Aetrix?
Please submit a Request for Quotation (RFQ) for N74F241D,602 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 N74F241D,602 reliable?
The price and inventory of N74F241D,602 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for N74F241D,602 is usually 5 days.
3.What payment methods are accepted for N74F241D,602?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for N74F241D,602 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for N74F241D,602?
N74F241D,602 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your N74F241D,602 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 N74F241D,602?
For technical support, including N74F241D,602 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your N74F241D,602 requirements.
6.How does Aetrix verify that N74F241D,602 is sourced from the original manufacturer or authorized distributors?
All N74F241D,602 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 N74F241D,602 meets industry standards.
7.What is the process for return or replacement of N74F241D,602?
All N74F241D,602 units undergo pre-shipment inspection (PSI). If there is an issue with N74F241D,602, 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 N74F241D,602 part is unused and in its original packaging.
Return procedure for N74F241D,602:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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