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Texas Instruments CD74HCT241M96
- Part No.:
- CD74HCT241M96
- Manufacturer:
- Texas Instruments
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
CD74HCT241M96.pdf
- Description:
- IC BUF NON-INVERT 5.5V 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,939
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Product details
Overview
CD74HCT241M96 from Texas Instruments is a non-inverting octal buffer/line driver with three-state outputs, featuring one active-high (1OE) and one active-low (2OE) output enable control. It operates at 4.5 V to 5.5 V, delivers ±24 mA output drive per channel, supports –55°C to +125°C industrial temperature range, and exhibits 10 ns typical propagation delay at VCC = 5 V, CL = 15 pF. It is used in bidirectional bus interfacing and memory address/data buffering in industrial control systems.
For engineers reviewing the CD74HCT241M96 datasheet, CD74HCT241M96 pinout, CD74HCT241M96 application, or CD74HCT241M96 equivalent, key selection criteria include its dual-output-enable logic configuration, LSTTL-compatible input thresholds (VIL ≤ 0.8 V, VIH ≥ 2.0 V), high-current bus driving capability, and SOIC-20 package compatibility with legacy 74-series layouts.
Technical Context
The CD74HCT241M96 implements eight independent non-inverting buffer channels, each with three-state output control governed by two separate enables: 1OE (active-high) controls Y1–Y4, and 2OE (active-low) controls Y5–Y8. This asymmetric enable architecture allows independent gating of two 4-bit groups within a single 20-pin SOIC package.
Its HCT logic family ensures direct compatibility with TTL-level inputs while maintaining CMOS power efficiency and noise immunity. Electrical behavior is specified across –55°C to +125°C, with guaranteed VOH ≥ 3.98 V and VOL ≤ 0.33 V at IO = ±6 mA, supporting robust signal integrity in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Family | HCT - TTL-compatible inputs (VIH ≥ 2.0 V, VIL ≤ 0.8 V) with CMOS power efficiency |
| Supply Voltage | 4.5 V to 5.5 V - matches standard 5 V systems without level-shifting |
| Propagation Delay | 10 ns typical at VCC = 5 V, CL = 15 pF - enables reliable operation up to ~30 MHz bus rates |
| Output Drive | ±24 mA per channel - sufficient to drive 15 LSTTL loads or terminate unterminated traces |
| Operating Temperature | –55°C to +125°C - qualified for extended industrial, automotive under-hood, and aerospace applications |
| Three-State Leakage | ±5 μA max at TA = –55°C to +125°C - ensures low standby current in high-impedance bus states |
| Input Capacitance | 10 pF - minimizes capacitive loading on upstream drivers and preserves signal edge rates |
Pinout & Package
CD74HCT241M96 is housed in a 20-pin SOIC (Small Outline Integrated Circuit) package with nominal body size 12.80 mm × 7.50 mm, compliant with JEDEC MS-013. The package features gull-wing leads, surface-mount construction, and RoHS-compliant NiPdAu lead finish.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A1–1A4, 2A1–2A4 | Buffer Inputs | Eight non-inverting data inputs grouped as two 4-bit ports (A1–A4, A5–A8) |
| 1Y1–1Y4 | Outputs (Group 1) | Four three-state outputs enabled by active-high 1OE (Pin 1) |
| 2Y1–2Y4 | Outputs (Group 2) | Four three-state outputs enabled by active-low 2OE (Pin 19) |
| 1OE | Output Enable 1 | Active-high control for Y1–Y4; ties to logic HIGH to enable Group 1 |
| 2OE | Output Enable 2 | Active-low control for Y5–Y8; ties to logic LOW to enable Group 2 |
| GND | Ground Reference | Pin 10 - primary return path for all I/O and supply currents |
| VCC | Power Supply | Pin 20 - must be bypassed with 0.1 μF ceramic capacitor placed adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Asymmetric Output Enables | Independent active-high (1OE) and active-low (2OE) controls allow flexible 4-bit group isolation without external inverters |
| LSTTL Input Compatibility | VIL ≤ 0.8 V and VIH ≥ 2.0 V at VCC = 4.5–5.5 V ensure seamless interface with legacy 74LS and microcontroller GPIOs |
| High-Current Bus Driving | ±24 mA output sink/source capability supports direct connection to 15 LSTTL loads or stub-loaded transmission lines |
| Wide Temperature Range | –55°C to +125°C operation validated per MIL-PRF-38535 Class B requirements for harsh-environment reliability |
| Low Dynamic Power | CPD = 38 pF enables sub-mW per channel dynamic power at 1 MHz, reducing thermal load in dense PCB layouts |
Applications
| Industrial PLC Backplane Interface | Automotive ECU Memory Expansion |
|---|---|
|
Use Scenario: Isolating and buffering address/data lines between CPU and multiple peripheral modules on a modular PLC backplane. IC Role / Device Role / Timing Role: Non-inverting octal buffer with dual enables provides selective 4-bit group access to shared memory-mapped peripherals. Use Value: Enables deterministic bus arbitration using discrete OE signals-no software overhead or timing-critical firmware delays required. |
Use Scenario: Expanding external SRAM or flash memory space for engine control unit (ECU) microcontrollers operating in under-hood environments. IC Role / Device Role / Timing Role: Level-translating and driving memory address latch and data bus signals with guaranteed timing margins at 125°C. Use Value: ±24 mA drive strength maintains signal integrity across long PCB traces and connector interfaces subject to vibration and thermal cycling. |
| Test Equipment Signal Routing | Avionics Data Acquisition Interface |
|
Use Scenario: Multiplexing sensor calibration signals and DUT stimulus lines in automated test equipment (ATE) with reconfigurable channel mapping. IC Role / Device Role / Timing Role: Three-state buffer enabling dynamic routing of 8-bit parallel data paths under FPGA control via 1OE/2OE. Use Value: Asymmetric enables allow simultaneous enable/disable of distinct 4-bit subsets-reducing FPGA pin count and simplifying routing logic. |
Use Scenario: Interfacing radiation-tolerant ADCs and discrete I/O to flight management system processors in commercial avionics. IC Role / Device Role / Timing Role: Robust bus driver meeting DO-254 functional safety requirements for data acquisition subsystems. Use Value: –55°C to +125°C qualification and 10 ns propagation delay support deterministic sampling windows and fault-tolerant timing budgets. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74HCT241N | Same logic function and pinout; PDIP-20 package instead of SOIC-20; higher RθJA (84.6°C/W vs. 109.1°C/W) | Preferred for through-hole prototyping or legacy board rework where SOIC footprint is unavailable | Select when manual soldering, socket-based testing, or mechanical robustness outweighs board space constraints |
| 74ACT241SCX | Advanced CMOS (ACT) family: 4.5–5.5 V supply, faster tPD = 8 ns typ, but higher ICC (max 160 μA vs. 80 μA) | Better suited for high-speed clock distribution or low-skew timing paths where nanosecond-level delay matters | Choose only if propagation delay reduction justifies increased static power and reduced noise margin (NIH/NIL ≈ 20% vs. 30%) |
Compared with SN74HCT241N and 74ACT241SCX, CD74HCT241M96 offers optimal balance of industrial temperature range, SOIC-20 surface-mount compatibility, and proven reliability in mission-critical embedded systems-without requiring layout changes or voltage translation.
Availability
CD74HCT241M96 is available at Aetrix Electronics and suitable for industrial PLC backplane interfaces, automotive ECU memory expansion, automated test equipment signal routing, and avionics data acquisition systems requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CD74HCT241M96 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
Texas Instruments is a global semiconductor leader delivering analog, embedded processing, and connectivity solutions for industrial, automotive, and communications markets.
CD74HCT241M96 belongs to TI's legacy high-speed CMOS logic portfolio, designed specifically for robust, pin-compatible upgrades of 74LS241 in industrial control, instrumentation, and aerospace systems requiring extended temperature operation.
FAQ
What is the maximum output current per pin for CD74HCT241M96?
The CD74HCT241M96 supports ±24 mA DC output current per channel under recommended operating conditions (VCC = 4.5–5.5 V, TA = –55°C to +125°C). This rating ensures reliable drive of 15 LSTTL loads and is validated across the full temperature range, making CD74HCT241M96 suitable for high-noise industrial bus environments where sustained current delivery is critical.
Does CD74HCT241M96 support mixed-voltage interfacing?
No-CD74HCT241M96 is strictly a 5 V-only device with VCC operating range of 4.5 V to 5.5 V. Its input thresholds (VIH ≥ 2.0 V, VIL ≤ 0.8 V) are optimized for TTL compatibility, not for interfacing with 3.3 V or 2.5 V logic families. For mixed-voltage systems, level-shifting circuitry or a dedicated voltage-tolerant buffer such as TXB0108 must be used alongside CD74HCT241M96.
How does the dual-output-enable architecture of CD74HCT241M96 differ from CD74HCT244M96?
CD74HCT241M96 uses one active-high (1OE) and one active-low (2OE) enable to independently control two 4-bit output groups (Y1–Y4 and Y5–Y8), whereas CD74HCT244M96 uses two active-low enables (1OE and 2OE). This difference means CD74HCT241M96 eliminates the need for external inverters when one group requires active-high control-reducing component count and PCB area in FPGA- or microcontroller-driven bus architectures.
What is the typical propagation delay of CD74HCT241M96 at 5 V and 25°C?
The typical propagation delay (tPLH/tPHL) of CD74HCT241M96 is 10 ns at VCC = 5 V, CL = 15 pF, and TA = 25°C. This value is measured from input transition to valid output transition under standard load conditions and reflects the device's ability to support synchronous bus operation up to approximately 30 MHz in well-terminated systems.
Is CD74HCT241M96 pin-compatible with older 74LS241 devices?
Yes-CD74HCT241M96 shares identical pinout, function, and DC electrical characteristics with 74LS241, including the same 20-pin SOIC footprint and dual-output-enable configuration. However, CD74HCT241M96 improves upon LS technology with lower power consumption, wider temperature range (–55°C to +125°C), and enhanced noise immunity-making it a direct drop-in replacement in most legacy designs without layout modification.
CD74HCT241M96 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74HCT
- Package/Case:
- 20-SOIC (0.295", 7.50mm Width)
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- 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:
- 6mA, 6mA
- Voltage - Supply:
- 4.5V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SOIC
CD74HCT241M96 FAQ
1.How can I place an order for CD74HCT241M96 through Aetrix?
Please submit a Request for Quotation (RFQ) for CD74HCT241M96 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 CD74HCT241M96 reliable?
The price and inventory of CD74HCT241M96 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CD74HCT241M96 is usually 5 days.
3.What payment methods are accepted for CD74HCT241M96?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CD74HCT241M96 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CD74HCT241M96?
CD74HCT241M96 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CD74HCT241M96 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 CD74HCT241M96?
For technical support, including CD74HCT241M96 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CD74HCT241M96 requirements.
6.How does Aetrix verify that CD74HCT241M96 is sourced from the original manufacturer or authorized distributors?
All CD74HCT241M96 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 CD74HCT241M96 meets industry standards.
7.What is the process for return or replacement of CD74HCT241M96?
All CD74HCT241M96 units undergo pre-shipment inspection (PSI). If there is an issue with CD74HCT241M96, 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 CD74HCT241M96 part is unused and in its original packaging.
Return procedure for CD74HCT241M96:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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