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Texas Instruments CD74HC241M96
- Part No.:
- CD74HC241M96
- Manufacturer:
- Texas Instruments
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
CD74HC241M96.pdf
- Description:
- IC BUFFER NON-INVERT 6V 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:950
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Product details
Overview
CD74HC241M96 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 across 2 V to 6 V, delivers 7.8 mA sink/source drive per output, exhibits 9 ns typical propagation delay at 5 V/15 pF, and supports –55℃ to 125℃ industrial temperature range - used in bidirectional bus interfacing and address/data latching in microcontroller peripheral expansion.
For engineers reviewing the CD74HC241M96 datasheet, CD74HC241M96 pinout, CD74HC241M96 application, or CD74HC241M96 equivalent, key selection criteria include its dual-polarity enable architecture, high-current bus driving capability, wide supply voltage tolerance, and compatibility with both HC- and HCT-family logic families in mixed-voltage systems.
Technical Context
The CD74HC241M96 implements two independent 4-bit non-inverting buffer sections, each controlled by separate output enables: 1OE (active-high) and 2OE (active-low). This configuration allows flexible bus arbitration - for example, enabling one group of outputs while disabling another without external logic inversion.
Its CMOS design ensures low static current (≤160 μA over full temperature range), high noise immunity (NIL/NIH = 30% of VCC at 5 V), and balanced rise/fall times. The device shares identical pinout with CD74HC240 and CD74HC244 but differs functionally in enable polarity assignment and internal gating structure.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Logic Type | Non-inverting octal buffer with three-state outputs |
| Supply Voltage Range | 2 V to 6 V - supports mixed-voltage system interfacing and battery-powered operation |
| Propagation Delay | 9 ns typical at VCC = 5 V, CL = 15 pF - enables reliable timing in 30+ MHz digital buses |
| Output Drive | ±7.8 mA per output - sufficient to drive 15 LSTTL loads directly without buffering |
| Operating Temperature | –55℃ to +125℃ - qualified for aerospace, automotive under-hood, and industrial control environments |
| Input Leakage Current | ±1 μA max at VCC = 6 V - minimizes power loss in high-impedance input networks |
| Three-State Leakage | ±10 μA max - ensures clean bus release and prevents contention during state transitions |
Pinout & Package
CD74HC241M96 is packaged in a 20-pin SOIC (Small Outline Integrated Circuit) with nominal body size 12.80 mm × 7.50 mm and standard JEDEC MS-013 footprint. The package is RoHS-compliant, lead-finished with NiPdAu, and rated MSL-1 (unlimited floor life).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1A1–1A4, 2A1–2A4 | Input terminals (two groups of four) | Accept parallel data/address inputs; buffered to reduce loading on upstream drivers |
| 1Y1–1Y4, 2Y1–2Y4 | Three-state output terminals (two groups of four) | Drive downstream bus lines; high-impedance when respective OE is inactive |
| 1OE | Active-high output enable (Group 1) | Enables 1Y1–1Y4 when HIGH; disables them when LOW - simplifies direct MCU GPIO control |
| 2OE | Active-low output enable (Group 2) | Enables 2Y1–2Y4 when LOW; disables when HIGH - supports legacy enable signaling or inverted control logic |
| VCC, GND | Power supply pins | Single-supply operation; requires local 0.1 μF bypass capacitor per VCC pin for noise suppression |
Key Features
| Feature | Design Value |
|---|---|
| Dual-polarity output enables | One active-high (1OE) and one active-low (2OE) enable allow independent, polarity-matched control of two 4-bit output groups |
| High-current bus driving | ±7.8 mA output drive per pin meets 15-LSTTL load requirement - eliminates need for external line drivers in most applications |
| Wide supply voltage range | 2 V to 6 V operation enables interoperability between 3.3 V microcontrollers and 5 V legacy peripherals without level shifters |
| Low power consumption | ICC ≤ 160 μA over full temperature range - critical for battery-backed or thermally constrained embedded systems |
| Robust ESD protection | Rated per JEDEC JS-001 Class 2 (≥2 kV HBM) - reduces field failure risk in handling and assembly |
Applications
| Microcontroller Peripheral Expansion | Industrial Bus Interface |
|---|---|
|
Use Scenario: Expanding GPIO count of an ARM Cortex-M4 MCU to drive 8-bit parallel LCD controller and keypad scanner. IC Role / Device Role / Timing Role: CD74HC241M96 buffers and isolates MCU I/O from capacitive bus loads while enabling/disabling display vs. keypad sections via separate OEs. Use Value: Eliminates timing skew between display update and keypad scan cycles using independent 1OE/2OE control - no additional glue logic required. |
Use Scenario: Interfacing a PLC CPU module (5 V TTL) to multiple sensor nodes operating at 3.3 V logic levels. IC Role / Device Role / Timing Role: CD74HC241M96 acts as a bidirectional level-translating bus driver, leveraging its 2–6 V supply range and high noise margin. Use Value: Enables direct connection without discrete level shifters; ±7.8 mA drive sustains signal integrity across 15 cm ribbon cable runs. |
| Automotive Body Control Module | Test Equipment Signal Conditioning |
|
Use Scenario: Driving multiplexed LED indicators and relay coils in a vehicle door module exposed to –40℃ to +105℃ ambient. IC Role / Device Role / Timing Role: CD74HC241M96 provides robust, temperature-stable output buffering with fail-safe three-state behavior during MCU reset sequences. Use Value: Guaranteed operation down to –55℃ and up to +125℃ junction temperature ensures reliability in harsh under-dash environments. |
Use Scenario: Routing and conditioning digital stimulus signals from FPGA-based ATE to DUT pins with precise enable sequencing. IC Role / Device Role / Timing Role: CD74HC241M96 serves as a gated signal distributor, where 1OE controls test pattern delivery and 2OE gates reference clock edges. Use Value: 9 ns propagation delay and <18 ns transition time preserve signal edge fidelity for sub-50 MHz test vectors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar octal buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74HC241N | Same functionality 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; less suitable for high-density SMT layouts | Select SN74HC241N when manual soldering or socket-based testing is required; verify thermal derating in enclosed enclosures. |
| CD74HCT241M96 | Identical pinout and enable architecture, but TTL-compatible input thresholds (VIH = 2 V min, VIL = 0.8 V max) and 4.5–5.5 V only supply range | Better suited for legacy 5 V LSTTL systems; incompatible with 3.3 V-only or mixed-voltage domains | Choose CD74HCT241M96 only when interfacing exclusively with 5 V TTL sources; avoid in 3.3 V MCU designs due to VIH mismatch. |
Compared with SN74HC241N and CD74HCT241M96, CD74HC241M96 uniquely balances wide voltage operation (2–6 V), industry-grade temperature range (–55℃ to 125℃), and SOIC packaging - making it optimal for modern embedded systems requiring flexibility, reliability, and space efficiency.
Availability
CD74HC241M96 is available at Aetrix Electronics and suitable for microcontroller peripheral expansion, industrial bus interface, and automotive body control modules requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CD74HC241M96 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 and embedded processing solutions, with over 90 years of innovation in precision analog, power management, and logic ICs.
CD74HC241M96 belongs to TI's High-Speed CMOS Logic family, designed specifically for robust, low-power, wide-voltage digital interfacing in industrial, automotive, and communications equipment.
FAQ
What is the maximum output current per pin for CD74HC241M96?
The CD74HC241M96 supports ±7.8 mA DC output current per pin under recommended operating conditions (VCC = 6 V, TA = 25℃), enabling direct drive of 15 LSTTL loads. Absolute maximum ratings specify ±35 mA peak pulsed current, but sustained operation above ±7.8 mA risks exceeding thermal limits or violating VOH/VOL specifications.
Can CD74HC241M96 operate reliably at 3.3 V supply voltage?
Yes, CD74HC241M96 is fully specified for 2 V to 6 V operation, including 3.3 V. At VCC = 3.3 V, it maintains VIH = 2.31 V (70% of VCC), VIL = 0.99 V (30% of VCC), VOH ≥ 3.2 V (IOH = –20 μA), and VOL ≤ 0.1 V (IOL = 20 μA), ensuring robust compatibility with 3.3 V microcontrollers and FPGAs.
How does the dual-enable architecture of CD74HC241M96 differ from CD74HC244M96?
CD74HC241M96 features one active-high (1OE) and one active-low (2OE) enable, allowing independent control of two 4-bit output groups with complementary polarity. CD74HC244M96 uses two active-low enables (1OE, 2OE), requiring external inversion for active-high control - making CD74HC241M96 more flexible in mixed-control-signal environments.
Is CD74HC241M96 pin-compatible with CD74HC240M96?
No - although CD74HC241M96 shares the same 20-pin SOIC package and physical pinout as CD74HC240M96, their logic functions differ fundamentally: CD74HC240M96 is inverting with two active-low enables, while CD74HC241M96 is non-inverting with mixed-polarity enables. Substitution requires functional verification and may necessitate PCB netlist updates.
What thermal considerations apply to CD74HC241M96 in continuous operation?
CD74HC241M96 in SOIC-20 (M package) has RθJA = 109.1°C/W. At 6 V and full 8-output drive (±7.8 mA each), worst-case power dissipation is ~120 mW, resulting in ~13°C junction-to-ambient rise. Maintain ambient ≤112℃ to stay within 150℃ max TJ; use copper pour and thermal vias if ambient exceeds 85℃.
CD74HC241M96 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74HC
- 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:
- 7.8mA, 7.8mA
- Voltage - Supply:
- 2V ~ 6V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SOIC
CD74HC241M96 FAQ
1.How can I place an order for CD74HC241M96 through Aetrix?
Please submit a Request for Quotation (RFQ) for CD74HC241M96 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 CD74HC241M96 reliable?
The price and inventory of CD74HC241M96 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CD74HC241M96 is usually 5 days.
3.What payment methods are accepted for CD74HC241M96?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CD74HC241M96 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CD74HC241M96?
CD74HC241M96 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CD74HC241M96 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 CD74HC241M96?
For technical support, including CD74HC241M96 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CD74HC241M96 requirements.
6.How does Aetrix verify that CD74HC241M96 is sourced from the original manufacturer or authorized distributors?
All CD74HC241M96 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 CD74HC241M96 meets industry standards.
7.What is the process for return or replacement of CD74HC241M96?
All CD74HC241M96 units undergo pre-shipment inspection (PSI). If there is an issue with CD74HC241M96, 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 CD74HC241M96 part is unused and in its original packaging.
Return procedure for CD74HC241M96:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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