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Texas Instruments SN74HC241DWRG4
- Part No.:
- SN74HC241DWRG4
- Manufacturer:
- Texas Instruments
- Package:
- 20-SOIC (0.295", 7.50mm Width)
- Datasheet:
-
SN74HC241DWRG4.pdf
- Description:
- IC BUFFER NON-INVERT 6V 20SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:1,333
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Product details
Overview
SN74HC241DWRG4 from Texas Instruments is an octal noninverting buffer/line driver with dual 3-state outputs, designed for memory address and bus driving in industrial control and embedded systems. It operates from 2 V to 6 V, delivers ±6 mA output drive at 5 V, exhibits typical propagation delay of 11 ns, and consumes ≤80 μA ICC.
For engineers reviewing the SN74HC241DWRG4 datasheet, SN74HC241DWRG4 pinout, SN74HC241DWRG4 application, or SN74HC241DWRG4 equivalent, this page provides verified functional modes, thermal metrics for SOIC-20, switching characteristics at 50 pF load, and validated alternatives for bus interface upgrades.
Technical Context
The SN74HC241DWRG4 implements two independent 4-bit noninverting buffers, each with dedicated output-enable inputs (1OE and 2OE). When 1OE is low or 2OE is high, data passes transparently from A inputs to Y outputs; when 1OE is high or 2OE is low, the corresponding Y outputs enter high-impedance state.
It uses silicon-gate CMOS technology, supports LSTTL-load compatibility (up to 15 loads), and features low input current (≤1 μA) and rail-to-rail output swing. Its 3-state architecture enables bidirectional bus control without external logic, and its 20-pin SOIC package (12.80 mm × 7.50 mm) supports standard surface-mount assembly.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Supply Voltage Range | 2 V to 6 V - supports mixed-voltage system interfacing and legacy 5 V TTL compatibility |
| Output Drive Capability | ±6 mA at 5 V - sufficient to directly drive 15 LSTTL loads without buffering |
| Propagation Delay (tpd) | 11 ns typical at VCC = 4.5 V, CL = 50 pF - enables reliable operation in 30+ MHz bus timing |
| Quiescent Current (ICC) | 80 μA max at 6 V - ensures ultra-low static power in battery-backed or always-on subsystems |
| Input Leakage Current | 1 μA max - prevents unintended logic transitions on unterminated or high-impedance traces |
| Junction-to-Ambient θJA | 109.1 °C/W (SOIC DW) - defines thermal derating limits for continuous 8-channel operation at 85 °C ambient |
| 3-State Enable Timing (ten/tdis) | 17 ns typical enable/disable at 4.5 V - guarantees clean bus arbitration with minimal contention window |
Pinout & Package
SN74HC241DWRG4 is housed in a 20-pin SOIC (DW) package with nominal body dimensions of 12.80 mm × 7.50 mm and maximum height of 2.65 mm. The package complies with JEDEC MS-013 and is RoHS-compliant with NiPdAu lead finish and MSL Level-1 rating.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2, 3, 4, 5, 6, 7, 8 | A1–A8 Inputs | Noninverting data inputs for first and second 4-bit groups; tied to logic high or low if unused per TI SCBA004 |
| 9, 10, 11, 12, 13, 14, 15, 16 | Y1–Y8 Outputs | 3-state buffered outputs; high-impedance when respective OE is inactive |
| 17 | 1OE | Active-low enable for Y1–Y4; low = enabled, high = high-Z |
| 18 | 2OE | Active-high enable for Y5–Y8; high = enabled, low = high-Z |
| 19 | GND | Ground reference for all internal circuitry and I/O |
| 20 | VCC | Positive supply rail; requires local 0.1-μF bypass capacitor per TI layout guidelines |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent 4-bit 3-state control | Enables selective activation of two bus segments using separate OE signals - eliminates need for external gating logic |
| Rail-to-rail output voltage swing | VOH ≥ 4.4 V and VOL ≤ 0.26 V at 4.5 V supply - ensures robust noise margin against LSTTL thresholds |
| Low dynamic power consumption | Cpd = 35 pF per buffer - reduces switching power in high-frequency address/data buses |
| Wide temperature range support | Specified from –40 °C to +85 °C - suitable for industrial automation and automotive under-hood ECUs |
| ESD protection | Exceeds 2 kV HBM - mitigates field failures during handling and board-level integration |
Applications
| Memory Address Buffering | Industrial Bus Interface |
|---|---|
Use Scenario: Driving 16-bit address lines from microcontroller to SRAM or EPROM in programmable logic controllers. IC Role / Device Role / Timing Role: Noninverting buffer with 3-state isolation between CPU and memory banks during DMA cycles. Use Value: Prevents bus contention during memory refresh; 11 ns tpd ensures setup/hold compliance at 25 MHz clock rates. | Use Scenario: Isolating Modbus RTU or CAN transceiver address/data lines in factory-floor I/O modules. IC Role / Device Role / Timing Role: Bidirectional bus driver enabling shared RS-485/CAN physical layer access across multiple nodes. Use Value: Dual OE control allows independent enable/disable of transmit/receive paths without software overhead. |
| Legacy System Interfacing | Test Equipment Signal Conditioning |
Use Scenario: Level-shifting and fanout expansion between 3.3 V FPGA I/O and 5 V peripheral ASICs in retrofitted instrumentation. IC Role / Device Role / Timing Role: Voltage-tolerant buffer translating logic levels while maintaining signal integrity across mixed-supply domains. Use Value: 2 V–6 V operation eliminates level-shifters; ±6 mA drive sustains signal edge rate over 15 cm PCB traces. | Use Scenario: Driving multiple DUT (device-under-test) inputs simultaneously from a single pattern generator channel in automated test fixtures. IC Role / Device Role / Timing Role: Fanout buffer distributing synchronized test vectors with matched propagation delays across parallel channels. Use Value: Matched tpd across all eight outputs (<5 ns skew) ensures deterministic timing alignment for multi-pin functional testing. |
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 |
|---|---|---|---|
| SN74HCT241DWR | TTL-compatible input thresholds (VIH = 2 V min); identical SOIC-20 pinout and 3-state behavior | Better suited for direct interfacing with legacy 5 V TTL logic without pull-up resistors | Select when interfacing with older 74LS/74ALS families where HC input thresholds may cause marginal VIH margins |
| 74LCX241MTCX | Lower VCC range (2.0–3.6 V), higher speed (tpd = 5.5 ns @ 3.3 V), and 3.6 V tolerant inputs | Optimized for 3.3 V systems with aggressive timing budgets and mixed-voltage I/O requirements | Choose for modern low-voltage embedded designs requiring sub-6 ns propagation and 5 V-tolerant inputs |
Compared with SN74HC241DWRG4, SN74HCT241DWR offers guaranteed TTL input compatibility at 5 V but lacks 2 V operation, while 74LCX241MTCX delivers faster performance in 3.3 V domains but cannot operate above 3.6 V - making SN74HC241DWRG4 the optimal choice for wide-supply flexibility and industrial temperature resilience.
Availability
SN74HC241DWRG4 is available at Aetrix Electronics and suitable for industrial automation, test equipment, and legacy system upgrades requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant SOIC packaging.
Supply support for SN74HC241DWRG4 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 specializing in analog, embedded processing, and logic solutions for industrial, automotive, and communications markets.
The SN74HC241DWRG4 belongs to TI's 74HC logic family, engineered for high noise immunity, low power, and seamless interoperability with legacy TTL systems in space-constrained industrial control applications.
FAQ
What is the maximum operating temperature for SN74HC241DWRG4?
The SN74HC241DWRG4 is rated for operation from –40 °C to +85 °C ambient temperature. This specification is confirmed in Section 5.2 of the TI SCLS300E datasheet and applies to the SOIC (DW) package variant. Thermal derating must be applied beyond 85 °C ambient based on its 109.1 °C/W junction-to-ambient thermal resistance.
Does SN74HC241DWRG4 support 3.3 V operation?
Yes, SN74HC241DWRG4 fully supports 3.3 V operation. Its recommended supply range is 2 V to 6 V, and electrical characteristics including VOH (≥3.98 V), VOL (≤0.26 V), and tpd (23 ns typical) are explicitly specified at VCC = 4.5 V and VCC = 2 V - confirming robust functionality across the entire 3.3 V nominal range.
How are the output-enable pins configured on SN74HC241DWRG4?
SN74HC241DWRG4 has two independent output-enable inputs: Pin 17 (1OE) is active-low for Y1–Y4, and Pin 18 (2OE) is active-high for Y5–Y8. When 1OE is low, Y1–Y4 follow A1–A4; when 2OE is high, Y5–Y8 follow A5–A8. Both outputs go high-impedance when their respective OE condition is unmet.
Is SN74HC241DWRG4 pin-compatible with SN74HC240?
No, SN74HC241DWRG4 is not pin-compatible with SN74HC240. While both are octal 3-state buffers in SOIC-20 packages, SN74HC240 features inverting outputs and different pin assignments for OE controls (shared active-low OE on Pin 1). SN74HC241DWRG4 uses separate 1OE (Pin 17) and 2OE (Pin 18) with noninverting outputs - requiring PCB layout revision for substitution.
What is the recommended bypass capacitor for SN74HC241DWRG4?
Texas Instruments recommends a 0.1-μF ceramic bypass capacitor placed as close as possible to the VCC (Pin 20) and GND (Pin 19) pins of SN74HC241DWRG4. This value is specified in Section 8 of the SCLS300E datasheet to suppress high-frequency supply noise and maintain stable logic thresholds during fast output transitions.
SN74HC241DWRG4 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:
- Discontinued at Digi-Key
- 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:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 20-SOIC
SN74HC241DWRG4 FAQ
1.How can I place an order for SN74HC241DWRG4 through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74HC241DWRG4 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 SN74HC241DWRG4 reliable?
The price and inventory of SN74HC241DWRG4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74HC241DWRG4 is usually 5 days.
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SN74HC241DWRG4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74HC241DWRG4 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 SN74HC241DWRG4?
For technical support, including SN74HC241DWRG4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74HC241DWRG4 requirements.
6.How does Aetrix verify that SN74HC241DWRG4 is sourced from the original manufacturer or authorized distributors?
All SN74HC241DWRG4 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 SN74HC241DWRG4 meets industry standards.
7.What is the process for return or replacement of SN74HC241DWRG4?
All SN74HC241DWRG4 units undergo pre-shipment inspection (PSI). If there is an issue with SN74HC241DWRG4, 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 SN74HC241DWRG4 part is unused and in its original packaging.
Return procedure for SN74HC241DWRG4:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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