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Texas Instruments SN74AUP1G240DSFR
- Part No.:
- SN74AUP1G240DSFR
- Manufacturer:
- Texas Instruments
- Package:
- 6-XFDFN
- Datasheet:
-
SN74AUP1G240DSFR.pdf
- Description:
- IC BUFFER INVERT 3.6V 6SON
- Quantity:
- Payment:
- Shipping:
Inventory:1,569
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Product details
Overview
SN74AUP1G240 from Texas Instruments is a low-power single inverter with 3-state output, designed for voltage-level translation and bus isolation in portable electronics. It operates across 0.8 V to 3.6 V, delivers 4.7 ns max propagation delay at 3.3 V, consumes ≤0.9 µA ICC, and supports Ioff partial power-down mode - enabling use in battery-powered medical sensors and industrial I/O modules.
For engineers reviewing the SN74AUP1G240 datasheet, SN74AUP1G240 pinout, SN74AUP1G240 application, or SN74AUP1G240 equivalent, key selection criteria include its 3-state active-low OE control, 1.5 pF input capacitance, 3.6-V I/O tolerance, wide VCC range, and NanoStar™ SON-6 package footprint (1.00 mm × 1.00 mm) for space-constrained PCBs.
Technical Context
The SN74AUP1G240 implements a single inverting buffer with active-low 3-state output enable (OE), performing Y = A̅. Its Ioff circuitry ensures high-impedance inputs/outputs during power-down, preventing back-current flow. Input hysteresis improves noise immunity for slow-rising signals.
It features balanced CMOS push-pull outputs capable of ±20 mA drive, 3.6-V tolerant I/O for mixed-voltage interfacing, and ultra-low dynamic power (Cpd = 4.2 pF typical at 3.3 V). The device is specified for –40°C to +85°C operation and supports CL loads up to 30 pF.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 0.8 V to 3.6 V - enables direct interface between 0.8-V microcontrollers and 3.3-V peripherals without level shifters. |
| tpd Max | 4.7 ns at 3.3 V - ensures timing-critical signal inversion in high-speed digital control paths. |
| ICC Max | 0.9 µA - extends battery life in always-on sensor nodes and wearable health monitors. |
| Ioff Max | 0.6 µA at –40°C to +85°C - guarantees safe isolation during partial power-down in multi-rail systems. |
| CI Typ | 1.5 pF - minimizes capacitive loading on high-impedance source lines like ADC references or clock distribution nets. |
| IO Drive | ±20 mA - supports driving moderate capacitive loads (e.g., 10-cm PCB traces + 5-pF receiver) without external buffers. |
| ESD HBM | 2000 V - meets industrial handling requirements per JESD22-A114-B Class II. |
Pinout & Package
SN74AUP1G240DSFR uses the 6-pin SON package (1.00 mm × 1.00 mm, 0.5-mm pitch), optimized for ultra-compact layouts in portable and IoT devices.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - OE | Active-low output enable input | Drives output Y to high-impedance when logic high; must be pulled up to VCC during power sequencing to avoid floating state. |
| 2 - A | Inverter input | Accepts 0.8–3.6 V logic levels; supports floating when OE = high due to input-disable feature. |
| 3 - GND | Ground reference | Primary return path for all internal logic and output current; requires low-inductance connection to system ground plane. |
| 4 - Y | Inverted 3-state output | Delivers A̅ when OE = low; enters high-Z when OE = high - enables bidirectional bus sharing and load isolation. |
| 5 - NC | No internal connection | Unbonded pad; must remain unconnected and unstubbed to prevent parasitic coupling or solder bridging. |
| 6 - VCC | Positive supply | Supplies core logic and output drivers; requires local 100-nF ceramic decoupling placed within 2 mm of this pin. |
Key Features
| Feature | Design Value |
|---|---|
| Input-disable capability | Allows A input to float safely when OE = high - eliminates need for pull-up/down resistors in standby mode. |
| Ioff partial power-down | Blocks current flow into/out of I/O pins at 0-V VCC - prevents damage when interfacing powered and unpowered subsystems. |
| 3.6-V I/O tolerance | Permits direct connection to 3.3-V buses while operating from 1.2-V or 1.8-V rails - simplifies voltage translation in mixed-supply SoC interfaces. |
| Low noise design | Overshoot/undershoot <10% of VCC - reduces EMI and eliminates need for series termination in point-to-point routing. |
| NanoStar™ packaging | Die-as-package construction achieves 1.00 mm × 1.00 mm footprint - saves >60% board area vs. SOT-23-5. |
Applications
| Medical Sensor Interface | Industrial I/O Module |
|---|---|
Use Scenario: Isolating low-power analog front-end signals from a 3.3-V microcontroller bus in a portable ECG monitor. IC Role / Device Role / Timing Role: Inverter with 3-state output acts as a controlled signal gate, enabling/disabling sensor data transmission only during active read cycles. Use Value: 0.9 µA ICC and Ioff support >5-year battery life; 1.5 pF CI avoids loading sensitive op-amp outputs. | Use Scenario: Level-shifting and bus contention control between a 1.2-V FPGA I/O bank and legacy 3.3-V PLC communication interface. IC Role / Device Role / Timing Role: Voltage-tolerant inverter provides bidirectional signal conditioning with active-low OE for precise timing-controlled bus arbitration. Use Value: 3.6-V I/O tolerance eliminates external level shifters; 4.7 ns tpd meets 10-MHz SPI timing budgets. |
| Wearable Fitness Tracker | Smart Grid Sensor Node |
Use Scenario: Enabling/disabling accelerometer interrupt lines routed to an ultra-low-power ARM Cortex-M0+ core. IC Role / Device Role / Timing Role: 3-state inverter serves as programmable interrupt isolator, preventing spurious wakeups during sleep mode. Use Value: Input hysteresis rejects noise on long flex-cable traces; Ioff blocks leakage when MCU is in deep-sleep (VCC = 0 V). | Use Scenario: Isolating fault-reporting signals from isolated power monitoring ICs in a DIN-rail mounted energy meter. IC Role / Device Role / Timing Role: Inverter with robust ESD (2000-V HBM) buffers critical status flags before feeding into a 2.5-V logic supervisor. Use Value: Wide –40°C to +85°C rating ensures reliability in outdoor enclosures; 0.8-V min VCC supports brownout operation during grid sags. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar inverter-with-3-state-output applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G240DBVR | Higher ICC (10 µA typ), 1.65–5.5 V VCC range, SOT-23-5 package (1.6 × 2.9 mm) | Better suited for 5-V legacy systems; lacks Ioff and sub-1-V operation | Select when interfacing with 5-V peripherals and board space permits larger package. |
| NC7SZ240P5X | Lower drive (±8 mA), 1.65–5.5 V VCC, SC70-5 package (1.25 × 2.0 mm), no Ioff | Cost-optimized for non-power-sensitive consumer apps; no partial power-down support | Choose for cost-driven, single-supply 3.3-V designs where Ioff is not required. |
Compared with SN74LVC1G240DBVR and NC7SZ240P5X, SN74AUP1G240DSFR uniquely combines sub-1-V operation, Ioff protection, and NanoStar™ footprint - making it the only option for space-constrained, battery-operated systems requiring robust partial-power-down behavior.
Availability
SN74AUP1G240DSFR is available at Aetrix Electronics and suitable for medical sensor interfaces, industrial I/O modules, and wearable fitness trackers requiring stable component supply, long-term lifecycle support, and guaranteed traceable sourcing.
Supply support for SN74AUP1G240DSFR 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 personal electronics markets.
The AUP family - including SN74AUP1G240DSFR - was engineered specifically for ultra-low-power, wide-VCC battery-operated applications such as portable medical devices, wearables, and energy-harvesting sensor nodes.
FAQ
What is the function of the OE pin on the SN74AUP1G240DSFR?
The OE (Output Enable) pin on the SN74AUP1G240DSFR is an active-low control input that places the Y output into a high-impedance state when driven high. When OE is low, the device performs Y = A̅. To ensure reliable high-Z behavior during power-up/power-down, OE must be tied to VCC via a pullup resistor - minimum value determined by the driver's sink capability. This behavior is explicitly defined in the SN74AUP1G240DSFR function table and timing diagrams.
Does the SN74AUP1G240DSFR support operation below 1.0 V?
Yes, the SN74AUP1G240DSFR is fully specified for operation from 0.8 V to 3.6 V VCC, including functional performance at 0.8 V. Electrical characteristics such as tpd, VOH/VOL, and ICC are guaranteed across this full range per TI's SCES627D datasheet Section 6.3. This makes SN74AUP1G240DSFR suitable for direct interfacing with sub-1-V processors and energy-harvesting power supplies.
How does the Ioff feature protect the SN74AUP1G240DSFR during partial power-down?
The Ioff feature in the SN74AUP1G240DSFR disables all I/O paths when VCC = 0 V, limiting leakage current to ≤0.6 µA over temperature. This prevents back-current flow from live system buses into the unpowered device - protecting both SN74AUP1G240DSFR and connected components. The specification is verified per JEDEC JESD78 Class II latch-up testing and appears in the Electrical Characteristics table (Section 6.5) of the official datasheet.
Can the A input of the SN74AUP1G240DSFR be left floating?
Yes - the SN74AUP1G240DSFR includes an input-disable feature that allows the A input to float safely when OE is high (output disabled). This is explicitly stated in the "Features" section and "Description" of the datasheet. However, when OE is low (output enabled), A must be driven to a valid logic level (VIL or VIH) to ensure correct Y = A̅ operation and avoid undefined states.
What is the maximum capacitive load the SN74AUP1G240DSFR can drive while maintaining 4.7 ns tpd?
The 4.7 ns maximum propagation delay for the SN74AUP1G240DSFR is specified at VCC = 3.3 V, TA = –40°C to +85°C, and CL = 5 pF (Section 6.6). At higher loads - e.g., CL = 10 pF - tpd increases to 5.2 ns max; at CL = 30 pF, it rises to 7.8 ns max. Therefore, to maintain ≤4.7 ns tpd, the total load (including trace capacitance and receiver input) must not exceed 5 pF - typical for short, direct point-to-point connections.
SN74AUP1G240DSFR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AUP
- Package/Case:
- 6-XFDFN
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 4mA, 4mA
- Voltage - Supply:
- 0.8V ~ 3.6V
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-SON (1x1)
SN74AUP1G240DSFR FAQ
1.How can I place an order for SN74AUP1G240DSFR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AUP1G240DSFR 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 SN74AUP1G240DSFR reliable?
The price and inventory of SN74AUP1G240DSFR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AUP1G240DSFR is usually 5 days.
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SN74AUP1G240DSFR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74AUP1G240DSFR 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 SN74AUP1G240DSFR?
For technical support, including SN74AUP1G240DSFR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AUP1G240DSFR requirements.
6.How does Aetrix verify that SN74AUP1G240DSFR is sourced from the original manufacturer or authorized distributors?
All SN74AUP1G240DSFR 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 SN74AUP1G240DSFR meets industry standards.
7.What is the process for return or replacement of SN74AUP1G240DSFR?
All SN74AUP1G240DSFR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AUP1G240DSFR, 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 SN74AUP1G240DSFR part is unused and in its original packaging.
Return procedure for SN74AUP1G240DSFR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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