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Texas Instruments SN74AUP1G34DCKR
- Part No.:
- SN74AUP1G34DCKR
- Manufacturer:
- Texas Instruments
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
SN74AUP1G34DCKR.pdf
- Description:
- IC BUF NON-INVERT 3.6V SC70-5
- Quantity:
- Payment:
- Shipping:
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Product details
Overview
SN74AUP1G34DCKR from Texas Instruments is a single low-power CMOS buffer gate (Y = A) in SC70-5 package, operating from 0.8 V to 3.6 V supply. It delivers 4.1 ns max propagation delay at 3.3 V, 0.9 µA max ICC quiescent current, and 4.1 pF typical dynamic power dissipation capacitance - enabling ultra-low-power signal buffering in space-constrained portable electronics such as blood pressure monitors and CPAP machines.
For engineers reviewing the SN74AUP1G34DCKR datasheet, SN74AUP1G34DCKR pinout, SN74AUP1G34DCKR application, or SN74AUP1G34DCKR equivalent, key selection criteria include its Ioff-enabled live insertion capability, 0.8–3.6 V wide VCC range with 3.6-V I/O tolerance, input hysteresis (250 mV typ), and ultra-small 2.0 mm × 1.25 mm SC70 footprint for high-density PCB layouts.
Technical Context
This device belongs to TI's AUP (Advanced Ultra-Low-Power) logic family, optimized for battery-powered systems requiring sub-1 µA static current and robust noise immunity. Its input hysteresis (250 mV typ at 3.3 V) enables reliable switching with slow-rising signals and suppresses false triggering from board-level noise.
The SN74AUP1G34DCKR implements true CMOS output drive with balanced rise/fall characteristics, supports partial power-down via Ioff (preventing back-drive current when VCC = 0 V), and maintains full functionality across –40°C to +85°C ambient temperature - making it suitable for medical, industrial, and consumer edge devices where voltage translation and signal integrity are critical.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 0.8 V to 3.6 V - enables direct interfacing between 0.8-V microcontrollers and 3.3-V peripherals without level shifters. |
| tpd Max | 4.1 ns at 3.3 V, CL = 5 pF - ensures timing-critical signal buffering in high-speed digital interfaces. |
| ICC Max | 0.9 µA at TA = –40°C to 85°C - extends battery life in always-on wearable and portable health devices. |
| Cpd Typ | 4.1 pF at 3.3 V - minimizes dynamic power consumption during signal transitions in low-duty-cycle applications. |
| Ioff | 0.6 µA max at VCC = 0 V - allows safe hot-plug operation and prevents damage during system power sequencing. |
| Input Hysteresis | 250 mV typ at 3.3 V - improves noise margin on noisy PCB traces or long sensor lines without external filtering. |
| ESD Rating | ±2000 V HBM, ±1000 V CDM - meets industrial-grade ESD robustness requirements for field-deployed equipment. |
Pinout & Package
SN74AUP1G34DCKR uses the SC70-5 (DCK) package: 2.00 mm × 1.25 mm × 0.95 mm body, 0.65 mm pitch, 5-pin surface-mount configuration with exposed pad not present. Pin 1 is marked by dot; pin numbering follows standard SC70 counterclockwise layout.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | No Connect (NC) | Internally unconnected - must be left floating or tied to GND/VCC per layout best practice; no electrical function. |
| 2 | Input A | CMOS-compatible input with hysteresis; accepts 0–3.6 V regardless of VCC, enabling mixed-voltage signal routing. |
| 3 | GND | Ground reference for all internal circuitry; requires low-inductance connection to PCB ground plane. |
| 4 | Output Y | Push-pull CMOS output capable of sourcing/sinking ±4 mA at 3 V; 3.6-V tolerant even when VCC = 0.8 V. |
| 5 | VCC | Primary power supply pin; requires local 0.1 µF ceramic bypass capacitor placed within 2 mm of pin. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low static power | 0.9 µA max ICC enables multi-year battery operation in always-on clinical sensors and wearables. |
| Ioff partial power-down | Prevents back-current flow when VCC is off - essential for modular systems with hot-swap capability. |
| Input hysteresis | 250 mV typ improves noise rejection on long traces or unshielded sensor inputs without added RC filters. |
| 3.6-V I/O tolerance | Allows direct connection to 3.3-V buses while powered from 0.8–1.2 V microcontrollers - eliminates discrete level shifters. |
| SC70-5 footprint | 2.0 mm × 1.25 mm area saves >50% board space vs. SOT-23-5 - critical for compact medical handhelds and IoT nodes. |
Applications
| Medical Vital Sign Monitoring | Portable Diagnostic Imaging |
|---|---|
|
Use Scenario: Signal conditioning path in handheld blood pressure monitors and pulse oximeters where MCU I/O operates at 1.0–1.2 V but analog front-end outputs require 3.3-V logic levels. IC Role / Device Role / Timing Role: Level-translating buffer isolating low-voltage processor GPIO from higher-voltage peripheral interfaces while maintaining timing integrity. Use Value: Eliminates need for discrete MOSFET-based level shifters, reducing BOM count and layout complexity in Class II medical devices. |
Use Scenario: Clock/data buffering in portable DLP-based hyperspectral imaging modules used in point-of-care tissue analysis. IC Role / Device Role / Timing Role: Low-jitter, low-noise buffer driving ADC control lines and LED strobe timing signals under battery-constrained conditions. Use Value: 4.1 ns tpd and <10% overshoot/undershoot ensure clean edge delivery to precision timing circuits without added termination. |
| Wireless Sensor Node Interface | Industrial Field Transmitter Signal Conditioning |
|
Use Scenario: Interfacing ultra-low-power sub-GHz RF transceivers (e.g., CC1310) with 3.3-V sensor bridges and EEPROMs in battery-operated environmental monitors. IC Role / Device Role / Timing Role: Bidirectional voltage translator enabling communication between 1.8-V radio core and legacy 3.3-V sensor subsystems. Use Value: Ioff and 0.9 µA ICC allow RF SoC to enter deep sleep while sensor bus remains active - extending node lifetime to >5 years on coin cell. |
Use Scenario: Isolating and buffering analog-to-digital conversion control signals in 4–20 mA loop-powered temperature/pressure transmitters. IC Role / Device Role / Timing Role: Noise-immune buffer for SPI clock and chip-select lines operating in electrically noisy industrial environments. Use Value: Input hysteresis and 250 mV noise margin prevent spurious read/write errors caused by EMI coupling onto long sensor cables. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar buffer gate applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G34DCKR | Higher ICC (10 µA typ), wider VCC (1.65–5.5 V), no Ioff, no input hysteresis | Better suited for 5-V tolerant industrial control; lacks live-insertion support and noise immunity for portable medical use | Select when 5-V compatibility is required and ultra-low standby current is not critical. |
| 74AHC1G34SE-7 | Higher speed (2.5 ns tpd @ 5 V), 2–5.5 V VCC, no Ioff, no hysteresis, SOT-353 package (2.1 × 1.25 mm) | Optimized for high-speed industrial PLC I/O modules; incompatible with sub-1-V logic domains | Choose for 3.3/5-V systems needing faster propagation but accepting higher power and reduced noise margin. |
Compared with SN74LVC1G34DCKR and 74AHC1G34SE-7, the SN74AUP1G34DCKR uniquely combines sub-1-µA quiescent current, Ioff-enabled hot-swap, and input hysteresis - making it the only viable option for battery-powered medical and portable instrumentation requiring both ultra-low power and robust signal integrity.
Availability
SN74AUP1G34DCKR is available at Aetrix Electronics and suitable for medical monitoring, portable diagnostics, and industrial field transmitter applications requiring stable component supply, long-term lifecycle assurance, and RoHS-compliant sourcing.
Supply support for SN74AUP1G34DCKR 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 medical markets.
The SN74AUP1G34DCKR belongs to TI's Advanced Ultra-Low-Power (AUP) logic family, engineered specifically for battery-powered portable electronics demanding nanowatt-level static power, wide voltage scalability, and robust noise immunity in miniaturized form factors.
FAQ
What is the maximum operating temperature for SN74AUP1G34DCKR?
The SN74AUP1G34DCKR is rated for continuous operation from –40°C to +85°C ambient temperature. This range is validated per JEDEC JESD78 latch-up testing (exceeding 100 mA) and thermal characterization data in the official datasheet SCES603K. The device maintains full electrical specifications across this range, including 0.9 µA max ICC and 4.1 ns max tpd at 3.3 V.
Does SN74AUP1G34DCKR support level shifting between different supply voltages?
Yes, SN74AUP1G34DCKR supports bidirectional level translation: its inputs tolerate up to 3.6 V regardless of VCC (which can be as low as 0.8 V), and its outputs swing rail-to-rail between GND and VCC. This enables interfacing a 0.8-V microcontroller with a 3.3-V sensor bus without external components - confirmed by TI's "down-translation" specification and I/O tolerance test data in Section 7.1 and 7.3 of SCES603K.
Is SN74AUP1G34DCKR compatible with hot-swap or live-insertion systems?
Yes, SN74AUP1G34DCKR supports live insertion via its Ioff feature: when VCC = 0 V, input and output leakage remains ≤0.6 µA, preventing damaging back-current flow through powered downstream circuitry. This behavior is tested per JESD78 Class II latch-up standards and explicitly documented in Section 9.3 and Table 1 of the SCES603K datasheet.
What is the recommended bypass capacitor for SN74AUP1G34DCKR?
Texas Instruments recommends a 0.1 µF ceramic capacitor placed within 2 mm of the VCC pin (Pin 5) and GND (Pin 3) for SN74AUP1G34DCKR. This value is specified in Section 11 ("Power Supply Recommendations") of SCES603K and validated for noise suppression across the 0.8–3.6 V operating range. For multi-rail systems, additional 0.01–0.022 µF capacitors may be added in parallel.
Can unused input pins on SN74AUP1G34DCKR be left floating?
No - the unused NC pin (Pin 1) on SN74AUP1G34DCKR must not be left floating. Although internally unconnected, TI's layout guidelines (Section 12.1 of SCES603K) require all unused pins to be tied to GND or VCC to prevent parasitic coupling and potential EMI issues. Floating NC pins may induce unpredictable noise susceptibility in high-density PCBs.
SN74AUP1G34DCKR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- 74AUP
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- Push-Pull
- 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:
- SC-70-5
SN74AUP1G34DCKR FAQ
1.How can I place an order for SN74AUP1G34DCKR through Aetrix?
Please submit a Request for Quotation (RFQ) for SN74AUP1G34DCKR 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 SN74AUP1G34DCKR reliable?
The price and inventory of SN74AUP1G34DCKR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SN74AUP1G34DCKR is usually 5 days.
3.What payment methods are accepted for SN74AUP1G34DCKR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SN74AUP1G34DCKR transactions.
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4.How is shipping managed for SN74AUP1G34DCKR?
SN74AUP1G34DCKR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your SN74AUP1G34DCKR 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 SN74AUP1G34DCKR?
For technical support, including SN74AUP1G34DCKR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SN74AUP1G34DCKR requirements.
6.How does Aetrix verify that SN74AUP1G34DCKR is sourced from the original manufacturer or authorized distributors?
All SN74AUP1G34DCKR 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 SN74AUP1G34DCKR meets industry standards.
7.What is the process for return or replacement of SN74AUP1G34DCKR?
All SN74AUP1G34DCKR units undergo pre-shipment inspection (PSI). If there is an issue with SN74AUP1G34DCKR, 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 SN74AUP1G34DCKR part is unused and in its original packaging.
Return procedure for SN74AUP1G34DCKR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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