onsemi NL17SZ125DFT2G-F22038
- Part No.:
- NL17SZ125DFT2G-F22038
- Manufacturer:
- onsemi
- Package:
- 5-TSSOP, SC-70-5, SOT-353
- Datasheet:
-
NL17SZ125DFT2G-F22038.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V SC88A
- Quantity:
- Payment:

- Shipping:

Inventory:5,121
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Product details
Overview
NL17SZ125DFT2G-F22038 from onsemi is a single non-inverting 3-state buffer IC designed for level translation and bus isolation in low-voltage digital systems. It operates from 1.65 V to 5.5 V, delivers 2.3 ns propagation delay at 5 V, supports ±24 mA drive at 3.0 V, tolerates input/output voltages up to 5.5 V independent of VCC, and features IOFF partial power-down protection. It is used in portable instrumentation data paths.
For engineers reviewing the NL17SZ125DFT2G-F22038 datasheet, pinout, applications, or equivalent options, key selection criteria include VCC range compatibility, 3-state enable timing (tPZH/tPHZ ≤ 5.8 ns), overvoltage-tolerant I/O for mixed-supply interfacing, and SC-88A package thermal resistance (377°C/W) for space-constrained PCBs.
Technical Context
The NL17SZ125DFT2G-F22038 implements a CMOS-based non-inverting buffer with active-low 3-state output control (OE). Its IOFF circuitry blocks current flow when VCC = 0 V, enabling safe hot insertion into live backplanes. Input thresholds scale with VCC (VIH = 0.7×VCC min above 2.3 V), ensuring robust logic-level compatibility across supply voltages.
Propagation delay varies with VCC and load: 4.5–4.8 ns at 5 V (RL = 1 MΩ, CL = 15 pF), 5.0–5.3 ns under heavier 500 Ω/50 pF conditions. Output enable/disable times are asymmetric-tPZH (OE↑ to Y valid) is slower than tPHZ (OE↓ to high-Z), critical for bus arbitration timing margins.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 5.5 V - enables direct interface between 1.8 V, 2.5 V, 3.3 V, and 5 V logic domains without level shifters |
| tPD (Typ) | 2.3 ns at VCC = 5 V - supports >200 MHz data rates in short trace applications |
| I/O Voltage Tolerance | Up to 5.5 V - allows inputs/outputs to safely exceed VCC, simplifying mixed-voltage board design |
| IOFF Current | ≤10 µA at VCC = 0 V - prevents back-driving powered sections during partial power-down |
| Output Drive | ±24 mA at VCC = 3.0 V - sufficient to drive 10 LVTTL loads or terminate short stubs |
| Input Capacitance | 2.5 pF - minimizes capacitive loading on upstream drivers and preserves signal edge rate |
| Thermal Resistance (θJA) | 377°C/W (SC-88A) - defines maximum power dissipation (332 mW) before junction exceeds 150°C |
Pinout & Package
Package: SC-88A (Case 419A-02), 5-pin surface-mount, 2.00 × 1.25 × 0.95 mm, Pb-free, RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OE) | Active-Low Output Enable | Drives Y high-impedance when high; asserts buffer function when low - critical for bus contention avoidance |
| 2 (A) | Non-Inverting Data Input | Accepts 1.65–5.5 V logic signals; VIH/VIL scale with VCC for voltage-domain interoperability |
| 3 (GND) | Ground Reference | Return path for all internal currents; must be low-impedance to maintain noise margin and switching integrity |
| 4 (Y) | Buffered Non-Inverting Output | Delivers rail-to-rail CMOS output; supports 3-state operation with <5.8 ns disable time to prevent bus glitches |
| 5 (VCC) | Positive Supply | Power source for internal logic; IOFF protection remains active even when VCC = 0 V |
Key Features
| Feature | Design Value |
|---|---|
| Wide VCC Operation | 1.65 V to 5.5 V - eliminates need for separate voltage translators in multi-rail systems |
| Overvoltage-Tolerant I/O | Inputs/outputs withstand 5.5 V regardless of VCC - enables safe connection to higher-voltage peripherals |
| IOFF Partial Power-Down | Blocks I/O leakage <10 µA when VCC = 0 V - essential for hot-swap and battery-backed subsystems |
| Low Propagation Delay | 2.3 ns typical at 5 V - maintains timing budget in high-speed control loops and data capture paths |
| Small Footprint | SC-88A package (2.0 × 1.25 mm) - saves board area in wearables, sensor nodes, and compact modules |
Applications
| Industrial Sensor Interface | Portable Medical Device Data Path |
|---|---|
Use Scenario: Isolating analog-to-digital converter (ADC) output lines from a microcontroller's SPI bus during standby mode. IC Role / Device Role / Timing Role: 3-state buffer isolates ADC data lines; OE controlled by MCU GPIO to gate data flow only during active read cycles. Use Value: Prevents bus contention and reduces system standby current by blocking leakage through unpowered ADC outputs via IOFF. | Use Scenario: Level-shifting ECG front-end sensor signals between a 1.8 V ASIC and a 3.3 V Bluetooth transceiver. IC Role / Device Role / Timing Role: Non-inverting buffer translates logic levels while maintaining signal polarity and timing integrity across voltage domains. Use Value: Eliminates external level shifters; overvoltage tolerance allows 3.3 V transceiver outputs to safely drive 1.8 V ASIC inputs without clamping diodes. |
| Automotive Body Control Module | Test Equipment Digital I/O Expansion |
Use Scenario: Enabling/disabling CAN transceiver control lines during sleep/wake transitions in a LIN gateway node. IC Role / Device Role / Timing Role: Buffer gates microcontroller GPIOs to CAN controller pins; OE synchronized with wake-up interrupt to avoid spurious bus activity. Use Value: Ensures clean bus entry/exit; IOFF prevents back-powering of MCU I/O during deep sleep, meeting ISO 11898-2 quiescent current requirements. | Use Scenario: Adding isolated digital I/O channels to an automated test fixture using FPGA-controlled parallel buses. IC Role / Device Role / Timing Role: Parallel array of NL17SZ125DFT2G-F22038 buffers drives DUT control lines; OE lines daisy-chained for group enable/disable. Use Value: Provides 24 mA drive per channel to sink/source LED indicators or relay coils; SC-88A footprint allows dense channel packing on test head PCBs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar non-inverting 3-state buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC1G125DBVR | Same SC-70-5 (SC-88A) package; 3.6 ns tPD at 3.3 V; IOFF not specified | Lacks guaranteed IOFF behavior - unsuitable for partial power-down scenarios requiring zero leakage | Select when lower cost is prioritized and full power-down isolation is not required |
| 74LVC1G125GW,125 | SC-70-5 package; 3.2 ns tPD at 3.3 V; IOFF supported but max VIO = VCC + 0.3 V | Lower overvoltage tolerance (5.2 V max) - limits use with 5 V peripherals in mixed-supply systems | Select for industrial control where 5 V I/O margin is sufficient and AEC-Q100 qualification is unnecessary |
Compared with SN74LVC1G125DBVR and 74LVC1G125GW,125, the NL17SZ125DFT2G-F22038 provides superior overvoltage tolerance (5.5 V), guaranteed IOFF down to 0 V VCC, and faster propagation delay (2.3 ns vs ≥3.2 ns), making it optimal for battery-powered, hot-pluggable, or automotive-grade designs demanding robust mixed-voltage interoperability.
Availability
NL17SZ125DFT2G-F22038 is available at Aetrix Electronics and suitable for industrial sensor interfaces, portable medical device data paths, automotive body control modules, test equipment digital I/O expansion, and compact embedded control systems requiring stable component supply across extended temperature ranges (−55°C to +125°C).
Supply support for NL17SZ125DFT2G-F22038 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
onsemi (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications.
The NL17SZ125DFT2G-F22038 belongs to the NL17SZ logic family, engineered for ultra-low-power, high-speed signal buffering in space-constrained, multi-voltage embedded systems with stringent reliability requirements.
FAQ
What is the maximum operating temperature range for the NL17SZ125DFT2G-F22038?
The NL17SZ125DFT2G-F22038 is rated for operation from −55°C to +125°C, meeting extended industrial and automotive under-hood requirements. This range is validated per the Recommended Operating Conditions table in the official datasheet, with thermal derating applied above 85°C ambient based on its SC-88A θJA of 377°C/W.
Does the NL17SZ125DFT2G-F22038 support partial power-down protection?
Yes, the NL17SZ125DFT2G-F22038 includes IOFF circuitry that actively blocks current flow through inputs and outputs when VCC = 0 V, limiting leakage to ≤10 µA. This feature is explicitly documented in the Features section and DC Electrical Characteristics table, enabling safe operation in hot-swap and battery-backup configurations.
What is the propagation delay of the NL17SZ125DFT2G-F22038 at 3.3 V supply?
At VCC = 3.3 V, the NL17SZ125DFT2G-F22038 exhibits a typical propagation delay (tPLH/tPHL) of 2.5 ns under RL = 1 MΩ and CL = 15 pF conditions, with a maximum of 5.5 ns across the full temperature range (−55°C to +125°C), as specified in the AC Electrical Characteristics table.
Which package does the NL17SZ125DFT2G-F22038 use, and what are its dimensions?
The NL17SZ125DFT2G-F22038 uses the SC-88A (also known as SC-70-5 or SOT-353) package, measuring 2.00 mm × 1.25 mm × 0.95 mm with 0.65 mm pin pitch. This information is confirmed in the Device Ordering Information table and Mechanical Case Outline diagrams on pages 7–8 of the datasheet.
Is the NL17SZ125DFT2G-F22038 AEC-Q100 qualified?
No, the NL17SZ125DFT2G-F22038 is not AEC-Q100 qualified. The standard NL17SZ125 series carries no automotive qualification; only variants with the "-Q" suffix (e.g., NL17SZ125DFT2G-Q) are AEC-Q100 qualified and PPAP capable, as stated in the Features and Ordering Information sections.
NL17SZ125DFT2G-F22038 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 17SZ
- Package/Case:
- 5-TSSOP, SC-70-5, SOT-353
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 1
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- 3-State
- Current - Output High, Low:
- 32mA, 32mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-88A (SC-70-5/SOT-353)
NL17SZ125DFT2G-F22038 FAQ
1.How can I place an order for NL17SZ125DFT2G-F22038 through Aetrix?
Please submit a Request for Quotation (RFQ) for NL17SZ125DFT2G-F22038 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 NL17SZ125DFT2G-F22038 reliable?
The price and inventory of NL17SZ125DFT2G-F22038 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NL17SZ125DFT2G-F22038 is usually 5 days.
3.What payment methods are accepted for NL17SZ125DFT2G-F22038?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NL17SZ125DFT2G-F22038 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NL17SZ125DFT2G-F22038?
NL17SZ125DFT2G-F22038 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NL17SZ125DFT2G-F22038 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 NL17SZ125DFT2G-F22038?
For technical support, including NL17SZ125DFT2G-F22038 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NL17SZ125DFT2G-F22038 requirements.
6.How does Aetrix verify that NL17SZ125DFT2G-F22038 is sourced from the original manufacturer or authorized distributors?
All NL17SZ125DFT2G-F22038 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 NL17SZ125DFT2G-F22038 meets industry standards.
7.What is the process for return or replacement of NL17SZ125DFT2G-F22038?
All NL17SZ125DFT2G-F22038 units undergo pre-shipment inspection (PSI). If there is an issue with NL17SZ125DFT2G-F22038, 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 NL17SZ125DFT2G-F22038 part is unused and in its original packaging.
Return procedure for NL17SZ125DFT2G-F22038:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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