onsemi NL27WZ07DTT1
- Part No.:
- NL27WZ07DTT1
- Manufacturer:
- onsemi
- Package:
- SOT-23-6 Thin, TSOT-23-6
- Datasheet:
-
NL27WZ07DTT1.pdf
- Description:
- IC BUFFER NON-INVERT 5.5V 6TSOP
- Quantity:
- Payment:

- Shipping:

Inventory:3,168
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Product details
Overview
NL27WZ07DTT1 from onsemi is a dual non-inverting buffer IC with open-drain outputs, designed for level-shifting and wired-OR logic applications in 1.65 V to 5.5 V systems. It delivers 2.1 ns typical propagation delay at 5 V, sinks up to 24 mA at 3.0 V, and features overvoltage-tolerant inputs/outputs up to 5.5 V - enabling interoperability across mixed-voltage domains in industrial I/O and sensor interface circuits.
For engineers reviewing the NL27WZ07DTT1 datasheet, pinout, applications, or equivalent options, key selection criteria include open-drain drive strength, input voltage tolerance beyond VCC, partial power-down (IOFF) support, and compatibility with SC-74 (SOT-26) packaging for space-constrained PCB layouts.
Technical Context
The NL27WZ07DTT1 implements two independent non-inverting buffer stages, each with an open-drain output requiring external pull-up for high-level assertion. Its IOFF circuitry actively isolates inputs and outputs during power-down (VCC = 0 V), preventing back-driving and current leakage between powered and unpowered subsystems.
Input thresholds scale with VCC (VIH = 0.70×VCC above 2.3 V; VIL = 0.30×VCC), ensuring reliable logic recognition across its full 1.65–5.5 V supply range. Output low voltage remains ≤0.42 V at IOL = 24 mA and VCC = 3.0 V, supporting robust noise margins in noisy industrial environments.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| VCC Range | 1.65 V to 5.5 V - enables direct interface with 1.8 V, 2.5 V, 3.3 V, and 5 V logic families without level translators. |
| tPD (Typ) | 2.1 ns at VCC = 5 V - supports high-speed signal buffering in timing-critical control paths. |
| IOL Max | 24 mA at VCC = 3.0 V - drives standard LED indicators, optocouplers, or MOSFET gates directly. |
| Input Tolerance | Up to 5.5 V regardless of VCC - allows safe connection to higher-voltage buses (e.g., 5 V I²C) while operating at 1.8 V. |
| IOFF Support | Active isolation when VCC = 0 V - prevents current flow between live and unpowered sections in hot-swap or modular systems. |
| Package | SC-74 (SOT-26) - 6-pin, 2.2 mm × 1.35 mm footprint ideal for compact industrial controllers and sensor nodes. |
| ESD Rating | HBM: 2000 V - provides baseline protection against handling-induced electrostatic discharge. |
Pinout & Package
Package: SC-74 (SOT-26), 6-pin, surface-mount, lead-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | A1 | Buffer 1 input - accepts 0–5.5 V logic signals independent of VCC. |
| 2 | A2 | Buffer 2 input - electrically isolated from A1; supports independent signal routing. |
| 3 | GND | Ground reference - must be connected to system common ground for proper operation and ESD path. |
| 4 | VCC | Positive supply - powers internal logic; sets VIH/VIL thresholds and output drive capability. |
| 5 | Y2 | Buffer 2 open-drain output - requires external pull-up resistor to define high state voltage and current limit. |
| 6 | Y1 | Buffer 1 open-drain output - independently configurable; supports wired-OR bus arbitration or LED sinking. |
Key Features
| Feature | Design Value |
|---|---|
| Wide VCC range | Operates from 1.65 V to 5.5 V - eliminates need for separate voltage regulators in multi-rail systems. |
| Overvoltage-tolerant I/O | Inputs and outputs withstand 5.5 V regardless of VCC - simplifies interconnection with legacy 5 V peripherals. |
| IOFF partial power-down | Blocks current flow at inputs/outputs when VCC = 0 V - essential for hot-plug and modular backplane designs. |
| Low propagation delay | 2.1 ns typical at 5 V - preserves signal integrity in high-frequency enable/control lines. |
| Small-footprint SC-74 package | 2.2 mm × 1.35 mm body size - saves board area in dense industrial and automotive ECUs. |
Applications
| Industrial Sensor Interface | I²C Bus Level Shifting |
|---|---|
Use Scenario: Connecting 3.3 V microcontroller GPIOs to 5 V analog sensor status outputs with open-drain signaling. IC Role / Device Role / Timing Role: Dual buffer provides isolated, voltage-tolerant signal conditioning and sink capability for fault-indicator lines. Use Value: Eliminates discrete level-shifters; IOFF prevents backfeed when MCU is powered down while sensors remain active. | Use Scenario: Translating SDA/SCL signals between 1.8 V host controller and 5 V EEPROM or temperature sensor on same I²C bus. IC Role / Device Role / Timing Role: Open-drain buffers act as bidirectional voltage translators with minimal propagation delay. Use Value: Maintains I²C timing compliance (tPD ≤ 2.1 ns) while supporting mixed-supply operation without external FETs. |
| LED Driver Interface | Hot-Swap Control Logic |
Use Scenario: Driving multiple status LEDs from a 2.5 V FPGA I/O bank where each LED requires 20 mA sink current. IC Role / Device Role / Timing Role: Y1/Y2 outputs sink up to 24 mA each at 3.0 V - directly drive LEDs with series resistors. Use Value: Reduces BOM count by replacing discrete transistor drivers; overvoltage tolerance protects FPGA pins from LED supply transients. | Use Scenario: Enabling/disabling power rails in modular telecom line cards where control logic must remain isolated during card insertion/removal. IC Role / Device Role / Timing Role: Buffers isolate hot-swap controller signals from backplane power domains using IOFF during VCC ramp-up/down. Use Value: Prevents latch-up and ground bounce during hot-plug events; ensures clean enable sequencing without additional isolation ICs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual open-drain buffer applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| SN74LVC2G07DBVR | Same SC-74 package, 32 mA IOL at 3.3 V, but only rated for 1.65–5.5 V with VIH/VIL fixed at 2.0 V/0.8 V thresholds - no VCC-scaled inputs. | Lacks overvoltage-tolerant I/O; unsuitable for interfacing to 5 V buses while operating at 1.8 V. | Select when higher sink current is required and all connected signals stay within VCC ±0.5 V. |
| 74LVC2G07GW,125 | SC-88 (5-pin) package, identical VCC scaling and 5.5 V I/O tolerance, but only one buffer channel - requires two devices for dual functionality. | Higher board area usage and increased assembly cost due to dual placement and extra passives. | Choose only if SC-88 footprint is mandated and single-channel use suffices. |
Compared with SN74LVC2G07DBVR and 74LVC2G07GW,125, the NL27WZ07DTT1 uniquely combines dual-channel open-drain buffering, VCC-scaled logic thresholds, 5.5 V I/O tolerance, and IOFF in a single SC-74 package - making it optimal for space-constrained, mixed-voltage industrial control nodes where signal integrity and power-domain isolation are critical.
Availability
NL27WZ07DTT1 is available at Aetrix Electronics and suitable for industrial sensor interfaces, I²C level-shifting, LED driver circuits, and hot-swap control logic requiring stable component supply across extended temperature ranges (−55 °C to +125 °C).
Supply support for NL27WZ07DTT1 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 power management, analog, logic, and sensing solutions for automotive, industrial, and cloud infrastructure markets.
The NL27WZ07DTT1 belongs to onsemi's NL27WZ ultra-low-power logic family, engineered for high-speed, low-voltage operation in space- and power-sensitive embedded control applications.
FAQ
What is the maximum sink current supported by NL27WZ07DTT1 at 3.0 V supply?
The NL27WZ07DTT1 sinks up to 24 mA per output (Y1 or Y2) at VCC = 3.0 V, with VOL ≤ 0.42 V under that load. This is verified in the DC Electrical Characteristics table (IOL = 24 mA condition). The device maintains this performance across its full operating temperature range (−55 °C to +125 °C), making NL27WZ07DTT1 suitable for driving LEDs, optocouplers, or logic inputs in harsh environments.
Does NL27WZ07DTT1 support level shifting between different supply voltages?
Yes, NL27WZ07DTT1 supports bidirectional level shifting via its overvoltage-tolerant inputs and open-drain outputs. Inputs accept 0–5.5 V regardless of VCC, and outputs can be pulled up to any voltage ≤5.5 V. For example, with VCC = 1.8 V, NL27WZ07DTT1 can safely translate a 5 V input signal to a 3.3 V bus - provided the external pull-up is set to the target voltage.
Is NL27WZ07DTT1 compatible with the SC-74 (SOT-26) footprint?
Yes, NL27WZ07DTT1 uses the SC-74 package (also known as SOT-26), with standardized 2.2 mm × 1.35 mm dimensions and 0.95 mm pitch. Pin 1 is marked with a dot or notch, and the pinout matches Figure 2 in the datasheet: A1, A2, GND, VCC, Y2, Y1 - confirming mechanical and layout compatibility with existing SC-74 land patterns.
How does the IOFF feature function in NL27WZ07DTT1 during power-down?
In NL27WZ07DTT1, the IOFF circuit automatically disables both input and output paths when VCC = 0 V, blocking current flow into or out of the device. This prevents back-driving of powered subsystems and eliminates leakage paths in partial-power-down configurations - a key requirement for hot-swap and modular system designs where NL27WZ07DTT1 may interface with live backplanes.
What is the typical propagation delay of NL27WZ07DTT1 at 5 V supply?
The typical propagation delay (tPD) of NL27WZ07DTT1 is 2.1 ns at VCC = 5 V, measured from input transition to output transition under loaded conditions (Figure 3 test setup). This value is specified in the AC Electrical Characteristics table and applies to both A1→Y1 and A2→Y2 paths, ensuring predictable timing in high-speed enable or strobe signal distribution using NL27WZ07DTT1.
NL27WZ07DTT1 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- 27WZ
- Package/Case:
- SOT-23-6 Thin, TSOT-23-6
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Logic Type:
- Buffer, Non-Inverting
- Number of Elements:
- 2
- Number of Bits per Element:
- 1
- Input Type:
- -
- Output Type:
- Open Drain
- Current - Output High, Low:
- -, 24mA
- Voltage - Supply:
- 1.65V ~ 5.5V
- Operating Temperature:
- -55°C ~ 125°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TSOP
NL27WZ07DTT1 FAQ
1.How can I place an order for NL27WZ07DTT1 through Aetrix?
Please submit a Request for Quotation (RFQ) for NL27WZ07DTT1 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 NL27WZ07DTT1 reliable?
The price and inventory of NL27WZ07DTT1 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NL27WZ07DTT1 is usually 5 days.
3.What payment methods are accepted for NL27WZ07DTT1?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NL27WZ07DTT1 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NL27WZ07DTT1?
NL27WZ07DTT1 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NL27WZ07DTT1 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 NL27WZ07DTT1?
For technical support, including NL27WZ07DTT1 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NL27WZ07DTT1 requirements.
6.How does Aetrix verify that NL27WZ07DTT1 is sourced from the original manufacturer or authorized distributors?
All NL27WZ07DTT1 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 NL27WZ07DTT1 meets industry standards.
7.What is the process for return or replacement of NL27WZ07DTT1?
All NL27WZ07DTT1 units undergo pre-shipment inspection (PSI). If there is an issue with NL27WZ07DTT1, 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 NL27WZ07DTT1 part is unused and in its original packaging.
Return procedure for NL27WZ07DTT1:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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