NL17SZ04DFT2G: Technical Guide to ON Semiconductor Single Inverter Gate

Introduction

The NL17SZ04DFT2G is a single inverter (NOT gate) manufactured by ON Semiconductor in ultra-compact SC-88A/SC-70-6 package, providing simple logic inversion functionality with low power consumption, wide voltage range (1.65V-5.5V), and tiny footprint ideal for portable electronics, smartphones, IoT devices, and space-constrained PCB designs.

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Technical Overview

Core Specifications

Parameter	Specification
Function	Single Inverter (NOT gate)
Logic Family	CMOS
Supply Voltage	1.65V to 5.5V
Propagation Delay	4.5 ns (typ @ 5V)
Output Drive	±24 mA
Package	SC-88A/SC-70-6
Operating Temp	-40°C to +125°C
Static Power	<1 μA

Part Number Decoder

NL17SZ04DFT2G:

• NL = ON Semiconductor logic family
• 17 = Single gate variant
• SZ = Ultra-small package series
• 04 = Inverter function (NOT gate)
• DFT2G = Package/tape-reel code

Key Features

Ultra-Compact Package:

• SC-88A/SC-70-6: 2.0mm × 1.25mm footprint
• 0.5mm pin pitch
• Surface mount only
• 70% smaller than SOT-23

Wide Voltage Range:

• 1.65V-5.5V operation
• Compatible with 1.8V, 3.3V, 5V systems
• No level translation needed within range

Low Power:

• Static current: <1 μA typical
• Dynamic power dependent on frequency
• Ideal for battery-powered devices

Fast Switching:

• 4.5 ns propagation delay @ 5V
• 7 ns @ 3.3V
• Suitable for moderate-speed applications

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Complete Specifications

Electrical Characteristics (VCC = 5V, TA = 25°C)

Parameter	Min	Typ	Max	Unit
Input High (VIH)	3.15	-	-	V
Input Low (VIL)	-	-	1.35	V
Output High (VOH)	4.4	-	-	V
Output Low (VOL)	-	-	0.33	V
Input Leakage	-	-	±0.1	μA
Quiescent Current	-	0.5	1.0	μA

Switching Characteristics

Parameter	Typ @ 5V	Typ @ 3.3V	Unit
tPHL (High to Low)	4.0	6.5	ns
tPLH (Low to High)	5.0	7.5	ns
Average tPD	4.5	7.0	ns

Package Dimensions (SC-88A)

Parameter	Value
Body Length	2.0 mm
Body Width	1.25 mm
Height	1.0 mm
Pin Pitch	0.5 mm
Pins	6 (Gate + NC)

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Applications

Signal Inversion

Basic Logic Functions:

Input (A) → NL17SZ04DFT2G → Output (Y)

Truth Table:
A  |  Y
0  |  1
1  |  0

Function: Y = NOT A (A̅)

Use Cases:

• Active-low to active-high conversion
• Signal polarity reversal
• LED drive inversion (on/off logic)

Level Shifting (within 1.65-5.5V)

Example: 3.3V to 5V Interface:

3.3V MCU GPIO → NL17SZ04DFT2G (VCC=5V) → 5V System

Input: 3.3V logic (0V/3.3V)
Output: 5V logic (0V/5V) inverted

Note: Inverts signal, so double inversion needed for non-inverted translation.

Clock Signal Conditioning

Applications:

• Clock buffer/inverter
• Anti-phase clock generation
• Duty cycle adjustment (with RC network)

Pull-up/Pull-down Driver

Driving External Devices:

• LED driver (±24 mA capable)
• Small MOSFET gate driver
• Relay driver (with transistor)

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Design Guidelines

Basic Inverter Circuit

VCC (1.65-5.5V)
    |
   [NL17SZ04DFT2G]
    |
Input ──► A    Y ──► Output
    |
   GND

Decoupling: 0.1μF ceramic capacitor
Location: VCC to GND, near IC

PCB Layout

Best Practices:

• Keep input traces short (<25mm for high-speed)
• Place decoupling capacitor within 5mm of VCC pin
• Use ground plane for low noise
• Minimize trace stubs on output

Footprint:

• SC-88A land pattern per JEDEC
• Solder mask: 0.05mm clearance
• Thermal relief on ground pin

Unused Inputs

Important: Never leave CMOS inputs floating

• Tie unused inputs to VCC or GND
• Prevents oscillation and excess current
• Use 10kΩ resistor if needed

Output Load

Drive Capability:

• ±24 mA output current (VCC = 5V)
• Suitable for driving:
  • 1-2 CMOS inputs (pF loads)
  • Single LED (with series resistor)
  • Small capacitive loads (<50pF)

Not suitable for:

• Heavy capacitive loads (>100pF)
• Multiple gate inputs (use buffer)
• Long PCB traces (>10cm)

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Alternatives & Selection

ON Semiconductor Family

Part	Gates	Package	tPD @ 5V	Use Case
NL17SZ04	1 Inverter	SC-88A	4.5 ns	Ultra-compact
NL17SZ05	1 Buffer	SC-88A	4.5 ns	Non-inverting
NC7SZ04	1 Inverter	SC-70-5	5.0 ns	Standard

Competitive Alternatives

Manufacturer	Part	Package	tPD
TI	SN74LVC1G04	SC-70-5	4.2 ns
NXP	74AHC1G04	SC-88A	4.5 ns
Toshiba	TC7SZ04	SC-88A	4.5 ns

NL17SZ04DFT2G Advantages:

• Competitive pricing
• Wide availability
• Industry-standard pinout
• Automotive-grade option available

Conclusion

The NL17SZ04DFT2G delivers reliable single-gate logic inversion in industry's smallest package (SC-88A: 2.0×1.25mm), combining ultra-low power (<1 μA static), wide voltage range (1.65-5.5V), and fast switching (4.5 ns) for space-constrained portable electronics, smartphones, wearables, and IoT applications requiring signal polarity reversal or basic logic functions.

Key Advantages:

✅ Ultra-Compact: SC-88A package 70% smaller than SOT-23
✅ Wide Voltage: 1.65-5.5V supports 1.8V/3.3V/5V systems
✅ Low Power: <1 μA quiescent current extends battery life
✅ Fast Switching: 4.5 ns propagation delay
✅ ±24 mA Drive: Suitable for LED drive and CMOS loads
✅ Industrial Temp: -40°C to +125°C operation

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Written by Jack Elliott from AIChipLink.

 

AIChipLink, one of the fastest-growing global independent electronic   components distributors in the world, offers millions of products from thousands of manufacturers, and many of our in-stock parts is available to ship same day.

 

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