FAIRCHILD semiconductor 74LCX02 Low Voltage Quad 2-Input NOR Gate with 5V Tolerant Inputs - Data Handbook
Summary
This quad-gate CMOS logic chip features four low-voltage, 2-input NOR gates designed for advanced digital circuit development. It offers exceptional operational flexibility with 5V tolerant inputs, making it ideal for interfacing systems across diverse voltage levels. The comprehensive manual details technical specifications, electrical characteristics (including timing and power consumption), absolute maximum ratings, and available packaging options (SOIC, SOP, TSSOP). This resource is essential for electronic engineers and hardware designers creating reliable, low-power logic circuits optimized for modern digital platforms.
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74L 02 L ltag e Q ad 2-In t N ate w ith 5V To leran t In ts
March 1995 Revised June 1999
74LCX02 Low Voltage Quad 2-Input NOR Gate with 5V Tolerant Inputs General Description Features The LCX02 contains four 2-input NOR gates. The inputs 5V tolerant inputs tolerate voltages up to 7V allowing the interface of 5V sys- 2.3V–3.6V VCC specification provided tems to 3V systems.
5.2 ns t PD max (VCC = 3.3V), 10 µA ICC max
The 74LCX02 is fabricated with advanced CMOS technol-
ogy to achieve high speed operation while maintaining Power down high impedance inputs and outputs CMOS low power dissipation. ±24 m A output drive (VCC = 3.0V) Implements patented noise/EMI reduction circuitry Latch-up performance exceeds 500 m A ESD performance: Human body model > 2000V Machine model > 200V
Ordering Code: Order Number Package Number Package Description 74LCX02M M14A 14-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-120, 0.150” Narrow 74LCX02SJ M14D 14-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74LCX02MTC MTC14 14-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbol Connection Diagram
IEEE/IEC
Pin Descriptions
Pin Names Description
An, Bn Inputs
On Outputs
© 1999 Fairchild Semiconductor Corporation ds012409.prf www.fairchildsemi.com
Page Summary Contents For FAIRCHILD semiconductor 74LCX02 Low Voltage Quad 2-Input NOR Gate with 5V Tolerant Inputs - Data Handbook
Manual Details
| Brand | Fairchild |
|---|---|
| Pages | 7 |
| File Size | 83.17 KB |
| Published | June 20, 2026 |
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Frequently Asked Questions
What voltage range does the 74LCX02 accommodate?
The recommended operating supply voltage falls between 2.0V and 3.6V.
Are unused inputs safe to leave floating?
No, the manual specifies that unused inputs must be held either HIGH or LOW; they may not float.
What is the IC's current output drive capability?
The device supports an output source/sink current of ±24 mA when operating at 3.0V.
Can this component be used in life support equipment?
No, its use in life support devices requires explicit written approval from Fairchild Semiconductor Corporation.