CD4043 Quad NOR R-S Latch Tri-State IC is a versatile and reliable CMOS logic device designed for temporary data storage, control logic, and signal latching applications. Featuring four independent R-S (Reset-Set) latches with tri-state outputs, this integrated circuit is ideal for digital systems requiring stable data retention, bus interfacing, and controlled output enabling.
Manufactured using CMOS technology, the CD4043 IC offers low power consumption, wide operating voltage range, and excellent noise immunity, making it suitable for both industrial and consumer electronics. Its tri-state output capability allows multiple devices to share a common bus without interference, providing greater flexibility in complex digital designs.
Whether used in microcontroller-based systems, memory circuits, control panels, or automation equipment, the CD4043 delivers dependable performance with minimal power requirements.
Key Features of CD4043 Quad NOR R-S Latch IC
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Quad R-S Latch Configuration
Integrates four independent NOR-based R-S latches within a single IC for compact circuit design. -
Tri-State Outputs
Each latch includes tri-state output control, allowing outputs to be enabled, disabled, or placed in high-impedance mode. -
CMOS Low Power Design
Extremely low static power consumption, ideal for battery-powered and energy-efficient applications. -
Wide Operating Voltage Range
Operates reliably across a broad voltage range, supporting both low-voltage and standard logic systems. -
High Noise Immunity
CMOS architecture ensures strong resistance to electrical noise and signal disturbances. -
Independent Output Enable Control
Provides precise control over each latch output without affecting stored data. -
Standard DIP-16 / SOIC Package
Available in commonly used packages for easy breadboarding, prototyping, and PCB integration.
Technical Specifications – CD4043
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IC Type: Quad NOR R-S Latch with Tri-State Output
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Logic Family: CMOS 4000 Series
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Number of Latches: 4
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Logic Function: R-S (Reset-Set) NOR Latch
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Output Type: Tri-state
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Supply Voltage (VDD): 3 V to 15 V
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Input Voltage Range: 0 to VDD
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Output Drive Capability: Standard CMOS output
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Propagation Delay: Typically 60 ns @ 10 V
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Operating Temperature Range: –55°C to +125°C
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Package Types: DIP-16, SOIC-16
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Pin Count: 16
Note: Electrical characteristics may vary slightly depending on manufacturer.
Applications of CD4043 Quad NOR R-S Latch IC
The CD4043 tri-state R-S latch IC is widely used in digital and embedded systems where controlled data storage and output isolation are required. Common applications include:
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Temporary Data Storage
Used as a basic memory element to hold logic states in digital circuits. -
Microcontroller & Processor Interfacing
Enables output latching and bus sharing in microcontroller-based designs. -
Control Logic Circuits
Ideal for start-stop control, enable-disable logic, and system state retention. -
Bus-Oriented Systems
Tri-state outputs allow safe connection to shared data buses without signal contention. -
Industrial Automation Equipment
Used in relay drivers, control panels, and programmable logic systems. -
Consumer Electronics
Applied in appliances, audio systems, and digital control modules. -
Educational & DIY Electronics Projects
Popular in learning environments for teaching digital logic, memory concepts, and latch operation.
Why Choose the CD4043 Quad NOR R-S Latch IC?
The CD4043 IC stands out for its reliability, flexibility, and low-power performance. With four independent latches and tri-state outputs, it simplifies circuit design while reducing component count. Its wide voltage compatibility and robust noise immunity make it suitable for diverse operating environments, from simple logic circuits to complex digital systems.
For engineers, hobbyists, and manufacturers looking for a dependable CMOS latch IC, the CD4043 offers an excellent balance of performance, efficiency, and ease of integration.
Upgrade your digital designs with the CD4043 Quad NOR R-S Latch Tri-State IC—a compact, efficient, and reliable solution for memory and control logic applications.
Package Includes:
1 x CD4043 Quad NOR R-S Latch Tri-state IC (DIP-16 Package)
FAQ
1. Where can we buy this CD4043 Quad NOR R-S Latch Tri-state IC?
This product is available online https://aiiottech.in/product/cd4043-quad-nor-r-s-latch-tri-state-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103
2. When can I get this CD4043 Quad NOR R-S Latch Tri-state IC after placing the order?
RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.
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