Overview
The CD74HC4067SM96G4, produced by Texas Instruments, is a high-speed CMOS 16-channel analog multiplexer/demultiplexer. This device utilizes silicon-gate CMOS technology to achieve fast switching and propagation speeds, similar to LSTTL logic, while maintaining the low power consumption characteristic of standard CMOS logic ICs. It is available in a 24-pin SSOP package and operates over a wide temperature range of -55°C to 125°C, making it versatile for various applications.
Key Specifications
Parameter | Value | Conditions |
---|---|---|
Supply Voltage (VCC) | 2V to 6V (HC), 4.5V to 5.5V (HCT) | |
ON Resistance (RON) | 70Ω (typ) at VCC = 4.5V, 60Ω (typ) at VCC = 6V | |
Switching Time (tPHZ, tPLZ) | 290 ns (typ) at 25°C, 365 ns (typ) at -40°C to 85°C, 435 ns (typ) at -55°C to 125°C | CL = 50 pF |
Input Capacitance (CI) | 10 pF | At 25°C |
Power Dissipation Capacitance (CPD) | 93 pF | At 25°C |
Operating Temperature Range | -55°C to 125°C | |
Package Type | 24-pin SSOP |
Key Features
- Wide analog input voltage range
- Low ON resistance
- Fast switching and propagation speeds
- Break-before-make switching
- Available in both narrow and wide-body plastic packages
- Wide operating temperature range: -55°C to 125°C
- Balanced propagation delay and transition times
- Significant power reduction compared to LSTTL logic ICs
- High noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V (HC types)
- Direct LSTTL input logic compatibility (HCT types)
Applications
The CD74HC4067SM96G4 is suitable for a variety of applications where high-speed analog switching is required. These include:
- Analog signal routing and multiplexing
- Audio and video signal processing
- Medical and industrial instrumentation
- Automotive systems requiring high reliability and temperature stability
- Communication systems where fast and reliable analog switching is necessary
Q & A
- What is the primary function of the CD74HC4067SM96G4?
The CD74HC4067SM96G4 is a 16-channel analog multiplexer/demultiplexer, allowing for the selection of one of sixteen analog input signals to be connected to a single output. - What is the operating voltage range for the CD74HC4067SM96G4?
The operating voltage range is 2V to 6V for HC types and 4.5V to 5.5V for HCT types. - What is the typical ON resistance of the CD74HC4067SM96G4?
The typical ON resistance is 70Ω at VCC = 4.5V and 60Ω at VCC = 6V. - What is the switching time of the CD74HC4067SM96G4?
The switching time (tPHZ, tPLZ) is typically 290 ns at 25°C, 365 ns at -40°C to 85°C, and 435 ns at -55°C to 125°C. - What is the package type of the CD74HC4067SM96G4?
The package type is a 24-pin SSOP. - What is the operating temperature range of the CD74HC4067SM96G4?
The operating temperature range is -55°C to 125°C. - Does the CD74HC4067SM96G4 have high noise immunity?
Yes, it has high noise immunity with NIL = 30% and NIH = 30% of VCC at VCC = 5V for HC types. - Is the CD74HC4067SM96G4 compatible with LSTTL logic?
Yes, the HCT types are directly compatible with LSTTL input logic. - What are some common applications of the CD74HC4067SM96G4?
Common applications include analog signal routing, audio and video signal processing, medical and industrial instrumentation, automotive systems, and communication systems. - What is the significance of the 'break-before-make' switching feature?
The 'break-before-make' switching feature ensures that the old channel is disconnected before the new channel is connected, preventing cross-talk and ensuring clean switching.