Overview
The CD74HC4066E, produced by Texas Instruments, is a high-speed CMOS logic quad bilateral switch. This device contains four independent digitally controlled analog switches that utilize silicon-gate CMOS technology. This technology allows the switches to achieve operating speeds similar to LSTTL while maintaining the low power consumption characteristic of standard CMOS integrated circuits. Each switch is controlled by a high-level voltage on its control input and features a linear ON resistance similar to the metal-gate CD4066B device.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | -0.5 | - | 10.5 | V |
| Analog Switch I/O Voltage (VIS) | 0 | - | VCC | V |
| Ambient Temperature (TA) | -55 | - | 125 | °C |
| ON Resistance (RON) at VCC = 4.5V | - | 25 | - | Ω |
| ON Resistance (RON) at VCC = 9V | - | 15 | - | Ω |
| Propagation Delay Time (tPHL, tPLH) at VCC = 4.5V | - | 12 | 18 | ns |
| Input Rise and Fall Times at VCC = 4.5V | - | - | 500 | ns |
| Quiescent Device Current (ICC) at VCC = 5V | - | 18.5 | 320 | µA |
Key Features
- Wide analog-input-voltage range: 0 V to 10 V
- Low ON resistance: 25 Ω at VCC = 4.5 V and 15 Ω at VCC = 9 V
- Fast switching and propagation delay times
- Low OFF leakage current
- Wide operating temperature range: -55°C to 125°C
- HC types: 2 V to 10 V operation, high noise immunity
- HCT types: Direct LSTTL input logic compatibility, CMOS input compatibility
Applications
- Analog signal switching and multiplexing: signal gating, modulators, squelch controls, demodulators, choppers, commutating switches
- Digital signal switching and multiplexing: Analog-to-digital and digital-to-analog conversions
- Digital control of frequency, impedance, phase, and analog-signal gain
- Building automation
Q & A
- What is the CD74HC4066E used for?
The CD74HC4066E is used for analog and digital signal switching and multiplexing, including applications such as signal gating, modulators, and digital control of analog signals.
- What is the operating temperature range of the CD74HC4066E?
The operating temperature range is -55°C to 125°C.
- What are the typical ON resistance values for the CD74HC4066E?
The typical ON resistance is 25 Ω at VCC = 4.5 V and 15 Ω at VCC = 9 V.
- What are the input voltage levels for the control inputs?
The high-level input voltage (VIH) is typically 3.15 V to 6.3 V, and the low-level input voltage (VIL) is typically 0.5 V to 2.7 V, depending on the VCC and temperature.
- What are the propagation delay times for the CD74HC4066E?
The propagation delay times (tPHL, tPLH) are typically 12 ns to 18 ns at VCC = 4.5 V.
- What is the quiescent device current for the CD74HC4066E?
The quiescent device current (ICC) is typically 18.5 µA to 320 µA at VCC = 5 V, depending on the temperature.
- What packages are available for the CD74HC4066E?
The device is available in PDIP, SOIC, and TSSOP packages.
- Is the CD74HC4066E compatible with LSTTL logic?
Yes, the HCT types of the CD74HC4066E are compatible with LSTTL input logic.
- What is the input rise and fall time for the CD74HC4066E?
The input rise and fall times are typically 500 ns at VCC = 4.5 V.
- What is the thermal resistance of the SOIC package?
The thermal resistance (θJA) for the SOIC package is typically 86°C/W.
