Overview
The 74HC4351D is a high-speed Si-gate CMOS device that functions as an 8-channel analog multiplexer/demultiplexer with a latch. It is part of the 74HC/HCT family and is suitable for use in both analog and digital 8:1 multiplexer/demultiplexer applications. This component is manufactured by Nexperia, which was originally part of NXP Semiconductors.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HC4351D | - |
| Configuration | SP8T-Z | - |
| Supply Voltage (VCC) | 2.0 - 10.0 | V |
| Logic Switching Levels | CMOS | - |
| On Resistance (RON) | 200 (typical at VCC - VEE = 4.5 V) | Ω |
| On Resistance Flat (RON(FLAT)) | 20 | Ω |
| -3dB Bandwidth (f) | 180 | MHz |
| Total Harmonic Distortion (THD) | 0.02% | - |
| Operating Temperature Range (Tamb) | -40 to 125 | °C |
| Package | SO20 (SOT163-1) | - |
Key Features
- Single-pole octal-throw analog switch (SP8T) suitable for 8:1 multiplexer/demultiplexer applications.
- Three digital select inputs (S0 to S2) and two digital enable inputs (E1 and E2).
- Eight independent inputs/outputs (Yn) and a common input/output (Z).
- Latch enable input (LE) for latching data at the select inputs.
- Wide analog input voltage range from -5 V to +5 V.
- Complies with JEDEC standard no. 7A.
- Low ON resistance and very low power dissipation.
- Inputs include clamp diodes for interfacing with voltages in excess of VCC.
Applications
The 74HC4351D is versatile and can be used in various applications across different industries, including:
- Automotive systems for signal routing and switching.
- Industrial control systems for multiplexing and demultiplexing analog signals.
- Consumer electronics for audio and video signal switching.
- Mobile and wearable devices for efficient signal management.
- Computing and power management systems for high-speed signal switching.
Q & A
- What is the primary function of the 74HC4351D?
The 74HC4351D functions as an 8-channel analog multiplexer/demultiplexer with a latch.
- What is the supply voltage range for the 74HC4351D?
The supply voltage range is from 2.0 V to 10.0 V.
- What is the typical ON resistance of the 74HC4351D?
The typical ON resistance is 200 Ω at VCC - VEE = 4.5 V.
- What is the operating temperature range for the 74HC4351D?
The operating temperature range is from -40°C to 125°C.
- Does the 74HC4351D have any special features for input protection?
- What package type is the 74HC4351D available in?
The 74HC4351D is available in the SO20 (SOT163-1) package.
- What is the purpose of the latch enable input (LE) in the 74HC4351D?
The latch enable input (LE) allows the data at the select inputs to be latched.
- Is the 74HC4351D compliant with any industry standards?
- What are some common applications for the 74HC4351D?
- How many digital select inputs does the 74HC4351D have?
