Overview
The CD74HCT4067-Q1 is a high-speed CMOS logic 16-channel analog multiplexer and demultiplexer produced by Texas Instruments. This device utilizes silicon-gate CMOS technology to achieve operating speeds similar to LSTTL (Low-power Schottky Transistor-Transistor Logic) with the low power consumption of standard CMOS integrated circuits. It is designed to control analog voltages that may vary across the voltage supply range and features a bidirectional switch, allowing any analog input to be used as an output and vice versa. The device includes an enable control that disables all switches to their off state when high.
Key Specifications
| Parameter | Condition | Unit | Min | Typ | Max |
|---|---|---|---|---|---|
| Supply Voltage Range | V | -0.5 | 7 | ||
| Input Clamp Current | VI < -0.5 V or VI > VCC + 0.5 V | mA | ±20 | ||
| Output Clamp Current | VO < -0.5 V or VO > VCC + 0.5 V | mA | ±20 | ||
| Switch Current | VO > -0.5 V or VO < VCC + 0.5 V | mA | ±25 | ||
| Maximum Junction Temperature | °C | 150 | |||
| Storage Temperature Range | °C | -65 | 150 | ||
| ON Resistance | IO = 1 mA, VCC = 4.5 V | Ω | 70 | 160 | 200 |
| Propagation Delay | VCC = 4.5 V | ns | 6 | ||
| ESD Rating (HBM) | AEC-Q100 classification level H1A | V | 400 | ||
| ESD Rating (CDM) | AEC-Q100 classification level C2 | V | 250 |
Key Features
- Qualified for Automotive Applications with AEC-Q100 compliance.
- Wide analog input voltage range.
- Low ON resistance (70 Ω typical at VCC = 4.5 V).
- Fast switching and propagation speeds (6 ns typical at VCC = 4.5 V).
- Break-Before-Make switching.
- Fanout capability: Standard outputs support 10 LSTTL loads, and bus driver outputs support 15 LSTTL loads.
- Balanced propagation delay and transition times.
- Significant power reduction compared to LSTTL logic ICs.
- Operation within 4.5-V to 5.5-V range.
- Direct LSTTL input logic compatibility.
- CMOS input compatibility.
Applications
- Automotive systems.
- Analog switches.
- Analog multiplexers and demultiplexers.
Q & A
- What is the CD74HCT4067-Q1 used for? The CD74HCT4067-Q1 is used as a 16-channel analog multiplexer and demultiplexer, controlling analog voltages across the supply range.
- What is the operating temperature range of the CD74HCT4067-Q1? The device operates within a temperature range of -40°C to 125°C.
- What is the typical ON resistance of the CD74HCT4067-Q1? The typical ON resistance is 70 Ω at VCC = 4.5 V.
- What is the propagation delay of the CD74HCT4067-Q1? The propagation delay is typically 6 ns at VCC = 4.5 V.
- Is the CD74HCT4067-Q1 qualified for automotive applications? Yes, it is qualified for automotive applications and complies with AEC-Q100 standards.
- What is the ESD rating of the CD74HCT4067-Q1? The device has an ESD rating of 400 V (HBM) and 250 V (CDM).
- What is the supply voltage range for the CD74HCT4067-Q1? The supply voltage range is from 4.5 V to 5.5 V.
- Does the CD74HCT4067-Q1 support LSTTL input logic compatibility? Yes, it supports direct LSTTL input logic compatibility.
- What is the fanout capability of the CD74HCT4067-Q1? The device can support up to 10 LSTTL loads for standard outputs and up to 15 LSTTL loads for bus driver outputs.
- What type of switching does the CD74HCT4067-Q1 use? The device uses Break-Before-Make switching.
