Overview
The 74HCT32D is a quad 2-input OR gate integrated circuit produced by Toshiba Semiconductor and Storage. This component is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) levels. The IC is housed in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for surface mount applications. It is designed to operate within a wide range of supply voltages and offers low power dissipation, high noise immunity, and robust latch-up performance.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Part Number | 74HCT32D | |
| Manufacturer | Toshiba Semiconductor and Storage | |
| Logic Type | OR Gate | |
| Number of Inputs | 2 | |
| Number of Circuits | 4 | |
| Supply Voltage | 4.5 V ~ 5.5 V | V |
| Package | 14-SOIC | |
| Mounting Type | Surface Mount | |
| Operating Temperature | -40°C ~ 85°C | °C |
| Max Propagation Delay @ V, Max CL | 18ns @ 5.5V, 50pF | ns |
| Logic Level - Low | 0.8V | V |
| Logic Level - High | 2V | V |
| Current - Quiescent (Max) | 1µA | A |
| Current - Output High, Low | 4mA, 4mA | mA |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Key Features
- Quad 2-input OR gate configuration, providing four independent OR gates in a single package.
- Inputs include clamp diodes, allowing the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- Wide supply voltage range from 2.0 to 6.0 V, although the 74HCT32D specifically operates between 4.5 V and 5.5 V.
- CMOS low power dissipation and high noise immunity.
- Robust latch-up performance exceeding 100 mA per JESD 78 Class II Level B.
- Symmetrical output impedance.
- Complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
Applications
The 74HCT32D is versatile and can be used in a variety of digital logic circuits. It is particularly suitable for applications requiring multiple OR gate functions, such as in digital signal processing, control systems, and communication equipment. Its low power consumption and high noise immunity make it a good choice for battery-powered devices and noisy environments.
Q & A
- What is the primary function of the 74HCT32D IC?
The primary function of the 74HCT32D IC is to act as a quad 2-input OR gate. - What is the package type of the 74HCT32D?
The 74HCT32D is packaged in a 14-pin SOIC (Small Outline Integrated Circuit). - What is the operating temperature range of the 74HCT32D?
The operating temperature range of the 74HCT32D is -40°C to 85°C. - What are the logic levels for the 74HCT32D?
The 74HCT32D operates with TTL (Transistor-Transistor Logic) levels, with a low logic level of 0.8V and a high logic level of 2V. - Does the 74HCT32D have any special features for input protection?
Yes, the inputs of the 74HCT32D include clamp diodes, which allow the use of current limiting resistors to interface inputs to voltages in excess of VCC. - What is the maximum propagation delay of the 74HCT32D?
The maximum propagation delay of the 74HCT32D is 18ns at 5.5V with a 50pF load. - Is the 74HCT32D RoHS compliant?
Yes, the 74HCT32D is RoHS compliant and lead-free. - What is the moisture sensitivity level (MSL) of the 74HCT32D?
The moisture sensitivity level (MSL) of the 74HCT32D is 1 (Unlimited). - What are some common applications for the 74HCT32D?
The 74HCT32D is commonly used in digital signal processing, control systems, and communication equipment due to its multiple OR gate functions and low power consumption. - Does the 74HCT32D comply with any specific standards?
Yes, the 74HCT32D complies with JEDEC standards: JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
