Overview
The 74HCT32DTR2G, produced by onsemi, is a quad 2-input OR gate integrated circuit. This device is fabricated using advanced silicon-gate CMOS technology, which offers low quiescent power consumption and a wide power supply range. It is designed to be compatible with TTL and LS-TTL logic families, making it suitable for interfacing between TTL, NMOS, and standard CMOS components. The 74HCT32DTR2G is also a plug-in replacement for LS-TTL devices, helping to reduce power consumption in existing designs.
Key Specifications
| Parameter | Conditions | Typical | Minimum | Maximum | Unit |
|---|---|---|---|---|---|
| VCC (Supply Voltage) | 5 | 4.5 | 5.5 | V | |
| VIH (High-Level Input Voltage) | VCC = 4.5 V to 5.5 V | 2 | 2 | 2 | V |
| VIL (Low-Level Input Voltage) | VCC = 4.5 V to 5.5 V | 0.8 | 0.8 | 0.8 | V |
| VOH (High-Level Output Voltage) | IOH = -20 μA, VCC = 4.5 V to 5.5 V | VCC - 0.1 | 4.4 | 4.499 | V |
| VOL (Low-Level Output Voltage) | IOL = 20 μA, VCC = 4.5 V to 5.5 V | 0.1 | 0.1 | 0.1 | V |
| tPLH, tPHL (Propagation Delay) | VCC = 5 V, CL = 15 pF, TA = 25°C | 10 | 12 | 20 | ns |
| ICC (Quiescent Supply Current) | VCC = 5 V, VIN = VCC or GND | 2 | 1.2 | 20 | μA |
| IIN (Input Current) | VIN = VCC or GND | ±0.1 | ±0.1 | ±1.0 | μA |
Key Features
- TTL, LS Pin-out and Threshold Compatible: The device is compatible with TTL and LS-TTL logic families, making it versatile for various applications.
- Fast Switching: Typical propagation delay of 10 ns at 25°C.
- Low Power Consumption: Quiescent supply current of 20 μA maximum.
- High Fan-out: Can drive up to 10 LS-TTL loads.
- Wide Operating Voltage Range: Operates from 4.5 V to 5.5 V.
- Static Discharge Protection: All inputs are protected from static discharge damage by internal diodes to VCC and ground.
- Output Drive Capability: ±4-mA output drive at 5 V.
Applications
The 74HCT32DTR2G is suitable for a variety of digital logic applications, including:
- Interface Between TTL and CMOS Devices: It can act as an interface between TTL, NMOS, and standard CMOS components.
- Power Reduction in Existing Designs: It can replace LS-TTL devices to reduce power consumption.
- Digital Logic Circuits: Useful in circuits requiring OR gate logic functions.
- Embedded Systems and Microcontrollers: Can be used in various embedded systems and microcontroller projects where low power consumption and fast switching are required.
Q & A
- What is the operating voltage range of the 74HCT32DTR2G?
The operating voltage range is from 4.5 V to 5.5 V.
- What is the typical propagation delay of the 74HCT32DTR2G?
The typical propagation delay is 10 ns at 25°C.
- How many LS-TTL loads can the 74HCT32DTR2G drive?
The device can drive up to 10 LS-TTL loads.
- What is the quiescent supply current of the 74HCT32DTR2G?
The quiescent supply current is 20 μA maximum.
- Is the 74HCT32DTR2G protected against static discharge?
Yes, all inputs are protected from static discharge damage by internal diodes to VCC and ground.
- What is the output drive capability of the 74HCT32DTR2G?
The output drive capability is ±4-mA at 5 V.
- Can the 74HCT32DTR2G replace LS-TTL devices?
Yes, it can be used as a plug-in replacement for LS-TTL devices to reduce power consumption.
- What is the maximum input current of the 74HCT32DTR2G?
The maximum input current is ±1.0 μA.
- What are the typical high and low output voltages of the 74HCT32DTR2G?
The typical high output voltage is VCC - 0.1 V, and the typical low output voltage is 0.1 V.
- What is the operating temperature range of the 74HCT32DTR2G?
The operating temperature range is from -40°C to 85°C.
- What are the package options available for the 74HCT32DTR2G?
The device is available in SOIC-14, TSSOP-14, and other packages.
