Overview
The MC74HC245ADWR2G, produced by onsemi, is a high-performance silicon-gate CMOS octal 3-state noninverting bus transceiver. This device is designed for 2-way asynchronous communication between data buses and is identical in pinout to the LS245. It is compatible with standard CMOS outputs and, with external pull-up resistors, can also be compatible with LSTTL outputs. The transceiver features an active-low Output Enable pin and a Direction control that determines the direction of data flow between the two buses (A and B).
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| DC Supply Voltage (VCC) | 2.0 to 6.0 | V |
| DC Input Voltage (VIN) | −0.5 to VCC + 0.5 | V |
| DC Output Voltage (VOUT) | −0.5 to VCC + 0.5 | V |
| Output Drive Capability | 15 LSTTL Loads | |
| Low Input Current | 1 μA | |
| Operating Free-Air Temperature | −55 to +125 | °C |
| Storage Temperature Range | −65 to +150 | °C |
| Lead Temperature, 1 mm from Case for 10 Seconds |
Key Features
- Outputs directly interface to CMOS, NMOS, and TTL
- High noise immunity characteristic of CMOS devices
- In compliance with the requirements defined by JEDEC Standard No. 7A
- Chip complexity: 308 FETs or 77 equivalent gates
- Pb-free, halogen-free, and RoHS compliant
- AEC-Q100 qualified and PPAP capable for automotive and other applications requiring unique site and control change requirements
Applications
The MC74HC245ADWR2G is versatile and can be used in various applications, including:
- Automotive systems
- Communications equipment
- Computing and consumer electronics
- Industrial control systems
- LED lighting and medical devices
- Military/aerospace applications
Q & A
- What is the primary function of the MC74HC245ADWR2G?
The MC74HC245ADWR2G is a 3-state noninverting bus transceiver used for 2-way asynchronous communication between data buses. - What is the operating voltage range of the MC74HC245ADWR2G?
The operating voltage range is from 2.0 to 6.0 V. - How many LSTTL loads can the MC74HC245ADWR2G drive?
The device can drive up to 15 LSTTL loads. - Is the MC74HC245ADWR2G compatible with LSTTL outputs?
Yes, with external pull-up resistors, it is compatible with LSTTL outputs. - What is the maximum input current of the MC74HC245ADWR2G?
The maximum input current is 1 μA. - Does the MC74HC245ADWR2G meet any specific industry standards?
Yes, it is in compliance with the requirements defined by JEDEC Standard No. 7A. - What is the chip complexity of the MC74HC245ADWR2G?
The chip complexity is 308 FETs or 77 equivalent gates. - Is the MC74HC245ADWR2G Pb-free and RoHS compliant?
Yes, it is Pb-free, halogen-free, and RoHS compliant. - What are some common applications of the MC74HC245ADWR2G?
It is used in automotive, communications, computing, consumer electronics, industrial control systems, LED lighting, medical devices, and military/aerospace applications. - How does the Direction control work on the MC74HC245ADWR2G?
The Direction control determines whether data flows from Bus A to Bus B or from Bus B to Bus A.
