Overview
The 74VHC245PW118, produced by Nexperia USA Inc., is an advanced high-speed CMOS octal bidirectional transceiver. This device is fabricated with silicon gate CMOS technology, offering high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining the low power dissipation characteristic of CMOS devices. It is designed for bidirectional asynchronous communication between data buses, making it a versatile component in various electronic systems.
Key Specifications
| Parameter | Conditions | Unit | Typical | Minimum | Maximum |
|---|---|---|---|---|---|
| Supply Voltage (VCC) | - | V | - | 2.0 | 6.0 |
| Propagation Delay Time (tPLH, tPHL) | CL = 15 pF, VCC = 3.3 V | ns | ±0.3 | 1.0 | 5.8 |
| Propagation Delay Time (tPLH, tPHL) | CL = 50 pF, VCC = 5.0 V | ns | - | 1.0 | 11.9 |
| Output Drive Capability | - | mA | - | - | ±7.8 |
| Quiescent Supply Current (ICC) | VIN = VCC or GND, TA = 25°C | µA | - | - | 4.0 |
| Operating Temperature (Tamb) | - | °C | - | -40 | 125 |
| Package | - | - | - | - | TSSOP20 (SOT360-1) |
Key Features
- High Speed Operation: The 74VHC245PW118 achieves high-speed operation with a propagation delay time of 4.0 ns (typical) at VCC = 5 V.
- Low Power Dissipation: The device features low power dissipation, with a quiescent supply current of 4.0 µA (maximum) at TA = 25°C.
- High Noise Immunity: It offers high noise immunity with VNIH and VNIL of 28% VCC (minimum).
- 3-State Outputs: The device has non-inverting 3-state outputs, which can be controlled by the output enable (OE) and send/receive (T/R) inputs.
- ESD Protection: All inputs are equipped with protection circuits against static discharge, meeting ANSI/ESDA/JEDEC JS-001 Class 2 and JS-002 Class C3 standards.
- Wide Supply Voltage Range: The device operates over a wide supply voltage range from 2.0 V to 6.0 V).
Applications
The 74VHC245PW118 is suitable for a variety of applications across different industries, including:
- Automotive Electronics: For use in automotive systems requiring high-speed and low-power data transmission.
- Industrial Automation: Ideal for industrial equipment, collaborative robots (cobots), and other industrial applications where high reliability and efficiency are crucial).
- Consumer Electronics: Used in consumer devices that require fast data transfer and low power consumption, such as mobile devices and wearables).
- Computing and Networking: Suitable for computing and networking applications that demand high-speed data transmission and low power dissipation).
Q & A
- What is the primary function of the 74VHC245PW118?
The primary function of the 74VHC245PW118 is to act as an octal bidirectional transceiver for asynchronous communication between data buses.
- What is the typical propagation delay time of the 74VHC245PW118?
The typical propagation delay time is 4.0 ns at VCC = 5 V.
- What is the operating temperature range of the 74VHC245PW118?
The operating temperature range is from -40°C to +125°C.
- What type of package does the 74VHC245PW118 come in?
The device comes in a TSSOP20 (SOT360-1) package.
- Does the 74VHC245PW118 have ESD protection?
Yes, the device has ESD protection meeting ANSI/ESDA/JEDEC JS-001 Class 2 and JS-002 Class C3 standards.
- What is the supply voltage range for the 74VHC245PW118?
The supply voltage range is from 2.0 V to 6.0 V.
- How does the output enable (OE) input affect the outputs of the 74VHC245PW118?
A HIGH on the OE input causes the outputs to assume a high-impedance OFF-state.
- What is the purpose of the send/receive (T/R) input in the 74VHC245PW118?
The T/R input determines the direction of data transmission.
- Is the 74VHC245PW118 compatible with TTL logic levels?
No, the 74VHC245PW118 is CMOS level compatible, but there are similar devices like the 74HCT245 that are TTL level compatible).
- What are some common applications for the 74VHC245PW118?
Common applications include automotive electronics, industrial automation, consumer electronics, and computing and networking.
