Overview
The SN74LVCC4245APWRG4 is an 8-bit (octal) bus transceiver and voltage level shifter manufactured by Texas Instruments. It is designed to facilitate asynchronous communication between data buses operating at different voltage levels, specifically 3.3V and 5V. This device is particularly useful in applications where voltage translation is required between these two common voltage domains. Its target user groups include designers and engineers working on embedded systems, industrial automation, and consumer electronics. The SN74LVCC4245APWRG4 stands out for its bidirectional voltage translation capability, robust performance, and ease of integration, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Number of Bits | 8 | - | Octal bus transceiver |
| Voltage - VCCA | 4.5V ~ 5.5V | V | For A port |
| Voltage - VCCB | 2.7V ~ 3.6V | V | For B port |
| Output Type | 3-State, Non-Inverting | - | - |
| Data Rate | - | - | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Package | 24-TSSOP | - | Surface mount |
| Supply Voltage | 2.7V ~ 5.5V | V | - |
| Propagation Delay | 7ns (max) | ns | - |
| Mounting Type | Surface Mount | - | - |
Key Features
- Bidirectional voltage translation between 3.3V and 5V systems.
- 8-bit bus transceiver with 3-state outputs for bus isolation.
- Direction control (DIR) pin for flexible data flow management.
- Output enable (OE) pin to disable outputs and isolate buses.
- Robust performance with a wide operating temperature range (-40°C to 85°C).
- Compact 24-TSSOP package for space-constrained applications.
Applications
The SN74LVCC4245APWRG4 is widely used in various applications, including:
- Industrial Automation: Facilitates communication between devices operating at different voltage levels in control systems.
- Consumer Electronics: Enables voltage translation in portable devices and embedded systems.
- Automotive Electronics: Supports data bus communication in vehicle control modules.
- Embedded Systems: Provides seamless integration in microcontroller-based designs requiring voltage level shifting.
Q & A
1. What is the primary function of the SN74LVCC4245APWRG4?
The SN74LVCC4245APWRG4 is an 8-bit bus transceiver and voltage level shifter designed to enable bidirectional communication between 3.3V and 5V systems.
2. What are the voltage ranges for VCCA and VCCB?
VCCA operates at 4.5V to 5.5V, while VCCB operates at 2.7V to 3.6V.
3. How does the DIR pin function?
The DIR pin controls the direction of data flow. A high level sends data from A to B, while a low level sends data from B to A.
4. What is the purpose of the OE pin?
The OE pin disables the outputs, effectively isolating the buses when not in use.
5. What is the maximum propagation delay?
The maximum propagation delay is 7ns.
6. What is the operating temperature range?
The device operates within a temperature range of -40°C to 85°C.
7. What package does the SN74LVCC4245APWRG4 come in?
It is available in a 24-TSSOP surface mount package.
8. Is the SN74LVCC4245APWRG4 RoHS compliant?
Yes, the device is RoHS compliant.
9. Can this device be used in automotive applications?
Yes, it is suitable for automotive electronics, particularly in vehicle control modules.
10. What is the typical application of this device?
It is commonly used for voltage translation in embedded systems, industrial automation, and consumer electronics.
