Overview
The SN74LVCC4245APWRE4 is an 8-bit (octal) bus transceiver and voltage level shifter produced by Texas Instruments. This integrated circuit (IC) is designed to facilitate bidirectional voltage translation between 3.3V and 5V environments, making it ideal for mixed-voltage systems. Its primary function is to enable asynchronous communication between data buses, ensuring seamless data transfer across different voltage domains. The device is housed in a compact 24-pin TSSOP package, making it suitable for space-constrained applications. With its robust design and reliable performance, the SN74LVCC4245APWRE4 is widely used in industrial, automotive, and consumer electronics.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Logic Function | Transceiver, Bidirectional, 3-State | - | - |
| Number of Bits | 8 | - | - |
| Input Type | Voltage | - | - |
| Output Type | Voltage | - | - |
| Data Rate | - | - | - |
| Number of Channels | 8 | - | - |
| Outputs per Channel | 1 | - | - |
| Differential Input/Output | No/No | - | - |
| Propagation Delay (Max) | 7 | ns | - |
| Supply Voltage | 2.7 V ~ 5.5 V, 4.5 V ~ 5.5 V | V | - |
| Operating Temperature | -40°C ~ 85°C | °C | - |
| Package/Case | 24-TSSOP (0.173", 4.40mm Width) | - | - |
| Supplier Device Package | 24-TSSOP | - | - |
| Packaging | Tape & Reel (TR) | - | - |
Key Features
- Bidirectional Voltage Translation: Supports voltage level shifting between 3.3V and 5V environments.
- 3-State Outputs: Allows for effective bus isolation when the device is disabled.
- Asynchronous Communication: Facilitates data transfer between buses operating at different voltages.
- Robust Design: Features ESD protection and latch-up performance exceeding industry standards.
- Compact Package: 24-pin TSSOP package ideal for space-constrained applications.
Applications
The SN74LVCC4245APWRE4 is widely used in various industries due to its versatility and reliability. Key application areas include:
- Industrial Automation: Used in control systems and data acquisition modules for voltage level translation.
- Automotive Electronics: Enables communication between different voltage domains in vehicle control units.
- Consumer Electronics: Facilitates data transfer in mixed-voltage systems such as smartphones and tablets.
- Embedded Systems: Ideal for microcontroller-based designs requiring voltage level shifting.
Q & A
1. What is the primary function of the SN74LVCC4245APWRE4?
The primary function is to provide bidirectional voltage translation between 3.3V and 5V environments, enabling seamless data transfer across different voltage domains.
2. What is the maximum propagation delay of this device?
The maximum propagation delay is 7 nanoseconds.
3. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
4. What package does the SN74LVCC4245APWRE4 come in?
It comes in a 24-pin TSSOP package.
5. How many channels does this device have?
It has 8 bidirectional channels.
6. What is the supply voltage range?
The supply voltage range is 2.7V to 5.5V, with specific ranges for VCCA (4.5V to 5.5V) and VCCB (2.7V to 5.5V).
7. Can this device be used for automotive applications?
Yes, it is suitable for automotive electronics, particularly in vehicle control units.
8. What is the role of the DIR input?
The DIR input controls the direction of data transfer, determining whether data flows from A to B or B to A.
9. Does this device support 3-state outputs?
Yes, it features 3-state outputs for effective bus isolation.
10. Is the SN74LVCC4245APWRE4 RoHS compliant?
Yes, it is RoHS compliant and lead-free.
