Overview
The 74LVCH8T245BQ-Q10J is an 8-bit dual supply translating transceiver produced by Nexperia USA Inc. This integrated circuit is designed to facilitate bidirectional level translation between two different voltage domains, making it highly versatile for various electronic systems. The device features two data input-output ports, a direction control input, and an output enable input, allowing for flexible and controlled data transmission. It supports a wide range of voltage levels from 1.2 V to 5.5 V on both supply pins (VCC(A) and VCC(B)), enabling translation between different low-voltage nodes such as 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC(A) and VCC(B) | 1.2 | - | 5.5 | V |
| Logic Switching Levels | CMOS/LVTTL | - | - | - |
| Output Drive Capability | - | - | ±24 | mA |
| Propagation Delay (t_pd) | - | - | 3.5 | ns |
| Number of Bits | - | - | 8 | - |
| Operating Temperature (T_amb) | -40 | - | 125 | °C |
| Thermal Resistance (R_th(j-a)) | - | - | 66 | K/W |
| Package | - | - | DHVQFN24 (SOT815-1) | - |
Key Features
- Bidirectional Level Translation: Enables data transmission between two different voltage domains.
- Dual Supply Pins: VCC(A) and VCC(B) can be supplied at any voltage between 1.2 V and 5.5 V.
- Direction Control and Output Enable: Features a direction control input (DIR) and an output enable input (OE) for controlled data transmission.
- High-Speed Operation: Supports a maximum data rate of 100 Mbps.
- Low Stand-by Current: Low power consumption in stand-by mode.
- ESD Protection and Latch-up Performance: Exceeds JESD 22 and JESD 78 Class II Level B standards.
- Robust Rail-to-Rail Performance: Ensures reliable operation across the full voltage range.
- Fail-Safe Circuitry: Ensures safe operation in case of input signal failure.
- Automotive Qualified: Suitable for use in automotive applications.
Applications
- Interface Translation: Ideal for translating signals between different voltage domains in mixed-signal systems.
- Automotive Systems: Qualified for use in automotive applications where robust and reliable operation is critical.
- Industrial Control Systems: Suitable for use in industrial control systems that require level translation between different voltage levels.
- Consumer Electronics: Used in consumer electronics to enable communication between components operating at different voltage levels.
- Embedded Systems: Useful in embedded systems where voltage level translation is necessary for proper operation.
Q & A
- What is the primary function of the 74LVCH8T245BQ-Q10J?
The primary function is to provide bidirectional level translation between two different voltage domains.
- What is the voltage range supported by VCC(A) and VCC(B)?
Both VCC(A) and VCC(B) can be supplied at any voltage between 1.2 V and 5.5 V.
- What is the maximum data rate supported by this device?
The device supports a maximum data rate of 100 Mbps.
- What type of package does the 74LVCH8T245BQ-Q10J come in?
The device is packaged in a DHVQFN24 (SOT815-1).
- Is the 74LVCH8T245BQ-Q10J qualified for automotive applications?
Yes, it is qualified for use in automotive applications.
- What are the operating temperature ranges for this device?
The device operates from -40°C to +125°C.
- Does the device have ESD protection?
Yes, it exceeds JESD 22 standards for ESD protection.
- What is the purpose of the DIR and OE inputs?
The DIR input controls the direction of data transmission, and the OE input enables or disables the outputs.
- Is the device suitable for mixed-signal systems?
Yes, it is ideal for translating signals between different voltage domains in mixed-signal systems.
- What is the typical propagation delay of the device?
The typical propagation delay (t_pd) is 3.5 ns.
