Overview
The 74HC245BQ,115, produced by Nexperia USA Inc., is an 8-bit octal bus transceiver with 3-state outputs. This device is part of the HC/UH series and is designed for bidirectional data transmission. It features an output enable (OE) and a send/receive (DIR) control, allowing for flexible direction control of the data flow. The 74HC245BQ is suitable for a wide range of applications due to its compatibility with CMOS logic levels and its ability to operate over a broad supply voltage range from 2.0 V to 6.0 V.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2.0 | - | 6.0 | V |
| High-level Input Voltage (VIH) at VCC = 6.0 V | 4.2 | - | - | V |
| Low-level Input Voltage (VIL) at VCC = 6.0 V | - | - | 2.8 | V |
| High-level Output Voltage (VOH) at VCC = 6.0 V, IO = -7.8 mA | 5.48 | - | - | V |
| Low-level Output Voltage (VOL) at VCC = 6.0 V, IO = 6.0 mA | - | - | 0.4 | V |
| Propagation Delay (tpd) at VCC = 6.0 V, CL = 15 pF | 7 | - | 23 | ns |
| Output Enable Time (ten) at VCC = 6.0 V | 9 | - | 33 | ns |
| Supply Current (ICC) at VCC = 5.5 V | - | - | 160 | μA |
| Input Leakage Current (II) at VCC = 5.5 V | - | - | ±1.0 | μA |
| OFF-state Output Current (IOZ) at VCC = 5.5 V | - | - | ±10 | μA |
| Package Type | - | - | DHVQFN20 (SOT764-1) | - |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V, making it versatile for various applications.
- CMOS Low Power Dissipation: Low power consumption, which is beneficial for energy-efficient designs.
- High Noise Immunity: Provides robust performance in noisy environments.
- Octal Bidirectional Bus Interface: Allows for bidirectional data transmission between two buses.
- Non-inverting 3-State Outputs: Outputs can be set to a high-impedance OFF-state, controlled by the output enable (OE) pin.
- Input Levels: Compatible with CMOS logic levels for the 74HC245 and TTL logic levels for the 74HCT245.
- Compliance with JEDEC Standards: Meets JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V) standards.
- ESD Protection: High ESD protection levels, exceeding 2000 V for HBM and 1000 V for CDM.
- Multiple Package Options: Available in various packages, including DHVQFN20 (SOT764-1).
Applications
The 74HC245BQ,115 is widely used in various industries and applications, including:
- Automotive Systems: For data transmission and control in automotive electronics.
- Industrial Control Systems: In industrial automation and control systems where reliable data transmission is crucial.
- Consumer Electronics: In devices such as smartphones, tablets, and other consumer electronics requiring bidirectional data communication.
- Computing and Networking: For data transmission in computing and networking equipment.
- Wearables and Mobile Devices: In wearable technology and mobile devices where low power consumption and high reliability are essential.
Q & A
- What is the primary function of the 74HC245BQ,115?
The primary function of the 74HC245BQ,115 is to act as an 8-bit octal bus transceiver with 3-state outputs, enabling bidirectional data transmission between two buses.
- What is the supply voltage range for the 74HC245BQ,115?
The supply voltage range for the 74HC245BQ,115 is from 2.0 V to 6.0 V.
- What are the input levels for the 74HC245BQ,115?
The input levels for the 74HC245BQ,115 are CMOS logic levels.
- How does the output enable (OE) pin function?
A HIGH on the output enable (OE) pin causes the outputs to assume a high-impedance OFF-state.
- What is the operating temperature range for the 74HC245BQ,115?
The operating temperature range for the 74HC245BQ,115 is from -40 °C to +125 °C.
- Does the 74HC245BQ,115 have ESD protection?
Yes, the 74HC245BQ,115 has high ESD protection levels, exceeding 2000 V for HBM and 1000 V for CDM.
- What package type is the 74HC245BQ,115 available in?
The 74HC245BQ,115 is available in the DHVQFN20 (SOT764-1) package.
- What are some common applications for the 74HC245BQ,115?
Common applications include automotive systems, industrial control systems, consumer electronics, computing and networking, and wearables.
- Does the 74HC245BQ,115 comply with any specific standards?
Yes, it complies with JEDEC standards JESD8C (2.7 V to 3.6 V) and JESD7A (2.0 V to 6.0 V).
- What is the propagation delay for the 74HC245BQ,115 at VCC = 6.0 V?
The propagation delay at VCC = 6.0 V is typically 15 ns, with a maximum of 23 ns.
