Overview
The 74HC245D-Q100J, produced by Nexperia USA Inc., is an 8-bit transceiver with 3-state outputs. This device is part of the 74HC245 and 74HCT245 series, which are designed for bidirectional data transmission. The 74HC245D-Q100J is qualified to the Automotive Electronics Council (AEC) standard Q100 (Grade 1), making it suitable for use in automotive applications. It features an output enable (OE) and a send/receive (DIR) control for direction management, allowing for flexible data flow between two buses.
The device operates over a wide supply voltage range from 2.0 V to 6.0 V and is known for its low power dissipation and high noise immunity. It complies with JEDEC standards JESD7A and JESD8C, ensuring compatibility and reliability across various environments.
Key Specifications
| Parameter | Conditions | Min | Typ | Max | Unit |
|---|---|---|---|---|---|
| VCC | Supply Voltage | 2.0 | - | 6.0 | V |
| VIH | HIGH-level input voltage (VCC = 6.0 V) | 4.2 | 3.2 | 4.2 | V |
| VIL | LOW-level input voltage (VCC = 6.0 V) | - | 1.8 | 2.8 | V |
| IO | Output current (VCC = 4.5 V, IO = -6.0 mA) | 3.98 | 4.32 | 3.7 | V |
| tpd | Propagation delay (VCC = 6.0 V, CL = 15 pF) | 7 | - | 15 | ns |
| fmax | Maximum frequency (VCC = 6.0 V) | - | - | 36 | MHz |
| Tamb | Ambient temperature range | -40 | - | 125 | °C |
| Package | - | - | - | SO20 (SOT163-1) | - |
Key Features
- Output Enable and Direction Control: The device features an output enable (OE) and a send/receive (DIR) control, allowing for flexible direction management of data flow.
- 3-State Outputs: Outputs can assume a high-impedance OFF-state when OE is HIGH.
- Wide Supply Voltage Range: Operates from 2.0 V to 6.0 V.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- High Noise Immunity: Complies with JEDEC standards JESD7A and JESD8C.
- ESD Protection: HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V.
- AEC-Q100 Qualified: Suitable for automotive applications.
- Input Levels: CMOS level for 74HC245 and TTL level for 74HCT245.
Applications
The 74HC245D-Q100J is versatile and can be used in a variety of applications, including:
- Automotive Systems: Qualified to AEC-Q100 (Grade 1), it is suitable for use in automotive electronics.
- Industrial Control Systems: Its robust design and wide operating temperature range make it ideal for industrial environments.
- Consumer Electronics: Used in various consumer electronic devices requiring reliable data transmission.
- Computing and Networking: Can be used in computing and networking equipment for data bus management.
Q & A
- What is the primary function of the 74HC245D-Q100J?
The primary function is to act as an 8-bit transceiver with 3-state outputs, enabling bidirectional data transmission between two buses.
- What is the supply voltage range for the 74HC245D-Q100J?
The device operates over a supply voltage range from 2.0 V to 6.0 V.
- What are the input levels for the 74HC245 and 74HCT245?
The 74HC245 uses CMOS level inputs, while the 74HCT245 uses TTL level inputs.
- What is the significance of the AEC-Q100 qualification?
The AEC-Q100 qualification makes the device suitable for use in automotive applications, ensuring it meets the stringent requirements of the automotive industry.
- What is the purpose of the output enable (OE) and send/receive (DIR) controls?
The OE control enables or disables the outputs, while the DIR control determines the direction of data flow between the two buses.
- What kind of ESD protection does the 74HC245D-Q100J offer?
The device offers HBM (Human Body Model) ESD protection exceeding 2000 V and CDM (Charged Device Model) ESD protection exceeding 1000 V.
- What is the operating temperature range for the 74HC245D-Q100J?
The device is specified to operate from -40 °C to +125 °C.
- What package options are available for the 74HC245D-Q100J?
The device is available in the SO20 (SOT163-1) package.
- What are the key benefits of using CMOS technology in the 74HC245D-Q100J?
CMOS technology provides low power dissipation and high noise immunity.
- Can the 74HC245D-Q100J be used in industrial control systems?
Yes, its robust design and wide operating temperature range make it suitable for industrial environments.
