Overview
The 74HCT245BQ-Q100X, produced by Nexperia USA Inc., is an 8-bit transceiver with 3-state outputs. This device is designed to facilitate bidirectional data transmission between two buses, making it a versatile component in various digital systems. It features an output enable (OE) and a send/receive (DIR) control pin, allowing for flexible direction control. The 74HCT245BQ-Q100X is part of the 74HCT family, which is compatible with TTL logic levels, and it operates within a wide supply voltage range from 2.0 V to 6.0 V.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HCT245BQ-Q100X |
| Package | DHVQFN20 (SOT764-1) |
| Supply Voltage Range | 2.0 V to 6.0 V |
| Logic Switching Levels | TTL |
| Output Drive Capability | ± 6 mA |
| Propagation Delay (tpd) | 10 ns (typical at VCC = 4.5 V) |
| Number of Bits | 8 |
| Maximum Frequency (fmax) | 36 MHz |
| Operating Temperature Range | -40 °C to +125 °C |
| ESD Protection | HBM: ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V, CDM: ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V |
Key Features
- Octal bidirectional bus interface with non-inverting 3-state outputs
- Output enable (OE) and send/receive (DIR) control for direction control
- High noise immunity and CMOS low power dissipation
- Inputs include clamp diodes for interfacing with voltages in excess of VCC
- Complies with JEDEC standards JESD7A and JESD8C
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
- AEC-Q100 (Grade 1) qualified for automotive applications
Applications
The 74HCT245BQ-Q100X is suitable for a variety of applications, including:
- Automotive systems: Qualified to AEC-Q100 (Grade 1), making it reliable for use in automotive electronics.
- Industrial control systems: Its robust design and wide operating temperature range make it ideal for industrial environments.
- Embedded systems: Useful in embedded systems requiring bidirectional data transmission between different buses.
- Communication systems: Can be used in communication systems that require reliable and fast data transfer.
Q & A
- What is the primary function of the 74HCT245BQ-Q100X? The primary function is to act as an 8-bit transceiver with 3-state outputs, facilitating bidirectional data transmission between two buses.
- What are the logic switching levels for this device? The logic switching levels are TTL (Transistor-Transistor Logic) compatible.
- What is the operating temperature range of the 74HCT245BQ-Q100X? The device operates from -40 °C to +125 °C.
- What is the maximum output drive capability of this transceiver? The maximum output drive capability is ± 6 mA.
- Does the 74HCT245BQ-Q100X have ESD protection? Yes, it has ESD protection exceeding 2000 V for HBM and 1000 V for CDM.
- Is the 74HCT245BQ-Q100X suitable for automotive applications? Yes, it is AEC-Q100 (Grade 1) qualified, making it suitable for automotive use.
- What package options are available for this device? The device is available in a DHVQFN20 (SOT764-1) package.
- How does the output enable (OE) pin function? A HIGH on the OE pin causes the outputs to assume a high-impedance OFF-state.
- What is the propagation delay of the 74HCT245BQ-Q100X? The typical propagation delay is 10 ns at VCC = 4.5 V.
- Does the device comply with any specific standards? Yes, it complies with JEDEC standards JESD7A and JESD8C.
