Overview
The 74HC245PW is an 8-bit bus transceiver with 3-state outputs, manufactured by Nexperia. This device is part of the 74HC245 and 74HCT245 series, designed to provide bidirectional data transmission between two buses. It features an output enable (OE) and a direction control (DIR) pin, allowing for flexible control over data flow.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HC245PW |
| Package | TSSOP20 (SOT360-1) |
| Supply Voltage Range | 2.0 V to 6.0 V |
| Logic Switching Levels | CMOS |
| Output Drive Capability | ± 7.8 mA |
| Propagation Delay (tpd) | 7.0 ns |
| 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
- Non-inverting 3-state outputs
- Output enable (OE) and direction control (DIR) pins
- CMOS low power dissipation
- High noise immunity
- Inputs include clamp diodes for voltage protection
- Complies with JEDEC standards (JESD8C and JESD7A)
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Applications
The 74HC245PW is versatile and can be used in various applications across different industries, including:
- Automotive systems (e.g., electric pumps, HVAC, transmission, and gearbox systems)
- Industrial control systems
- Consumer electronics
- Mobile and wearable devices
- Computing and power management systems
Q & A
- What is the primary function of the 74HC245PW?
The primary function of the 74HC245PW is to act as an 8-bit bidirectional bus transceiver with 3-state outputs.
- What are the key control pins on the 74HC245PW?
The key control pins are the output enable (OE) and the direction control (DIR) pins.
- What is the supply voltage range for the 74HC245PW?
The supply voltage range is from 2.0 V to 6.0 V.
- What are the logic switching levels for the 74HC245PW?
The logic switching levels are CMOS.
- What is the maximum frequency (fmax) of the 74HC245PW?
The maximum frequency is 36 MHz.
- What is the operating temperature range for the 74HC245PW?
The operating temperature range is from -40 °C to +125 °C.
- Does the 74HC245PW have ESD protection?
- What package options are available for the 74HC245PW?
The device is available in a TSSOP20 (SOT360-1) package.
- Is the 74HC245PW compliant with any industry standards?
- What are some common applications of the 74HC245PW?
