Overview
The 74AHC245PW-Q100118 is an octal bus transceiver with 3-state outputs, manufactured by NXP USA Inc. This device is part of the 74AHC/AHCT family and is designed for high-speed data transmission and reception. It features an output enable (OE) and a send/receive (DIR) pin for direction control, allowing it to act as a translator in mixed voltage environments. The device operates within a wide supply voltage range from 2.0 V to 5.5 V, making it versatile for various applications.
Key Specifications
| Type Number | VCC (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Number of Bits | fmax (MHz) | Power Dissipation Considerations | Tamb (°C) | Rth(j-a) (K/W) | Rth(j-c) (K/W) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74AHC245PW | n.a. | CMOS | ± 8 | 3.5 | 8 | 60 | low | -40 ~ 125 | 99 | 43.3 | TSSOP20 |
Key Features
- Output enable (OE) and send/receive (DIR) for direction control.
- 3-state outputs with high-impedance OFF-state when OE is HIGH.
- Overvoltage tolerant inputs up to 5.5 V, allowing use in mixed voltage environments.
- Wide supply voltage range from 2.0 V to 5.5 V.
- CMOS low power dissipation.
- High noise immunity and balanced propagation delays.
- All inputs have Schmitt-trigger action.
- Latch-up performance exceeds 100 mA per JESD 78 Class II Level A.
- ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V.
Applications
The 74AHC245PW-Q100118 is suitable for a variety of applications requiring high-speed data transmission and reception, including:
- Bus systems in computer and telecommunications equipment.
- Mixed voltage environments where translation between different logic levels is necessary.
- High-speed data buffers and transceivers in industrial and automotive systems.
- Any application requiring low power consumption and high noise immunity.
Q & A
- What is the primary function of the 74AHC245PW-Q100118? The primary function is to act as an octal bus transceiver with 3-state outputs, enabling data transmission and reception with direction control.
- What is the supply voltage range for this device? The supply voltage range is from 2.0 V to 5.5 V.
- What type of logic levels does the 74AHC245 support? The 74AHC245 supports CMOS logic levels, while the 74AHCT245 supports TTL logic levels.
- What is the maximum frequency of operation for this device? The maximum frequency of operation is 60 MHz.
- Does the device have ESD protection? Yes, it has ESD protection: HBM ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V.
- What is the operating temperature range for this device? The operating temperature range is -40°C to 125°C.
- What package type is the 74AHC245PW-Q100118 available in? It is available in a TSSOP20 package.
- Are the inputs overvoltage tolerant? Yes, the inputs are overvoltage tolerant up to 5.5 V.
- What is the latch-up performance of this device? The latch-up performance exceeds 100 mA per JESD 78 Class II Level A.
- Does the device have Schmitt-trigger action on its inputs? Yes, all inputs have Schmitt-trigger action.
