Overview
The 74LVC245ADB653 is an octal bus transceiver with 3-state outputs, manufactured by NXP USA Inc. This device is designed to facilitate data transmission between different voltage levels, making it versatile for use in mixed 3.3 V and 5 V environments. The 74LVC245ADB653 is part of NXP's extensive portfolio of logic devices, known for their low power consumption and high performance.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74LVC245ADB653 |
| Package Name | SSOP20 (SOT339-1) |
| Supply Voltage Range | 1.2 V to 3.6 V |
| Input Voltage Range | Up to 5.5 V |
| Operating Temperature Range | -40 °C to +85 °C and -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 |
| Bus Hold | On all data inputs (for 74LVCH245A) |
| IOFF Circuitry | Provides partial power-down mode operation |
Key Features
- Wide supply voltage range from 1.2 V to 3.6 V
- CMOS low-power consumption
- Direct interface with TTL levels
- Overvoltage tolerant inputs up to 5.5 V
- Bus hold on all data inputs (for 74LVCH245A)
- IOFF circuitry for partial power-down mode operation
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times
Applications
The 74LVC245ADB653 is suitable for a variety of applications, including:
- Mixed voltage systems requiring data translation between 3.3 V and 5 V levels
- Automotive systems where robustness and low power consumption are critical
- Industrial and IoT applications requiring reliable and efficient data transmission
- Consumer electronics where low power and high performance are essential
Q & A
- What is the primary function of the 74LVC245ADB653?
The primary function is to act as an octal bus transceiver with 3-state outputs, facilitating data transmission between different voltage levels. - What is the supply voltage range of the 74LVC245ADB653?
The supply voltage range is from 1.2 V to 3.6 V. - Is the 74LVC245ADB653 compatible with TTL levels?
Yes, it has a direct interface with TTL levels. - What is the operating temperature range of the 74LVC245ADB653?
The operating temperature range is from -40 °C to +85 °C and -40 °C to +125 °C. - Does the 74LVC245ADB653 have ESD protection?
Yes, it exceeds 2000 V for HBM and 1000 V for CDM. - What is the purpose of the IOFF circuitry in the 74LVC245ADB653?
The IOFF circuitry provides partial power-down mode operation, preventing backflow current when the device is powered down. - Can the 74LVC245ADB653 be used in mixed voltage systems?
Yes, it is designed for use in mixed 3.3 V and 5 V environments. - What package type is the 74LVC245ADB653 available in?
The device is available in the SSOP20 (SOT339-1) package. - Does the 74LVC245ADB653 have bus hold on all data inputs?
Yes, for the 74LVCH245A variant. - What are some common applications of the 74LVC245ADB653?
It is commonly used in automotive, industrial, IoT, and consumer electronics applications.
