Overview
The 74LVC245AD,112 is an octal bus transceiver with 3-state outputs, manufactured by Nexperia USA Inc. This device is part of the 74LVC245A and 74LVCH245A series, designed to facilitate data transmission between two data buses. It features an output enable (OE) and a send/receive (DIR) input for direction control, allowing for flexible data flow management. The 74LVC245AD,112 is particularly useful in mixed 3.3 V and 5 V environments due to its ability to interface with both voltage levels.
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC245AD | n.a. | CMOS/LVTTL | ± 24 | 2.9 | 8 | 175 | low | -40 to +125 | 84 | 60 | SO20 (SOT163-1) |
Key Features
- Output enable (OE) and send/receive (DIR) inputs for direction control.
- 3-state outputs, allowing for high-impedance OFF-state when OE is HIGH.
- 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.
- Schmitt-trigger action at all inputs for tolerance of slower input rise and fall times.
- IOFF circuitry for partial power-down mode operation.
- Bus hold on all data inputs (for 74LVCH245A only).
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 2 exceeds 2000 V), CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
Applications
The 74LVC245AD,112 is versatile and can be used in various applications across different industries, including:
- Automotive systems for data transmission and control.
- Industrial automation for interfacing between different voltage level devices.
- Consumer electronics for mixed voltage environment applications.
- Mobile and wearable devices requiring low power consumption and high reliability.
- Computing and power management systems needing efficient data transfer.
Q & A
- What is the primary function of the 74LVC245AD,112?
The primary function is to act as an octal bus transceiver with 3-state outputs, facilitating data transmission between two data buses.
- What are the key control inputs for the 74LVC245AD,112?
The key control inputs are the output enable (OE) and the send/receive (DIR) inputs.
- What is the voltage range for the supply voltage of the 74LVC245AD,112?
The supply voltage range is from 1.2 V to 3.6 V.
- Is the 74LVC245AD,112 compatible with TTL levels?
Yes, it is compatible with TTL levels.
- What is the maximum frequency of operation for the 74LVC245AD,112?
The maximum frequency of operation is 175 MHz.
- Does the 74LVC245AD,112 have ESD protection?
Yes, it has ESD protection: HBM (exceeds 2000 V) and CDM (exceeds 1000 V).
- What is the operating temperature range for the 74LVC245AD,112?
The operating temperature range is from -40 °C to +125 °C.
- Can the 74LVC245AD,112 be used in mixed 3.3 V and 5 V environments?
Yes, it can be used in mixed 3.3 V and 5 V environments due to its overvoltage tolerant inputs.
- What package type is the 74LVC245AD,112 available in?
The 74LVC245AD,112 is available in the SO20 (SOT163-1) package.
- Is the 74LVC245AD,112 compliant with any specific standards?
Yes, it complies with JEDEC standards JESD8-7A, JESD8-5A, and JESD8-C/JESD36.
