Overview
The 74LVC245APW/AU118 is an octal bus transceiver with 3-state outputs, designed and manufactured by Nexperia (previously part of NXP USA Inc.). This device is part of the 74LVC245A/74LVCH245A family, known for its high-performance, low-power, and low-voltage characteristics. It features an output enable (OE) and send/receive (DIR) pin for direction control, making it versatile for various digital logic applications.
Key Specifications
| Type Number | VCC(A) (V) | VCC(B) (V) | Logic Switching Levels | Output Drive Capability (mA) | tpd (ns) | Number of Bits | fmax (MHz) | Power Dissipation Considerations | Tamb (°C) | Package Name |
|---|---|---|---|---|---|---|---|---|---|---|
| 74LVC245APW | 1.2 - 3.6 | 1.2 - 3.6 | CMOS/LVTTL | ± 24 | 2.9 | 8 | 175 | Low | -40 to +125 | TSSOP20 (SOT360-1) |
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 to 5.5 V
- Bus hold on all data inputs (74LVCH245A only)
- IOFF circuitry provides partial Power-down mode operation
- Complies with JEDEC standards: JESD8-7A, JESD8-5A, JESD8-C/JESD36
- 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
- Interface between 3.3 V and 5 V systems
- Low-power and low-voltage digital logic circuits
- Embedded systems requiring high-performance and low power consumption
- Industrial control systems
- Consumer electronics
Q & A
- What is the primary function of the 74LVC245APW?
The primary function is to act as an octal bus transceiver with 3-state outputs, enabling data transmission between two different voltage domains.
- What is the voltage range for VCC(A) and VCC(B)?
The voltage range for both VCC(A) and VCC(B) is from 1.2 V to 3.6 V.
- What is the output drive capability of the 74LVC245APW?
The output drive capability is ± 24 mA.
- What is the maximum propagation delay (tpd)?
The maximum propagation delay is 2.9 ns.
- Does the 74LVC245APW have ESD protection?
- What package options are available for the 74LVC245APW?
The device is available in a TSSOP20 (SOT360-1) package.
- What are the operating temperature ranges for the 74LVC245APW?
The device operates from -40 °C to +125 °C.
- Is the 74LVC245APW compliant with any industry standards?
- What is the IOFF circuitry used for?
The IOFF circuitry provides partial Power-down mode operation, disabling the output to prevent backflow current when the device is powered down.
- Can the 74LVC245APW interface directly with TTL levels?
