Overview
The 74AXP4T245PWJ is a 4-bit dual supply translating transceiver with 3-state outputs, manufactured by Nexperia USA Inc. This device is designed for bidirectional level translation and can be used as two 2-bit transceivers or as a single 4-bit transceiver. It features four 2-bit input-output ports, a direction control input, and an output enable input, along with dual supply pins that can operate at any voltage between 0.9 V and 5.5 V. This makes the device highly versatile for translating between various low voltage nodes such as 0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V.
Key Specifications
Parameter | Min | Typ | Max | Unit |
---|---|---|---|---|
VCC(A) and VCC(B) | 0.9 | - | 5.5 | V |
Logic Switching Levels | CMOS | - | - | - |
Output Drive Capability | - | - | ±12 | mA |
tpd (Propagation Delay) | 9 | - | - | ns |
Number of Bits | - | - | 4 | - |
Operating Temperature Range | -40 | - | 125 | °C |
Package Type | - | - | TSSOP16 | - |
Key Features
- Bidirectional Level Translation: The device can translate between any of the low voltage nodes (0.9 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V) without requiring power supply sequencing, preventing output glitches during power supply transitions.
- 3-State Outputs: The outputs can be set to high, low, or high-impedance state, controlled by the output enable input (nOE).
- Dual Supply Pins: VCC(A) and VCC(B) can be supplied at any voltage between 0.9 V and 5.5 V, making the device versatile for various applications.
- Low Power Consumption: The device is designed for ultra-low power dissipation, making it suitable for power-sensitive applications.
- Compact Packaging: Available in TSSOP16 and DHVQFN16 packages, offering a compact solution for space-constrained designs.
Applications
- Level Translation in Mixed Voltage Systems: Ideal for systems where different voltage levels need to be translated, such as in communication interfaces, data transfer between different voltage domains, and in mixed-signal designs.
- Mobile and Portable Devices: Suitable for use in battery-powered devices due to its low power consumption and compact packaging.
- Industrial and Automotive Systems: Can be used in industrial and automotive applications where robustness and reliability are crucial, given its wide operating temperature range and low power characteristics.
- Consumer Electronics: Applicable in various consumer electronic devices that require efficient and reliable level translation between different voltage levels.
Q & A
- What is the primary function of the 74AXP4T245PWJ?
The primary function is to perform bidirectional level translation between different voltage levels, making it suitable for mixed voltage systems.
- What are the possible voltage ranges for VCC(A) and VCC(B)?
Both VCC(A) and VCC(B) can be supplied at any voltage between 0.9 V and 5.5 V.
- What types of packages are available for the 74AXP4T245?
The device is available in TSSOP16 and DHVQFN16 packages.
- What is the significance of the 3-state outputs?
The 3-state outputs can be set to high, low, or high-impedance state, controlled by the output enable input (nOE), which is useful for controlling data flow and preventing bus contention.
- What is the operating temperature range of the 74AXP4T245PWJ?
The device operates over a temperature range of -40°C to +125°C.
- Is power supply sequencing required for this device?
No, power supply sequencing is not required, and the device prevents output glitches during power supply transitions using patented circuitry.
- What is the typical propagation delay of the 74AXP4T245PWJ?
The typical propagation delay (tpd) is around 9 ns.
- How many bits does the 74AXP4T245PWJ support?
The device supports 4 bits and can be used as two 2-bit transceivers or as a single 4-bit transceiver.
- What are some common applications of the 74AXP4T245PWJ?
Common applications include level translation in mixed voltage systems, mobile and portable devices, industrial and automotive systems, and consumer electronics.
- Is the 74AXP4T245PWJ RoHS compliant?
Yes, the device is RoHS compliant.