Overview
The 74AVC4T245BQ-Q100X, produced by Nexperia USA Inc., is a 4-bit, dual supply translating transceiver designed to enable bidirectional level translation between different voltage domains. This device can be utilized as two 2-bit transceivers or as a single 4-bit transceiver, making it highly versatile for various applications. It features four 2-bit input-output ports, a direction control input, and an output enable input, allowing for flexible data transmission and bus isolation. The device supports a wide range of voltage levels from 0.8 V to 3.6 V, making it suitable for translating between different low voltage nodes such as 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V, and 3.3 V.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74AVC4T245BQ |
| VCC(A) (V) | 0.8 - 3.6 |
| VCC(B) (V) | 0.8 - 3.6 |
| Logic Switching Levels | CMOS/LVTTL |
| Output Drive Capability (mA) | ± 12 |
| Propagation Delay (ns) | 2.1 |
| Number of Bits | 4 |
| Power Dissipation Considerations | Very Low |
| Operating Temperature (°C) | -40 to +125 |
| Package Name | DHVQFN16 (SOT763-1) |
| Package Description | Plastic, leadless dual in-line compatible thermal enhanced very thin quad flat package; 16 terminals; 0.5 mm pitch; 3.5 mm x 2.5 mm x 1 mm body |
Key Features
- Bidirectional level translation between different voltage domains (0.8 V to 3.6 V).
- Can be used as two 2-bit transceivers or as a single 4-bit transceiver.
- Direction control input (nDIR) and output enable input (nOE) for flexible data transmission and bus isolation.
- High-speed data transmission: 200 Mbit/s (≥ 1.1 V to 1.8 V translation), 150 Mbit/s (≥ 1.1 V to 1.5 V translation), and 100 Mbit/s (≥ 1.1 V to 1.2 V translation).
- Suspend mode and partial Power-down mode operation via IOFF circuitry.
- ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 3B exceeds 8000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V).
- Latch-up performance exceeds 100 mA per JESD 78 Class II.
Applications
The 74AVC4T245BQ-Q100X is suitable for a wide range of applications where bidirectional level translation is required, such as in mixed-voltage systems, interface circuits between different voltage domains, and in high-speed data transmission scenarios. It is particularly useful in designs involving microprocessors, microcontrollers, and other integrated circuits that operate at different voltage levels.
Q & A
- What is the primary function of the 74AVC4T245BQ-Q100X?
The primary function is to enable bidirectional level translation between different voltage domains. - What voltage ranges does the device support?
The device supports voltage ranges from 0.8 V to 3.6 V for both VCC(A) and VCC(B). - How many bits can the device handle?
The device can handle 4 bits and can be used as two 2-bit transceivers or as a single 4-bit transceiver. - What is the purpose of the direction control input (nDIR)?
The direction control input (nDIR) determines the direction of data transmission between the two voltage domains. - What is the maximum propagation delay of the device?
The maximum propagation delay is 2.1 ns. - Does the device have ESD protection?
Yes, the device has ESD protection: HBM (ANSI/ESDA/JEDEC JS-001 class 3B exceeds 8000 V) and CDM (ANSI/ESDA/JEDEC JS-002 class C3 exceeds 1000 V). - What are the operating temperature ranges for the device?
The device operates from -40°C to +125°C. - What package type is the device available in?
The device is available in a DHVQFN16 (SOT763-1) package. - Does the device support partial Power-down mode operation?
Yes, the device supports partial Power-down mode operation via IOFF circuitry. - What are some common applications for this device?
Common applications include mixed-voltage systems, interface circuits between different voltage domains, and high-speed data transmission scenarios.
