Overview
The 74LVC1T45GM-Q100X, produced by Nexperia USA Inc., is a single-bit, dual-supply transceiver with 3-state outputs designed for bidirectional level translation. This device is part of the 74LVC1T45-Q100 and 74LVCH1T45-Q100 series, which are automotive-qualified according to the Automotive Electronics Council (AEC) standard Q100 (Grade 1). It features two 1-bit input-output ports (A and B), a direction control input (DIR), and dual supply pins (VCC(A) and VCC(B)), allowing for flexible voltage translation between various low-voltage nodes.
Key Specifications
| Type number | VCC(A) (V) | VCC(B) (V) | Logic switching levels | Output drive capability (mA) | tpd (ns) | Nr of bits | Power dissipation considerations | Tamb (°C) | Package name |
|---|---|---|---|---|---|---|---|---|---|
| 74LVC1T45GM-Q100 | 1.2 - 5.5 | 1.2 - 5.5 | CMOS/LVTTL | ± 24 | 2.5 | 1 | Low | -40 ~ 125 | XSON6 (SOT886) |
Key Features
- Dual Supply Voltage Range: Both VCC(A) and VCC(B) can be supplied with any voltage between 1.2 V and 5.5 V, enabling translation between various low-voltage nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V).
- High Noise Immunity: The device offers high noise immunity, making it robust in noisy environments.
- Maximum Data Rates: Supports data rates up to 420 Mbps (3.3 V to 5.0 V translation), 210 Mbps (translation to 3.3 V), 140 Mbps (translation to 2.5 V), 75 Mbps (translation to 1.8 V), and 60 Mbps (translation to 1.5 V).
- Suspend Mode and IOFF Circuitry: The device features suspend mode and IOFF circuitry, which disables the output and prevents backflow current when powered down.
- Active Bus Hold Circuitry: Available in the 74LVCH1T45-Q100 variant, this feature holds unused or floating data inputs at a valid logic level.
- Low Power Consumption: Maximum ICC of 16 μA, contributing to low power consumption.
- Automotive Qualification: Qualified to AEC-Q100 (Grade 1) standards, making it suitable for automotive applications.
Applications
The 74LVC1T45GM-Q100X is versatile and can be used in a variety of applications across different industries, including:
- Automotive: Suitable for use in automotive systems due to its AEC-Q100 qualification.
- Industrial: Used in industrial control systems and automation.
- Consumer Electronics: Found in mobile devices, wearables, and other consumer electronics requiring level translation.
- Computing and Power Systems: Used in computing hardware and power management systems where voltage translation is necessary.
Q & A
- What is the primary function of the 74LVC1T45GM-Q100X?
The primary function is to perform bidirectional level translation between two different voltage domains.
- What is the voltage range for VCC(A) and VCC(B)?
Both VCC(A) and VCC(B) can be supplied with any voltage between 1.2 V and 5.5 V.
- What are the maximum data rates supported by this device?
The device supports data rates up to 420 Mbps depending on the voltage translation scenario.
- Does the device have any power-down features?
Yes, it features IOFF circuitry for partial power-down mode operation.
- What is the operating temperature range for this device?
The device operates from -40 °C to +125 °C.
- Is the device automotive-qualified?
Yes, it is qualified to AEC-Q100 (Grade 1) standards.
- What package types are available for this device?
The device is available in XSON6 (SOT886) and TSSOP6 (SOT363-2) packages.
- Does the device have active bus hold circuitry?
This feature is available in the 74LVCH1T45-Q100 variant.
- What is the maximum output drive capability?
The device has an output drive capability of ±24 mA (VCC = 3.0 V).
- How does the direction control input (DIR) work?
A HIGH on DIR allows transmission from A to B, while a LOW on DIR allows transmission from B to A.
