NXP Semiconductors 74LVC1T45GM,115

The 74LVC1T45GM,115 is a dual supply translating transceiver with 3-state outputs, designed by NXP Semiconductors (now part of Nexperia). This single-bit transceiver enables bidirectional level translation between different voltage levels, making it versatile for various electronic designs. 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)) that can operate within a wide voltage range of 1.2 V to 5.5 V. This device is particularly useful for translating between different low voltage nodes such as 1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V, and 5.0 V.

• Wide Supply Voltage Range: VCC(A) and VCC(B) can be supplied at any voltage between 1.2 V and 5.5 V, making it suitable for translating between various low voltage nodes.
• High Noise Immunity: Ensures reliable operation in noisy environments.
• High Data Rates: Supports maximum data rates of 420 Mbps (3.3 V to 5.0 V translation), 210 Mbps (translate to 3.3 V), 140 Mbps (translate to 2.5 V), 75 Mbps (translate to 1.8 V), and 60 Mbps (translate to 1.5 V).
• ESD Protection: Complies with HBM JESD22-A114F Class 3A (exceeds 4000 V) and CDM JESD22-C101E (exceeds 1000 V).
• Partial Power-Down Mode: IOFF circuitry disables the output to prevent backflow current when the device is powered down.
• Active Bus Hold Circuitry: Available in the 74LVCH1T45, holds unused or floating data inputs at a valid logic level.
• Low Power Consumption: Maximum ICC of 16 μA.
• Multiple Package Options: Available in various packages, including 6-XSON (SOT886).

The 74LVC1T45GM,115 is versatile and can be used in a wide range of applications across various industries, including:

• Automotive: For level translation in automotive systems where different voltage levels are used.
• Industrial IoT: In industrial IoT devices that require reliable and high-speed data translation.
• Mobile and Consumer Electronics: For translating between different voltage levels in mobile devices and consumer electronics.
• Computing and Power Systems: In computing systems and power management circuits where level translation is necessary.
• Wearables and Embedded Systems: In wearables and other embedded systems that require compact and efficient level translation.

1. What is the primary function of the 74LVC1T45GM,115?

   The primary function is to enable bidirectional level translation between different voltage levels, ranging from 1.2 V to 5.5 V.

2. What are the supported data rates for the 74LVC1T45GM,115?

   The device supports data rates up to 420 Mbps (3.3 V to 5.0 V translation), with lower rates for other voltage translations.

3. What is the purpose of the IOFF circuitry in the 74LVC1T45GM,115?

   The IOFF circuitry disables the output to prevent backflow current when the device is powered down.

4. What is the operating temperature range for the 74LVC1T45GM,115?

   The device operates within an ambient temperature range of -40°C to +125°C.

5. What type of ESD protection does the 74LVC1T45GM,115 offer?

   The device complies with HBM JESD22-A114F Class 3A (exceeds 4000 V) and CDM JESD22-C101E (exceeds 1000 V).

6. What package options are available for the 74LVC1T45GM,115?

   The device is available in a 6-XSON (SOT886) package.

7. How does the active bus hold circuitry work in the 74LVCH1T45?

   The active bus hold circuitry holds unused or floating data inputs at a valid logic level.

8. What is the maximum output drive capability of the 74LVC1T45GM,115?

   The maximum output drive capability is ±24 mA when VCC = 3.0 V.

9. Can the 74LVC1T45GM,115 be used in partial power-down applications?

   Yes, the device is fully specified for partial power-down applications using IOFF circuitry.

10. What are some common applications for the 74LVC1T45GM,115?

    Common applications include automotive, industrial IoT, mobile and consumer electronics, computing, and wearables.