Overview
The SN74AVC2T244DQMR is a 2-bit unidirectional voltage-level translator produced by Texas Instruments. This device is designed to facilitate voltage translation between different voltage nodes, ranging from 0.9 V to 3.6 V. It features two separate configurable power-supply rails, allowing for flexible operation in various voltage environments. The SN74AVC2T244DQMR is particularly useful in applications requiring low-voltage translation and power management, such as in handheld devices, servers, and other electronic systems.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| DC Supply Voltage (VCCA, VCCB) | 0.9 | 3.6 | V |
| Input Voltage (VI) | -0.5 | 4.6 | V |
| Output Voltage (VO) | -0.5 | 4.6 | V |
| Operating Free-Air Temperature (TA) | -40 | 85 | °C |
| Input Leakage Current (II) | -1.0 | 1.5 | μA |
| Quiescent Supply Current (ICCA + ICCB) | - | 6.0 | μA |
| Propagation Delay (tPLH, tPHL) | 20 | - | nS |
| Output Enable Time (tPZH, tPZL) | 23 | - | nS |
| Output Disable Time (tPHZ, tPLZ) | 17 | - | nS |
Key Features
- Wide operating VCC range of 0.9 V to 3.6 V
- Low static-power consumption, 6-µA max ICC
- Output enable feature allows user to disable outputs to reduce power consumption
- ±24-mA output drive at 3.0 V
- Ioff supports partial power-down-mode operation
- Input hysteresis allows slow input transition and better switching noise immunity at input
- Maximum data rates up to 380 Mbps (1.8-V to 3.3-V translation)
- Latch-up performance exceeds 100 mA per JESD 78, Class II
- ESD protection exceeds JESD 22 – 5000-V Human-Body Model (A114-A)
Applications
The SN74AVC2T244DQMR is suitable for a variety of applications, including:
- Handsets and smartphones
- Tablets
- Servers
- Other electronic systems requiring low-voltage translation and power management
Q & A
- What is the operating voltage range of the SN74AVC2T244DQMR?
The operating voltage range is from 0.9 V to 3.6 V for both VCCA and VCCB. - What is the maximum static-power consumption of the device?
The maximum static-power consumption is 6 µA. - Does the device support partial power-down mode?
Yes, the device supports partial power-down mode through the Ioff feature. - What is the maximum output drive current at 3.0 V?
The maximum output drive current at 3.0 V is ±24 mA. - What are the maximum data rates for different voltage translations?
The maximum data rates vary from 100 Mbps to 380 Mbps depending on the voltage translation. - Does the device have ESD protection?
Yes, the device has ESD protection exceeding JESD 22 – 5000-V Human-Body Model (A114-A). - What is the package type of the SN74AVC2T244DQMR?
The device is available in an 8-pin X2SON (DQM) package. - What is the operating temperature range of the device?
The operating temperature range is from -40°C to 85°C. - Does the device have input hysteresis?
Yes, the device has input hysteresis to allow slow input transition and better switching noise immunity. - What is the propagation delay of the device?
The propagation delay (tPLH, tPHL) is 20 nS for certain conditions.
