Overview
The SN74LVC244AQPWRQ1 is an octal buffer/line driver produced by Texas Instruments. This device is designed to operate within a voltage range of 1.65 V to 3.6 V, making it versatile for various applications. It is organized as two 4-bit line drivers with separate output-enable (OE) inputs, allowing for data to be passed from the A inputs to the Y outputs when OE is low, and placing the outputs in a high-impedance state when OE is high. This component is particularly useful in mixed 3.3-V/5-V system environments due to its ability to accept input voltages up to 5.5 V.
Key Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Texas Instruments |
| Package Type | TSSOP-20 |
| Operating Temperature Range | -40°C to 125°C |
| Supply Voltage (VCC) | 1.65 V to 3.6 V |
| Input Voltage | Up to 5.5 V |
| Output Current (High/Low) | 24 mA / 24 mA |
| Propagation Delay (tpd) | 5.9 ns at 3.3 V |
| ESD Protection | 2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model |
| Mounting Type | Surface Mount |
| Logic Type | Buffer/Line Driver, Non-Inverting |
| Number of Elements | 2 (each 4-bit) |
Key Features
- Qualified for Automotive Applications (AEC-Q100)
- Operates from 1.65 V to 3.6 V
- Inputs accept voltages up to 5.5 V
- Specified from 40°C to 85°C and 40°C to 125°C
- Supports mixed-mode signal operation on all ports (5-V input/output voltage with 3.3-V VCC)
- Partial-power-down mode operation supported
- Latch-up performance exceeds 250 mA per JESD 17
- ESD protection exceeds JESD 22 standards
Applications
The SN74LVC244AQPWRQ1 is suitable for a variety of applications, particularly in automotive and industrial environments. It is used in systems that require reliable and efficient signal buffering and driving, such as in mixed 3.3-V/5-V system environments. Its robust ESD protection and wide operating temperature range make it ideal for harsh environments.
Q & A
- What is the operating voltage range of the SN74LVC244AQPWRQ1?
The SN74LVC244AQPWRQ1 operates within a voltage range of 1.65 V to 3.6 V. - What is the maximum input voltage the device can accept?
The device can accept input voltages up to 5.5 V. - What is the propagation delay of the SN74LVC244AQPWRQ1 at 3.3 V?
The propagation delay is 5.9 ns at 3.3 V. - Does the SN74LVC244AQPWRQ1 support partial-power-down mode?
Yes, it supports partial-power-down mode operation. - What is the ESD protection level of the SN74LVC244AQPWRQ1?
The device has ESD protection exceeding 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model. - What is the package type of the SN74LVC244AQPWRQ1?
The package type is TSSOP-20. - What is the operating temperature range of the SN74LVC244AQPWRQ1?
The operating temperature range is -40°C to 125°C. - Is the SN74LVC244AQPWRQ1 qualified for automotive applications?
Yes, it is qualified for automotive applications (AEC-Q100). - How many bits does each element of the SN74LVC244AQPWRQ1 have?
Each element is a 4-bit line driver. - What is the typical output ground bounce and overshoot of the SN74LVC244AQPWRQ1?
The typical output ground bounce is less than 0.8 V, and the overshoot is greater than 2 V at VCC = 3.3 V and TA = 25°C.
