Overview
The 74LVC162244ADGGRG4, produced by Texas Instruments, is a 16-bit buffer/driver with 3-state outputs. This device is designed to operate within a wide supply voltage range of 1.65 V to 3.6 V, making it versatile for various applications. It can be configured as four 4-bit buffers, two 8-bit buffers, or one 16-bit buffer, providing flexibility in system design. The device supports mixed-mode signal operation, allowing it to interface with both 3.3-V and 5-V systems, making it an ideal choice for mixed-voltage environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 1.65 to 3.6 | V |
| Input Voltage Tolerance | Up to 5.5 | V |
| Output Drive Capability | ±24 | mA |
| Maximum Propagation Delay | 4.4 ns at 3.3 V | ns |
| Number of Bits | 16 | - |
| Package Type | TSSOP (48 pins) | - |
| Operating Temperature Range | -40 to 125 | °C |
| ESD Protection | HBM: >2000 V, CDM: >1000 V | - |
Key Features
- Wide Supply Voltage Range: Operates from 1.65 V to 3.6 V, making it suitable for a variety of applications.
- Mixed-Mode Signal Operation: Inputs can be driven from either 3.3-V or 5-V devices, allowing use in mixed-voltage systems.
- 3-State Outputs: Outputs can be set to high-impedance state using the output-enable (OE) inputs.
- Low Power Dissipation: CMOS technology ensures low power consumption.
- ESD Protection: Exceeds 2000 V HBM and 1000 V CDM, providing robust protection against electrostatic discharge.
- Bus Hold on Data Inputs: Eliminates the need for external pull-up resistors (specific to 74LVCH162244A).
- Ioff Circuitry: Supports partial power-down mode operation and prevents backflow current when powered down.
- Schmitt-Trigger Action: Tolerant of slower input rise and fall times.
Applications
- Memory Address Drivers: Ideal for improving performance and density in memory address drivers.
- Clock Drivers: Suitable for clock distribution in digital systems.
- Bus-Oriented Receivers and Transmitters: Used in bus-oriented applications requiring high-speed data transmission.
- Network Switches and Telecom Infrastructures: Applicable in high-speed networking and telecommunications equipment.
- Test and Measurement Equipment: Useful in various test and measurement applications due to its versatility.
Q & A
- What is the supply voltage range of the 74LVC162244ADGGRG4?
The supply voltage range is from 1.65 V to 3.6 V.
- Can the inputs be driven from both 3.3-V and 5-V devices?
- What is the maximum propagation delay at 3.3 V?
The maximum propagation delay at 3.3 V is 4.4 ns.
- What type of ESD protection does the device offer?
The device offers ESD protection exceeding 2000 V HBM and 1000 V CDM.
- Can the device be used in partial power-down applications?
- What is the operating temperature range of the device?
The operating temperature range is from -40°C to 125°C.
- How many bits does the device support?
The device supports 16 bits and can be configured as four 4-bit, two 8-bit, or one 16-bit buffer.
- What type of package is available for the 74LVC162244ADGGRG4?
The device is available in a TSSOP (48 pins) package.
- Does the device have bus hold on data inputs?
The 74LVCH162244A version of the device has bus hold on data inputs, but this feature may not be present in all versions.
- What is the purpose of the output-enable (OE) inputs?
The output-enable (OE) inputs can be used to disable sections of the device, effectively isolating the buses.
