Overview
The SN74LVC244ADWRG4 is an octal bus buffer produced by Texas Instruments. This component is designed for asynchronous communication between data buses and operates within a voltage range of 1.65 V to 3.6 V. It is suitable for a wide range of applications requiring reliable and efficient data transmission.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Voltage Range | 1.65 V to 3.6 V |
| Input Voltage Range | Up to 5.5 V |
| Operating Temperature Range | –40°C to +85°C and –40°C to +125°C |
| Maximum Propagation Delay (tpd) at 3.3 V | 5.9 ns |
| Package Type | TSSOP (PW) with 20 pins |
| ESD Protection | 2000-V Human-Body Model, 1000-V Charged-Device Model |
Key Features
- Operates from 1.65 V to 3.6 V and accepts input voltages up to 5.5 V.
- Specified for operation from –40°C to +85°C and –40°C to +125°C.
- Maximum propagation delay of 5.9 ns at 3.3 V.
- Typical output ground bounce (VOLP) < 0.8 V and output overshoot (VOHV) > 2 V at VCC = 3.3 V, TA = 25°C.
- Supports mixed-mode signal operation on all ports (5-V input or output voltage with 3.3-V VCC).
- Supports live insertion, partial-power-down mode, and back-drive protection.
- Can be used as a down translator to translate inputs from a maximum of 5.5 V down to the VCC level.
- Available in ultra-small logic QFN package (0.5 mm maximum height).
- Latch-up performance exceeds 250 mA per JESD 17.
- ESD protection exceeds JESD 22 standards.
Applications
The SN74LVC244ADWRG4 is versatile and can be used in various applications requiring reliable and efficient data transmission. These include:
- Asynchronous communication between data buses.
- Down translation of input signals from higher voltage levels to the system's VCC level.
- Systems requiring mixed-mode signal operation.
- Applications needing live insertion, partial-power-down mode, and back-drive protection.
- High-reliability environments due to its robust ESD protection and latch-up performance.
Q & A
- What is the operating voltage range of the SN74LVC244ADWRG4?
The SN74LVC244ADWRG4 operates from 1.65 V to 3.6 V. - What is the maximum input voltage the SN74LVC244ADWRG4 can accept?
The SN74LVC244ADWRG4 can accept input voltages up to 5.5 V. - What is the maximum propagation delay at 3.3 V for the SN74LVC244ADWRG4?
The maximum propagation delay at 3.3 V is 5.9 ns. - What are the operating temperature ranges for the SN74LVC244ADWRG4?
The operating temperature ranges are –40°C to +85°C and –40°C to +125°C. - Does the SN74LVC244ADWRG4 support mixed-mode signal operation?
Yes, it supports mixed-mode signal operation on all ports. - What kind of ESD protection does the SN74LVC244ADWRG4 have?
The SN74LVC244ADWRG4 has ESD protection exceeding JESD 22 standards, including 2000-V Human-Body Model and 1000-V Charged-Device Model. - Can the SN74LVC244ADWRG4 be used for live insertion and partial-power-down mode?
Yes, it supports live insertion, partial-power-down mode, and back-drive protection. - What package types are available for the SN74LVC244ADWRG4?
The SN74LVC244ADWRG4 is available in TSSOP (PW) with 20 pins and ultra-small logic QFN package. - What is the latch-up performance of the SN74LVC244ADWRG4?
The latch-up performance exceeds 250 mA per JESD 17. - What are some common applications for the SN74LVC244ADWRG4?
Common applications include asynchronous communication between data buses, down translation of input signals, and systems requiring mixed-mode signal operation.
