Overview
The SN74LVC245APWRG3 is an octal bus transceiver with 3-state outputs, designed and manufactured by Texas Instruments. This device is optimized for asynchronous communication between data buses and operates within a voltage range of 1.65 V to 3.6 V. It is particularly useful in applications requiring high-speed data transfer and mixed-mode signal operation.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.65 to 3.6 | V |
| Input Voltage Range | -0.5 to VCC + 0.5 | V |
| Maximum Propagation Delay (tpd) at 3.3 V | 6.3 | ns |
| Output Ground Bounce (VOLP) | < 0.8 | V at VCC = 3.3 V, TA = 25°C |
| Output Undershoot (VOHV) | > 2 | V at VCC = 3.3 V, TA = 25°C |
| Package Type | TSSOP (20 pins) | |
| Operating Temperature Range | -40 to 125 | °C |
| ESD Protection | 2000-V Human-Body Model, 1000-V Charged-Device Model |
Key Features
- Operates from 1.65 V to 3.6 V, allowing for flexible voltage use in various applications.
- Inputs accept voltages up to 5.5 V, providing compatibility with higher voltage systems.
- Maximum propagation delay of 6.3 ns at 3.3 V, ensuring high-speed data transfer.
- Typical output ground bounce (VOLP) of less than 0.8 V and output undershoot (VOHV) of more than 2 V at VCC = 3.3 V and TA = 25°C.
- Supports live insertion, partial-power-down mode, and back drive protection.
- Mixed-mode signal operation on all ports, allowing 5-V input/output voltage with 3.3-V VCC.
- Latch-up performance exceeds 250 mA per JESD 17.
- ESD protection exceeds JESD 22, with 2000-V Human-Body Model and 1000-V Charged-Device Model.
Applications
- Cable Modem Termination Systems
- Servers
- LED Displays
- General high-speed data transfer applications requiring asynchronous communication between data buses.
Q & A
- What is the operating voltage range of the SN74LVC245APWRG3?
The operating voltage range is from 1.65 V to 3.6 V.
- What is the maximum propagation delay at 3.3 V?
The maximum propagation delay is 6.3 ns at 3.3 V.
- Can the inputs accept voltages higher than the VCC?
Yes, the inputs can accept voltages up to 5.5 V.
- What is the typical output ground bounce (VOLP) at VCC = 3.3 V and TA = 25°C?
The typical output ground bounce (VOLP) is less than 0.8 V.
- Does the device support mixed-mode signal operation?
Yes, it supports mixed-mode signal operation on all ports, allowing 5-V input/output voltage with 3.3-V VCC.
- What is the latch-up performance of the device?
The latch-up performance exceeds 250 mA per JESD 17.
- What level of ESD protection does the device offer?
The device offers ESD protection exceeding JESD 22, with 2000-V Human-Body Model and 1000-V Charged-Device Model.
- What is the package type of the SN74LVC245APWRG3?
The package type is TSSOP with 20 pins.
- What is the operating temperature range of the device?
The operating temperature range is from -40°C to 125°C.
- Does the device support live insertion and partial-power-down mode?
Yes, it supports live insertion, partial-power-down mode, and back drive protection.
