Overview
The SN74LVC245APWG4 is an octal bus transceiver with 3-state outputs, manufactured by Texas Instruments. This device is designed to operate over a wide voltage range from 1.65 V to 3.6 V, making it versatile for various applications. It features inputs that can accept voltages up to 5.5 V, ensuring compatibility with different signal levels. The SN74LVC245A is part of the LVC (Low-Voltage CMOS) family, known for its low power consumption and high-speed operation.
Key Specifications
| Parameter | Min | Typ | Max | Unit | Conditions |
|---|---|---|---|---|---|
| VCC Supply Voltage Range | -0.5 | - | 6.5 | V | - |
| Input Voltage Range | -0.5 | - | 6.5 | V | - |
| Propagation Delay Time (tpd) | 1.5 | 4.4 | 8.3 | ns | VCC = 3.3 V, CL = 50 pF |
| Low-Level Output Current (IOL) | 12 | - | 24 | mA | VCC = 3 V |
| Power Dissipation Capacitance per Transceiver | 1 | - | 2 | pF | f = 10 MHz, Outputs disabled |
| Operating Temperature Range | -40 | - | 85 | °C | - |
Key Features
- Operates from 1.65 V to 3.6 V, making it suitable for a wide range of applications.
- Inputs accept voltages up to 5.5 V, allowing for mixed-mode signal operation.
- Maximum propagation delay time of 6.3 ns at 3.3 V.
- Typical output ground bounce (VOLP) < 0.8 V and output VOH undershoot (VOHV) > 2 V at VCC = 3.3 V, TA = 25°C.
- Supports partial-power-down mode operation (Ioff).
- ESD protection exceeds JESD 22 – 2000-V Human-Body Model (A114-A) and 1000-V Charged-Device Model (C101).
- Latch-up performance exceeds 250 mA per JESD 17.
Applications
- Cable Modem Termination Systems
- Servers
- LED Displays
- General-purpose bus transceiver applications requiring high-speed and low power consumption.
Q & A
- What is the operating voltage range of the SN74LVC245APWG4? The device operates from 1.65 V to 3.6 V.
- What is the maximum input voltage the device can accept? The inputs can accept voltages up to 5.5 V.
- What is the maximum propagation delay time at 3.3 V? The maximum propagation delay time is 6.3 ns at 3.3 V.
- Does the device support partial-power-down mode operation? Yes, it supports partial-power-down mode operation (Ioff).
- What is the ESD protection level of the device? The device has ESD protection that exceeds JESD 22 – 2000-V Human-Body Model (A114-A) and 1000-V Charged-Device Model (C101).
- What is the latch-up performance of the device? The latch-up performance exceeds 250 mA per JESD 17.
- What are some common applications of the SN74LVC245APWG4? It is used in cable modem termination systems, servers, LED displays, and general-purpose bus transceiver applications.
- What is the recommended operating temperature range for the device? The operating temperature range is from -40°C to 85°C.
- How should unused inputs be handled to ensure proper device operation? All unused inputs of the device must be held at VCC or GND to ensure proper device operation.
- What type of packages is the SN74LVC245APWG4 available in? The device is available in various packages including TSSOP, SOIC, SSOP, and others.
