Overview
The SN74LVCH16245ADLR is a 16-bit bus transceiver with 3-state outputs, manufactured by Texas Instruments. This device is part of the Widebus™ family and is designed for asynchronous communication between data buses. It operates within a voltage range of 1.65 V to 3.6 V, making it versatile for various applications. The SN74LVCH16245ADLR can be used as two 8-bit transceivers or as a single 16-bit transceiver, enhancing its flexibility in system design.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Supply Voltage Range | 1.65 to 3.6 | V |
| Input Voltage Range | -0.5 to 6.5 | V |
| Output Voltage Range (High-Impedance or Power-Off State) | -0.5 to 6.5 | V |
| Output Voltage Range (High or Low State) | -0.5 to VCC + 0.5 | V |
| Operating Temperature Range | -40 to 125 | °C |
| Maximum Propagation Delay (tpd) at 3.3 V | 4 | ns |
| Output Drive (IOL/IOH) Maximum | -24/24 | mA |
| Package Type | SSOP (DL), TSSOP, TVSOP | |
| Number of Pins | 48 |
Key Features
- Member of the Texas Instruments Widebus™ family
- Operates from 1.65 V to 3.6 V
- Inputs accept voltages up to 5.5 V
- Typical output ground bounce (VOLP) < 0.8 V at VCC = 3.3 V, TA = 25°C
- Typical output VOH undershoot > 2 V at VCC = 3.3 V, TA = 25°C
- Supports mixed-mode signal operation on all ports (5-V input/output voltage with 3.3-V VCC)
- Ioff supports live insertion, partial-power-down mode, and back-drive protection
- Latch-up performance exceeds 250 mA per JESD 17
- ESD protection exceeds JESD 22 (2000-V human-body model, 200-V machine model, 1000-V charged-device model)
- Bus hold on data inputs eliminates the need for external pullup or pulldown resistors
Applications
- Electronic Points of Sale
- Test and Measurement Equipment
- Wearable Health and Fitness Devices
- Tablets and Mobile Devices
Q & A
- What is the operating voltage range of the SN74LVCH16245ADLR?
The SN74LVCH16245ADLR operates from 1.65 V to 3.6 V.
- What is the maximum propagation delay at 3.3 V?
The maximum propagation delay at 3.3 V is 4 ns.
- What types of packages are available for the SN74LVCH16245ADLR?
The device is available in SSOP (DL), TSSOP, and TVSOP packages.
- Does the SN74LVCH16245ADLR support mixed-mode signal operation?
Yes, it supports mixed-mode signal operation on all ports (5-V input/output voltage with 3.3-V VCC).
- What is the latch-up performance of the SN74LVCH16245ADLR?
The latch-up performance exceeds 250 mA per JESD 17.
- What kind of ESD protection does the SN74LVCH16245ADLR have?
The device has ESD protection exceeding JESD 22 (2000-V human-body model, 200-V machine model, 1000-V charged-device model).
- Does the SN74LVCH16245ADLR require external pullup or pulldown resistors?
No, the bus hold on data inputs eliminates the need for external pullup or pulldown resistors.
- What is the maximum output drive current for the SN74LVCH16245ADLR?
The maximum output drive current is -24/24 mA.
- What is the operating temperature range of the SN74LVCH16245ADLR?
The operating temperature range is -40°C to 125°C.
- Can the SN74LVCH16245ADLR be used in safety-critical applications?
No, it is not recommended for use in safety-critical applications without proper evaluation and validation.
