Overview
The SN74LVC16T245DL is a 16-bit dual-supply bus transceiver produced by Texas Instruments. This device is designed for asynchronous communication between two data buses and features configurable level-shifting and voltage translation capabilities. It allows for bidirectional data transmission between different voltage nodes, making it ideal for addressing mixed voltage incompatibility in various electronic systems.
Key Specifications
| Parameter | Description |
|---|---|
| Package Type | SSOP (48 pins), TSSOP (48 pins), TVSOP (48 pins), BGA MicroStar Junior (56 pins) |
| Body Size | SSOP: 15.88 mm × 7.49 mm, TSSOP: 12.50 mm × 6.10 mm, TVSOP: 9.70 mm × 4.40 mm, BGA MicroStar Junior: 7.00 mm × 4.50 mm |
| Power Supply Range | VCCA: 1.65 V to 5.5 V, VCCB: 1.65 V to 5.5 V |
| Operating Temperature | -40°C to 85°C |
| Control Inputs | DIR and OE inputs, referenced to VCCA |
| Output Mode | Tri-state outputs, high-impedance state when OE is high or DIR is inappropriate |
| ESD Protection | Exceeds JESD 22 |
| Latch-Up Performance | Exceeds 100 mA per JESD 78, Class II |
| Partial-Power-Down Mode | Supported by Ioff circuitry |
Key Features
- Configurable level-shifting and voltage translation between 1.8-V, 2.5-V, 3.3-V, and 5-V voltage nodes
- VCC isolation feature ensures both ports are in high-impedance state if either VCC input is at GND
- Overvoltage-tolerant inputs and outputs
- Fully configurable dual-rail design allowing each port to operate over the full 1.65-V to 5.5-V power-supply range
- Supports partial-power-down mode operation using Ioff circuitry
- ESD protection exceeds JESD 22, and latch-up performance exceeds 100 mA per JESD 78, Class II
Applications
- Level-shifting applications for interfacing devices with different voltage requirements
- Data transmission in mixed voltage environments
- Personal electronics, industrial, enterprise, and telecom applications
Q & A
- What is the primary function of the SN74LVC16T245DL? The primary function is to facilitate bidirectional data transmission between two data buses with different voltage levels.
- What is the power supply range for the SN74LVC16T245DL? The device operates with VCCA and VCCB ranging from 1.65 V to 5.5 V each.
- What types of packages are available for the SN74LVC16T245DL? Available packages include SSOP, TSSOP, TVSOP, and BGA MicroStar Junior.
- What is the operating temperature range for the SN74LVC16T245DL? The device operates from -40°C to 85°C.
- Does the SN74LVC16T245DL support partial-power-down mode? Yes, it supports partial-power-down mode using Ioff circuitry.
- What is the purpose of the VCC isolation feature? The VCC isolation feature ensures that if either VCC input is at GND, both ports are in the high-impedance state.
- What kind of ESD protection does the SN74LVC16T245DL have? The device has ESD protection that exceeds JESD 22.
- What are some common applications of the SN74LVC16T245DL? Common applications include level-shifting, mixed voltage data transmission, personal electronics, industrial, enterprise, and telecom.
- How do the control inputs (DIR and OE) function? The DIR and OE inputs control the direction of data transmission and the output state, respectively, and are referenced to VCCA.
- What is the significance of the tri-state outputs? The tri-state outputs can be set to high-impedance mode when the OE input is high or the DIR input is inappropriate.
