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| Product attributes | Property Value |
| Manufacturer | NOVOSENSE |
| Product Series | 245 |
| Packaging | Cut Tape (CT) | |
| Part Status | Active |
| Logic Type | - |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | TTL |
| Output Type | 3-State |
| Current - Output High, Low | 24mA |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | Surface Mount |
| Package / Case | 20-TSSOP (0.256", 4.50mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |  |
The NCA8245-DTSTR is a single-channel bus transceiver from NOVOSENSE, based on the 245 logic family. It features 3-State outputs for bidirectional data transfer on a shared bus. Operating from 4.5V to 5.5V, it provides 24mA output current, suitable for moderate-speed bus applications. The device is packaged in a 20-TSSOP and operates over -40°C to 125°C, making it ideal for industrial and automotive environments. Typical uses include sensor buffering, memory interfacing, and ECU communication.
- Extended -40°C to 125°C Range: Suitable for automotive and industrial applications where temperature extremes are common.
- 3-State Outputs: Enables bus sharing and prevents data corruption in multi-device systems.
- 24mA Drive: Provides adequate current for short-to-medium bus lengths without external buffers.
- Compact 20-TSSOP Package: Reduces PCB footprint in space-limited designs.
5V Bus Buffering in Industrial Sensors
Use the NCA8245-DTSTR to buffer sensor data lines in industrial automation. The 4.5V-5.5V range matches standard 5V sensor outputs, and the 3-State outputs allow multiple sensors to share a single data line.
Level Shifting for Legacy Peripherals
In mixed-voltage systems, this transceiver can interface 5V peripherals with a 5V microcontroller bus. The 24mA drive is sufficient for short PCB traces, and the 20-TSSOP package fits compact designs.
Memory Module Address Buffering
For SRAM or EEPROM modules, the device buffers address and data lines. The bidirectional nature simplifies read/write operations, and the wide -40°C to 125°C range supports harsh environments.
Automotive ECU Communication
In automotive engine control units, the NCA8245-DTSTR buffers CAN or SPI signals between the main processor and peripheral drivers. The extended temperature range ensures reliability under hood, and the 3-State outputs prevent bus contention during diagnostics.
Test Fixture Signal Routing
In production test fixtures, this transceiver routes test signals to multiple points. The 24mA drive handles the capacitance of long test leads, and the 3-State outputs allow multiplexing of test channels.
Consumer Electronics Interface
For set-top boxes or gaming consoles, the device buffers control signals between the main board and front-panel buttons. The 5V operation is compatible with standard logic, and the small package saves space.
- Q: What is the logic family of the NCA8245-DTSTR?
- A: It is based on the 245 logic family, which is a standard octal bus transceiver architecture.
- Q: What is the function of this IC?
- A: It is a single-channel bus transceiver, providing bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing with other devices.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V logic systems.
- Q: What is the package type?
- A: It comes in a 20-TSSOP package with a 4.50mm width.
- Q: What is the output current capability?
- A: It can sink/source 24mA, providing moderate drive strength for bus lines.
NCA8245-DTSTR.pdf
- Q: What is the logic family of the NCA8245-DTSTR?
- A: It is based on the 245 logic family, which is a standard octal bus transceiver architecture.
- Q: What is the function of this IC?
- A: It is a single-channel bus transceiver, providing bidirectional data transfer between two buses.
- Q: What is the output type?
- A: The outputs are 3-State, allowing for bus sharing with other devices.
- Q: What is the operating voltage range?
- A: It operates from 4.5V to 5.5V, suitable for 5V logic systems.
- Q: What is the package type?
- A: It comes in a 20-TSSOP package with a 4.50mm width.
- Q: What is the output current capability?
- A: It can sink/source 24mA, providing moderate drive strength for bus lines.