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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Bulk | |
| Part Status | Active |
| Logic Type | Transceiver, Non-Inverting |
| Number of Elements | 1 |
| Number of Bits per Element | 8 |
| Input Type | - |
| Output Type | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Grade | - |
| Qualification | - |
| Mounting Type | - |
| Package / Case | - |
| Supplier Device Package | - |
The SN74HC659NT from Texas Instruments is a single-channel non-inverting transceiver from the 74HC family. It operates from 2V to 6V, making it versatile for both 3.3V and 5V systems. The 3-state output allows bidirectional bus communication with high-impedance control. It provides 7.8mA drive current, suitable for driving capacitive loads. This transceiver is ideal for bus interfacing, level shifting, and industrial control applications where bidirectional data flow is required. Its wide voltage range ensures compatibility with legacy and modern logic.
- Bidirectional Operation: Simplifies data bus design by allowing data flow in both directions.
- Wide Supply Range (2V-6V): Works with 3.3V and 5V logic, reducing power supply complexity.
- 3-State Outputs: Enables multiple devices to share a bus without contention.
- High Drive Current (7.8mA): Ensures reliable signal integrity over longer PCB traces.
- Proven 74HC Family: Industry-standard logic with wide availability and design support.
Bidirectional Data Bus for Microcontrollers
The transceiver function allows bidirectional data flow between two buses, ideal for memory-mapped I/O expansion.
5V Legacy System Interfacing
With 2V to 6V operation, it interfaces legacy 5V peripherals with 3.3V controllers, providing level translation.
Industrial Control Logic
3-State outputs enable multiple sensors to share a single data line, reducing wiring in PLC systems.
Automotive ECU Communication
Operates at 5V with 7.8mA drive, buffering CAN or LIN transceiver signals in engine control units.
Test Equipment Signal Routing
Bidirectional capability allows switching between measurement points without additional mux ICs.
Memory Address/Data Buffering
Buffers address/data lines in retro computing projects, ensuring clean signals over longer traces.
- Q: What is the logic family of the SN74HC659NT?
- A: It belongs to the 74HC (High-Speed CMOS) family, offering a balance of speed and power.
- Q: What is the function of this IC?
- A: It is a transceiver with non-inverting logic, capable of bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel, suitable for bidirectional signal routing.
- Q: What is the output type?
- A: It features 3-State outputs, allowing the device to be placed in high-impedance mode for bus sharing.
- Q: What is the voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and 5V systems.
- Q: What is the package?
- A: The package is not specified in the data; please refer to the datasheet for package options.
SN74HC659NT.pdf
- Q: What is the logic family of the SN74HC659NT?
- A: It belongs to the 74HC (High-Speed CMOS) family, offering a balance of speed and power.
- Q: What is the function of this IC?
- A: It is a transceiver with non-inverting logic, capable of bidirectional data flow.
- Q: How many channels does it have?
- A: It has 1 channel, suitable for bidirectional signal routing.
- Q: What is the output type?
- A: It features 3-State outputs, allowing the device to be placed in high-impedance mode for bus sharing.
- Q: What is the voltage range?
- A: It operates from 2V to 6V, compatible with TTL, CMOS, and 5V systems.
- Q: What is the package?
- A: The package is not specified in the data; please refer to the datasheet for package options.