Texas Instruments SN74HC245DBR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.37 | $0.37 |
| 15+ | $0.36 | $5.40 |
| 25+ | $0.35 | $8.75 |
| 50+ | $0.33 | $16.50 |
| 100+ | $0.29 | $29.00 |
| N+ | $0.06 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Cut Tape (CT) | Tape & Reel (TR) |
| 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 | Surface Mount |
| Package / Case | 20-SSOP (0.209", 5.30mm Width) |
| Supplier Device Package | 20-SSOP |
| ROHS |  |
The SN74HC245DBR is an octal bus transceiver from Texas Instruments, part of the 74HC logic family. It operates from 2V to 6V and provides 7.8mA output current per channel. The 3-state outputs and bidirectional capability make it ideal for bus interfacing and level shifting. Packaged in a 20-SSOP, it is suitable for space-constrained designs.
- Compact SSOP Package: Saves board space compared to wider packages, ideal for dense designs.
- Wide Supply Voltage Range (2V to 6V): Compatible with both 3.3V and 5V systems, simplifying design.
- Bidirectional Data Flow: Reduces component count by allowing data transfer in both directions.
- 3-State Outputs: Provides bus isolation and multiplexing capability, enhancing system flexibility.
Compact Bus Interface
Use the SN74HC245DBR in space-constrained designs where a smaller SSOP package is preferred. It provides the same functionality as the TSSOP version but with a different footprint, ideal for dense PCB layouts.
Bidirectional Level Shifting
With a 2V to 6V supply range, this transceiver can shift signals between 3.3V and 5V logic levels. The DIR pin controls the direction, enabling communication between mixed-voltage systems.
Data Bus Buffering in Embedded Systems
Buffer the data bus between a microcontroller and external memory or peripherals. The 8-bit width and 3-state outputs allow for efficient bus management and expansion.
Industrial Sensor Data Acquisition
Transfer data from multiple industrial sensors to a central controller. The wide temperature range (-40°C to 85°C) ensures reliable operation in harsh environments.
Peripheral Power Management
Use the OE pin to completely isolate peripherals from the bus during low-power modes. This reduces leakage current and extends battery life in portable devices.
Test Equipment Signal Switching
Route test signals in automated test equipment. The bidirectional capability and 3-state outputs allow for flexible signal routing between different test modules.
- Q: What is the logic family of the SN74HC245DBR?
- A: It belongs to the 74HC family, a high-speed CMOS logic family known for its wide operating voltage range.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which is 8-bit wide, allowing simultaneous transfer of 8 data lines.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the device to be placed in a high-impedance state for bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it suitable for both 3.3V and 5V applications.
- Q: What package is this device available in?
- A: It is offered in a 20-pin SSOP package (0.209" width, 5.30mm).
SN74HC245DBR.pdf
- Q: What is the logic family of the SN74HC245DBR?
- A: It belongs to the 74HC family, a high-speed CMOS logic family known for its wide operating voltage range.
- Q: What is the function of this IC?
- A: It is a non-inverting transceiver, enabling bidirectional data transfer between two buses.
- Q: How many channels does it have?
- A: It has 1 channel, which is 8-bit wide, allowing simultaneous transfer of 8 data lines.
- Q: What is the output type?
- A: The outputs are 3-State, allowing the device to be placed in a high-impedance state for bus isolation.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it suitable for both 3.3V and 5V applications.
- Q: What package is this device available in?
- A: It is offered in a 20-pin SSOP package (0.209" width, 5.30mm).
