Texas Instruments SN74HC245APWR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.62 | $0.62 |
| 15+ | $0.60 | $9.00 |
| 25+ | $0.59 | $14.75 |
| 50+ | $0.55 | $27.50 |
| 100+ | $0.49 | $49.00 |
| N+ | $0.10 | Price Inquiry |
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| Product attributes | Property Value |
| Manufacturer | Texas Instruments |
| Product Series | 74HC |
| Packaging | Marketplace | Cut Tape (CT) |
| 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-TSSOP (0.173", 4.40mm Width) |
| Supplier Device Package | 20-TSSOP |
| ROHS |  |
The SN74HC245APWR is a high-speed CMOS octal bus transceiver from Texas Instruments, designed for bidirectional data communication. Operating from 2V to 6V, it delivers 7.8mA output current per channel. The non-inverting 3-State outputs allow direct connection to shared buses. Its 20-TSSOP package is ideal for space-constrained PCBs. Typical applications include microprocessor systems, memory buffering, and industrial control interfaces.
- Wide 2V to 6V Supply Range: Compatible with both 3.3V and 5V systems, simplifying mixed-voltage design.
- Bidirectional Transceiver Function: Enables flexible data flow control with a single DIR pin, reducing component count.
- 3-State Outputs: Allows multiple devices to share a bus without contention, improving system reliability.
- High Output Current (7.8mA): Drives capacitive loads and long traces, maintaining signal integrity.
- Industry-Standard 74HC Family: Ensures broad availability and proven performance in diverse applications.
Bidirectional Bus Interfacing
Use the SN74HC245APWR to connect two data buses in microprocessor systems. Its 3-State outputs and direction control (DIR) allow data flow in either direction without bus contention.
Memory Address/Data Buffering
Buffer address or data lines between a CPU and memory modules. The high-current outputs (7.8mA) can drive multiple loads, ensuring signal integrity over longer PCB traces.
Level Shifting for Mixed-Voltage Systems
With a 2V to 6V supply range, it can interface between 3.3V and 5V logic domains. The non-inverting transceiver function preserves data polarity while providing necessary drive strength.
Industrial Control I/O Expansion
In PLCs and industrial controllers, use it to expand digital I/O ports. The 3-State outputs allow multiple peripherals to share a common data bus safely.
Automotive ECU Communication
For automotive electronic control units, this transceiver buffers sensor data and control signals. Its wide temperature range (-40°C to 85°C) suits under-hood environments.
Test Equipment and Instrumentation
In bench testers and data acquisition systems, the SN74HC245APWR provides clean, buffered signal routing between measurement modules and display/control units.
- Q: What logic family does the SN74HC245APWR belong to?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with non-inverting outputs, designed for bidirectional asynchronous communication.
- Q: How many channels does it have?
- A: It has 8 channels (1 channel of 8 bits).
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.
SN74HC245APWR.pdf
- Q: What logic family does the SN74HC245APWR belong to?
- A: It belongs to the 74HC (High-Speed CMOS) logic family.
- Q: What is the function of this IC?
- A: It is an octal bus transceiver with non-inverting outputs, designed for bidirectional asynchronous communication.
- Q: How many channels does it have?
- A: It has 8 channels (1 channel of 8 bits).
- Q: What is the output type?
- A: It features 3-State outputs for bus-oriented applications.
- Q: What is the operating voltage range?
- A: It operates from 2V to 6V, making it compatible with TTL and CMOS logic levels.
- Q: What package is available?
- A: It comes in a 20-TSSOP (Thin Shrink Small Outline Package) with a 4.40mm width.
