Texas Instruments SN74HC245DWR
| Quantity | Unit Price | Total Price |
|---|---|---|
| 1 | $0.41 | $0.41 |
| 15+ | $0.40 | $6.00 |
| 25+ | $0.39 | $9.75 |
| 50+ | $0.37 | $18.50 |
| 100+ | $0.32 | $32.00 |
| 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-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | 20-SOIC |
| ROHS |
The SN74HC245 is an octal non-inverting transceiver from the 74HC family, designed for bidirectional data transfer. It operates from 2V to 6V and provides 3-state outputs with 7.8mA drive capability. The DIR pin controls data direction, while the OE pin enables bus isolation. This transceiver is ideal for microprocessor systems, memory interfaces, and industrial control buses. Its 20-pin SOIC package is suitable for space-efficient PCB layouts.
- Bidirectional Operation: Allows data flow in both directions with a single IC.
- Wide 2V to 6V Supply Range: Compatible with 3.3V and 5V systems.
- 3-State Outputs: Provides bus isolation and prevents contention.
- High Drive Current (7.8mA): Ensures reliable signal transmission over bus lines.
Bidirectional Data Bus Transceiver
Enable data transfer between two buses in either direction using the DIR pin, ideal for memory and peripheral interfaces.
Level Shifting Between 3.3V and 5V
With a 2V to 6V supply range, it can translate signals between 3.3V and 5V logic domains when powered appropriately.
Bus Isolation and Buffering
Use the 3-state outputs to disconnect a bus segment when not in use, preventing loading and signal degradation.
Microprocessor System Expansion
Buffer address/data lines between a CPU and multiple peripherals, improving drive strength and signal integrity.
Industrial Control and Automation
With a -40°C to 85°C range, it is suitable for PLC backplanes and industrial communication buses.
Test and Measurement Equipment
Route test signals bidirectionally between a DUT and measurement instruments with controlled impedance.
- Q: What is the logic family of the SN74HC245?
- A: It belongs to the 74HC high-speed CMOS logic family.
- Q: What is the function and channel count?
- A: It is an octal (8-bit) non-inverting transceiver with bidirectional capability.
- Q: What is the output type?
- A: It features 3-state outputs on both A and B ports.
- Q: What is the voltage range?
- A: It operates from 2V to 6V, supporting a wide range of supplies.
- Q: What is the output current?
- A: It can source and sink 7.8mA per channel.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (7.50mm width) package.
- Q: What is the logic family of the SN74HC245?
- A: It belongs to the 74HC high-speed CMOS logic family.
- Q: What is the function and channel count?
- A: It is an octal (8-bit) non-inverting transceiver with bidirectional capability.
- Q: What is the output type?
- A: It features 3-state outputs on both A and B ports.
- Q: What is the voltage range?
- A: It operates from 2V to 6V, supporting a wide range of supplies.
- Q: What is the output current?
- A: It can source and sink 7.8mA per channel.
- Q: What package is available?
- A: It comes in a 20-pin SOIC (7.50mm width) package.

SN74HC245DWR.pdf