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SN74LS240DWR Breakout
IC BUFFER 5V 20-SOIC OCTAL INVERTING
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Octal inverting buffer and line driver with 5V operation. Provides high-current outputs suitable for driving buses, lamps, and transmission lines. Separate output enable inputs allow independent control of two groups of four buffers, making it ideal for multiplexing and bus interface applications.
Package: SOIC-20W (7.5mm wide) · 20 pins
Why does this need a breakout?
The 1.27mm pin pitch makes hand-soldering this 20-pin SOIC challenging and error-prone. A breakout board brings all pins to standard 0.1" spacing, enabling reliable breadboard prototyping and simplifying development of USB-to-UART interfaces without requiring reflow soldering or specialized equipment.
Component specifications
ELECTRICAL CHARACTERISTICS
| Manufacturer | Texas Instruments |
| Part Number | SN74LS240DWR |
| Package | SOIC-20W (7.5mm wide) |
| Pin Count | 20 |
| Logic Type | Buffer, Inverting |
| Number of Bits per Element | 4 |
| Number of Elements | 2 |
| Output Type | 3-State |
| Voltage - Supply | 4.75V ~ 5.25V |
What's Included
BILL OF MATERIALS
- 1x SN74LS240DWR soldered onto breakout PCB
- Pin headers pre-soldered (2.54mm / 0.1" pitch)
- All IC pins broken out to 2.54mm headers
Breakout Board Design
PCB SPECIFICATIONS