| PartNumber | SN74ALS240A-1DBR | SN74ALS240A-1DBRE4 | SN74ALS240A-1DBRG4 |
| Description | IC BUFFER INVERT 5.5V 20SSOP | IC BUFFER INVERT 5.5V 20SSOP | IC BUFFER INVERT 5.5V 20SSOP |
| Manufacturer | Texas Instruments | Texas Instruments | Texas Instruments |
| Product Category | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
| Series | 74ALS | 74ALS | 74ALS |
| Packaging | Tape & Reel (TR) | Tape & Reel (TR) | Tape & Reel (TR) |
| Package Case | 20-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) | 20-SSOP (0.209", 5.30mm Width) |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Voltage Supply | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V | 4.5 V ~ 5.5 V |
| Supplier Device Package | 20-SSOP | 20-SSOP | 20-SSOP |
| Number of Elements | 2 | 2 | 2 |
| Current Output High Low | 15mA, 48mA | 15mA, 48mA | 15mA, 48mA |
| Logic Type | Buffer/Line Driver, Inverting | Buffer/Line Driver, Inverting | Buffer/Line Driver, Inverting |
| Number of Bits per Element | 4 | 4 | 4 |