| Part number | : | SN74LS245N |
| Package | : | PDIP_20 |
| Number of pins | : | 20 |
| Description | : | OCTAL BUS TRANSCEIVERS WITH 3-STATE OUTPUTS |
| Diagram | : | Click here |
| Pin | Symbol | Description |
|---|---|---|
| 1 | DIR | Controls signal direction; LOW = Bx to Ax, HIGH = Ax to Bx |
| 2 | A1 | Channel 1, A side |
| 3 | A2 | Channel 2, A side |
| 4 | A3 | Channel 3, A side |
| 5 | A4 | Channel 4, A side |
| 6 | A5 | Channel 5, A side |
| 7 | A6 | Channel 6, A side |
| 8 | A7 | Channel 7, A side |
| 9 | A8 | Channel 8, A side |
| 10 | GND | Ground |
| 11 | B8 | Channel 8, B side |
| 12 | B7 | Channel 7, B side |
| 13 | B6 | Channel 6, B side |
| 14 | B5 | Channel 5, B side |
| 15 | B4 | Channel 4, B side |
| 16 | B3 | Channel 3, B side |
| 17 | B2 | Channel 2, B side |
| 18 | B1 | Channel 1, B side |
| 19 | OE | Output enable; LOW = all channels active, HIGH = all channels disabled |
| 20 | VCC | Power supply |