These octal bus transceivers are designed for asynchronous communication between data buses. The devices transmit data from the A bus to the B bus or from the B bus to the A bus depending upon the logic level at the direction-control (DIR) input. The output enable 
input can be used to disable the device so the buses are effectively isolated.
The SN74F245 is available in TI's shrink small-outline package (DB), which provides the same I/O pin count and functionality of standard small-outline packages in less than half the printed-circuit-board area.
The SN54F245 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74F245 is characterized for operation from 0°C to 70°C.
| Supply voltage (min) (V) | 4.5 |
| Supply voltage (max) (V) | 5.5 |
| Number of channels | 8 |
| IOL (max) (mA) | 64 |
| IOH (max) (mA) | -15 |
| Input type | TTL |
| Output type | TTL |
| Features | Very high speed (tpd 5-10ns) |
| Technology family | F |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| PDIP (N) | 20 | 228.702 mm² 24.33 x 9.4 |
| SOIC (DW) | 20 | 131.84 mm² 12.8 x 10.3 |
| SOP (NS) | 20 | 98.28 mm² 12.6 x 7.8 |
| SSOP (DB) | 20 | 56.16 mm² 7.2 x 7.8 |
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