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74164245
16-Bit 2.5V To 3.3V/3.3V TO 5V Level-Shifting Transceiver with 3-State Outputs
Schematic Symbol
Pin Configuration (48 pins)
| Pin | Name | Type |
|---|---|---|
| 47 | 1A1 | bidirectional |
| 46 | 1A2 | bidirectional |
| 44 | 1A3 | bidirectional |
| 43 | 1A4 | bidirectional |
| 41 | 1A5 | bidirectional |
| 40 | 1A6 | bidirectional |
| 38 | 1A7 | bidirectional |
| 37 | 1A8 | bidirectional |
| 36 | 2A1 | bidirectional |
| 35 | 2A2 | bidirectional |
| 33 | 2A3 | bidirectional |
| 32 | 2A4 | bidirectional |
| 30 | 2A5 | bidirectional |
| 29 | 2A6 | bidirectional |
| 27 | 2A7 | bidirectional |
| 26 | 2A8 | bidirectional |
| 48 | 1~{OE} | input |
| 1 | 1DIR | input |
| 25 | 2~{OE} | input |
| 24 | 2DIR | input |
| 31 | VCCA | power_in |
| 42 | VCCA | power_in |
| 7 | VCCB | power_in |
| 18 | VCCB | power_in |
| 2 | 1B1 | bidirectional |
| 3 | 1B2 | bidirectional |
| 5 | 1B3 | bidirectional |
| 6 | 1B4 | bidirectional |
| 8 | 1B5 | bidirectional |
| 9 | 1B6 | bidirectional |
| 11 | 1B7 | bidirectional |
| 12 | 1B8 | bidirectional |
| 13 | 2B1 | bidirectional |
| 14 | 2B2 | bidirectional |
| 16 | 2B3 | bidirectional |
| 17 | 2B4 | bidirectional |
| 19 | 2B5 | bidirectional |
| 20 | 2B6 | bidirectional |
| 22 | 2B7 | bidirectional |
| 23 | 2B8 | bidirectional |
| 4 | GND | power_in |
| 10 | GND | power_in |
| 15 | GND | power_in |
| 21 | GND | power_in |
| 28 | GND | power_in |
| 34 | GND | power_in |
| 39 | GND | power_in |
| 45 | GND | power_in |
Footprint
This symbol has no default footprint. It's typically a generic part where the footprint depends on the package you choose.