7440 Dual 4-Input NAND Buffers
Pin Arrangement

Electrical Characteristics
| Input | Output | N | LS | ALS | ALS 1000 | F | S | AS | AS 1000 | HC | HCT | Unit [max] |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| - | H L | 22 | 24 | 8 | 9 | - | 6.5 | - | - | - | - | nS |
L H | 15 | 24 | 7 | 9 | - | 6.5 | - | - | - | - | nS |
| N | LS | ALS | ALS 1000 | F | S | AS | AS 1000 | Unit | ||
|---|---|---|---|---|---|---|---|---|---|---|
| All inputs | High | 40 | 20 | 20 | - | - | 100 | - | - | uA |
| Low | 1.6 | 0.36 | 0.1 | - | - | 4 | - | - | mA |
| N | LS | ALS | ALS 1000 | F | S | AS | AS 1000 | HC | HCT | Unit | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| All outputs | High | 1.2 | 1.2 | 2.6 | - | - | 3 | - | - | - | - | mA |
| Low | 48 | 24 | 24 | - | - | 60 | - | - | - | - | mA |
Reference
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