| tPLH(max) | tPHL(max) | tPZH(max) | tPZL(max) | tPHZ(max) | tPLZ(max) | VOH(min) | VOL(max) | VIH(min) | VIL(max) | IOH(max) | IOL(max) | IIH(max) | IIL(max) | |
| ns | ns | ns | ns | ns | ns | V | V | V | V | mA | mA | uA | mA | |
| 74S244 (TI) | 9 | 9 | 12 | 15 | 9 | 15 | 2.4 | 0.55 | 2 | 0.8 | -15 | 64 | 50 | -2 |
| 74LS244 (TI) | 18 | 18 | 23 | 30 | 25 | 20 | 2.4 | 0.4 | 2 | 0.8 | -15 | 24 | 20 | -0.2 |
| 74ALS244 * (National) | 10 | 10 | 20 | 20 | 10 | 13 | 3 | 0.4 | 2 | 0.8 | -15 | 24 | 20 | -0.1 |
| 74F244 (Signetics) | 5.2 | 5.2 | 6.7 | 8 | 6 | 5.5 | 2.5 | 0.55 | 2 | 0.8 | -15 | 64 | 20 | -1 |
| 74HCT244 (TI) | 35 | 35 | 44 | 44 | 44 | 44 | 3.84 | 0.33 | 2 | 0.8 | -6 | 6 | ||
| 74HC244 ** (TI) | 29 | 29 | 38 | 38 | 38 | 38 | 3.84 | 0.33 | 3.15 | 0.9 | -6 | 6 | ||
| 74AC244 (TI) | 7 | 7 | 7 | 8 | 9 | 9 | 3.76 | 0.44 | 3.15 | 1.35 | -24 | 24 | ||
| 74ACT244 (TI) | 9 | 9 | 8.5 | 9.5 | 9.5 | 10 | 3.76 | 0.44 | 2 | 0.8 | -24 | 24 | ||
| 74BCT244 (TI) | 4.4 | 6 | 7.8 | 8.1 | 6.7 | 7.6 | 2 | 0.55 | 2 | 0.8 | -15 | 64 | 20 | -1 |
| 74ABT244 (TI) | 4.6 | 4.6 | 5.1 | 6.1 | 6.6 | 5.7 | 2 | 0.55 | 2 | 0.8 | -24 | 64 | ||
| 74FCT244T (Quality) | 3.8 | 3.8 | 5.6 | 5.6 | 5.2 | 5.2 | 2.4 | 0.55 | 2 | 0.8 | -15 | 64 | 5 | -0.005 |
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