These devices contain two independent 4-input positive-NAND 50-ohm line drivers. They perform the Boolean function Y = ABCD.
The SN54S140 is characterized for operation over the full military temperature range of -55°C to 125°C. The SN74S140 is characterized for operation from 0°C to 70°C.
| Technology family | S |
| Supply voltage (min) (V) | 4.75 |
| Supply voltage (max) (V) | 5.25 |
| Number of channels | 2 |
| Inputs per channel | 4 |
| IOL (max) (mA) | 60 |
| IOH (max) (mA) | -40 |
| Input type | Bipolar |
| Output type | Push-Pull |
| Features | Very high speed (tpd 5-10ns) |
| Data rate (max) (Mbps) | 50 |
| Rating | Catalog |
| Operating temperature range (°C) | 0 to 70 |
| PDIP (N) | 14 | 181.42 mm² 19.3 x 9.4 |
| SOIC (D) | 14 | 51.9 mm² 8.65 x 6 |
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