| PartNumber | 74AC11257DBRG4 | 74AC11257DBRE4 | 74AC11257DBR |
| Description | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-Line-1-Line Data Sel/Multipl | Encoders, Decoders, Multiplexers & Demultiplexers Quad 2-to-1 Data Slct/Mltpx W/3St Otp | IC QUAD SELECTOR/MUX 20-SSOP |
| Manufacturer | Texas Instruments | Texas Instruments | - |
| Product Category | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| RoHS | Y | Y | - |
| Product | Multiplexers | Multiplexers | - |
| Logic Family | AC | 74AC | - |
| Number of Input Lines | 8 Input | 2 Input | - |
| Number of Output Lines | 4 Output | 1 Output | - |
| Propagation Delay Time | 9 ns at 3.3 V, 6.5 ns at 5 V | 9 ns at 3.3 V, 6.5 ns at 5 V | - |
| Supply Voltage Min | 3 V | 3 V | - |
| Supply Voltage Max | 5.5 V | 5.5 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | SSOP-20 | SSOP-20 | - |
| Packaging | Reel | Reel | - |
| Function | Multiplexer | Multiplexer | - |
| Height | 1.95 mm | 1.95 mm | - |
| Length | 7.2 mm | 7.2 mm | - |
| Technology | CMOS | CMOS | - |
| Width | 5.3 mm | 5.3 mm | - |
| Brand | Texas Instruments | Texas Instruments | - |
| Logic Type | CMOS | Selectors/Multiplexers | - |
| High Level Output Current | - 24 mA | - 24 mA | - |
| Low Level Output Current | 24 mA | 24 mA | - |
| Operating Supply Voltage | 5 V | 3 V to 5.5 V | - |
| Product Type | Encoders, Decoders, Multiplexers & Demultiplexers | Encoders, Decoders, Multiplexers & Demultiplexers | - |
| Factory Pack Quantity | 1 | 1 | - |
| Subcategory | Logic ICs | Logic ICs | - |
| Unit Weight | 0.016000 oz | 0.016000 oz | - |
| Number of Bits | - | 4 bit | - |
| Number of Circuits | - | Quad | - |