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| Part Number | DM74S257N | DM74S258N | DM74AS257N | DM74S157N | DM74S253N | DM74S257J |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor |
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active |
| Type | Multiplexer | Multiplexer | Multiplexer | Multiplexer | Multiplexer | - |
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 2 x 4:1 | - |
| Independent Circuits | 1 | 1 | 1 | 1 | 1 | - |
| Current - Output High, Low | 6.5mA, 20mA | 6.5mA, 20mA | 15mA, 48mA | 1mA, 20mA | 6.5mA, 20mA | - |
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply | - |
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.5V ~ 5.5V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | - |
| Operating Temperature | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | 0°C ~ 70°C | - |
| Mounting Type | Through Hole | Through Hole | Through Hole | Through Hole | Through Hole | - |
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | 16-DIP (0.300", 7.62mm) | - |
| Supplier Device Package | 16-PDIP | 16-PDIP | 16-PDIP | 16-PDIP | 16-PDIP | - |
