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| Part Number | 74ACT158SJ | 74ACT258SJ | 74ACT158SJX | 74ACT138SJ | 74ACT151SJ | 74ACT153SJ | 74ACT157SJ | 74ACT158SC | 
|---|---|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | Fairchild Semiconductor | Fairchild Semiconductor | National Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | 
| Product Status | Obsolete | Obsolete | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete | 
| Type | Multiplexer | Multiplexer | Multiplexer | Decoder/Demultiplexer | Multiplexer | - | Multiplexer | Multiplexer | 
| Circuit | 4 x 2:1 | 4 x 2:1 | 4 x 2:1 | 1 x 3:8 | 1 x 8:1 | - | 4 x 2:1 | 4 x 2:1 | 
| Independent Circuits | 1 | 1 | 1 | 1 | 1 | - | 1 | 1 | 
| Current - Output High, Low | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | 24mA, 24mA | - | 24mA, 24mA | 24mA, 24mA | 
| Voltage Supply Source | Single Supply | Single Supply | Single Supply | Single Supply | Single Supply | - | Single Supply | Single Supply | 
| Voltage - Supply | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 4.5V ~ 5.5V | - | 4.5V ~ 5.5V | 4.5V ~ 5.5V | 
| Operating Temperature | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | -40°C ~ 85°C | - | -40°C ~ 85°C | -40°C ~ 85°C | 
| Mounting Type | Through Hole | Surface Mount | Through Hole | Surface Mount | Surface Mount | - | Surface Mount | Surface Mount | 
| Package / Case | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.209", 5.30mm Width) | 16-DIP (0.300", 7.62mm) | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.209", 5.30mm Width) | - | 16-SOIC (0.209", 5.30mm Width) | 16-SOIC (0.154", 3.90mm Width) | 
| Supplier Device Package | 16-PDIP | 16-SOP | 16-PDIP | 16-SOP | 16-SOP | - | 16-SOP | 16-SOIC |