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| Part Number | DM74LS125AM | DM74LS126AM | DM74LS125AN | 
|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | 
| Product Status | Obsolete | Active | Obsolete | 
| Logic Type | Buffer, Non-Inverting | Buffer, Non-Inverting | Buffer, Non-Inverting | 
| Number of Elements | 4 | 4 | 4 | 
| Number of Bits per Element | 1 | 1 | 1 | 
| Input Type | - | - | - | 
| Output Type | - | 3-State | 3-State | 
| Current - Output High, Low | 2.6mA, 24mA | 2.6mA, 24mA | 2.6mA, 24mA | 
| Voltage - Supply | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 4.75V ~ 5.25V | 
| Operating Temperature | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 0°C ~ 70°C (TA) | 
| Mounting Type | Surface Mount | Surface Mount | Through Hole | 
| Package / Case | 14-SOIC (0.154", 3.90mm Width) | 14-SOIC (0.209", 5.30mm Width) | 14-DIP (0.300", 7.62mm) | 
| Supplier Device Package | 14-SOIC | 14-SOIC | 14-MDIP |