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| Part Number | 74VHCT240AM | 74VHCT240AMX | 74VHCT540AM | 74VHCT245AM | 74VHCT244AM | 74VHCT240AN |
|---|---|---|---|---|---|---|
| Manufacturer | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | Fairchild Semiconductor | onsemi | onsemi |
| Product Status | Obsolete | Obsolete | Obsolete | Active | Obsolete | Obsolete |
| Logic Type | Buffer, Inverting | Buffer, Inverting | Buffer, Inverting | Buffer, Non-Inverting | Buffer, Non-Inverting | Buffer, Inverting |
| Number of Elements | 2 | 2 | 1 | 1 | 2 | 2 |
| Number of Bits per Element | 4 | 4 | 8 | 8 | 4 | 4 |
| Input Type | - | - | - | - | - | - |
| Output Type | 3-State | 3-State | 3-State | 3-State | 3-State | 3-State |
| Current - Output High, Low | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA | 8mA, 8mA |
| 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 |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Through Hole |
| Package / Case | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-SOIC (0.295", 7.50mm Width) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-SOIC | 20-PDIP |
