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| Part Number | MC74HC640AN | MC74HC240AN | MC74HC540AN |
|---|---|---|---|
| Manufacturer | onsemi | onsemi | onsemi |
| Product Status | Active | Active | Obsolete |
| Logic Type | Transceiver, Inverting | Buffer, Inverting | Buffer, Inverting |
| Number of Elements | 1 | 2 | 1 |
| Number of Bits per Element | 8 | 4 | 8 |
| Input Type | - | - | - |
| Output Type | 3-State | 3-State | 3-State |
| Current - Output High, Low | 7.8mA, 7.8mA | 7.8mA, 7.8mA | 7.8mA, 7.8mA |
| Voltage - Supply | 2V ~ 6V | 2V ~ 6V | 2V ~ 6V |
| Operating Temperature | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) | -55°C ~ 125°C (TA) |
| Mounting Type | - | Through Hole | Through Hole |
| Package / Case | - | 20-DIP (0.300", 7.62mm) | 20-DIP (0.300", 7.62mm) |
| Supplier Device Package | - | 20-PDIP | 20-PDIP |
