| Part Number | MM74HCT640WM | MM74HCT540WM |
|---|---|---|
| Manufacturer | National Semiconductor | onsemi |
| Category | Logic - Buffers, Drivers, Receivers, Transceivers | Logic - Buffers, Drivers, Receivers, Transceivers |
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| Product Status | Active | Obsolete |
| Logic Type | - | Buffer, Inverting |
| Number of Elements | - | 1 |
| Number of Bits per Element | - | 8 |
| Input Type | - | - |
| Output Type | - | 3-State |
| Current - Output High, Low | - | 7.2mA, 7.2mA |
| Voltage - Supply | - | 4.5V ~ 5.5V |
| Operating Temperature | - | -40°C ~ 85°C (TA) |
| Mounting Type | - | Surface Mount |
| Package / Case | - | 20-SOIC (0.295", 7.50mm Width) |
| Supplier Device Package | - | 20-SOIC |