74HCT series, Buffer Inverting, 3-State output, 1 element, 8 bits per element, 4.5V to 5.5V supply, 6mA output drive, -40°C to 125°C operating temperature.
| Parameter | Value |
|---|---|
| Series | 74HCT |
| Logic type | Buffer, Inverting |
| Output type | 3-State |
| Voltage | 4.5V ~ 5.5V |
| Current - output high, low | 6mA, 6mA |
| Operating temperature | -40°C ~ 125°C (TA) |
| Package | Bulk |
| Number of elements | 1 |
| Number of bits per element | 8 |
The 74HCT540TVELL-E is a single-element 8-bit inverting buffer from the 74HCT logic family, with 3-state outputs that let you float the bus when the output enable is deasserted. Output drive is 6mA source and 6mA sink, typical for HCT and enough for a few CMOS loads or a short trace, but not for driving a long backplane or a relay directly.
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