Technical Specifications
Parameters and characteristics commom to parts in this series
| Specification | SN74HCT540DW | 74HCT540 Series |
|---|---|---|
| Current - Output High, Low [custom] | 6 mA | 6 mA |
| Current - Output High, Low [custom] | 6 mA | 6 mA |
| Logic Type | Inverting, Buffer | Inverting, Buffer |
| Mounting Type | Surface Mount | Surface Mount, Through Hole |
| Number of Bits per Element | 8 | 8 |
| Number of Elements [custom] | 1 | 1 |
| Operating Temperature [Max] | 85 °C | 85 - 125 °C |
| Operating Temperature [Min] | -40 °C | -55 - -40 °C |
| Output Type | 3-State | 3-State |
| Package / Case | 7.5 mm, 0.295 in | 0.295 - 7.5 mm |
| Package / Case | 20-SOIC | 20-SOIC, 20-DIP |
| Package / Case | - | 0.3 in |
| Package / Case | - | 7.62 mm |
| Supplier Device Package | 20-SOIC | 20-SOIC, 20-PDIP |
| Voltage - Supply [Max] | 5.5 V | 5.5 V |
| Voltage - Supply [Min] | 4.5 V | 4.5 V |
Pricing
Prices provided here are for design reference only. For realtime values and availability, please visit the distributors directly
| Distributor | Package | Quantity | $ | |
|---|---|---|---|---|
| DigiKey | N/A | 1 | $ 1.12 | |
| 10 | $ 0.81 | |||
| 25 | $ 0.73 | |||
| 100 | $ 0.64 | |||
| 250 | $ 0.60 | |||
| 500 | $ 0.58 | |||
| 1000 | $ 0.56 | |||
| 2500 | $ 0.54 | |||
| 5000 | $ 0.52 | |||
| Digikey | Tube | 1 | $ 1.27 | |
| 10 | $ 1.14 | |||
| 25 | $ 1.08 | |||
| 100 | $ 0.89 | |||
| 250 | $ 0.83 | |||
| 500 | $ 0.73 | |||
| 1000 | $ 0.58 | |||
| 2500 | $ 0.54 | |||
| 5000 | $ 0.51 | |||
| Quest Components | N/A | 1 | $ 1.30 | |
| 1 | $ 0.77 | |||
| 1 | $ 2.16 | |||
| 3 | $ 1.73 | |||
| 5 | $ 1.08 | |||
| 7 | $ 0.62 | |||
| 17 | $ 0.35 | |||
| Rochester Electronics | N/A | 1 | $ 0.71 | |
| 25 | $ 0.69 | |||
| 100 | $ 0.66 | |||
| 500 | $ 0.64 | |||
| 1000 | $ 0.60 | |||
| TME | N/A | 3 | $ 1.00 | |
| 10 | $ 0.89 | |||
| 25 | $ 0.81 | |||
| 100 | $ 0.71 | |||
| 250 | $ 0.63 | |||
| Verical | N/A | 453 | $ 0.83 | |
| 500 | $ 0.79 | |||
| 1000 | $ 0.75 | |||
| Win Source Electronics | N/A | 95 | $ 0.55 | |
| 225 | $ 0.45 | |||
| 345 | $ 0.44 | |||
| 475 | $ 0.42 | |||
| 610 | $ 0.41 | |||
| 820 | $ 0.37 | |||
74HCT540 Series
8-ch, 4.5-V to 5.5-V inverters with TTL-compatible CMOS inputs and 3-state outputs
| Part | Output Type | Supplier Device Package | Voltage - Supply [Max] | Voltage - Supply [Min] | Package / Case | Package / Case | Number of Elements [custom] | Current - Output High, Low [custom] | Current - Output High, Low [custom] | Operating Temperature [Max] | Operating Temperature [Min] | Mounting Type | Logic Type | Number of Bits per Element | Package / Case | Package / Case |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Texas Instruments SN74HCT540DW | 3-State | 20-SOIC | 5.5 V | 4.5 V | 0.295 in, 7.5 mm | 20-SOIC | 1 | 6 mA | 6 mA | 85 °C | -40 °C | Surface Mount | Buffer, Inverting | 8 | ||
Texas Instruments CD74HCT540M96 | 3-State | 20-SOIC | 5.5 V | 4.5 V | 0.295 in, 7.5 mm | 20-SOIC | 1 | 6 mA | 6 mA | 125 °C | -55 C | Surface Mount | Buffer, Inverting | 8 | ||
Texas Instruments SN74HCT540DWR | 3-State | 20-SOIC | 5.5 V | 4.5 V | 0.295 in, 7.5 mm | 20-SOIC | 1 | 6 mA | 6 mA | 85 °C | -40 °C | Surface Mount | Buffer, Inverting | 8 | ||
Texas Instruments CD74HCT540E | 3-State | 20-PDIP | 5.5 V | 4.5 V | 20-DIP | 1 | 6 mA | 6 mA | 125 °C | -55 C | Through Hole | Buffer, Inverting | 8 | 0.3 in | 7.62 mm | |
Texas Instruments CD74HCT540M | 3-State | 20-SOIC | 5.5 V | 4.5 V | 0.295 in, 7.5 mm | 20-SOIC | 1 | 6 mA | 6 mA | 125 °C | -55 C | Surface Mount | Buffer, Inverting | 8 |
Description
General part information
74HCT540 Series
These octal buffers and line drivers are designed to have the performance of the ’HCT240 devices and a pinout with inputs and outputs on opposite sides of the package. This arrangement greatly facilitates printed circuit board layout.
The 3-state control gate is a 2-input NOR. If either output-enable (OE1\ or OE2\) input is high, all eight outputs are in the high-impedance state. The ’HCT540 devices provide inverted data at the outputs.
To ensure the high-impedance state during power up or power down, OE\ should be tied to VCCthrough a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.
Documents
Technical documentation and resources