| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 20 Pin |
| Digital Logic Level | TTL |
| Supply Voltage (DC) | 4.75 V to 5.25 V |
| Case/Package | 20PDIP |
| Number of Outputs | 8 Output |
| Supply Current | 13.0 mA |
| Number of Circuits | 8 Circuit |
| Number of Bits | 8 Bit |
| Propagation Delay Max (tpd) | 15.0 ns |
| Voltage Nodes | 5.00 V |
| Quiescent Current | 24.0 mA |
| Output Current Drive | -625 µA |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
The SN74LS540N is an octal Buffer/Line Driver with 3-state outputs. It is designed to have the performance of the popular SN74LS240 series and at the same time, offers a pin-out having the inputs and outputs. This arrangement greatly enhances printed circuit board layout. The 3-state control gate is a 2-input NOR such that if either G1\ or G2\ are high, all eight outputs are in the high-impedance state. The SN74LS540 is characterized for operation from 0 to 70°C.
● Offers inverting data at the outputs
● PNP Inputs reduce DC loading
● Hysteresis at inputs improves noise margins
● Data flow-thru pin-out
● 3-state Outputs drive bus lines or buffer memory address registers
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