| TYPE | DESCRIPTION |
|---|
| Mounting Style | Through Hole |
| Number of Pins | 16 Pin |
| Supply Voltage (DC) | 4.50V ~ 5.50V |
| Case/Package | DIP-16 |
| Number of Outputs | 4 Output |
| Contacts Type | DPST |
| Number of Circuits | 4 Circuit |
| Number of Channels | 4 Channel |
| Number of Positions | 16 Position |
| Number of Bits | 4 Bit |
| Polarity | Non-Inverting |
| Voltage Nodes | 5.00 V |
| Power Dissipation | 830 mW |
| Bandwidth | 28.0 MHz |
| Output Current Drive | -1.00 mA |
| Number of Inputs | 8 Input |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Supply Voltage | 4.5V ~ 5.5V |
| Supply Voltage (Max) | 5.5 V |
| Supply Voltage (Min) | 4.5 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Active |
| Packaging | Tube |
| Size-Length | 19.3 mm |
| Size-Width | 6.35 mm |
| Size-Height | 4.57 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The SN74HCT257N is a 2-to-1 quadruple Data Selector/Multiplexer with 3-state outputs. It is designed to multiplex signals from 4-bit data sources to 4-output data lines in bus-organized systems. The 3-state outputs do not load the data lines when the OE\ input is at the high logic level. To ensure the high-impedance state during power up or power down, OE\ should be tied to VCC through a pull-up resistor, the minimum value of the resistor is determined by the current-sinking capability of the driver.
● Typical tpd = 17ns
● Inputs are TTL-voltage compatible
● Provide bus interface from multiple sources in high-performance systems
● Buffered inputs and outputs
● 80µA Maximum low power consumption
● ±6mA Output drive at 5V
● 1µA Maximum low input current
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