TYPE | DESCRIPTION |
---|
Mounting Style | Through Hole |
Number of Pins | 16 Pin |
Digital Logic Level | TTL |
Supply Voltage (DC) | 4.75V ~ 5.25V |
Case/Package | DIP-16 |
Number of Outputs | 1 Output |
Supply Current | 6.10 mA |
Number of Circuits | 1 Circuit |
Number of Channels | 1 Channel |
Number of Positions | 16 Position |
Number of Bits | 8 Bit |
Polarity | Non-Inverting, Inverting |
Voltage Nodes | 5.00 V |
Power Dissipation | 0.035 W |
Quiescent Current | 7.10 mA |
Bandwidth | 35.0 MHz |
Output Current Drive | -325 µA |
Number of Inputs | 8 Input |
Operating Temperature (Max) | 70 ℃ |
Operating Temperature (Min) | 0 ℃ |
Power Dissipation (Max) | 35 mW |
Supply Voltage | 4.75V ~ 5.25V |
Supply Voltage (Max) | 5.25 V |
Supply Voltage (Min) | 4.75 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tube |
Operating Temperature | 0℃ ~ 70℃ |
The SN74LS251N is a 8-to-1 Data Selector/Multiplexer with 3-state outputs. It contains full on-chip binary decoding to select one-of-eight data sources and feature a strobe-controlled three-state output. The strobe must be at a low logic level to enable these devices. The three-state outputs permit a number of outputs to be connected to a common bus. When the strobe input is high, both outputs are in a high-impedance state in which both the upper and lower transistors of each totem-pole output are off and the output neither drives nor loads the bus significantly. When the strobe is low, the outputs are activated and operate as standard TTL totem-pole outputs. To minimize the possibility that two outputs will attempt to take a common bus to opposite logic levels, the output control circuitry is designed so that the average OD time is shorter than the average output enable time.
● Three state outputs interface directly with system bus
● Perform parallel-to-serial conversion
● Permit multiplexing from N-lines to one line
● Complementary outputs provide true and inverted data
● Fully compatible with most TTL circuits
TI
DATA SELECTORS/ΜULTIPLEXERS WITH 3-STATE OUTPUTS
TI
TEXAS INSTRUMENTS SN74LS251N Data Selector / Multiplexer, 3-State Outputs, LS Family, 1Channels, 8:1, 4.75V to 5.25V, DIP-16
TI
TEXAS INSTRUMENTS SN74LS251D Data Selector / Multiplexer, 3-State Outputs, LS Family, 1Channels, 8:1, 4.75V to 5.25V, SOIC-16
TI
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