Purchase 54LS253, In-stock 54LS253 From SeekIC.
Part Number: 54LS253
Description: Each of these Schottky-clamped data selectors/multiplexers contains inverters and drivers to supply fu...
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54LS253
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Suppliers
DataSheet
General Description
54LS253 General Description
Each of these Schottky-clamped data selectors/multiplexers contains inverters and drivers to supply fully complementary,on-chip, binary decoding data selection to the AND-OR gates. Separate output control inputs are provided for each of the two four-line sections.
The TRI-STATE outputs can interface directly with data lines of bus-organized systems. With all but one of the common outputs disabled (at a high impedance state), the low impedance of the single enabled output will drive the bus line to a high or low logic level.
54LS253 Maximum Ratings
If Military/Aerospace specified devices are required,please contact the National Semiconductor Sales Office/Distributors for availability and specifications.
Supply Voltage ..................................................7V
Input Voltage ....................................................7V
Operating Free Air Temperature Range
DM54LS and 54LS......................... -55 to a125
DM74LS ..............................................0 to a70
Storage Temperature Range .........-65 to a150
Note: The "Absolute Maximum Ratings'' are those values beyond which the safety of the device cannot be guaranteed.The device should not be operated at these limits. The parametric values defined in the "Electrical haracteristics'' table are not guaranteed at the absolute maximum ratings. The "Recommended Operating onditions'' table will define the conditions for actual device operation.
Supply Voltage ..................................................7V
Input Voltage ....................................................7V
Operating Free Air Temperature Range
DM54LS and 54LS......................... -55 to a125
DM74LS ..............................................0 to a70
Storage Temperature Range .........-65 to a150
Note: The "Absolute Maximum Ratings'' are those values beyond which the safety of the device cannot be guaranteed.The device should not be operated at these limits. The parametric values defined in the "Electrical haracteristics'' table are not guaranteed at the absolute maximum ratings. The "Recommended Operating onditions'' table will define the conditions for actual device operation.
54LS253 Features
· TRI-STATE version of LS153 with same pinout
· Schottky-diode-clamped transistors
· Permit multiplexing from N-lines to one line
· Performs parallel-to-serial conversion
· Strobe/output control
· High fanout totem-pole outputs
· Typical propagation delay
Data to output 12 ns
Select to output 21 ns
·Typical power dissipation 35 mW
· Alternate Military/Aerospace device (54LS253) is available.
Contact a National Semiconductor Sales Office/Distributor for specifications
· Schottky-diode-clamped transistors
· Permit multiplexing from N-lines to one line
· Performs parallel-to-serial conversion
· Strobe/output control
· High fanout totem-pole outputs
· Typical propagation delay
Data to output 12 ns
Select to output 21 ns
·Typical power dissipation 35 mW
· Alternate Military/Aerospace device (54LS253) is available.
Contact a National Semiconductor Sales Office/Distributor for specifications
54LS253
PDF/DataSheet Download
- Datasheet: 54LS253
- File Size: 162194 KB
- Manufacturer: NSC [National Semiconductor]
- Click here to Download
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