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DM74S251PC, DM74S253, DM74S253J

Table of contents:
Info of DM74S251PC
Info of DM74S253
Info of DM74S253J

DM74S251PC, DM74S253, DM74S253J Selling Leads, Datasheet

MFG:NS Package Cooled:9030 D/C:DIP20

DM74S251PC, DM74S253, DM74S253J Datasheet download

Five Points

Part Number: DM74S251PC

MFG: NS

Package Cooled: 9030

D/C: DIP20

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DM74S253 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 3-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 enable output will drive the bus line to a HIGH or LOW logic level.

DM74S253 Maximum Ratings

Supply Voltage . . . . . . . . .  . . . . . . . . . . . .   . . . . . . . . . . . .   . . . . . . . . . . . . . . . 7V
Input Voltage  . . . . . . . . . . . .   . . . . . . . . . . . .   . . . . . . . . . . . .   . . . . . . . . . . . 5.5V
Operating Free Air Temperature Range  . . . . . . . . . . . .   . . . . . . . . . 0°C to +70°C
Storage Temperature Range  . . . . . . . . . . . .   . . . . . . . . . . . . . . −65°C to +150°C

Note 1: 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 Characteristics tables are not guaranteed at the absolute maximum ratings. The "Recommended Operating Conditions" table will define the conditions for actual device operation.

DM74S253 Features

· 3-STATE version of S153 with same pin-out
· Schottky-diode-clamped transistors
· Permits multiplexing from N lines to 1 line
· Performs parallel-T-serial conversion
· Strobe/output control
· High fan-out totem-pole outputs
· Typical propagation delay
From data to output 6 ns
From select to output 12 ns
· Typical power dissipation 275 mW

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