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MFG:FSC  Package Cooled:DIP, SOIC-Wide, SOP  D/C:08+  

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Part Number: DM74ALS240A

 

MFG: FSC

Package Cooled: DIP, SOIC-Wide, SOP

D/C: 08+

Description: These octal 3-STATE bus drivers are designed to provide the designer with flexibility in implementing a bus interface w...


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DM74ALS240A General Description


These octal 3-STATE bus drivers are designed to provide the designer with flexibility in implementing a bus interface with memory, microprocessor, or communication systems. The output 3-STATE gating control is organized into two separate groups of four buffers. The DM74ALS240A control inputs symmetrically enable the respective outputs when set logic LOW, while the DM74ALS241A has complementary enable gating. The 3-STATE circuitry contains a feature that maintains the buffer outputs in 3-STATE (high impedance state) during power supply ramp-up or rampdown. This eliminates bus glitching problems that arise during power-up and power-down.

DM74ALS240A Maximum Ratings

Supply Voltage, VCC .................................................................7V
Input Voltage ...........................................................................7V
Voltage Applied to Disabled Output ......................................5.5V
Operating Free Air Temperature Range ................. 0°C to +70°C
Storage Temperature Range .............................-65°C to +150°C
Typical qJA
    N Package .................................................................60.5°C/W
    M Package ................................................................79.8°C/W

DM74ALS240A Features

 Advanced low power oxide-isolated ion-implanted Schottky TTL process
Functional and pin compatible with the DM74LS counterpart
Improved switching performance with less power dissipation compared with the DM74LS counterpart
Switching response specified into 500W and 50 pF load
Switching response specifications guaranteed over full temperature and VCC supply range
PNP input design reduces input loading
Low level drive current: 74ALS = 24 mA

DM74ALS240A datasheet

DM74ALS240A
PDF/DataSheet Download

  • Datasheet: DM74ALS240A
  • File Size: 80727 KB
  • Manufacturer: FAIRCHILD [Fairchild Semiconductor]
  • Click here to Download

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