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SN74ALS645A

Features: • Bidirectional Bus Transceivers in High-Density 20-Pin Packages• True Logic• 3-State Outputs• Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPsPinoutSpecificationsSupply ...

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SeekIC No. : 004498174 Detail

SN74ALS645A: Features: • Bidirectional Bus Transceivers in High-Density 20-Pin Packages• True Logic• 3-State Outputs• Package Options Include Plastic Small-Outline (DW) Packages, Ceramic ...

SN74ALS645A Data Sheet

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Part Number:
SN74ALS645A
Supply Ability:
5000

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  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

• Bidirectional Bus Transceivers in
   High-Density 20-Pin Packages
• True Logic
• 3-State Outputs
• Package Options Include Plastic
   Small-Outline (DW) Packages, Ceramic
   Chip Carriers (FK), and Standard Plastic (N)
   and Ceramic (J) 300-mil DIPs


Pinout

Connection Diagram


Specifications

Supply voltage, VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Input voltage, VI: All inputs  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  . . . . . . . . . . .7 V
                             I/O ports  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . .5.5 V
Operating free-air temperature range, TA:SN54ALS645A  . . . . . . . . . . . . . . . . . ...... . . .55 to 125
                                                                  SN74ALS645A  . . . . . . . . . . . . . . . . .  . . ...... . . . .0 to 70
Storage temperature range  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . ..... . . .65 to 150


Description

These SN74ALS645A and SN74AS645  octal bus transceivers are designed for asynchronous two-way communication between data buses. These devices transmit data from the A bus to the B bus or from the B bus to the A bus, depending on the level at the direction-control (DIR) input. The output-enable (OE) input can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS645A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN54ALS645A.The SN54ALS645A and SN54AS645 are characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ALS645A and SN74AS645 are characterized for operation from 0°C to 70°C.




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