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SN54AS245

Features: * 4.5-V to 5.5-V VCC Operation* Max tpd of 5.5 ns at 5 V* 3-State Outputs Drive Bus Lines Directly* pnp Inputs Reduce dc LoadingPinoutSpecificationsSupply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .... . . . . ....

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SeekIC No. : 004496685 Detail

SN54AS245: Features: * 4.5-V to 5.5-V VCC Operation* Max tpd of 5.5 ns at 5 V* 3-State Outputs Drive Bus Lines Directly* pnp Inputs Reduce dc LoadingPinoutSpecificationsSupply voltage, VCC . . . . . . . . . . ...

SN54AS245 Data Sheet

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Part Number:
SN54AS245
Supply Ability:
5000

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

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Product Details

Description



Features:

* 4.5-V to 5.5-V VCC Operation
* Max tpd of 5.5 ns at 5 V
* 3-State Outputs Drive Bus Lines Directly
* pnp Inputs Reduce dc Loading


Pinout

Connection Diagram


Specifications

Supply voltage, VCC  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  ... . . . . .7 V
Input voltage, VI: All inputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 7 V
                             I/O ports  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .5.5 V
Package thermal impedance, JA (see Note 1): DB package . . . . . . . . . . . . . . . . . . . . . . .  .  . . . 70/W
                                                                           DW package  . . . . . . . . . . . . . . . . . . . . . . ..  . . .58/W
                                                                           N package  . . . . . . . . . . . . . . . . . . . . . . . . .  . . .69/W
                                                                           NS package  . . . . . . . . . . . . . . . . . . . . . . . .  . . .60/W
Storage temperature range  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . .65 to 150


Description

These octal bus transceivers SN74ALS245A are designed for asynchronous two-way communication between data buses. The control-function implementation minimizes external timing requirements.

The SN74ALS245A allow data transmission from the A bus to the B bus or from the B bus to the A bus, depending uponthe logic level at the direction-control (DIR) input. The output-enable (OE) input of SN74ALS245A can be used to disable the device so that the buses are effectively isolated.

The -1 version of the SN74ALS245A is identical to the standard version, except that the recommended maximum IOL is increased to 48 mA. There is no -1 version of the SN54ALS245A.




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