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MC74AC646

Features: • Independent Registers for A and B Buses• Multiplexed RealTime and Stored Data Transfers• Choice of True and Inverting Data Paths• 3State Outputs• 300 mil Slim Dual InLine Package• Outputs Source/Sink 24 mA• 'ACT646 Has TTL Compatible InputsPino...

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MC74AC646: Features: • Independent Registers for A and B Buses• Multiplexed RealTime and Stored Data Transfers• Choice of True and Inverting Data Paths• 3State Outputs• 300 mil Sl...

MC74AC646 Data Sheet

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Part Number:
MC74AC646
Supply Ability:
5000

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

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Upload time: 2024/11/27

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Product Details

Description



Features:

• Independent Registers for A and B Buses
• Multiplexed RealTime and Stored Data Transfers
• Choice of True and Inverting Data Paths
• 3State Outputs
• 300 mil Slim Dual InLine Package
• Outputs Source/Sink 24 mA
• 'ACT646 Has TTL Compatible Inputs




Pinout

Connection Diagram


Specifications

Symbol
Parameter
Value
Unit
VCC
 DC Supply Voltage (Referenced to GND)
0.5 to +7.0
V
Vin
 DC Input Voltage (Referenced to GND)
0.5 to VCC +0.5
V
Vout
 DC Output Voltage (Referenced to GND)
0.5 to VCC +0.5
V
Iin
 DC Input Current, per Pin
±20
mA
Iout
 DC Output Sink/Source Current, per Pin
±50
mA
ICC
 DC VCC or GND Current per Output Pin
±50
mA
Tstg
 Storage Temperature
65 to +150
* Maximum Ratings are those values beyond which damage to the device may occur. Functional operation
  should be restricted to the Recom-mended Operating Conditions.


Description

The MC74AC646/74ACT646 consist of registered bus transceiver circuits, with outputs, Dtype flipflops MC74AC646 and control circuitry providing multiplexed transmission of data directly from the input bus or from the internal storage registers. Data on the A or B bus will be loaded into the respective registers on the LOWtoHIGH transition of the appropriate clock pin (CAB or CBA). The four fundamental data handling functions available are illustrated Figures 1 to 4.




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