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SN54AS879

Features: • 3-State Bus Driving Outputs• Full Parallel-Access for Loading• Buffered Control Inputs• Choice of True or Inverting Logic 'ALS878A, 'AS878 True Outputs 'ALS879A, 'AS879 Inverting Outputs• Synchronous Clear• Package Options Include Plastic Small Outli...

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SeekIC No. : 004496723 Detail

SN54AS879: Features: • 3-State Bus Driving Outputs• Full Parallel-Access for Loading• Buffered Control Inputs• Choice of True or Inverting Logic 'ALS878A, 'AS878 True Outputs 'ALS879A, ...

SN54AS879 Data Sheet

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Part Number:
SN54AS879
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:

• 3-State Bus Driving Outputs
• Full Parallel-Access for Loading
• Buffered Control Inputs
• Choice of True or Inverting Logic
  'ALS878A, 'AS878 True Outputs
  'ALS879A, 'AS879 Inverting Outputs
• Synchronous Clear
• Package Options Include Plastic Small
  Outline Packages, Both Plastic and
  Ceramic Chip Carriers, and Standard
  Plastic and Ceramic 300-mil DIPs
• Dependable Texas Instruments Quality and Reliability


Pinout

Connection Diagram


Specifications

Supply voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 V
Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7 V
Voltage applied to a disabled 3-state output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5.5 V
Operating free-air temperature range: SN54ALS878A, SN54ALS879A . . . . . . . . . . . . . . .55°C to 125°C
SN74ALS878A, SN74ALS879A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .    0°C to 70°C
Storage temperature range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65°C to 150°C


Description

These dual 4-bit registers feature 3-state outputs designed specifically for bus driving. This makes SN54AS879 particularly suitable for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.

The dual 4-bit edge-triggered flip-flops enter data on the low-to-high transition of the clock (1CLK and 2CLK). SN54AS879 has individual synchronous clear inputs and output control pins for each group of 4-bit registers.

The SN54ALS' and SN54AS' devices are characterized for operation over the full military temperature range of 55°C to 125°C. The SN74ALS' and SN74AS' devices are characterized for operation from 0°C to 70°C.




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