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CD54ACT257

Features: • 'AC257, 'ACT257. . . . . . . . . . . . . Non-Inverting Outputs• CD74ACT258 . . . . . . . . . . . . . . . . . . . Inverting Outputs• Buffered Inputs• Typical Propagation Delay - 4.4ns at VCC = 5V, TA = 25, CL = 50pF• Exceeds 2kV ESD Protection MIL-STD-883, ...

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SeekIC No. : 004311574 Detail

CD54ACT257: Features: • 'AC257, 'ACT257. . . . . . . . . . . . . Non-Inverting Outputs• CD74ACT258 . . . . . . . . . . . . . . . . . . . Inverting Outputs• Buffered Inputs• Typical Propa...

CD54ACT257 Data Sheet

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Part Number:
CD54ACT257
Supply Ability:
5000

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

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Product Details

Description



Features:

• 'AC257, 'ACT257. . . . . . . . . . . . . Non-Inverting Outputs
• CD74ACT258 . . . . . . . . . . . . . . . . . . . Inverting Outputs
• Buffered Inputs
• Typical Propagation Delay
   - 4.4ns at VCC = 5V, TA = 25, CL = 50pF
• Exceeds 2kV ESD Protection MIL-STD-883, Method 3015
• SCR-Latchup-Resistant CMOS Process and Circuit Design
• Speed of Bipolar FAST™/AS/S with Significantly Reduced Power Consumption
• Balanced Propagation Delays
• AC Types Feature 1.5V to 5.5V Operation and Balanced Noise Immunity at 30% of the Supply
• ±24mA Output Drive Current
   - Fanout to 15 FAST™ ICs Drives 50W Transmission Lines


Pinout

Connection Diagram


Specifications

DC Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to 7V
DC Input Diode Current, IIK
For VI < -0.5V or VI > VCC + 0.5V . . . . . . . . . . . . . . . . . . . . .±20mA
DC Output Diode Current, IOK
For VO < -0.5V or VO > VCC + 0.5V . . . . . . . . . . . . . . . . . . ...±50mA
DC Output Source or Sink Current per Output Pin, IO
For VO > -0.5V or VO < VCC + 0.5V . . . . . . . . . . . . . . . . . . . .±50mA
DC VCC or Ground Current, ICC or IGND (Note 3) . . . . . . . . .±100mA
3. For up to 4 outputs per device, add ±25mA for each additional output.


Description

The 'AC257, 'ACT257 and CD74ACT258 are quad 2-input multiplexers with three-state outputs that utilize Advanced CMOS Logic technology. Each of these devices selects four bits of data from two sources under the control of a common Select input (S). The Output Enable (OE) is active LOW. When OE is HIGH, all of the outputs (Y or Y) are in the highimpedance state regardless of all other input conditions. Moving data from two groups of registers to four common output buses is a common use of the 'AC257, 'ACT257, and CD74ACT258. The state of the Select input determines the particular register from which the data comes. The 'AC257, 'ACT257 and CD74ACT258 can also be used as function generators.




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