CD74ACT257

Features: • CD74AC257, CD74ACT257 . . . . . 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 30...

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CD74ACT257 Picture
SeekIC No. : 004311914 Detail

CD74ACT257: Features: • CD74AC257, CD74ACT257 . . . . . Non-Inverting Outputs• CD74ACT258 . . . . . . . . . . . . . . . . . . . Inverting Outputs• Buffered Inputs• Typical Propagation De...

floor Price/Ceiling Price

Part Number:
CD74ACT257
Supply Ability:
5000

Price Break

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

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Upload time: 2024/11/21

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Product Details

Description



Features:

• CD74AC257, CD74ACT257 . . . . . 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 6V
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
 


Description

The CD74AC257, CD74ACT257 and CD74ACT258 are quad 2-input multiplexers with three-state outputs that utilize the Harris Advanced CMOS Logic technology. Each of these CD74ACT257 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 high-impedance 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 CD74AC257, CD74ACT257 and CD74ACT258. The state of the Select input determines the particular register from which the data comes. The CD74AC257, CD74ACT257 and CD74ACT258 can also be used as function generators.


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