CD74HC251
CD74HC251 Description
High Speed CMOS Logic 8-Input Multiplexer with 3-State Outputs
CD74HC251 Vendor
Texas Instruments
CD74HC251 Categories
CD74HC251 Features
  • Selects One of Eight Binary Data Inputs
  • Three-State Output Capability
  • True and Complement Outputs
  • Typical (Data to Output) Propagation Delay of 14ns at VCC = 5V, CL = 15pF, TA = 25°C
  • Fanout (Over Temperature Range)
    • Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
    • Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
  • Wide Operating Temperature Range . . . -55°C to 125°C
  • Balanced Propagation Delay and Transition Times
  • Significant Power Reduction Compared to LSTTL Logic ICs
  • Alternate Source is Philips
  • HC Types
    • 2V to 6V Operation
    • High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • HCT Types
    • 4.5V to 5.5V Operation
    • Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
    • CMOS Input Compatibility, Il 1µA at VOL, VOH
CD74HC251 Datasheet and Application Notes
ParameterValue
Voltage Nodes (V)
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