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NTE74HC257 IC Hi-Speed CMOS Multiplexer

Model:

NTE74HC257

 | Catalog #: 55050998
Price:
$1.22
$1.22
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  • Wide-power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • 3−state outputs
  • Buffered inputs
  • BUS line driving capability
  • High−current BUS driver outputs
  • Fanout (over temp range): standard outputs 10 LS−TTL loads, BUS driver outputs 15 LS−TTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LS−TTL logic ICs

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  • Typical propagation delay: 8ns
  • Wide-power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • 3−state outputs
  • Buffered inputs
  • High−current BUS driver outputs
  • Fanout (over temp range): standard outputs 10 LS−TTL loads, BUS driver outputs 15 LS−TTL loads
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  • Significant power reduction compared to LS−TTL logic ICs

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  • Absolute maximum ratings:*
    VCC: −0.5 to +7.0V
  • IIK, IOK: &plusnm;20mA
  • Per output IOUT: &plusnm;35mA
  • Sink current per output: &plusnm;25mA
  • ICC: &plusnm;70mA
  • Tj: +150°C
  • Tstg: −65°C to +150°C
  • RthJA: 69°C/W
  • TL: +300°C

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  • Absolute maximum ratings:*
    VCC: −0.5 to +7.0V
  • VIN: −1.5 to VCC +1.5V
  • VOUT: −0.5 to VCC + 0.5V
  • IIK, IOK: &plusnm;20mA
  • IOUT: &plusnm;25mA
  • ICC: &plusnm;50mA
  • PD: 600mW
  • Tstg: 600mW
  • TL: +260°C

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  • Absolute maximum ratings:*
    VCC: −0.5 to +7.0V
  • VIN: −1.5 to VCC +1.5V
  • VOUT: −0.5 to VCC + 0.5V
  • IIK, IOK: &plusnm;20mA
  • IOUT: &plusnm;25mA
  • Per-pin ICC: &plusnm;50mA
  • PD: 600mW
  • Tstg: −65°C to +150°C
  • TL: +260°C

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  • Absolute maximum ratings:*
    VCC: −0.5 to +7.0V
  • VIN: −1.5 to VCC +1.5V
  • VOUT: −0.5 to VCC + 0.5V
  • IIK, IOKL &plusnm;20mA
  • Per-pin IOUT: &plusnm;35mA
  • ICC: &plusnm;70mA
  • PD: 600mW
  • Tstg: −65°C to +150°C
  • TL: +260°C

See Full Product Description

Get free ground shipping on DIY parts and specialty batteries..  More details
   Free Ground Shipping on orders over $25.  More details

Availability:

ONLINE In stock
Usually ships in 1 - 2 business days


Go to Product Detail Page
Product Summary

The NTE74HC257 is a quad 2−input multiplexer in a 16−lead DIP-type package which selects four bits of data from two sources under the control of common Select Input (S). The Output Enable input (OE) is active LOW. When OE is HIGH, all of the outputs (1Y−4Y) 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 NTE74HC257. The state-of-the-Select input determines the particular register from which the data comes. It can also be used as a function generator.

  • Wide-power supply range: 2V to 6V
  • High-noise immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
  • Buffered inputs
  • Typical propagation delay (in to output): 12ns at VCC = 5V, CL = 15pF, TA = +25°C
  • Fanout (over temp range): standard outputs 10 LS−TTL loads, bus driver outputs 15 LS−TTL loads
  • Balanced propagation delay and transition times
  • Significant power reduction compared to LS−TTL logic ICs
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