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74HC151 IC – (SMD Package) – 8 – Input Multiplexer IC (74151 IC)

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The 74HC151 high speed Digital multiplexer utilizes advanced silicon-gate CMOS technology. Along with the high noise immunity and low power dissipation of standard CMOS integrated circuits, it possesses the ability to drive 10 LS-TTL loads. The 74HC151 selects one of the 8 data sources, depending on the address presented on the A, B, and C inputs. It features both true (Y) and complement (W) outputs. The STROBE input must be at a low logic level to enable this multiplexer. A high logic level at the STROBE forces the W output HIGH and the Y output LOW. The 74HC logic family is functionally as well as pin-out compatible with the standard 74LS logic family. All inputs are protected from damage due to static discharge by internal diode clamps to VCC and ground.


  • Typical propagation delay data select to output Y: 26 ns
  • Wide operating supply voltage range: 2–6V
  • Low input current: 1 µA maximum
  • Low quiescent supply current: 80 µA maximum (74HC)
  • High output drive current: 4 mA minimum


Symbol Parameter Value Unit
VCC Supply Voltage − 0.5 to + 7.0V V
VIN DC Input Voltage  − 1.5 to VCC + 1.5V V
VOUT DC Output Voltage − 0.5 to VCC + 0.5V V
IIK, IOK Clamp Diode Current ± 20 mA
IOUT DC Output Current, per pin ± 25 mA
ICC DC VCC or GND Current, per pin ± 50 mA
TSTG Storage Temperature Range − 65°C to + 150 °C
PD Power Dissipation 500  mW
TL Lead Temperature 260 °C


* product image for illustration purposes only. actual product may vary.


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