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Part Number: MC74HC4351A
Description: The MC74HC4351A utilizes silicongate CMOS technology to achieve fast propagation delays, low ON resist...


Description: The MC74HC4351A utilizes silicongate CMOS technology to achieve fast propagation delays, low ON resist...
The MC74HC4351A utilizes silicongate CMOS technology to achieve fast propagation delays, low ON resistances, and low OFF leakage currents. These analog multiplexers/demultiplexers control analog voltages that may vary across the complete power supply range (from VCC to VEE).
The ChannelSelect inputs determine which one of the Analog Inputs/ Outputs is to be connected, by means of an analog switch, to the Common Output/Input. The data at the ChannelSelect inputs may be latched by using the activelow Latch Enable pin. When Latch Enable is high, the latc is transparent. When either Enable 1 (active low) or Enable 2 (active high) is inactive, all analog switches are turned off.
The ChannelSelect and Enable inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LSTTL outputs.
The device has been designed so the ON resistance (Ron) is more linear over input voltage than Ron of metalgate CMOS analog switches. For multiplexers/demultiplexers without latches, see the HC4051A, HC4052A, and HC4053A.
| Symbol | Parameter | Value | Unit |
| vcc | DC Supply Voltage (Referenced to GND) | 0.5 to +7.0 | V |
| VIN | DC Input Voltage (Referenced to GND) | 0.5 to VCC + 0.5 | V |
| VOUT | DC Output Voltage (Referenced to GND) | 0.5 to VCC + 0.5 | V |
| LIN | DC Input Current, per Pin | ±20 | mA |
| IOUT | DC Onput Current, per Pin | ±35 | mA |
| ICC | DC Supply Current Per Supply Pin | ±75 | mA |
| PD | Power dissipation in still air piastic DIP SOIC package |
750 500 |
mW |
| TSTG | Storage Temperature | 65 to +150 | °C |
| TL | Lead Temperature, 1 mm from Case for 10 Seconds (Plastic DIP or SOIC Package) |
260 |
°C |
MC74HC4351A
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