The MC74HC4051A, MC74HC4052A and MC74HC4053A utilize 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 HC4051A, HC4052A and HC4053A are identical in pinout to the metalgate MC14051AB, MC14052AB and MC14053AB. 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. When the Enable pin is HIGH, 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.
These devices have been designed so that the ON resistance (Ron) is more linear over input voltage than Ron of metalgate CMOS analog switches.
For a multiplexer/demultiplexer with injection current protection, see HC4851A and HC4852A.
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• Fast Switching and Propagation Speeds• Low Crosstalk Between Switches• Diode Protection on All Inputs/Outputs• Analog Power Supply Range (VCC VEE) = 2.0 to 12.0 V• Digital (Control) Power Supply Range (VCC GND) = 2.0 to 6.0 V• Improved Linearity and Lower ON Resistance Than MetalGate Counterparts• Low Noise• In Compliance With the Requirements of JEDEC Standard No. 7A• Chip Complexity: HC4051A - 184 FETs or 46 Equivalent GatesHC4052A - 168 FETs or 42 Equivalent GatesHC4053A - 156 FETs or 39 Equivalent Gates
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