Communication interface chip UART485/232

The NLAST4051 is an improved version of the MC14051 and MC74HC4051 fabricated on a sub-micron silicon-gate CMOS process to reduce RDS(on) resistance and improve linearity at low currents. The device can operate from single or dual supplies up to +/- 3 V to pass 6 VPP signals without coupling capacitors. When operating in single-supply mode, only pin 7 of VEE needs to be connected to ground. For dual-supply operation, VEE is connected to a negative voltage and must not exceed the maximum rating. Transition functions are provided in the device, address and inhibit are compatible with standard TTL levels. See NLAS4051 for CMOS compatibility. Pin compatible with all industry standard versions of "4051".

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