1. An integrated circuit, comprising: an antifuse; a first programming current terminal; a second programming current terminal; a third programming current terminal; a programming current multiplexer circuit having a first input lead coupled to said first programming current terminal, a second input lead coupled to said second programming current terminal, a third input lead coupled to said third programming current terminal, and an output lead; and an electrical connection coupling said antifuse to said output lead of said programming current multiplexer circuit.