4000 series cmos logic surface mount texas instruments cd4011bm cmos quadruple 2 input nand gate ic cd4000 family 4011 base number 3 to 18v supply voltage 45ns propagation delay 05w power 14 soic 55 to 125c cd4023b nand gates provide the system designer with direct implementation of the nand function and supplement the existing family of cmos gates all inputs and outputs are buffered texas instruments cd4011bm quad 2 input nand gate