Digital potentiometer X9511

X9511 is a non-volatile digitally controlled potentiometer manufactured using digital integrated circuit manufacturing technology. It consists of a five-bit binary counter, a five-bit electrically rewritable read-only memory (E2PROM), a storage and clear control circuit, and a thirty-digit binary counter. It consists of a two-choice decoder circuit, a transmission gate and a resistor array. The pins and functions are as shown in the figure.