NXP
输入/输出扩展, 40bit, 1 MHz, I2C, SMBus, 2.3 V, 5.5 V, TSSOP
输入/输出扩展, 40bit, 400 kHz, I2C, 2.3 V, 5.5 V, TSSOP
输入/输出扩展, 8bit, 400 kHz, I2C, SMBus, 2.3 V, 5.5 V, SOIC