PCA9539PW,118 NXP Semiconductors I/O Expander, I2C, Serial, SMBus, With Interrupt, 400kHz, 16 I/O, 2.3V to 5.5V, 135uA, Open Drain, SMD TSSOP-24, -40°C ~ +85°C, 200mW, Tape & Reel 0 Price From $0.4533
PCA9539PW,118 SPLIT_PACK NXP Semiconductors PLEASE NOTE **SPLIT PACK** I/O Expander, I2C, Serial, SMBus, With Interrupt, 400kHz, 16 I/O, 2.3V to 5.5V, 135uA, Open Drain, SMD TSSOP-24, -40°C ~ +85°C, 200mW, Tape & Reel 0 Price From $0.3830
PCA9557D,118 SPLIT_PACK NXP Semiconductors PLEASE NOTE **SPLIT PACK** I/O Expander, I2C, Serial, SMBus, Without Interrupt, 400kHz, 8 I/O, 2.3V to 5.5V, 19uA, Open Drain, SMD SOIC-16, -40°C ~ +85°C, 200mW, Tape & Reel 0 Price From $0.4337
PCF8574T/3 SPLIT_PACK NXP Semiconductors PLEASE NOTE **SPLIT PACK** I/O Expander, I2C, With Interrupt, 100kHz, 8 I/O, 2.3V to 6V, Push-Pull, SMD SO-16, -40°C ~ +85°C, Tube 0 Price From $0.5158