 | PCA9555PWR | 7000 | Texas Instruments | 19+ | 24-TSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 16B 24TSSOP | 购买 |
| PCF8574AN | 1641 | Texas Instruments | 19+ | 16-DIP（0.300"，7.62mm） | | IC I/O EXPANDER I2C 8B 16DIP | 购买 |
| PCA9534PW | 1547 | Texas Instruments | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 16TSSOP | 购买 |
| PCA9554ADB | 1208 | Texas Instruments | 19+ | 16-SSOP（0.209"，5.30mm 宽） | | IC I/O EXPANDER I2C 8B 16SSOP | 购买 |
| PCA9554ADW | 1090 | Texas Instruments | 19+ | 16-SOIC（0.295"，7.50mm 宽） | | IC I/O EXPANDER I2C 8B 16SOIC | 购买 |
| PCA9538PW | 1430 | Texas Instruments | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 16TSSOP | 购买 |
| PCA9557DB | 1485 | Texas Instruments | 19+ | 16-SSOP（0.209"，5.30mm 宽） | | IC I/O EXPANDER I2C 8B 16SSOP | 购买 |
| PCF8575CPW | 1160 | Texas Instruments | 19+ | 24-TSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 16B 24TSSOP | 购买 |
| PCA9535DB | 1324 | Texas Instruments | 19+ | 24-SSOP（0.209"，5.30mm 宽） | | IC I/O EXPANDER I2C 16B 24SSOP | 购买 |
| PCA9539DB | 1180 | Texas Instruments | 19+ | 24-SSOP（0.209"，5.30mm 宽） | | IC I/O EXPANDER I2C 16B 24SSOP | 购买 |
| PCA9539DW | 1046 | Texas Instruments | 19+ | 24-SOIC（0.295"，7.50mm 宽） | | IC I/O EXPANDER I2C 16B 24SOIC | 购买 |
| PCA9536DP,118 | 11000 | NXP Semiconductors | 19+ | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） | | IC I/O EXPANDER I2C 4B 8TSSOP | 购买 |
| PCA9536DP,118 | 11000 | NXP Semiconductors | 19+ | 8-TSSOP，8-MSOP（0.118"，3.00mm 宽） | | IC I/O EXPANDER I2C 4B 8TSSOP | 购买 |
| PCA9536D,118 | 6000 | NXP Semiconductors | 19+ | 8-SOIC（0.154"，3.90mm 宽） | | IC I/O EXPANDER I2C 4B 8SOIC | 购买 |
| PCA9537DP,118 | 6000 | NXP Semiconductors | 19+ | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） | | IC I/O EXPANDER I2C 4B 10TSSOP | 购买 |
| PCA9537DP,118 | 6000 | NXP Semiconductors | 19+ | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） | | IC I/O EXPANDER I2C 4B 10TSSOP | 购买 |
| PCA9557PW,118 | 8500 | NXP Semiconductors | 19+ | 16-TSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 16TSSOP | 购买 |
| PCF8574TS/3,118 | 3500 | NXP Semiconductors | 19+ | 20-LSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 20SSOP | 购买 |
| PCF8574TS/3,118 | 3500 | NXP Semiconductors | 19+ | 20-LSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 20SSOP | 购买 |
| PCF8574ATS/3,118 | 8500 | NXP Semiconductors | 19+ | 20-LSSOP（0.173"，4.40mm 宽） | | IC I/O EXPANDER I2C 8B 20SSOP | 购买 |
