CQ82C55AZ
Intersil (Renesas Electronics America)
IS82C55AZ
PCA9570GMH
NXP Semiconductors
PCA9571GUX
PCA9536D,118
PCA6408ABSHP
PCA6408APW,118
MCP23009T-E/SS
Roving Networks / Microchip Technology
PCA9574BS,118
PCA9538APWJ
PCA8574APW,118
PCA8574D,518
PCA9534D,118
PCA9554AD,118
PCA9554D,118
PCA9554ADB,118
PCA9554ADB,112
PCA9554DB,118
PCA8574PW,118
PCA9674PW,118