| PCA6408A | 8 | 1.65 | 5.5 | Y | 400 | 2 | Y | Y | 2 | Totem pole | 5.13 - 33.66 | TSSOP16, XQFN16, HVQFN16 | SOT403-1, SOT1161-1, SOT758-1 | -40~85 | |
| PCA6416A | 16 | 1.65 | 5.5 | Y | 400 | 2 | Y | Y | 2 | Totem pole | 9.61 - 52.14 | VFBGA24, TSSOP24, HWQFN24 | SOT1199-1, SOT355-1, SOT994-1 | -40~85 | |
| PCA8574/74A | 8 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Quasi | 33.66 - 111.83 | SO16, TSSOP16, SSOP20 | SOT162-1, SOT403-1, SOT266-1 | -40~85 | |
| PCA8575 | 16 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Quasi | 16.81 - 166.14 | HVQFN24, SO24, TSSOP24, SSOP24 | SOT616-1, SOT137-1, SOT355-1, SOT340-1 | -40~85 | |
| PCA9500 | 8 | 2.5 | 3.6 | Y | 400 | 1 | | | 8 | Quasi | 16.81, 111.83 | HVQFN16, SO16, TSSOP16 | SOT629-1, SOT162-1, SOT403-1 | -40~85 | EEPROM 2K byte |
| PCA9501 | 8 | 2.5 | 3.6 | Y | 400 | 1 | Y | | 64 | Quasi | 16.81, 111.83 | HVQFN20, TSSOP20, SO20 | SOT662-1, SOT360-1, SOT163-1 | -40~85 | EEPROM 2K byte |
| PCA9502BS | 8 | 2.5 | 3.6 | Y | 400 | 1 | Y | Y | 16 | Totem pole | 16.81 | HVQFN24 | SOT616-3 | -40~85 | I2C/SPI interface; I/O and interrupt latch |
| PCA9505/06 | 40 | 2.3 | 5.5 | Y | 400 | 1 | Y | Y | 8 | Totem pole | 65.61, 117.03 | HVQFN56, TSSOP56 | SOT684-1, SOT364-1 | -40~85 | Output enabled pin |
| PCA9534 | 8 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 9.61 - 111.83 | HVQFN16, SO16, TSSOP16 | SOT629-1, SOT758-1, SOT162-1, SOT403-1 | -40~85 | |
| PCA9535; PCA9535C | 16 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole, Open drain | 16.81 - 166.14 | HVQFN24, SO24, HWQFN24, TSSOP24 | SOT616-1, SOT137-1, SOT994-1, SOT355-1 | -40~85 | |
| PCA9535A | 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | |
| PCA9536 | 4 | 2.3 | 5.5 | Y | 400 | 1 | | | 1 | Totem pole | 9.61 - 31 | SO8, TSSOP8, HVSON8 | SOT96-1, SOT505-1, SOT908-1 | -40~85 | |
| PCA9537DP | 4 | 2.3 | 5.5 | Y | 400 | 1 | Y | Y | 1 | Totem pole | 15.5 | TSSOP10 | SOT552-1 | -40~85 | |
| PCA9538 | 8 | 2.3 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem pole | 16.81 - 111.83 | SO16, TSSOP16, HVQFN16 | SOT162-1, SOT403-1, SOT629-1 | -40~85 | |
| PCA9538A | 8 | 1.65 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem pole | 9.61, 33.66 | HVQFN16, TSSOP16 | SOT758-1, SOT403-1 | -40~85 | |
| PCA9539; PCA9539R | 16 | 2.3 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem pole | 16.81 - 166.14 | SO24, HVQFN24, TSSOP24 | SOT137-1, SOT616-1, SOT355-1 | -40~85 | Only I2C state machine is reset with hardware pin |
| PCA9539A | 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem pole | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | |
| PCA9554; PCA9554A | 8 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 9.61 - 111.83 | HVQFN16, SO16, TSSOP16, SSOP20, SSOP16 | SOT758-1, SOT162-1, SOT403-1, SOT266-1, SOT629-1, SOT338-1 | -40~85 | |
| PCA9554B; PCA9554C | 8 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 9.61, 33.66 | TSSOP16, HVQFN16 | SOT403-1, SOT758-1 | -40~85 | Sam address as PCA9554, Sam address as PCA9554A |
| PCA9555 | 16 | 2.3 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 16.81 - 166.14 | HVQFN24, SSOP24, HWQFN24, SO24, TSSOP24 | SOT616-1, SOT340-1, SOT994-1, SOT137-1, SOT355-1 | -40~85 | |
| PCA9555A | 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem pole | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | |
| PCA9557 | 8 | 2.3 | 5.5 | Y | 400 | 1 | | Y | 8 | Totem Pole/Open Drain | 16.81 - 56.84 | HVQFN16, TSSOP16, SO16 | SOT629-1, SOT403-1, SOT109-1 | -40~85 | Only bit 0 is open drain |
| PCA9558PW | 8 | 3 | 3.6 | Y | 400 | 1 | | | 2 | Open drain | 64.68 | TSSOP28 | SOT361-1 | 0~70 | EEPROM 2K byte, DIP switch |
| PCA9570 | 4 | 1.1 | 3.6 | | 1000 | 1 | | | 1 | Totem pole | 1.81 - 15.81 | XQFN8 | SOT1309-1, SOT902-2 | -40~85 | Output only |
| PCA9571 | | | | | | | | | | | | XQFN12 | SOT1174-1 | | |
| PCA9571BQ | | | | | | | | | | | | | | | |
| PCA9571PW | | | | | | | | | | | | | | | |
| PCA9574 | 8 | 1.1 | 3.6 | | 400 | 2 | Y | Y | 2 | Totem pole | 5.13 - 33.66 | TSSOP16, XQFN16, HVQFN16 | SOT403-1, SOT1161-1, SOT758-1 | -40~85 | |
| PCA9575 | 16 | 1.1 | 3.6 | | 400 | 3 | Y | Y | 1 | Totem pole | 16.81 - 64.68 | HWQFN24, TSSOP28, TSSOP24 | SOT994-1, SOT361-1, SOT355-1 | -40~85 | |
| PCA9670BS | 8 | 2.3 | 5.5 | Y | 1000 | 1 | | Y | 64 | Quasi | 9.61 | HVQFN16 | SOT758-1 | -40~85 | |
| PCA9670D | 8 | 2.3 | 5.5 | Y | 1000 | 1 | | Y | 64 | Quasi | 111.83 | SO16 | SOT162-1 | -40~85 | |
| PCA9670PW | 8 | 2.3 | 5.5 | Y | 1000 | 1 | | Y | 64 | Quasi | 33.66 | TSSOP16 | SOT403-1 | -40~85 | |
| PCA9671 | 16 | 2.3 | 5.5 | Y | 1000 | 1 | | Y | 64 | Quasi | 16.81 - 166.14 | TSSOP24, SO24, HVQFN24 | SOT355-1, SOT137-1, SOT616-1 | -40~85 | |
| PCA9672 | 8 | 2.3 | 5.5 | Y | 1000 | 1 | Y | Y | 16 | Quasi | 9.61 - 111.83 | TSSOP16, SO16, HVQFN16 | SOT403-1, SOT162-1, SOT758-1 | -40~85 | |
| PCA9673 | 16 | 2.3 | 5.5 | Y | 1000 | 1 | Y | Y | 16 | Quasi | 16.81 - 166.14 | TSSOP24, HVQFN24, SO24 | SOT355-1, SOT616-1, SOT137-1 | -40~85 | |
| PCA9674; PCA9674A | 8 | 2.3 | 5.5 | Y | 1000 | 1 | Y | | 64 | Quasi | 9.61 - 111.83 | TSSOP16, HVQFN16, SO16 | SOT403-1, SOT758-1, SOT162-1 | -40~85 | |
| PCA9675 | 16 | 2.3 | 5.5 | Y | 1000 | 1 | Y | | 64 | Quasi | 16.81 - 166.14 | HVQFN24, SO24, TSSOP24 | SOT616-1, SOT137-1, SOT355-1 | -40~85 | |
| PCA9698 | 40 | 2.3 | 5.5 | Y | 1000 | 1 | Y | Y | 64 | Totem Pole/Open Drain | 65.61, 117.03 | HVQFN56, TSSOP56 | SOT684-1, SOT364-1 | -40~85 | Output enabled pin |
| PCA9701; PCA9702 | | | | | | | | no | | | | SO24, HWQFN24, TSSOP24, TSSOP16 | SOT137-1, SOT994-1, SOT355-1, SOT403-1 | -40~125 | |
| PCA9703 | | | | | | | | no | | | | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~125 | |
| PCA9704PW | | | | | | | | | | | | TSSOP16 | SOT403-1 | | |
| PCA9745BTW | | | | | | | | | | | | HTSSOP28 | SOT1172-3 | | |
| PCAL6408A | 8 | 1.65 | 5.5 | Y | 400 | 2 | Y | Y | 2 | Totem Pole/Open Drain | 5.13 - 33.66 | TSSOP16, XQFN16, HVQFN16 | SOT403-1, SOT1161-1, SOT758-1 | -40~85 | Latched inputs, Agile I/O feature |
| PCAL6416A | 16 | 1.65 | 5.5 | Y | 400 | 2 | Y | Y | 2 | Totem Pole/Open Drain | 4.41 - 52.14 | XFBGA24, VFBGA24, TSSOP24, HWQFN24, UFBGA24 | SOT1342-1, SOT1199-1, SOT355-1, SOT994-1, SOT1361-1 | -40~85 | Latched inputs, Agile I/O feature |
| PCAL9535A | 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem Pole/Open Drain | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | Latched inputs, Agile I/O feature |
| PCAL9538A | 8 | 1.65 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem Pole/Open Drain | 9.61, 33.66 | HVQFN16, TSSOP16 | SOT758-1, SOT403-1 | -40~85 | Latched inputs, Agile I/O feature |
| PCAL9539A | 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | Y | 4 | Totem Pole/Open Drain | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | Latched inputs, Agile I/O feature |
| PCAL9554B; PCAL9554C | 8 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem Pole/Open Drain | 9.61, 33.66 | TSSOP16, HVQFN16 | SOT403-1, SOT758-1 | -40~85 | Latched inputs, Agile I/O feature, same address as PCA9554A, Latched inputs, Agile I/O feature, same address as PCA9554 |
| PCAL9555A | 8, 16 | 1.65 | 5.5 | Y | 400 | 1 | Y | | 8 | Totem Pole/Open Drain | 16.81, 52.14 | HWQFN24, TSSOP24 | SOT994-1, SOT355-1 | -40~85 | ILatched inputs, Agile I/O feature, Latched inputs, Agile I/O feature |
| PCF8574/74A | 8 | 2.5 | 6 | | 100 | 1 | Y | | 8 | Quasi | 43.56, 111.83 | SSOP20, SO16 | SOT266-1, SOT162-1 | -40~85 | |
| PCF8575CTS | 16 | 2.5 | 5.5 | | 400 | 1 | Y | | 8 | Open drain | 66.36 | SSOP24 | SOT340-1 | -40~85 | |
| PCF8575TS | 16 | 2.5 | 5.5 | | 400 | 1 | Y | | 8 | Quasi | 66.36 | SSOP24 | SOT340-1 | -40~85 | |
