I/O Expanders
Devices in this family are used in conjunction with microcontrollers, microprocessors, or similar devices for the purpose of increasing the number of signal connections available for connecting peripheral devices. The typical concept of operation involves the use of serial communications requiring only a few I/O lines on the host device to read/write the status of many input/output pins on the expander device. The technique exchanges speed of communication for increased connectivity, and is best suited for applications where fast response is not critical, such as in many human interface applications.
Image | Part Number | Availability | Unit Price | RFQ/BUY | Package | Description |
---|---|---|---|---|---|---|
PCA9673DB,112 NXP USA Inc. |
4,696 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
PCA9671PW,112 NXP USA Inc. |
4,035 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9670PW,112 NXP USA Inc. |
7,990 In Stock |
N/A | RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9674TS,112 NXP USA Inc. |
3,637 In Stock |
N/A | RFQ | 20-SSOP | IC I/O EXPANDER I2C 8B 20SSOP | |
PCA9674PW,112 NXP USA Inc. |
4,421 In Stock |
N/A | RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9674N,112 NXP USA Inc. |
7,509 In Stock |
N/A | RFQ | 16-DIP | IC I/O EXPANDER I2C 8B 16DIP | |
PCA9674ATS,112 NXP USA Inc. |
5,629 In Stock |
N/A | RFQ | 20-SSOP | IC I/O EXPANDER I2C 8B 20SSOP | |
PCA9674D,512 NXP USA Inc. |
3,973 In Stock |
N/A | RFQ | 16-SO | IC I/O EXPANDER I2C 8B 16SOIC | |
PCA9674AN,112 NXP USA Inc. |
2,309 In Stock |
N/A | RFQ | 16-DIP | IC I/O EXPANDER I2C 8B 16DIP | |
PCA9674APW,112 NXP USA Inc. |
6,645 In Stock |
$0.7900 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9674AD,512 NXP USA Inc. |
4,607 In Stock |
N/A | RFQ | 16-SO | IC I/O EXPANDER I2C 8B 16SOIC | |
PCA9502BS,157 NXP USA Inc. |
5,061 In Stock |
N/A | RFQ | 24-HVQFN (4x4) | IC I/O EXPANDER I2C/SPI 24HVQFN | |
PCA9554TS,112 NXP USA Inc. |
8,947 In Stock |
N/A | RFQ | 20-SSOP | IC I/O EXPANDER I2C 8B 20SSOP | |
PCA8575PW,112 NXP USA Inc. |
1,797 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA8575DK,118 NXP USA Inc. |
7,015 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
PCA8575DB,112 NXP USA Inc. |
3,760 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
PCA8575D,112 NXP USA Inc. |
91 In Stock |
N/A | RFQ | 24-SO | IC I/O EXPANDER I2C 16B 24SOIC | |
PCA9554ATS,112 NXP USA Inc. |
4,231 In Stock |
N/A | RFQ | 20-SSOP | IC I/O EXPANDER I2C 8B 20SSOP | |
PCA9539PW,112 NXP USA Inc. |
7,412 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9538PW,112 NXP USA Inc. |
6,459 In Stock |
$0.7400 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9536D,112 NXP USA Inc. |
4,105 In Stock |
N/A | RFQ | 8-SO | IC I/O EXPANDER I2C 4B 8SOIC | |
PCA9538D,112 NXP USA Inc. |
3,882 In Stock |
N/A | RFQ | 16-SO | IC I/O EXPANDER I2C 8B 16SOIC | |
PCA9534PW,112 NXP USA Inc. |
5,424 In Stock |
$0.9000 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9500D,118 NXP USA Inc. |
8,198 In Stock |
$0.9500 Min: 1 |
RFQ | 16-SO | IC I/O EXPANDER I2C 8B 16SOIC | |
PCA9502BS,151 NXP USA Inc. |
4,548 In Stock |
N/A | RFQ | 24-HVQFN (4x4) | IC I/O EXPANDER I2C/SPI 24HVQFN |