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 |
---|---|---|---|---|---|---|
PCA9675DK,118 NXP USA Inc. |
5,094 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
PCA9675BS,118 NXP USA Inc. |
7,152 In Stock |
N/A | RFQ | 24-HVQFN (4x4) | IC I/O EXPANDER I2C 16B 24HVQFN | |
PCA9673DK,118 NXP USA Inc. |
3,437 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
PCA9671D,118 NXP USA Inc. |
3,070 In Stock |
N/A | RFQ | 24-SO | IC I/O EXPANDER I2C 16B 24SOIC | |
PCA9671DK,118 NXP USA Inc. |
4,956 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24SSOP | |
CAT9555WI-T1 onsemi |
6,077 In Stock |
N/A | RFQ | 24-SOIC | IC I/O EXPANDER I2C 16B 24SOIC | |
CAT9554WI-GT2 onsemi |
2,436 In Stock |
N/A | RFQ | 16-SOIC | IC I/O EXPANDER I2C 8B 16SOIC | |
CAT9554AYI-GT2 onsemi |
1,918 In Stock |
$0.7300 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
CAT9554AWI-GT2 onsemi |
4,745 In Stock |
$0.7300 Min: 1 |
RFQ | 16-SOIC | IC I/O EXPANDER I2C 8B 16SOIC | |
TCA6408RGTR Texas Instruments |
1,834 In Stock |
N/A | RFQ | 16-VQFN (3x3) | IC I/O EXPANDER I2C 8B 16QFN | |
TCA6408PWR Texas Instruments |
2,833 In Stock |
N/A | RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA6107DWR Texas Instruments |
1,188 In Stock |
$1.1900 Min: 1 |
RFQ | 18-SOIC | IC I/O EXPANDER I2C 8B 18SOIC | |
PCA9555PW Texas Instruments |
2,852 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9554PW Texas Instruments |
968 In Stock |
$1.6100 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9539PW Texas Instruments |
41 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9534PW Texas Instruments |
1,840 In Stock |
N/A | RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCF8575PWRE4 Texas Instruments |
3,153 In Stock |
N/A | RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCF8575PWE4 Texas Instruments |
4,962 In Stock |
$1.0000 Min: 1 |
RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCF8575DBQRG4 Texas Instruments |
1,395 In Stock |
N/A | RFQ | 24-SSOP | IC I/O EXPANDER I2C 16B 24QSOP | |
PCF8575CDWE4 Texas Instruments |
5,313 In Stock |
$2.9483 Min: 1 |
RFQ | 24-SOIC | IC I/O EXPANDER I2C 16B 24SOIC | |
PCF8574NG4 Texas Instruments |
659 In Stock |
N/A | RFQ | 16-PDIP | IC I/O EXPANDER I2C 8B 16DIP | |
PCF8574DWE4 Texas Instruments |
1,834 In Stock |
$1.0000 Min: 1 |
RFQ | 16-SOIC | IC I/O EXPANDER I2C 8B 16SOIC | |
PCF8574DWRE4 Texas Instruments |
6,143 In Stock |
$1.1058 Min: 1 |
RFQ | 16-SOIC | IC I/O EXPANDER I2C 8B 16SOIC | |
PCF8574ARGYRG4 Texas Instruments |
293 In Stock |
N/A | RFQ | 20-VQFN (3.5x4.5) | IC I/O EXPANDER I2C 8B 20VQFN | |
PCF8574APWRG4 Texas Instruments |
583 In Stock |
N/A | RFQ | 20-TSSOP | IC I/O EXPANDER I2C 8B 20TSSOP |