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 |
---|---|---|---|---|---|---|
PCA9704PWJ NXP USA Inc. |
8,904 In Stock |
$0.9226 Min: 1 |
RFQ | 16-TSSOP | IC GPI 16BIT SPI 18V INT 16TSSOP | |
PCA9539RPW,118 NXP USA Inc. |
1,351 In Stock |
$0.8828 Min: 1 |
RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9555BSHP NXP USA Inc. |
2,987 In Stock |
$0.8425 Min: 1 |
RFQ | 24-HVQFN (4x4) | IC I/O EXPANDER I2C 16B 24HVQFN | |
PCA9575PW1,118 NXP USA Inc. |
6,135 In Stock |
$0.7993 Min: 1 |
RFQ | 24-TSSOP | IC I/O EXPANDER I2C 16B 24TSSOP | |
PCA9535HF,118 NXP USA Inc. |
5,710 In Stock |
$0.7582 Min: 1 |
RFQ | 24-HWQFN (4x4) | IC I/O EXPANDER I2C 16B 24HWQFN | |
PCA9535HFHP NXP USA Inc. |
8,517 In Stock |
$0.7582 Min: 1 |
RFQ | 24-HWQFN (4x4) | 16-BIT I2C-BUS AND SMBUS, LOW PO | |
PCA9539PW/Q900,118 NXP USA Inc. |
4,131 In Stock |
$0.7755 Min: 1 |
RFQ | 24-TSSOP | IC I2C BUS/SMBUS 16BIT 24TSSOP | |
PCA8575D,118 NXP USA Inc. |
755 In Stock |
$0.9240 Min: 1 |
RFQ | 24-SO | REMOTE 16-BIT I/O EXPANDER FOR I | |
PCAL9554CPWJ NXP USA Inc. |
7,240 In Stock |
$0.8120 Min: 1 |
RFQ | 16-TSSOP | IC GPIO EXPANDER 16TSSOP | |
PCA9672PW,118 NXP USA Inc. |
4,749 In Stock |
$0.6680 Min: 1 |
RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9672PW,112 NXP USA Inc. |
839 In Stock |
N/A | RFQ | 16-TSSOP | IC I/O EXPANDER I2C 8B 16TSSOP | |
PCA9554D NXP USA Inc. |
2,584 In Stock |
$0.7000 Min: 1 |
RFQ | 8-BIT I2C-BUS AND SMBUS I/O PORT | ||
PCA9538PWG4 Burr Brown |
5,264 In Stock |
$0.7000 Min: 1 |
RFQ | 16-TSSOP | PCA9538 REMOTE 8-BIT I2C AND SMB | |
PCAL6408AHK115 NXP USA Inc. |
945 In Stock |
$0.7000 Min: 1 |
RFQ | LOW-VOLTAGE TRANSLATING, 8-BIT I | ||
PCA9675D112 NXP USA Inc. |
4,161 In Stock |
$0.7000 Min: 1 |
RFQ | 24-SO | REMOTE 16-BIT I/O EXPANDER FOR F | |
CAT9554HV4I Catalyst Semiconductor Inc. |
9,265 In Stock |
$0.7000 Min: 1 |
RFQ | 16-TQFN (4x4) | CAT9554 - 8-BIT I2C AND SMBUS I/ | |
PCA9535PW NXP USA Inc. |
3,000 In Stock |
N/A | RFQ | 24-TSSOP | PCA9535 REMOTE 16-BIT I2C AND SM | |
PCAL6408AHK NXP USA Inc. |
9,323 In Stock |
$0.7000 Min: 1 |
RFQ | LOW-VOLTAGE TRANSLATING, 8-BIT I | ||
PCA9701PW Freescale Semiconductor |
357 In Stock |
$0.7000 Min: 1 |
RFQ | 24-TSSOP | 18 V TOLERANT SPI 16-BIT/8-BIT G | |
PCA9500PW NXP USA Inc. |
9,686 In Stock |
$0.7000 Min: 1 |
RFQ | PARALLEL I/O PORT, 8-BIT, 8 I/O, | ||
PCA9501PW NXP USA Inc. |
9,971 In Stock |
$0.7000 Min: 1 |
RFQ | PARALLEL I/O PORT, 8-BIT, 8 I/O, | ||
IS82C55AZ Intersil |
7,823 In Stock |
$0.7000 Min: 1 |
RFQ | 44-PLCC (16.58x16.58) | PARALLEL I/O PORT, 24 I/O, CMOS, | |
PCA9539PW Burr Brown |
9,428 In Stock |
$0.7000 Min: 1 |
RFQ | 24-TSSOP | PCA9539 REMOTE 16-BIT I2C AND SM | |
PCA9554CBSHP NXP USA Inc. |
476 In Stock |
$0.5399 Min: 1 |
RFQ | 16-HVQFN (3x3) | IC I/O EXPANDER I2C 16HVQFN | |
PCA9554BBSHP NXP USA Inc. |
706 In Stock |
$12.2826 Min: 1 |
RFQ | 16-HVQFN (3x3) | IC I/O EXPANDER I2C 16HVQFN |