I/O Expanders
| lcsc | mfr | package | gpios | voltage | interface | interrupt | current | clock | stock | price |
|---|
| 141380 | PCA9557PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 20mA sink / 10mA source | 400kHz | 16609 | $0.44 |
| 148077 | AW9523BTQR | TQFN-24-EP(4x4) | 16 | 2.4V - 5.5V | I²C | Yes | 20mA sink / 20mA source | 400kHz | 16303 | $0.32 |
| 17230 | PCA9554PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 15979 | $0.97 |
| 561273 | XL9535 | TSSOP-24 | | | | No | | | 14853 | $0.54 |
| 255606 | PCA9535PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 13873 | $0.97 |
| 128392 | PCA9555PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 10266 | $0.74 |
| 609791 | XL9555 | TSSOP-24 | | | | No | | | 9105 | $0.50 |
| 7605 | PCF8574T/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 8446 | $1.56 |
| 22396388 | TCA9535PWR(UMW) | TSSOP-24 | 16 | 1.4V - 5.5V | I²C | Yes | | 2.40MHz | 8421 | $0.32 |
| 130204 | TCA9535PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 8131 | $0.44 |
| 465732 | TCA9555PWR | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 7841 | $0.61 |
| 2669654 | PCA9535AHF,128 | HWQFN-24-EP(4x4) | | | | No | | | 5991 | $1.68 |
| 181499 | TCA6408ARGTR | QFN-16-EP(3x3) | 8 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 5758 | $0.51 |
| 2652287 | PCAL6416AHF,128 | HWQFN-24 | | | | No | | | 5586 | $1.22 |
| 5125492 | XL9555QF24 | QFN-24 | 16 | | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 5427 | $0.50 |
| 129516 | PCA9539PW | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 4730 | $0.91 |
| 206177 | TCA6408APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 4398 | $0.60 |
| 80692 | TCA6424ARGJR | VQFN-32-EP(5x5) | 24 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3928 | $0.72 |
| 22396383 | PCF8574DWR(UMW) | SOIC-16-300mil | 8 | | I²C | No | | 2.40MHz | 3928 | $0.33 |
| 130203 | TCA6416APWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3807 | $0.87 |
| 3188776 | PI4IOE5V9535ZDEX | QFN-24(4x4) | | 2.3V - 5.5V | I²C | Yes | | 400kHz | 3614 | $0.47 |
| 2688883 | PCA9536D,118 | SO-8 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 3481 | $0.84 |
| 629439 | MCP23017T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 3291 | $1.48 |
| 2652270 | PCF8574RGTR | WQFN-16-EP(3x3) | | | | No | | | 3056 | $1.34 |
| 128577 | MCP23S17T-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 2773 | $1.32 |
| 131972 | TCA9539PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2726 | $0.71 |
| 5956642 | TCAL6416RTWR | WQFN-24(4x4) | | 1.08V - 3.6V | I²C | No | 25mA sink / 10mA source | 100kHz | 2607 | $1.63 |
| 2987289 | PCF8574AT/TR | SOP-16-W | 8 | | I²C | No | | | 2600 | $0.74 |
| 629440 | MCP23017T-E/SO | SOIC-28-300mil | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 2573 | $1.78 |
| 3202154 | PCA9535PWR | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2494 | $1.20 |
| 2652295 | PCA9555APW,118 | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2379 | $1.04 |
| 188759 | PCA9539PWR | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2241 | $1.57 |
| 140277 | TCA9555RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2124 | $0.46 |
| 201627 | TCA9539QPWRQ1 | TSSOP-24 | 16 | 1.65V - 3.6V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2098 | $0.74 |
| 57790 | PCF8574TS/3,118 | SSOP-20-4.4mm | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 1922 | $1.58 |
| 86832 | PCF8574AT/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 1793 | $1.60 |
| 517989 | XRA1201PIG24TR-F | TSSOP-24 | | 1.65V - 3.6V | I²C, SMBus | Yes | | 400kHz | 1790 | $1.17 |
| 2987288 | PCF8574T/TR | SO-16-300mil | 8 | | I²C | No | | | 1784 | $0.73 |
| 206010 | TCA9534APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C | Yes | | 400kHz | 1669 | $0.67 |
| 2649390 | TCA6408ARSVR | UQFN-16(1.8x2.6) | 8 | | I²C, SMBus | Yes | | 400kHz | 1275 | $0.58 |
| 94361 | PCF8574APWR | ETSSOP-20 | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 1245 | $1.12 |
| 544871 | TCA1116PWR | TSSOP-24 | | 1.65V - 5.5V | I²C | Yes | | 400kHz | 1132 | $0.72 |
| 47023 | MCP23017-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 1089 | $1.53 |
| 86803 | PCA9554APW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1088 | $0.96 |
| 882809 | PCF8574PWR | TSSOP-20 | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 1050 | $1.35 |
| 561270 | XL8574AT | SOP-16-300mil | | | | No | | | 1041 | $0.51 |
| 12251 | PCF8575TS/1,118 | SSOP-24-208mil | 16 | 2.5V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 1030 | $2.44 |
| 2652314 | PI4IOE5V6416ZDEX | QFN-24-EP(4x4) | | 1.65V - 5.5V | I²C | No | 25mA sink / 10mA source | 400kHz | 976 | $0.70 |
| 783615 | TCA9534PWR | TSSOP-16 | | 1.65V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 960 | $0.57 |
| 477924 | TCA9554PWR | TSSOP-16 | | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 948 | $0.57 |
| 2652321 | PCA9557DR | SOIC-16 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 933 | $1.30 |
| 133803 | PCA9534PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 914 | $0.69 |
| 2864778 | PCA9555PWR | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 871 | $1.04 |
| 2867583 | PCF8574ADWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 810 | $0.96 |
| 134039 | TCA9539RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 797 | $0.72 |
| 129354 | TCA9535RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 795 | $0.78 |
| 457770 | FXL6408UMX | UQFN-16(1.8x2.6) | | | | No | | | 730 | $0.56 |
| 2652277 | PCF8575PWR | TSSOP-24 | | 2.5V - 5.5V | I²C, SMBus | No | 25mA sink / 1mA source | 400kHz | 700 | $1.81 |
| 629442 | MCP23S17T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | SPI | No | | 10MHz | 696 | $1.81 |
| 506653 | MCP23017-E/SS | SSOP-28(5.3x10.2x0.65) | 16 | 1.8V - 5.5V | | Yes | | | 691 | $1.65 |
| 526717 | PI4IOE5V6408ZTAEX | UQFN-16(1.8x2.6) | | 1.65V - 3.6V | I²C | No | | 1MHz | 647 | $0.73 |
| 2652289 | PCA9538PW,118 | TSSOP-16 | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 628 | $0.85 |
| 561268 | XD8574AP | DIP-16 | | | | No | | | 608 | $0.44 |
| 201547 | PCA9557PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 566 | $0.92 |
| 201530 | PCA9538PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 564 | $1.16 |
| 148009 | MCP23S17-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 546 | $1.48 |
| 161197 | PCA9534PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 511 | $1.46 |
| 57543 | CH422G | SOP-16 | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 491 | $0.54 |
| 2669725 | PI4IOE5V9539ZDEX | TQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C | No | | 400kHz | 484 | $0.82 |
| 2649389 | PCA9536DGKR | VSSOP-8-0.65mm | | | | No | | | 476 | $0.89 |
| 152205 | MCP23S08-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 421 | $2.42 |
| 2895056 | HT8574ARTZ | SSOP-20-4.4mm | 8 | | I²C | No | | | 386 | $0.70 |
| 5444303 | XL9555SS | SSOP-24-209mil | 16 | | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 382 | $0.61 |
| 2652298 | PCA9555BS,118 | HVQFN-24-EP(4x4) | | | | No | | | 375 | $0.86 |
| 92253 | MCP23008-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 357 | $1.76 |
| 2669685 | PCA9505DGG,118 | TSSOP-56-6.1mm | | | | No | | | 341 | $4.09 |
| 145413 | MCP23S17-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | SPI | No | 25mA sink / 25mA source | 10MHz | 337 | $1.37 |
| 2652307 | PCA9671BS,118 | HVQFN-24-EP(4x4) | | | | No | | | 327 | $2.12 |
| 398072 | PCF8574AP | DIP-16 | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 318 | $0.70 |
| 144211 | MCP23008-E/ML | QFN-20-EP(4x4) | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 297 | $1.61 |
| 111663 | CH423S | SOP-28-300mil | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 286 | $0.36 |
| 398073 | PCF8574P | DIP-16 | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 250 | $0.70 |
| 2834482 | HT8574BRWZ | SO-16-300mil | | | | No | | | 232 | $0.41 |
| 2878560 | PCA9554ADWR | SOIC-16-300mil | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 225 | $1.43 |
| 2652271 | PCF8574DWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 218 | $1.18 |
| 2652276 | PCA9539RGER | VQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 201 | $1.39 |
| 2652286 | TCA9538PWR | TSSOP-16 | | 1.65V - 5.5V | I²C | No | | 400kHz | 201 | $0.86 |
| 629436 | MCP23009T-E/SS | SSOP-20-208mil | | 1.8V - 5.5V | I²C | Yes | | 3.40MHz | 200 | $2.49 |
| 133183 | PCA9555DB,118 | SSOP-24-208mil | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 172 | $1.21 |
| 707086 | XD82C55-5 | DIP-40 | | | | No | | | 154 | $1.48 |
| 2652304 | PCA9535D,118 | SO-24-300mil | | | | No | | | 154 | $2.49 |
| 2652323 | PCA9672BS,118 | HVQFN-16-EP(3x3) | | | | No | | | 143 | $1.76 |
| 2865317 | TCA9555DBR | SSOP-24-208mil | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | | 400kHz | 142 | $1.10 |
| 2873588 | PCA9554PWR | TSSOP-16 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 120 | $1.42 |
| 2669747 | PCF8575RGER | VQFN-24-EP(4x4) | | 4.5V - 5.5V | I²C, SMBus | Yes | 25mA sink / 1mA source | 400kHz | 118 | $2.58 |
| 2669664 | MAX7315AUE+T | TSSOP-16 | | 2V - 3.6V | I²C, SMBus | No | | 400kHz | 110 | $6.18 |
| 623185 | MCP23018T-E/MJ | QFN-24-EP(4x4) | | 1.8V - 5.5V | I²C | No | | 3.40MHz | 107 | $3.25 |
| 2669746 | XRA1403IG24TR-F | TSSOP-24 | | 1.65V - 3.6V | SPI | Yes | | 26MHz | 107 | $1.57 |
| 882806 | PCA9534DWR | SOIC-16-300mil | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 103 | $1.83 |
| 2652273 | SX1508BIULTRT | QFN-20-EP(3x3) | | 1.2V - 3.6V | I²C | No | | 400kHz | 103 | $2.47 |
