| 465732 | TCA9555PWR | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 14405 | $0.51 |
| 17230 | PCA9554PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 13175 | $1.22 |
| 527428 | TCA9535RGER | VQFN-24-EP(4x4) | | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 11481 | $0.90 |
| 2652287 | PCAL6416AHF,128 | QFN-24-EP(4x4) | | | | No | | | 10987 | $1.39 |
| 128392 | PCA9555PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 10897 | $0.78 |
| 2987288 | PCF8574T/TR | SO-16-300mil | 8 | | I²C | No | | | 10624 | $0.73 |
| 148077 | AW9523BTQR | TQFN-24-EP(4x4) | 16 | 2.4V - 5.5V | I²C | Yes | 20mA sink / 20mA source | 400kHz | 10549 | $0.33 |
| 130204 | TCA9535PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 9907 | $0.47 |
| 22396383 | PCF8574DWR(UMW) | SOIC-16-300mil | 8 | | I²C | Yes | | 2.40MHz | 9716 | $0.49 |
| 561273 | XL9535 | TSSOP-24 | | | | No | | | 7599 | $0.52 |
| 141380 | PCA9557PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 20mA sink / 10mA source | 400kHz | 7041 | $0.43 |
| 133803 | PCA9534PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 5739 | $0.60 |
| 255606 | PCA9535PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 4444 | $1.29 |
| 629439 | MCP23017T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 4419 | $1.42 |
| 2987289 | PCF8574AT/TR | SOP-16-W | 8 | | I²C | No | | | 3877 | $0.74 |
| 140277 | TCA9555RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 3568 | $0.76 |
| 128577 | MCP23S17T-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 3429 | $1.35 |
| 86803 | PCA9554APW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3239 | $0.75 |
| 457770 | FXL6408UMX | UQFN-16(1.8x2.6) | | | | No | | | 2959 | $0.48 |
| 609791 | XL9555 | TSSOP-24 | | | | No | | | 2887 | $0.46 |
| 2669725 | PI4IOE5V9539ZDEX | TQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C | No | | 400kHz | 2844 | $1.09 |
| 2649390 | TCA6408ARSVR | UQFN-16(1.8x2.6) | 8 | | I²C, SMBus | Yes | | 400kHz | 2840 | $0.40 |
| 130203 | TCA6416APWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2623 | $0.84 |
| 80692 | TCA6424ARGJR | VQFN-32-EP(5x5) | 24 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2616 | $0.97 |
| 2652295 | PCA9555APW,118 | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2608 | $1.07 |
| 561271 | XL8574T | SOP-16-300mil | | | | No | | | 2430 | $0.50 |
| 131972 | TCA9539PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2358 | $0.54 |
| 2652314 | PI4IOE5V6416ZDEX | QFN-24-EP(4x4) | | 1.65V - 5.5V | I²C | No | 25mA sink / 10mA source | 400kHz | 2197 | $1.23 |
| 2688883 | PCA9536D,118 | SO-8 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2105 | $0.78 |
| 206010 | TCA9534APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C | Yes | | 400kHz | 2010 | $0.69 |
| 86832 | PCF8574AT/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 2004 | $1.52 |
| 477924 | TCA9554PWR | TSSOP-16 | | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 1990 | $0.68 |
| 629440 | MCP23017T-E/SO | SOIC-28-300mil | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 1989 | $1.81 |
| 201627 | TCA9539QPWRQ1 | TSSOP-24 | 16 | 1.65V - 3.6V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1922 | $1.12 |
| 517989 | XRA1201PIG24TR-F | TSSOP-24 | | 1.65V - 3.6V | I²C, SMBus | Yes | | 400kHz | 1909 | $1.22 |
| 188759 | PCA9539PWR | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1904 | $2.22 |
| 201530 | PCA9538PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1671 | $1.17 |
| 526717 | PI4IOE5V6408ZTAEX | UQFN-16(1.8x2.6) | | 1.65V - 3.6V | I²C | No | | 1MHz | 1632 | $0.60 |
| 2652275 | PCA9555RGER | VQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 1609 | $1.38 |
| 134039 | TCA9539RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1592 | $0.73 |
| 181499 | TCA6408ARGTR | QFN-16-EP(3x3) | 8 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1325 | $0.49 |
| 544871 | TCA1116PWR | TSSOP-24 | | 1.65V - 5.5V | I²C | Yes | | 400kHz | 1132 | $0.72 |
| 133183 | PCA9555DB,118 | SSOP-24-208mil | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 1117 | $1.60 |
| 57790 | PCF8574TS/3,118 | SSOP-20-4.4mm | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 1093 | $1.73 |
| 2652289 | PCA9538PW,118 | TSSOP-16 | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1088 | $0.87 |
| 94361 | PCF8574APWR | ETSSOP-20 | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 980 | $0.96 |
| 161197 | PCA9534PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 951 | $1.46 |
| 47023 | MCP23017-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 847 | $2.06 |
| 7605 | PCF8574T/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 819 | $1.56 |
| 2652271 | PCF8574DWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 788 | $1.54 |
| 5125492 | XL9555QF24 | QFN-24 | 16 | | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 742 | $0.54 |
| 3202154 | PCA9535PWR | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 732 | $1.73 |
| 2669685 | PCA9505DGG,118 | TSSOP-56-6.1mm | | | | No | | | 725 | $4.57 |
| 12251 | PCF8575TS/1,118 | SSOP-24-208mil | 16 | 2.5V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 667 | $2.66 |
| 2652270 | PCF8574RGTR | WQFN-16-EP(3x3) | | | | No | | | 663 | $1.38 |
| 561268 | XD8574AP | DIP-16 | | | | No | | | 628 | $0.38 |
| 398072 | PCF8574AP | DIP-16 | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 613 | $0.47 |
| 129354 | TCA9535RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 576 | $0.87 |
| 5956642 | TCAL6416RTWR | WQFN-24(4x4) | | 1.08V - 3.6V | I²C | No | 25mA sink / 10mA source | 100kHz | 575 | $1.64 |
| 111663 | CH423S | SOP-28-300mil | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 574 | $0.36 |
| 506653 | MCP23017-E/SS | SSOP-28(5.3x10.2x0.65) | 16 | 1.8V - 5.5V | | Yes | | | 549 | $1.57 |
| 398073 | PCF8574P | DIP-16 | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 500 | $0.70 |
| 2895056 | HT8574ARTZ | SSOP-20-4.4mm | 8 | | I²C | No | | | 500 | $0.69 |
| 57543 | CH422G | SOP-16 | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 499 | $0.54 |
| 2867583 | PCF8574ADWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 472 | $0.88 |
| 561270 | XL8574AT | SOP-16-300mil | | | | No | | | 396 | $0.50 |
| 2652283 | PCA9536TK,118 | HVSON-8-EP(3x3) | | | | No | | | 382 | $1.50 |
| 152205 | MCP23S08-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 368 | $2.58 |
| 206177 | TCA6408APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 345 | $0.68 |
| 2652307 | PCA9671BS,118 | HVQFN-24-EP(4x4) | | | | No | | | 340 | $3.35 |
| 2669676 | PCA9500PW,118 | TSSOP-16 | | 2.5V - 3.6V | I²C, SMBus | No | 25mA sink / 100000mA source | 400kHz | 293 | $1.57 |
| 2652321 | PCA9557DR | SOIC-16 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 291 | $1.28 |
| 783615 | TCA9534PWR | TSSOP-16 | | 1.65V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 280 | $0.57 |
| 629442 | MCP23S17T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | SPI | No | | 10MHz | 264 | $1.75 |
| 2652276 | PCA9539RGER | VQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 256 | $1.42 |
| 92253 | MCP23008-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 244 | $1.96 |
| 148009 | MCP23S17-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 224 | $1.45 |
| 2652304 | PCA9535D,118 | SO-24-300mil | | | | No | | | 220 | $2.30 |
| 144211 | MCP23008-E/ML | QFN-20-EP(4x4) | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 210 | $1.82 |
| 882806 | PCA9534DWR | SOIC-16-300mil | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 208 | $1.83 |
| 2834482 | HT8574BRWZ | SO-16-300mil | | | | No | | | 196 | $0.69 |
| 201547 | PCA9557PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 187 | $1.03 |
| 2655461 | PCA9554ARGTR | QFN-16-EP(3x3) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 187 | $1.49 |
| 145413 | MCP23S17-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | SPI | No | 25mA sink / 25mA source | 10MHz | 184 | $1.37 |
| 2652338 | TCA9554ADBQR | SSOP-16-208mil | | | | No | | | 174 | $1.44 |
| 2865317 | TCA9555DBR | SSOP-24-208mil | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | | 400kHz | 152 | $1.25 |
| 629443 | MCP23S18T-E/SO | SOIC-28-300mil | | 1.8V - 5.5V | SPI | No | | 10MHz | 135 | $3.55 |
| 2652273 | SX1508BIULTRT | QFN-20-EP(3x3) | | 1.2V - 3.6V | I²C | No | | 400kHz | 129 | $2.42 |
| 2669689 | PCA9671PW,118 | TSSOP-24 | | 2.3V - 5.5V | I²C | No | 25mA sink / 100000mA source | 1MHz | 123 | $2.67 |
| 2652299 | PCAL6416APW,118 | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 120 | $1.65 |
| 2861540 | TCA9534DWT | SOIC-16-300mil | | 1.65V - 5.5V | I²C | No | | 400kHz | 112 | $1.21 |
| 2669664 | MAX7315AUE+T | TSSOP-16 | | 2V - 3.6V | I²C, SMBus | No | | 400kHz | 110 | $6.18 |
| 148011 | MCP23008-E/SS | SSOP-20-208mil | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 105 | $1.55 |
| 2649389 | PCA9536DGKR | VSSOP-8-0.65mm | | | | No | | | 103 | $0.97 |
| 2652272 | PCA9534RGVR | VQFN-16-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 103 | $1.82 |
| 561269 | XD8574P | DIP-16 | | | | No | | | 102 | $0.52 |
| 2652292 | PCA9535CPW,118 | TSSOP-24 | | | I²C, SMBus | Yes | | 400kHz | 102 | $0.78 |
| 2652320 | PCA6416AHF,128 | HWQFN-24-EP(4x4) | | | | No | | | 102 | $1.66 |
| 219143 | MCP23009-E/MG | VQFN-16-EP(3x3) | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 3.40MHz | 101 | $2.80 |
| 2669657 | MAX7313ATG+T | QFN-24-EP(4x4) | | 2V - 3.6V | I²C, SMBus | Yes | | 400kHz | 100 | $3.61 |
