| 130204 | TCA9535PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 17892 | $0.48 |
| 148077 | AW9523BTQR | TQFN-24-EP(4x4) | 16 | 2.4V - 5.5V | I²C | Yes | 20mA sink / 20mA source | 400kHz | 16332 | $0.33 |
| 2987288 | PCF8574T/TR | SO-16-300mil | 8 | | I²C | No | | | 12972 | $0.73 |
| 527428 | TCA9535RGER | VQFN-24-EP(4x4) | | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 11780 | $0.89 |
| 2652287 | PCAL6416AHF,128 | QFN-24-EP(4x4) | | | | No | | | 11256 | $1.45 |
| 128392 | PCA9555PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 10900 | $0.78 |
| 255606 | PCA9535PW,118 | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 9787 | $1.26 |
| 465732 | TCA9555PWR | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 9354 | $0.55 |
| 141380 | PCA9557PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 20mA sink / 10mA source | 400kHz | 8917 | $0.43 |
| 133803 | PCA9534PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 7904 | $0.56 |
| 629439 | MCP23017T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 6800 | $1.48 |
| 783615 | TCA9534PWR | TSSOP-16 | | 1.65V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 4857 | $0.52 |
| 7605 | PCF8574T/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 4249 | $1.55 |
| 2987289 | PCF8574AT/TR | SOP-16-W | 8 | | I²C | No | | | 4168 | $0.74 |
| 131972 | TCA9539PWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 4160 | $0.50 |
| 140277 | TCA9555RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 4023 | $0.74 |
| 181499 | TCA6408ARGTR | QFN-16-EP(3x3) | 8 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3911 | $0.56 |
| 128577 | MCP23S17T-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 3754 | $1.35 |
| 17230 | PCA9554PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3535 | $1.24 |
| 80692 | TCA6424ARGJR | VQFN-32-EP(5x5) | 24 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 3508 | $0.96 |
| 457770 | FXL6408UMX | UQFN-16(1.8x2.6) | | | | No | | | 3275 | $0.51 |
| 526717 | PI4IOE5V6408ZTAEX | UQFN-16(1.8x2.6) | | 1.65V - 3.6V | I²C | No | | 1MHz | 2994 | $0.60 |
| 2652275 | PCA9555RGER | VQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2984 | $1.37 |
| 86832 | PCF8574AT/3,518 | SOIC-16-300mil | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 2878 | $1.50 |
| 2669725 | PI4IOE5V9539ZDEX | TQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C | No | | 400kHz | 2844 | $1.09 |
| 130203 | TCA6416APWR | TSSOP-24 | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2750 | $0.82 |
| 86803 | PCA9554APW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2744 | $0.77 |
| 5125492 | XL9555QF24 | QFN-24 | 16 | | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2571 | $0.54 |
| 477924 | TCA9554PWR | TSSOP-16 | | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 2290 | $0.68 |
| 2687996 | PCA9539PW,118 | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2261 | $1.08 |
| 2652314 | PI4IOE5V6416ZDEX | QFN-24-EP(4x4) | | 1.65V - 5.5V | I²C | No | 25mA sink / 10mA source | 400kHz | 2229 | $1.23 |
| 201627 | TCA9539QPWRQ1 | TSSOP-24 | 16 | 1.65V - 3.6V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 2007 | $1.14 |
| 188759 | PCA9539PWR | TSSOP-24 | 16 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1992 | $2.25 |
| 517989 | XRA1201PIG24TR-F | TSSOP-24 | | 1.65V - 3.6V | I²C, SMBus | Yes | | 400kHz | 1987 | $1.22 |
| 201530 | PCA9538PWR | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1697 | $1.19 |
| 134039 | TCA9539RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 1637 | $0.74 |
| 561271 | XL8574T | SOP-16-300mil | | | | No | | | 1455 | $0.52 |
| 206010 | TCA9534APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C | Yes | | 400kHz | 1424 | $1.03 |
| 57790 | PCF8574TS/3,118 | SSOP-20-4.4mm | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 1363 | $1.73 |
| 133183 | PCA9555DB,118 | SSOP-24-208mil | 16 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 1272 | $1.24 |
| 47023 | MCP23017-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 1133 | $1.86 |
| 544871 | TCA1116PWR | TSSOP-24 | | 1.65V - 5.5V | I²C | Yes | | 400kHz | 1132 | $0.75 |
| 2652270 | PCF8574RGTR | WQFN-16-EP(3x3) | | | | No | | | 1039 | $1.34 |
| 12251 | PCF8575TS/1,118 | SSOP-24-208mil | 16 | 2.5V - 5.5V | I²C | Yes | 25mA sink / 10mA source | 400kHz | 1027 | $2.66 |
| 161197 | PCA9534PW,118 | TSSOP-16 | 8 | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 993 | $1.46 |
| 2652271 | PCF8574DWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 992 | $1.53 |
| 5956642 | TCAL6416RTWR | WQFN-24(4x4) | | 1.08V - 3.6V | I²C | No | 25mA sink / 10mA source | 100kHz | 923 | $1.67 |
| 111663 | CH423S | SOP-28-300mil | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 878 | $0.34 |
| 3202154 | PCA9535PWR | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 813 | $1.74 |
| 2669685 | PCA9505DGG,118 | TSSOP-56-6.1mm | | | | No | | | 758 | $4.57 |
| 398072 | PCF8574AP | DIP-16 | 8 | 2.5V - 6V | I²C | No | 25mA sink / 300000mA source | 100kHz | 671 | $0.50 |
| 561268 | XD8574AP | DIP-16 | | | | No | | | 628 | $0.38 |
| 2867583 | PCF8574ADWR | SOIC-16-300mil | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 549 | $0.89 |
| 152205 | MCP23S08-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 500 | $2.58 |
| 2652321 | PCA9557DR | SOIC-16 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 401 | $1.29 |
| 561270 | XL8574AT | SOP-16-300mil | | | | No | | | 396 | $0.50 |
| 206177 | TCA6408APWR | TSSOP-16 | 8 | 1.65V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 388 | $0.70 |
| 129354 | TCA9535RTWR | WQFN-24-EP(4x4) | 16 | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 386 | $0.92 |
| 506653 | MCP23017-E/SS | SSOP-28(5.3x10.2x0.65) | 16 | 1.8V - 5.5V | | Yes | | | 383 | $1.57 |
| 398073 | PCF8574P | DIP-16 | 8 | 2.5V - 6V | I²C | Yes | 25mA sink / 300000mA source | 100kHz | 344 | $0.70 |
| 2652307 | PCA9671BS,118 | HVQFN-24-EP(4x4) | | | | No | | | 340 | $3.26 |
| 148009 | MCP23S17-E/SS | SSOP-28-208mil | 16 | 1.8V - 5.5V | SPI | Yes | 25mA sink / 25mA source | 10MHz | 330 | $1.44 |
| 2652295 | PCA9555APW,118 | TSSOP-24 | | 1.65V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 296 | $1.10 |
| 2669676 | PCA9500PW,118 | TSSOP-16 | | 2.5V - 3.6V | I²C, SMBus | No | 25mA sink / 100000mA source | 400kHz | 293 | $1.73 |
| 92253 | MCP23008-E/SO | SOIC-18-300mil | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 286 | $1.96 |
| 629440 | MCP23017T-E/SO | SOIC-28-300mil | | 1.8V - 5.5V | I²C | No | | 1.70MHz | 258 | $1.80 |
| 2652276 | PCA9539RGER | VQFN-24-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 258 | $1.43 |
| 2655461 | PCA9554ARGTR | QFN-16-EP(3x3) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 250 | $1.49 |
| 2834482 | HT8574BRWZ | SO-16-300mil | | | | No | | | 248 | $0.69 |
| 2652283 | PCA9536TK,118 | HVSON-8-EP(3x3) | | | | No | | | 242 | $1.65 |
| 57543 | CH422G | SOP-16 | 8 | 3V - 5V | I²C, SPI | No | | 1MHz | 241 | $0.54 |
| 145413 | MCP23S17-E/SO | SOIC-28-300mil | 16 | 1.8V - 5.5V | SPI | No | 25mA sink / 25mA source | 10MHz | 236 | $1.38 |
| 2652304 | PCA9535D,118 | SO-24-300mil | | | | No | | | 220 | $2.30 |
| 882806 | PCA9534DWR | SOIC-16-300mil | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 208 | $2.21 |
| 707086 | XD82C55-5 | DIP-40 | | | | No | | | 201 | $1.48 |
| 2652338 | TCA9554ADBQR | SSOP-16-208mil | | | | No | | | 178 | $1.46 |
| 882809 | PCF8574PWR | TSSOP-20 | | 2.5V - 6V | I²C | No | 25mA sink / 1mA source | 100kHz | 174 | $1.61 |
| 2864778 | PCA9555PWR | TSSOP-24 | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 170 | $1.42 |
| 629442 | MCP23S17T-E/ML | QFN-28-EP(6x6) | | 1.8V - 5.5V | SPI | No | | 10MHz | 157 | $1.82 |
| 2669689 | PCA9671PW,118 | TSSOP-24 | | 2.3V - 5.5V | I²C | No | 25mA sink / 100000mA source | 1MHz | 150 | $2.67 |
| 2652289 | PCA9538PW,118 | TSSOP-16 | | 2.3V - 5.5V | I²C, SMBus | Yes | 25mA sink / 10mA source | 400kHz | 137 | $0.96 |
| 2652273 | SX1508BIULTRT | QFN-20-EP(3x3) | | 1.2V - 3.6V | I²C | No | | 400kHz | 129 | $2.42 |
| 2652326 | PI4IOE5V9535LEX | TSSOP-24 | | 2.3V - 5.5V | I²C | Yes | | 400kHz | 115 | $2.48 |
| 2861540 | TCA9534DWT | SOIC-16-300mil | | 1.65V - 5.5V | I²C | No | | 400kHz | 112 | $1.24 |
| 2669664 | MAX7315AUE+T | TSSOP-16 | | 2V - 3.6V | I²C, SMBus | No | | 400kHz | 110 | $6.18 |
| 219143 | MCP23009-E/MG | VQFN-16-EP(3x3) | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 3.40MHz | 107 | $2.80 |
| 129522 | PCA9536D | SOIC-8 | 4 | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 106 | $1.05 |
| 561273 | XL9535 | TSSOP-24 | | | | No | | | 103 | $0.54 |
| 2652272 | PCA9534RGVR | VQFN-16-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 103 | $1.83 |
| 561269 | XD8574P | DIP-16 | | | | No | | | 102 | $0.52 |
| 2652277 | PCF8575PWR | TSSOP-24 | | 2.5V - 5.5V | I²C, SMBus | No | 25mA sink / 1mA source | 400kHz | 102 | $2.05 |
| 2652292 | PCA9535CPW,118 | TSSOP-24 | | | I²C, SMBus | Yes | | 400kHz | 102 | $0.78 |
| 2669657 | MAX7313ATG+T | QFN-24-EP(4x4) | | 2V - 3.6V | I²C, SMBus | Yes | | 400kHz | 100 | $3.61 |
| 2871207 | PCA9554ARGVR | VQFN-16-EP(4x4) | | 2.3V - 5.5V | I²C, SMBus | No | 25mA sink / 10mA source | 400kHz | 100 | $1.01 |
| 144211 | MCP23008-E/ML | QFN-20-EP(4x4) | 8 | 1.8V - 5.5V | I²C | Yes | 25mA sink / 25mA source | 1.70MHz | 93 | $1.82 |
| 1522614 | MAX7315ATE+ | TQFN-16-EP(3x3) | | 2V - 3.6V | I²C, SMBus | Yes | | 400kHz | 90 | $5.59 |
| 2669667 | PCAL6524EVJ | VFBGA-36(2.6x2.6) | | 1.65V - 5.5V | I²C | No | | 1MHz | 90 | $1.68 |
| 2669742 | PCA9673PW,118 | TSSOP-24 | | 2.3V - 5.5V | I²C | Yes | 25mA sink / 100000mA source | 1MHz | 85 | $1.75 |
| 2867511 | TCA9554DWR | SOIC-16-300mil | | 1.65V - 5.5V | I²C | No | | 400kHz | 85 | $0.75 |
| 623185 | MCP23018T-E/MJ | QFN-24-EP(4x4) | | 1.8V - 5.5V | I²C | No | | 3.40MHz | 80 | $2.42 |
