| Part Number | Protocol | Functions | Memory Type | Memory Size | Security Features | Features | EV Kit | Oper. Temp. (°C) | Package/Pins |
| MAX66240 | ISO15693 | Tag | EEPROM | 4K bits ,4K x 1 | SHA-256 ,Write-Only Secrets | Memory Protection ,SHA Authentication ,Serial Number | Yes | -20 to +85 | SOIC(N)/8 |
| MAX66242 | ISO15693 | Tag | EEPROM | 4K bits ,4K x 1 | SHA-256 ,Write-Only Secrets | I2C Interface ,Memory Protection ,Programmable IO ,SHA Authentication ,Serial Number | Yes | -20 to +85 | SOIC(N)/8 ,TDFN/10 |
| MAX66300 | ISO15693 | Reader | Flash | 1K x 1 ,1K bits | Four Master Secrets ,SHA-256 | Antenna Short-Circuit Protection ,Random Number Generator ,SHA Authentication ,UART and SPI Interface Ports ,Unique 64-Bit Serial Number ,Write-only Secrets | Yes | -40 to +85 | TQFN/56 |
