| Part Number | Description | Security Features | Budgetary Price (See Notes) |
| MAX66040E | ISO/IEC 14443 Type B-Compliant Secure Memory | SHA-1 ,Write-Only Secrets | $1.28 @1k |
| MAX66040K | ISO/IEC 14443 Type B-Compliant Secure Memory | SHA-1 ,Write-Only Secrets | $1.28 @1k |
| MAX66140E | ISO 15693-Compliant Secure Memory | SHA-1 ,Write-Only Secrets | $1.28 @1k |
| MAX66140K | ISO 15693-Compliant Secure Memory | SHA-1 ,Write-Only Secrets | $1.28 @1k |
