| Device Name | Max. Operating Freq. (MHz) | F.max (MHz) | Temp. Range (deg C) | Operating Voltage (Vcc) | Interface Type | Algorithm Type | Key Size | Packages |
| AT97SC3204 | 3.3 | LPC | RSA / SHA-1 | UP TO 2048 | TSSOP 28X1 28,VQFN 40ML1 40 | |||
| AT97SC3205 | 45 | 45 | -40 to 85 | 3.3 | SPI | RSA / SHA-1 | UP TO 2048 | TSSOP 28X1 28 |
| AT97SC3205T | 0.4 | -40 to 85 | 3.3 | I2C | RSA / SHA-1 | UP TO 2048 | TSSOP 28X1 28 |
