Atmel(爱特梅尔)产品选型

Part Series	Datasheet	Operating Voltage (Vcc)	Algorithm Type	Key Size	Zones	Interface Type	Density
		2.0 to 5.5 2.5 to 5.5 2.7 to 3.6 2.7 to 5.5 3.3	AES-CCM FIPS 186-3 ECDSA NIST ECC Proprietary Proprietary \/ SHA-1 RSA \/ SHA-1 RSA \/ SHA-1 \/ SHA-2 (Sign\/Verify Sign) Elliptic Curve (ECDH and ECDSA)	128 256 256 or 283 64 UP TO 2048	4 8 16	2-wire 2-WIRE; ISO7816 T=0 I2C I2C\/SPI ISO 14443 Type B LPC Single-wire; I2C SPI	10.5Kb 128Kb 16Kb 1Kb 256Kb 2Kb 32Kb 4Kb 64Kb 8Kb 8.5Kb
ATAES132A		2.5 to 5.5	AES-CCM	128	16	I2C\/SPI	32Kb
ATECC508A		2.0 to 5.5	Elliptic Curve (ECDH and ECDSA)	256	16	Single-wire; I2C	10.5Kb
ATECC108A		2.0 to 5.5	FIPS 186-3 ECDSA	256 or 283	16	Single-wire; I2C	8.5Kb