Mifare Classic

System characteristics

Mifare Ultralight
MFO IC U1X

Mifare
Ultralight C
MFO IC U2X

Mifare
Classic 1K
MF1 S50

Mifare
Classic 4K
MF1 S70

Total memory [byte]

64

192

1024

4096

Memory organisation [byte]

16 pages, 4B

48 pages, 4B

16 sectors, 64B

32 sectors, 64B
8 sectors, 256B

OTP area [bit]

32

32

no

no

Frequency range [MHz]

13,56

13,56

13,56

13,56

Baudrate [kbit/s]

106

106

106

106

Operating distance [m]

up to 0,1

up to 0,1

up to 0,1

up to 0,1

Write endurance [cycles]

10 000

10 000

100 000

100 000

Data retention [years]

5

5

10

10

Compliant with ISO 14443A

yes, 3 layers

yes, 3 layers

yes, 3 layers

yes, 3 layers

Anticollision

bit-wise

bit-wise

bit-wise

bit-wise

Serial number UID [byte]

7

7

4 NUID or
7 UID with optional random ID

4 NUID or
7 UID with optional random ID

Access keys

no

1 key

2 keys per sector

2 keys per sector

Hardware crypto

no

3DES

CRYPTO1

CRYPTO1

Anti-tear supported by chip

no

no

for value blocks

for value blocks

Hardware certification

no

no

no

no