Blank FM4442, amazing price!    Datasheet of FM4442

FM4442 smart cards are fully compatible with SLE4442 smart cards.

FM4442 is the memory card chip,This chip has 256 * Bits.EEPROM with write protect function and programmable security code. With its contact configuration in accordance to ISO standard 7816 (synchronous transmission), FM4442 can be widely used in different types of IC memory cards.

  Amount Price Unit Price (in GBP) Unit Price (in USD)
100 £40 £0.40 $0.400
250 £95 £0.38 $0.380
500 £177 £0.35 $0.354
1,000 £258 £0.26 $0.258
2,000 £491 £0.25 $0.246
3,000 £734 £0.24 $0.245
5,000 £974 £0.19 $0.195
7,000 £1,325 £0.19 $0.189
10,000 £1,752 £0.18 $0.175
30,000 £5,359 £0.18 $0.179
50,000 £9,112 £0.18 $0.182
100,000 £16,572 £0.17 $0.166
200,000 £29,993 £0.15 $0.150
  • 256 x 8-bit EEPROM organization
  • Byte-wise addressing
  • Irreversible byte-wise write protection
  • 32 x 1-bit organization of protection memory
  • Two-wire link protocol
  • End of processing indicated at data output
  • Answer-to-Reset acc. to ISO standard 7816-3
  • Data retention for minimum of ten years
  • Programming time 2.5 ms per byte for both erasing and writing
  • Contact configuration and serial interface in accordance with ISO standard 7816 (synchronous transmission)
  • Data can only be changed after entry of the correct 3-byte programmable security code (security memory)
  • Compatible SLE4442 

Pin Assignment

Pin Functions

PIN Symbol Function
C1 Vcc   Supply voltage 2.5V~5V
C2 RST   Reset
C3 CLK   Clock input
C4 I/O   Bidirectional data line(open drain)
C5 N.C.   Not connected
C6 GND   Ground

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