Blank FM4428, amazing price!    Datasheet of FM4428

FM4428 smart cards are fully compatible with SLE4428 smart cards.

FM4428 is the memory card chip,this chip uses 0.6um.CMOS EEPROM process, has 1K * 8Bit EEPROM with write protect function and programmable security code, its contact configuration is in accordance to ISO standard 7816 (Synchronous Transmission), FM4428 can be widely used in different types of IC memory cards.

  Amount Price Unit Price (in GBP) Unit Price (in USD)
100 £60 £0.60 $0.600
250 £130 £0.52 $0.520
500 £221 £0.44 $0.442
1,000 £357 £0.36 $0.357
2,000 £661 £0.33 $0.331
3,000 £968 £0.32 $0.323
5,000 £1,315 £0.26 $0.263
7,000 £1,788 £0.26 $0.255
10,000 £2,481 £0.25 $0.248
30,000 £7,381 £0.25 $0.246
50,000 £12,153 £0.24 $0.243
100,000 £22,411 £0.22 $0.224
  • 1024 x 8 bit EEPROM organization
  • Byte-wise addressing
  • Irreversible byte-wise write protection
  • 1024 x 1 bit protection memory organization
  • Serial three wire bus
  • Minimum of 100,000 write/erase cycles
  • Data retention for at least 10 years  
  • Contact configuration and serial interface in accordance to ISO standard 7816 (synchronous Transmission)
  • Only after entry of the correct 2Byte programmable security code (PSC) data can be changed
  • Compatible with SLE4428
Pin Configurations

Pin Functions

PIN Symbol Function
C1 Vcc   Operation voltage 5V
C2 RST   Reset control
C3 CLK   Clock
C4 N.C.   Not connected
C5 GND   Ground
C6 N.C.   Not connected
C7 I/O   Data line(pen drain)
C8 N.C.   Not connected

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