HKX25256 (formerly DM25256) contact smart card chip
Category:
Key words:
CPU card chip
Product Details
1. Product introduction:
The HKX25256 is a contact CPU card chip with a 32-bit processor, supports ISO/IEC7816 interface, 256KB Flash, and can be used for contact smart card applications.
Features:
• 32-bit processor
• ISO/IEC 7816 contact interface
• CRC Coprocessor
• DES Coprocessor
• Memory capacity
♦ Flash：256KB
♦ RAM：4KB
• Safety certification: CCRC EAL4
• Flash reliability
♦The data area satisfies 100000 erasings
♦Meet 10 years (55 ℃) data preservation
2. Functional block diagram:
3. Electrical parameters:
3.1 main DC standard (typical value at room temperature)
Voltage operating range (support ISO7816 class A/B/C):1.62~5.5V
• CLOCK STOP mode operating current (5.5V):200uA
• CLOCK STOP mode operating current (3.3V):100uA
• Chip operating current (24MHz):3.5mA
Main AC indicators of 3.2 (typical value at room temperature)
• ISO7816 interface communication baud rate: 9600 ~ 224000bps
3.3 temperature indicator Operating Range
• Working temperature:-25~85 ℃
• Storage temperature:-55~125 ℃
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