AT88SC1003解密

    The AT88SC1003 is a low-cost synchronous integrated circuit, designed for use in prepaid and loyalty smart card applications. The AT88SC1003 provides 1024 bits of serial EEPROM (Electrically Erasable and Programmable Read Only Memory) within three application zones, plus 64 bits in a code-protected zone. Security logic provides access protection through use of a 16-bit security code.
　　Additional EEPROM memory is available to hold unalterable information about the card history. Separate zones are available for data written by the card manufacturer and card issuer. After personalization of the memory by the issuer, an internal fuse is blown that secures critical memory areas of the device and configures the IC for use by the end customer. The action of blowing this fuse is irreversible. The AT88SC1003 is manufactured using low-power CMOS technology. EEPROM programming functions are accomplished using an internally generated high-voltage pump for single voltage supply operation. Program timing is controlled internally. Memory endurance is guaranteed to 100,000 erase/write cycles. Ten-year data retention is guaranteed.
　　AT88SC1003 Features:
　　. Compatible with Many Existing Memory Card Applications
　　. 1-Kbit EEPROM User Memory
　　– Two 256 x 1 Application Zones
　　– One 512 x 1 Application Zone
　　– Protected by Security Logic
　　– Vpp Internally Generated for Single Voltage Operation
　　– 2 μs Read Access Time
　　– 2 ms Write Cycle (Self-timed)
　　. Additional EEPROM Memory for Code Storage
　　– Three OTP Areas, 144 Bits Total
　　– 64-bit Code-protected Zone
　　. Security Features
　　– Stores and Validates Security Codes
　　– Maximum of Four Incorrect Security Code Attempts
　　– Provides Security Code Protection During Transportation
　　. High Reliability
　　– Endurance: 100,000 Cycles
　　– Data Retention: 10 Years
　　– ESD Protection: 4,000V Minimum
　　. Manufactured Using Low-power CMOS Technology
    . ISO 7816-compliant Card Modules
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