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SHC2232 2k Bits EEPROM Contact Encryption Chip


SHC2232 can be widely used in staff card, member card and ID card. The chip has 256 x8 bits EEPROM with 32 x1 bit organization of protection memory. It has two-wire link protocol and serial interface according to ISO 7816 standard.

Diagram


Features

1. 2k-bit (256×8) EEPROM
2. Byte-addressable
3. 32-bit address at least (0-31 bytes) irreversible byte-wise write protection
4. 32 X 1 bit protected memory architecture
5. Two-way communication protocol
6. The instruction processing ends when the data is output
7. The Answer to Reset meets the ISO7816-3 standard
8. The contact definition and the serial interface are in line with the ISO7816 standard (Synchronous transmission)
9. Operating voltage: 2.7~5.5V
10. Read and write times: Over 100 thousand times
11. Data hold time: Over 10 years
12. The rubbing and programming time of each byte are respectively 2.5m

SHC2242 2k Bits EEPROM Contact Encryption Chip

The SHC2242 2k bits EEPROM contact encryption chip is commonly used as ID card chips as well as the chip for health cards, membership cards, staff cards, e-shopping cards and more. As the name implies, the encryption chip has a 256-byte EEPROM, and 32 bytes of the EEPROM are endowed with write protection. Moreover, the IC card chip adopts programmable security code function (PSC) as well as two-wire communication protocol, while the contacts and serial interfaces are in accordance with ISO7816 standard.

Diagram


Features

1. 2k-bit EEPROM
2. Byte-wise addressing
3. Irreversible byte-wise write protection for 32 bytes (Byte 0-31)
4. 32×1-bit protected memory
5. The contact chip supports two-wire communication protocol
6. End of processing: Indicated at data output
7. Answer to reset: Conforming to ISO 7816-3
8. Contacts and serial interfaces of the encryption chip conform to ISO 7816 (synchronous transmission)
9. Operating voltage: 3.0V-5.0V
10. Erase/write endurance: Over 100 thousand times
11. Data retention time: Over 10 years
12. Erase/write time: 2.5ms per byte for each operation
13. Data change: Need entering the correct 3-byte programmable security code (PSC)

SHC2248 8k Bits EEPROM Contact Encryption Chip

The SHC2248 8k bits EEPROM contact encryption chip offers a great smart card chip solution for manufacturing of health cards, membership cards and more. It consists of a 1024×8-bit main EEPROM and a 1024×1 bit protected memory, while programmable security code (PSC) is also achieved.

Diagram


Features

1. 1024×8-bit EEPROM
2. Byte-wise addressing
3. This range of contact chip offers irreversible byte-wise write protection for every byte
4. 1024×1-bit protected memory
5. Three-wire serial bus
6. End of processing: Indicated at data output
7. Data retention time of the encryption chip is over 10 years
8. Erase/write endurance: Over 100 thousand times
9. Data change: Need entering the correct 2-byte programmable security code
10. Contacts and serial interfaces: Conforming to ISO7816 (synchronous transmission)
11. Operating voltage: 3.3V-5V
12. Operating current: 3mA

SHC1232 32k EEPROM Contact Social Security Card Chip

As indicated by its name, the SHC1232 32kB EEPROM contact social security card chip is mainly used in social security cards, and it is also a great encryption chip solution for financial applications and other purposes.

This social security card chip perfectly integrates different modules together, including 8-bit microprocessor, 512B IRAM, 6kB XRAM, 32kB EEPROM, 256kB ROM, timer/counter, DES/TDES coprocessor, SM1/SM3/SM7/SSF33 coprocessor, RSA/ECC/SM2 coprocessor, true random number generator, security control mechanism and many interfaces that are in accordance with ISO/IEC 7816-3 standard. Generally speaking, this social security card chip is a low power high performance contact chip, and it is highly recommended to serve as public service card chip, credit card chip, etc.



Features:

1. 8051 core based on CMOS technique
2. 512B IRAM, 6kB XRAM
3. 256kB mask ROM for programs
4.
32kB EEPROM for data and programs
5. DES/3DES symmetric algorithm
6. RSA Co-processor
7. SM1/SM3/SM7/SSF33 algorithm
8. Random number generator
9. Two 16-bit programmable timers/counters
10. ISO 7816 I/O interface


 
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