Intelligent 256-Byte EEPROM with Write Protection Function and Programmable Security Code (PSC)

 

Memory Overview SLE 554242

Package Outlines Wire-Bonded Module M3
 

Features:

100% functional compatibility to SLE 4442.

 

256 x 8 bit EEPROM organization of Data Memory.
 

32 x 1 bit Protection Memory.
-Byte-wise write protection of first 32 addresses (byte 0…31) of Data Memory
-Manufacturer Code for unique identification of application

Data Memory (addresses 0.255) alterable only after verification of 3-Byte.

Programmable Security Code (PSC).

Two-wire link protocol.
-Byte-wise addressing
-End of processing indicated at data output

Contact configuration and Answer-to-Reset (synchronous transmission) in accordance to standard ISO/IEC 7816.
Sophisticated electrical characteristics.
-Ambient temperature .40 . +80°C for chip, .25 . +80°C for module
-Supply voltage 5 V ± 10 %
-Supply current < 3 mA (typical 600 µA)
-EEPROM erase / write time 5 ms
-ESD protection typical 4,000 V
-EEPROM Endurance minimum 100,000 erase / write cycles
-Data retention for minimum of 10 years

Advanced 1.2 µm CMOS-technology optimised for security layout.
-EEPROM-cells protected by shield
-Shielding of deeper layers via metal
-Sensory and logical security functions
-No isolation on backside necessary

Memory Organization
The memory is organized in a Data Memory of 256 byte.

Write Protection of Data Memory
Each of the first 32 bytes of the Data Memory can be irreversibly protected against data change by
writing the corresponding bit in the Protection Memory (32 bit). Dependent on the state of the
protection bit the Data Memory is read only (ROM) or may be erased and written again
(EEPROM). Change of the manufacturer code (Application ID and Chip Coding) is only possible by
the chip manufacturer.

Programmable Security Code
Change of data of the Data Memory and write a bit of the Protection Memory is only possible after
verification of the 3-Byte Programmable Security Code (PSC).

Chip Ordering and Packaging information

Table 1 Ordering Information
Type	Package	Remark	Ordering Code
SLE 5542 C	Die (on Wafer)	unsawn	on request
SLE 5542 D	Die (on Wafer)	sawn	on request
SLE 5542 M3	T-M3.2-6		on request
SLE 5542 MFC3	S-MFC3.1-6-1	FCoS	on request

Table 2 Pin Definitions and Functions
Card Contact	Symbol	Function
C1	VCC	Supply voltage
C2	RST	Control input (Reset Signal)
C3	CLK	Clock input
C5	GND	Ground
C6	N.C.	Not connected
C7	I/O	Bi-directional data line (open drain)

SLE 5532	Intelligent 256 Byte EEPROM with Write Protection Function	32-bit	256.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control
SLE 5542	Intelligent 256 Byte EEPROM with Write Protection Function and Programmable Security Code	32-bit	256.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control
SLE 5552	Intelligent 256 Byte EEPROM with Write & Read-Out Protection Function and Programmable Security Code	32-bit	256.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control
SLE 5518	Intelligent 1024 Byte EEPROM with Write Protection Function	1024-bit	1,024.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control
SLE 5528	Intelligent 1024 Byte EEPROM with Write Protection Function and Programmable Security Code	1024-bit	1,024.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control
SLE 5538	Intelligent 1024 Byte EEPROM with Write & Read-Out Protection Function + Programmable Security Code	1024-bit	1,024.0 Byte	Module M3.2, M4.8, MFC 3.1 (FCOS™), die	Healthcare and Health Insurance Card, Electronic Ticketing, Loyalty Card, Access Control