SLE 4432

SLE 4442

SLE 4440

SLE 4441

Semiconductor Group

3

Data Sheet Extension 09.98

Intelligent 256-Byte EEPROM with Write Protect Function

SLE 4432

Intelligent 256-Byte EEPROM with Write Protect Function

SLE 4442

and Programmable Security Code (PSC)

Features

• 256 x 8-bit EEPROM organization

• Byte-wise addressing

• Irreversible byte-wise protection of lowest 32 addresses

(Byte 0...31)

• 32 x 1-bit organization of protection memory

• Two-wire link protocol

• End of processing indicated at data output

• Ambient temperature T

• Supply voltage 5 V −5 / +10 %

• Supply current < 10 mA

• EEPROM programming time 5 ms

• ESD protection typical 4000 V

•

•

Contact configuration and Answer-to-Reset (synchronous transmission) in accordance

to ISO standard 7816

Additional Feature of SLE 4442

• Data can only be changed after entry of the correct 3-byte programmable security code

Type

Ordering Code Package

SLE 4432 M3

on request

Wire-Bonded Module M3

SLE 4432 C

on request

Chip

SLE 4442 M3

on request

Wire-Bonded Module M3

SLE 4442 C

on request

Chip

M3