SLE 4432

SLE 4442

SLE 4440

SLE 4441

Semiconductor Group

4

Data Sheet Extension 09.98

Intelligent 64-Byte EEPROM with Write Protect Function

SLE 4440

and Programmable Security Code (PSC)

Intelligent 128-Byte EEPROM with Write Protect Function

SLE 4441

and Programmable Security Code (PSC)

• 64 x 8-bit EEPROM organization (SLE 4440)

• 128 x 8-bit EEPROM organization (SLE 4441)

• 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

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

Type

Ordering Code Package

SLE 4440 M3

on request

Wire-Bonded Module M3

SLE 4440 C

on request

Chip

SLE 4441 M3

on request

Wire-Bonded Module M3

SLE 4441 C

on request

Chip

M3