Datasheet > KKE4436

KKE4436

更新时间： 2024-02-22 17:49:00

品牌	Logo	应用领域
可天士 - KODENSHI		计数器可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
2页	181K
描述
Intelligent 221-Bit EEPROM Counter for > 20000 Units with Security Logic and High Security Authentication

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中文翻译

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KKE4436 数据手册

KKE4436

Intelligent 221-Bit EEPROM Counter for > 20000 Units with

Security Logic and High Security Authentication

Features

221 bit EEPROM and 16 bit mask-programmable ROM

104 bit user memory fully compatible with IZ4406:

• 64 bit Identification Area

• 40 bit Counter Area including 1 bit for personalization

• 133 bit additional memory for advanced features

• 4 bit Counter Backup (anti-tearing flags)

• 1 bit Initiation Flag for Authentication Key.2

• 16 bit Data Area 1 for free user access

• 48 bit Authentication Key.1

• either 64 bit Data Area 2 for user defined data or 48 bit Authentication Key.2

Counter with up to 33352 count units fully compatible with IZ4406

• Due to testing purposes a maximum of 21064 count units is guaranteed

Counter tearing protection

• Backup feature activated at choice

High security authentication module

• Random number as challenge

• Individual secret Authentication Key.1

• Optional individual secret Authentication Key.2

• Calculation of up to 16 bit response

• Calculation of a 16 bit response within 30 ms at a clock frequency of 100 kHz

Transport Code protection for delivery

Chip layout of security relevant areas protected against physical / electrical signal

analysis

Supply voltage 5 V ± 10%

Supply current < 5 mA

EEPROM programming time 5 ms

ESD protection 4000 V

Endurance minimum of 10⁵write / erase cycles per bit

Data retention for minimum of 10 years

Pin Definitions and Functions

Parameter

Symbol

VCC

RST

CLC

GND

N.C.

I/O

Test Condition

Supply voltage

Control input (reset)

Clock input

Ground

Not connected

Bidirectional data line (open drain)

IZE4406 comes as an M3 wire-bonded module for embedding in plastic cards and as a die

for customer packaging.

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