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參數(shù)資料
| 型號(hào)： | IZ4436 |
| 廠(chǎng)商： | Electronic Theatre Controls, Inc. |
| 元件分類(lèi)： | 通用總線(xiàn)功能 |
| 英文描述： | Intelligent 221-Bit EEPROM Counter for > 20000 Units with Security Logic and High Security Authentication |
| 中文描述： | 智能221位的EEPROM計(jì)數(shù)器與安全邏輯和高級(jí)安全認(rèn)證“20000單位 |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大?。?/td> | 26K |
| 代理商： | IZ4436 |
IZ4436
Intelligent 221-Bit EEPROM Counter
for > 20000 Units with Security Logic
and High Security Authentication
Features
!
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 10
5
write / erase cycles per bit
!
Data retention for minimum of 10 years
221 bit EEPROM and 16 bit mask-programmable ROM
Pin Definitions and Functions
Parameter
Symbol
Test Condition
C1
VCC
Supply voltage
C2
RST
Control input (reset)
C3
CLC
Clock input
C5
GND
Ground
C6
N.C.
Not connected
C7
I/O
Bidirectional data line (open drain)
IZ4406 comes as an M3 wire-bonded module for embedding in plastic cards and as a die
for customer packaging.
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