INTEGRAL IZ4436 Datasheet
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
!
• 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
!
Supply current < 5 mA
!
EEPROM programming time 5 ms
!
ESD protection 4000 V
!
Endurance minimum of 10
!
Data retention for minimum of 10 years
!
authentication module
10%
±±±±
5
write / erase cycles per bit
IZ4436
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.
Electrical Characteristics
Absolute Maximum Ratings
Parameter Symbol Limit Values Unit Comments
Supply voltage
Input voltage
Storage temperature T
V
CC
V
stg
IZ4436
Min. Max.
-0.35
I
-0.35
-40 125
7.0
7.0
V
V
°
C
-
-
Power dissipation P
tot
40 mW -
ESD protection 4000 V
Operating range
Parameter Symbol Limit Values Unit Test
Min. Typ. Max.
Supply voltage V
Supply current I
Ambient temperature T
CC
CC
A
4.5 5.0 5.5 V
2.5 5.0
-35 80
DC Characteristics
Parameter Symbol Limit Values Unit Test
Min. Typ. Max.
H-Input voltage (I/O, CLC, RST) V
L-Input voltage (I/O,CLC,RST) V
L-output voltage V
H-leakage current I
IH
IL
OL
OH
3.5 - V
0-0.8V -
--0.5VI
--10
CC
Condition
mA
°
C
VCC=5 V
Condition
V-
=0.5mA
OL
(open drain)
µA
VOH = V
CC
(open drain)
AC Characteristics
Parameter Symbol Limit Values Unit Test
CLC H-level
(set address)
CLC L-level
(set address)
CLC H-level (write) t
t
t
H
t
L
HW
HW
Min. Typ. Max.
5-5--
µs
µs
5--ms
3--ms
Condition
-
-
≥4.5 V
V
CC
5V≤V
CC
≤5/5V
Loading...