ETC IZ4436 Intelligent 221-bit eeprom counter for > 20000 units with security logic and high security authentication Datasheet

IZ4436
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 105 write / erase cycles per bit
!
Data retention for minimum of 10 years
!
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.
IZ4436
Electrical Characteristics
Absolute Maximum Ratings
Parameter
Symbol
Supply voltage
Input voltage
Storage temperature
VCC
VI
Tstg
Power dissipation
Ptot
Limit Values
Min.
Max.
Unit
Comments
7.0
7.0
125
V
V
°C
-
40
mW
-
4000
V
-0.35
-0.35
-40
ESD protection
Operating range
Parameter
Symbol
Supply voltage
VCC
Supply current
ICC
Ambient temperature
TA
Limit Values
Unit
Min.
Typ.
Max.
4.5
5.0
5.5
V
2.5
5.0
mA
80
°C
-35
Test
Condition
VCC=5 V
DC Characteristics
Parameter
Symbol
Limit Values
H-Input voltage (I/O, CLC, RST)
L-Input voltage (I/O,CLC,RST)
L-output voltage
VIH
VIL
VOL
Min.
3.5
0
-
H-leakage current
IOH
-
Unit
Test
Condition
IOL =0.5mA
(open drain)
VOH = VCC
(open drain)
Typ.
-
Max.
VCC
0.8
0.5
V
V
V
-
10
µA
AC Characteristics
Parameter
CLC H-level
(set address)
CLC L-level
(set address)
CLC H-level (write)
Symbol
Limit Values
Unit
Test
Condition
tH
Min.
5
Typ.
-
Max.
-
µs
-
tL
5
-
-
µs
-
tHW
tHW
5
3
-
-
ms
ms
VCC ≥4.5 V
5V≤VCC ≤5/5V
Similar pages