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PDF IZE4406 Data sheet ( Hoja de datos )
| Número de pieza | IZE4406 | |
| Descripción | Intelligent 104-Bit EEPROM Counter | |
| Fabricantes | Integral | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de IZE4406 (archivo pdf) en la parte inferior de esta página. Total 4 Páginas | ||
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IZE4406
Intelligent 104-Bit EEPROM Counter
for > 20000 Units with Security Logic
The chip contains an EEPROM/PROM of 88 bits, a mask ROM of 16 bits and a
sequencing control with security logic.
Memory (104 bits) is divided into the following functional areas
In the condition as supplied, the transport code and the error counter are activated. The
chip can only be read (except for the transport-code area) and only the error counter can
be written.
Following correct entry of the transport code, the entire memory can be read and areas II
and III can be written and EEPROM part of area III can be erased.
After the control flag has been written, everything is readable and only area III can be
programmed, but with the following changes:
- The transport code and the error counter are no longer activated.
- The area of the former transport code and the error counter can be erased byte by byte
with carry.
- The entire area III can be written bit by bit
NB: When the control flag is written, the counter stage below it (the error counter) can be
erased at the same time.
FEATURES
• 104 x 1 bit organization
• Three memory areas with special characteristics (eg ROM, PROM, EEPROM)
• Maximum of 20480 count units
• Special security features
• Minimum of 104 write/erase cycles
• Data retention for minimum of ten years
• Contact configuration and serial interface in accordance to ISO standard 7816-3
(synchronous transmission)
PIN DEFINITIONS AND FUNCTIONS
Card Contact Pad №
Symbol
C7 01 I/O
02 P
C3 03 CLC
C2 04 RST
C1 05 Vcc
C6 N.C.
C5 06 GND
Function
Bidirectional data line (open drain)
Code entry on “Input” only for transport
Test input
Clock input
Control input (reset)
Supply voltage
Not connected
Ground
IZ4406 comes as an M1 wire-bonded module for embedding in plastic cards and as a die
for customer packaging
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1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet IZE4406.PDF ] | |
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